Door row assembly and airborne landing door

Abstract

The utility model discloses a door row assembly and an airborne door. The door row assembly comprises a surface beam, a door frame and a door frame, the bottom beam is arranged opposite to the surface beam; the vertical rod group is arranged between the surface beam and the bottom beam, the vertical rod group comprises a plurality of vertical rods which are arranged at intervals in the length direction of the bottom beam, the vertical rods are arranged in at least three rows in the width direction of the bottom beam, the vertical rods are distributed in a staggered mode in the length direction and the width direction of the bottom beam, and the two ends of each vertical rod are rotationally connected with the surface beam and the bottom beam respectively; and the protection structure is arranged at the bottom of the door row assembly. According to the door row assembly, safety accidents can be avoided while the anti-theft effect is improved, meanwhile, it can be guaranteed that the door row assembly occupies a small space after being lifted, interference between every two adjacent vertical rods in the same row is avoided when the door row assembly is lifted, and therefore the small space occupied when an airborne door is opened can be achieved; the door closing of the airborne landing door has a good anti-theft effect; meanwhile, the protection structure can be used for preventing pedestrians, vehicles and the like from being injured when the door row assembly descends.

Description

Technical Field

[0001] This utility model relates to the field of electric door technology, and in particular to a door panel assembly and an air-drop door. Background Technology

[0002] Airlock gates are widely used at highway toll stations, parking lots, residential communities, and enterprise entrances to facilitate the orderly management of vehicle access. They can also be heightened for use at villa and courtyard entrances for security purposes. An airlock gate consists of a housing and a gate assembly. The gate assembly includes a front beam and a bottom beam positioned opposite each other, along with several vertical bars positioned between them. The ends of the vertical bars are rotatably connected to the front and bottom beams. A drive mechanism within the housing raises and lowers the gate assembly. When the gate assembly rises, the front and bottom beams rotate relative to each other, causing the vertical bars to tilt. When the gate assembly lowers, the front and bottom beams rotate relative to each other, causing the vertical bars to be perpendicular to the front and bottom beams. Thus, the airlock gate opens by raising the gate assembly, which then folds back into the housing. The gate closes by lowering the gate assembly, which then lays horizontally on the ground.

[0003] In traditional drop gate structures, several vertical bars are arranged in a straight line at intervals. To ensure that adjacent vertical bars do not interfere with each other when the gate assembly is raised, the spacing between adjacent vertical bars needs to be designed to be relatively large, which results in the gate assembly occupying a large space after it is raised. To address this shortcoming, existing drop gates use a staggered arrangement of several vertical bars in two rows to reduce the spacing between adjacent vertical bars. This results in a smaller space occupied by the gate assembly after it is raised, and prevents interference between adjacent vertical bars when the gate assembly is raised.

[0004] Although the two-row vertical bar structure of the airlock reduces the space occupied by the gate assembly after it is raised compared to the straight vertical bar structure, it still has the following drawbacks: In order to avoid interference between two adjacent vertical bars in the same row when the gate assembly is raised, a large gap still needs to be maintained between the two adjacent vertical bars. This results in the gate assembly still occupying a relatively large space after it is raised. At the same time, the large gap between two adjacent vertical bars makes it easy for people to squeeze through with their heads, bodies, or other body parts. This not only results in poor anti-theft performance, but also means that if people are not evacuated in time when the gate assembly is raised, they may get stuck and cause a safety accident. Utility Model Content

[0005] In order to overcome at least one of the defects of the prior art, one of the objectives of this utility model is to provide a gate assembly that can significantly reduce the distance between two adjacent vertical bars to prevent people's heads, bodies, or other parts from crawling in. This improves the anti-theft effect and avoids safety accidents. At the same time, it ensures that the gate assembly occupies less space when raised and avoids interference between two adjacent vertical bars in the same row when the gate assembly is raised.

[0006] The second objective of this utility model is to provide an air-drop door that, when the door assembly is raised by a chassis, folds up and has a small volume, thus enabling the air-drop door to occupy less space when opening and to have a good anti-theft effect when closing.

[0007] One of the objectives of this utility model is achieved through the following technical solution:

[0008] A gate assembly, comprising:

[0009] Facing beam;

[0010] The bottom beam is positioned opposite the top beam.

[0011] A vertical member assembly is provided between the top beam and the bottom beam. The vertical member assembly includes a number of vertical members spaced apart along the length of the bottom beam. The number of vertical members are arranged in at least three rows along the width of the bottom beam, and the number of vertical members are staggered along both the length and width of the bottom beam. The two ends of the vertical members are rotatably connected to the top beam and the bottom beam, respectively.

[0012] The protective structure is located at the bottom of the gate assembly.

[0013] In a preferred embodiment, at least three rows of vertical bars are arranged at equal intervals along the width direction of the bottom beam, and the vertical bars in each row are arranged at equal intervals along the length direction of the bottom beam.

[0014] In a preferred embodiment, both the top beam and the bottom beam are provided with several mounting seats, and the two ends of the vertical rod are rotatably connected to the corresponding mounting seats through connecting blocks.

[0015] In a preferred embodiment, the connecting block includes a plug-in block that engages with the vertical rod, and a mating block that is detachably connected to the plug-in block and disposed opposite to it. The plug-in block and the mating block are respectively disposed on both sides of the mounting base and rotatably connected to the mounting base.

[0016] In a preferred embodiment, the mounting base is provided with a mounting hole, and the plug block and the mating block are respectively provided with a connecting shaft that rotates with the mounting hole. The two connecting shafts are arranged opposite to each other. The plug block and the mating block are respectively provided with a through hole coaxially arranged with their corresponding connecting shaft. The two connecting shafts arranged opposite to each other are connected by fasteners that pass through them axially. Both through holes contain a matching sealing element.

[0017] In a preferred embodiment, the bottom of the top beam and the top of the bottom beam are respectively provided with a first receiving groove and a second receiving groove along their length direction. A plurality of mounting seats can be slidably disposed in the corresponding first receiving groove or second receiving groove and abut against each other in sequence along the length direction of the top beam or the bottom beam.

[0018] In a preferred embodiment, the mounting base includes a base slidably connected to a first receiving groove or a second receiving groove, and a connecting ear connected to the base, wherein the connecting ear is rotatably connected to a corresponding vertical rod;

[0019] The structure of the row of connecting ears corresponding to the row of vertical bars is the same, and the row of connecting ears is spaced apart from the adjacent row of connecting ears.

[0020] In a preferred embodiment, at least one side wall of the base in the width direction is provided with a locking block protruding outward, at least one side wall of the first receiving groove is bent inward to form a first locking groove that slides with the corresponding locking block, and at least one side wall of the second receiving groove is bent inward to form a second locking groove that slides with the corresponding locking block.

[0021] In a preferred embodiment, a plurality of vertical rods are arranged in three rows along the width direction of the bottom beam, namely a first vertical rod group, a second vertical rod group, and a third vertical rod group. The two ends of the vertical rods in the second vertical rod group are rotatably connected to the bottom of the top beam and the top of the bottom beam, respectively. The top ends of the vertical rods in the first and third vertical rod groups are rotatably connected to the two sides of the top beam in the width direction, respectively. The bottom ends of the vertical rods in the first and third vertical rod groups are rotatably connected to the two sides of the bottom beam in the width direction, respectively.

[0022] The connecting ear corresponding to the first vertical rod group is located on one side of the corresponding base, the connecting ear corresponding to the second vertical rod group is located on the corresponding base, and the connecting ear corresponding to the third vertical rod group is located on the other side of the corresponding base.

[0023] In a preferred embodiment, the top beam and the bottom beam are provided with a first fixing groove and a second fixing groove on both sides of their width direction and along their length direction, respectively. The connecting lugs on the side of the base are provided with a fixing part on the side facing the base. The fixing part is adapted to and slidably disposed in the corresponding first fixing groove or second fixing groove.

[0024] In a preferred embodiment, a fixing strip is provided between two adjacent connecting ears on the side of the base, and the fixing strip is adapted to and slidably disposed in the corresponding first fixing groove or second fixing groove.

[0025] The second objective of this utility model is achieved by the following technical solution: an air-dropping door, comprising: a housing and the aforementioned door assembly, wherein the housing is provided with a drive mechanism connected to the door assembly, and the drive mechanism is capable of driving the door assembly to rotate and rise or fall in a vertical plane.

[0026] The gate assembly and air-drop gate provided by this utility model have the following technical effects:

[0027] 1. The door panel assembly has at least three rows of vertical bars along its width, and several vertical bars in these three rows are staggered along both the length and width of the base beam. This reduces the spacing between adjacent vertical bars in the entire assembly while ensuring sufficient spacing between adjacent vertical bars in the same row. This avoids interference between adjacent vertical bars in the same row when the door panel assembly is raised, allowing for smooth raising and lowering of the assembly. Thus, when the door panel assembly is raised, there is no significant gap between adjacent vertical bars in the same row, resulting in a smaller space occupation. Furthermore, the high vertical bar density and small spacing between adjacent vertical bars prevent people's heads or bodies from squeezing through, achieving anti-theft protection when the door panel assembly is lowered. It also prevents people from getting stuck when the door panel assembly is raised, ensuring the safety of both the door panel assembly and personal safety.

[0028] 2. The airlock door uses a drive mechanism inside the chassis to raise or lower the door panel assembly. When raised, the door panel assembly is relatively small, resulting in a smaller space occupied when the airlock door is open. When the airlock door is closed, the door panel assembly is laid horizontally on the ground with a high density of vertical bars, preventing people from passing through, thus achieving the purpose of theft prevention and ensuring the safety of the airlock door and personal safety.

[0029] 3. The bottom of the gate assembly has a protective structure with elastic cushioning. When the gate assembly is descending, if pedestrians or vehicles pass by, the protective structure will make contact with them first to prevent the gate assembly from injuring them, thus protecting them. Attached Figure Description

[0030] Figure 1 This is a structural diagram of the air-dropped door in the closed state of this utility model;

[0031] Figure 2 This is a structural schematic diagram of the gate assembly of this utility model;

[0032] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0033] Figure 4 This is a side sectional view of the gate assembly of this utility model;

[0034] Figure 5 This is an exploded view of the vertical rod and mounting base of this utility model;

[0035] Figure 6 Exploded view of the bottom beam and mounting base of this utility model;

[0036] Figure 7 This is a side sectional view of the bottom beam and mounting base of this utility model;

[0037] Figure 8This is an exploded view of the face beam and mounting base of this utility model;

[0038] Figure 9 This is a side sectional view of the face beam and mounting base of this utility model;

[0039] Figure 10 This is a schematic diagram of the structure of the buffer rod assembly of this utility model;

[0040] Figure 11 This is a structural schematic diagram of the air-dropped door of this utility model in the open state.

[0041] Figure 12 for Figure 11 Enlarged view of section B in the middle.

[0042] The meanings of the reference numerals in the attached figures are as follows:

[0043] 1. Top beam; 11. First receiving groove; 111. First slot; 12. First fixing groove; 121. First recess; 13. First bushing; 2. Bottom beam; 21. Second receiving groove; 211. Second slot; 22. Second fixing groove; 221. Second recess; 23. Slot; 24. Second bushing; 3. Vertical rod assembly; 301. First vertical rod assembly; 302. Second vertical rod assembly; 303. Third vertical rod assembly; 31. Vertical rod; 32. Fastener; 33. Sealing component; 34. 1. Connecting block; 341. Insertion block; 342. Butt joint block; 343. Connecting shaft; 344. Through hole; 4. Mounting base; 41. Mounting hole; 42. Base; 421. Locking block; 43. Connecting ear; 431. Fixing part; 432. First protrusion; 5. Fixing strip; 51. Second protrusion; 6. Buffer tube; 61. Insertion part; 7. Buffer rod assembly; 71. Fixing rod; 72. Fixing shaft; 73. Support rod; 74. Buffer pad; 75. Fixing sleeve; 8. Chassis. Detailed Implementation

[0044] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0045] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0047] See Figure 2-4 This utility model provides a door panel assembly, including a top beam 1, a bottom beam 2, and a vertical rod group 3, with the bottom beam 2 and the top beam 1 arranged opposite to each other. The vertical rod group 3 is located between the top beam 1 and the bottom beam 2, and includes a plurality of vertical rods 31 spaced apart along the length direction of the bottom beam 2. The plurality of vertical rods 31 are arranged in at least three rows along the width direction of the bottom beam 2, and the plurality of vertical rods 31 are staggered along both the length and width directions of the bottom beam 2. The two ends of the vertical rods 31 are rotatably connected to the top beam 1 and the bottom beam 2, respectively.

[0048] Generally, the top beam 1 and bottom beam 2 are arranged parallel to each other. When the gate assembly is lowered to the ground, both the top beam 1 and bottom beam 2 are horizontal, serving to support and connect the vertical rod assembly 3. Several vertical rods 31 in the vertical rod assembly 3 are rotatably connected to the top beam 1 and bottom beam 2, allowing for free switching between inclined and vertical states during the raising and lowering of the gate assembly. When the gate assembly is lowered to the ground, the vertical rods 31 in the vertical rod assembly 3 are generally vertical and perpendicular to the top beam 1 and bottom beam 2. The spacing between the vertical rods 31 ensures that when the gate assembly is raised and the vertical rods 31 become inclined, there will be no interference between adjacent vertical rods 31, guaranteeing the smooth raising and lowering of the gate assembly.

[0049] by Figure 2 The x-direction is the length direction, and the y-direction is the width direction. To avoid interference when the gate assembly is raised, a sufficiently large gap must be maintained between adjacent vertical bars 31 in the same row along the length direction. However, for safety reasons, the gate assembly should prevent people from accidentally inserting their heads or other body parts into the gap between adjacent vertical bars 31, to avoid accidents such as being hoisted up if they are not cleared in time when the gate assembly is raised. Furthermore, for the security needs of villas, courtyards, etc., the gate assembly should prevent people from passing through the gap between adjacent vertical bars 31. At the same time, after the gate assembly is raised, it should not excessively occupy the space of the doorway passage to avoid obstructing the passage of people or vehicles or even causing collisions. Based on these requirements, the gap between any two adjacent vertical bars 31 in the vertical bar group 3 of the gate assembly should be kept as small as possible, and the space occupied by the gate assembly after it is raised should be minimized.

[0050] To address the aforementioned interference issues, the need for small spacing, and the requirement to occupy minimal space, combined with Figure 11 and Figure 12The vertical rod group 3 of this utility model has at least three rows along the width direction, and the vertical rods 31 of the at least three rows of vertical rod groups 3 are staggered along the length and width directions of the bottom beam. This reduces the distance between any two adjacent vertical rods 31 in the entire vertical rod group 3, while ensuring sufficient distance between two adjacent vertical rods 31 in the same row. This avoids interference between two adjacent vertical rods 31 in the same row when the door panel is raised, allowing the door panel to rise and fall smoothly. Furthermore, after the door panel is raised, there is no obvious gap between two adjacent vertical rods 31 in the same row, occupying less space. The door panel has a high density of vertical rods 31, and the small distance between adjacent vertical rods 31 prevents people's heads or bodies from getting stuck, achieving the purpose of theft prevention after the door panel is lowered. It also prevents people's bodies from getting stuck when the door panel is raised, ensuring the safety of the door panel and personal safety.

[0051] Specifically, at least three rows of vertical bars 31 are arranged at equal intervals along the width direction of the bottom beam 2, and the vertical bars 31 in each row are also arranged at equal intervals along the length direction of the bottom beam 2. The at least three rows of vertical bars 31 are arranged regularly, always following the same order along the length direction, and adjacent vertical bars 31 are spaced at equal intervals, ensuring a uniform distribution of the at least three rows of vertical bars 31. This arrangement ensures that the spacing between any two adjacent vertical bars 31 is small enough to guarantee safety and occupies minimal space after the door assembly is raised, while also ensuring sufficient spacing between adjacent vertical bars 31 within the same row to avoid interference. Figure 1 , Figure 11 and Figure 12 In this invention, the vertical bar group 3 is arranged in at least three rows along the width direction. When the gate assembly is lowered to the ground, there is a small gap between adjacent vertical bars 31, which can prevent personnel from crawling in and ensure safety. After the gate assembly is raised, there is almost no gap between adjacent vertical bars 31 in the same row, and the bottom beam 2 of the gate assembly is almost flush with the side wall of the housing 8. The space occupied by the folded gate assembly is very small, ensuring smooth passage of personnel and vehicles and avoiding collisions.

[0052] See Figure 3 and Figure 5 Both the top beam 1 and the bottom beam 2 are equipped with several mounting seats 4. The two ends of the vertical rod 31 are rotatably connected to the corresponding mounting seats 4 via connecting blocks 34. The mounting seats 4 can be fixed to the corresponding top beam 1 and bottom beam 2 as an integral structure, or they can be detachably installed on the top beam 1 and bottom beam 2. A detachable installation structure is preferred, as the installation position can be adjusted according to needs, offering strong applicability. The connecting blocks 34 are fixedly connected to the vertical rod 31, and the connecting blocks 34 are rotatably connected to the mounting seats 4. This allows the vertical rod 31 to rotate relative to the top beam 1 and bottom beam 2.

[0053] The connecting block 34 includes a plug-in block 341 that engages with the vertical rod 31, and a mating block 342 that is detachably connected to the plug-in block 341 and disposed opposite to it. The plug-in block 341 and the mating block 342 are respectively disposed on both sides of the mounting base 4 and rotatably connected to the mounting base 4. The two ends of the vertical rod 31 are hollow structures. The plug-in block 341 is inserted into the end of the vertical rod 31. The mating block 342 is disposed opposite to the plug-in block 341 and detachably connected. When the plug-in block 341 and the mating block 342 are rotatably connected to the opposite sides of the mounting base 4, the plug-in block 341 and the mating block 342 are connected in a fixed structure, thereby realizing the rotatable connection of the vertical rod 31 to the mounting base 4 by using the connecting block 34.

[0054] Mounting base 4 is provided with mounting holes 41. Insertion block 341 and mating block 342 are respectively provided with connecting shafts 343 that rotatably engage with mounting holes 41. The two connecting shafts 343 are arranged opposite to each other. Insertion block 341 and mating block 342 are respectively provided with through holes 344 coaxially arranged with their corresponding connecting shafts 343. The two oppositely arranged connecting shafts 343 are connected by fasteners 32 that pass through them axially. Each of the two through holes 344 contains a matching sealing element 33. During installation, insertion block 341 is inserted into the end of vertical rod 31. Insertion block 341 and mating block 342 are respectively placed on opposite sides of mounting base 4 so that the two connecting shafts 343 are rotatably inserted into mounting holes 41 and passed into the two connecting shafts 343 along the axis from one through hole 344 via fasteners 32, so that the two connecting shafts 343 are connected by fasteners 32 to prevent the two connecting shafts 343 from coming out of mounting holes 41. After the fasteners 32 lock the two connecting shafts 343 together, the two through holes 344 are sealed with the sealing piece 33 to achieve an aesthetic effect. In this way, the present invention achieves a stable and rotatable installation of the vertical rod 31 and the mounting base 4 by inserting the connecting shafts 343 of the plug block 341 and the mating block 342 into the mounting hole 41 and connecting the two connecting shafts 343 with the fasteners 32.

[0055] Among them, the fastener 32 can be a screw, pin or other connecting part, and the sealing part 33 can be a rubber plug or other structure. Of course, in practical applications, a through hole structure can also be opened at the end of the vertical rod 31, and a shaft structure can be set in the mounting base 4, so as to realize the rotational connection of the vertical rod 31 relative to the mounting base 4 by using the rotational connection between the shaft and the through hole.

[0056] For the detachable connection structure between mounting base 4 and top beam 1 and bottom beam 2, please refer to... Figure 6-9The bottom of the top beam 1 and the top of the bottom beam 2 are respectively provided with a first receiving groove 11 and a second receiving groove 21 along their length direction. Several mounting seats 4 can be slidably disposed in the corresponding first receiving groove 11 or second receiving groove 21, and abut against each other sequentially along the length direction of the top beam 1 or the bottom beam 2. The mounting seats 4 are installed at the bottom of the top beam 1 and the top of the bottom beam 2 to facilitate the abutment of several mounting seats 4 and avoid sliding relative to the first receiving groove 11 or the second receiving groove 21, so as to ensure the accuracy of the installation position of the vertical rod 31.

[0057] The mounting base 4 includes a base 42 slidably connected to the first receiving groove 11 or the second receiving groove 21, and connecting ears 43 connected to the base 42. The connecting ears 43 are rotatably connected to the corresponding vertical rods 31. The structure of the row of connecting ears 43 corresponding to a row of vertical rods 31 is identical, and the row of connecting ears 43 is spaced apart from the adjacent row of connecting ears 43. The base 42 is slidably disposed in the first receiving groove 11 or the second receiving groove 21. The connecting ears 43 are disposed on the base 42 and have mounting holes 41. The two connecting shafts 343 of the insertion block 341 and the mating block 342 are rotatably inserted into the mounting holes 41 from opposite sides of the connecting ears 43 to achieve a rotatable connection between the vertical rods 31 and the mounting base 4. The identical structure of the row of connecting ears 43 facilitates installation without the need for special selection of installation positions. The spaced-apart arrangement of adjacent rows of connecting ears 43 provides sufficient space for the rotation and folding of the vertical rods 31, avoiding interference.

[0058] At least one side wall of the base 42 protrudes outward with a locking block 421. At least one side wall of the first receiving groove 11 is bent inward to form a first locking groove 111 that slides with the corresponding locking block 421. At least one side wall of the second receiving groove 21 is bent inward to form a second locking groove 211 that slides with the corresponding locking block 421. The first receiving groove 11 and the second receiving groove 21 can each have one side wall bent inward to form a first locking groove 111 and a second locking groove 211, respectively. At this time, a locking block 421 protrudes on the same side of the base 42. The locking block 421 is slidably disposed in the corresponding first locking groove 111 or second locking groove 211, which can both enable the base 42 to slide to the installation position and prevent the base 42 from falling out of the corresponding first receiving groove 11 or second receiving groove 21, thereby ensuring the stable installation of the mounting base 4 with the corresponding face beam 1 or bottom beam 2. Of course, the first receiving groove 11 and the second receiving groove 21 can also have both sides bent inward to form two first slots 111 and two second slots 211 respectively. In this case, the base 42 can have a block 421 protruding from either side wall, or both sides can have blocks 421.

[0059] Based on the above structure, the vertical rods 31 can be arranged in three, four, five, or more rows along the width direction. The more rows there are, the smaller the spacing between two adjacent vertical rods 31 can be, that is, the greater the density of the vertical rods 31. This not only further improves the safety of use, but also ensures that the spacing between two adjacent vertical rods 31 in the same row is sufficient to avoid interference. At the same time, it can occupy less space after the gate assembly is raised. Generally, three rows of vertical rods 31 along the width direction are sufficient to meet all the above requirements. Although more rows have the above advantages, they will increase the width of the face beam 1 and the bottom beam 2, as well as the number of vertical rods 31, thus significantly increasing the weight of the entire gate assembly and the power consumption of the gate assembly's lifting and lowering. Therefore, preferably, the vertical rods 31 are arranged in three rows along the width direction. The following is a detailed description of the three-row structure of the vertical rods 31 with reference to the accompanying drawings. In practical applications, the vertical rods 31 can be arranged in four, five, or other rows, which can be adjusted according to the following structural adaptability, and will not be specifically described here.

[0060] See Figure 2-5 Several vertical rods 31 are arranged in three rows along the width direction of the bottom beam 2, namely the first vertical rod group 301, the second vertical rod group 302, and the third vertical rod group 303. The two ends of the vertical rods 31 of the second vertical rod group 302 are rotatably connected to the bottom of the face beam 1 and the top of the bottom beam 2, respectively. The top ends of the vertical rods 31 of the first vertical rod group 301 and the third vertical rod group 303 are rotatably connected to the two sides of the face beam 1 in the width direction, respectively. The bottom ends of the vertical rods 31 of the first vertical rod group 301 and the third vertical rod group 303 are rotatably connected to the two sides of the bottom beam 2 in the width direction, respectively. The connecting ears 43 corresponding to the first vertical rod group 301 are provided on one side of the corresponding base 42, the connecting ears 43 corresponding to the second vertical rod group 302 are provided on the corresponding base 42, and the connecting ears 43 corresponding to the third vertical rod group 303 are provided on the other side of the corresponding base 42.

[0061] Typically, the two ends of the vertical rods 31 in the first vertical rod group 301, the second vertical rod group 302, and the third vertical rod group 303 are rotatably connected to the bottom of the face beam 1 and the top of the bottom beam 2, respectively. However, this increases the width of the face beam 1 and the bottom beam 2, thereby increasing their weight, cost, and drive power consumption. (See reference...) Figure 3In this invention, the two ends of the vertical rod 31 of the second vertical rod group 302 are rotatably connected to the bottom of the face beam 1 and the top of the bottom beam 2, respectively. The top ends of the vertical rods 31 of the first vertical rod group 301 and the third vertical rod group 303 are rotatably connected to the two sides of the face beam 1 in the width direction, respectively. The bottom ends of the vertical rods 31 of the first vertical rod group 301 and the third vertical rod group 303 are rotatably connected to the two sides of the bottom beam 2 in the width direction, respectively. Thus, the two ends of the second vertical rod group 302 located in the middle are respectively installed at the bottom of the face beam 1 and the top of the bottom beam 2, while the first vertical rod groups 301 and the third vertical rod groups 303 located on both sides are installed on the sides of the face beam 1 and the bottom beam 2. This fully utilizes the space on the sides of the face beam 1 and the bottom beam 2 to install the first vertical rod groups 301 and the third vertical rod groups 303, thereby reducing the width of the face beam 1 and the bottom beam 2, and thus reducing the weight of the gate assembly and the power consumption of the drive.

[0062] Of course, when there are four rows of vertical bars 31 along the width direction, the two middle sets can be installed at the bottom of the face beam 1 and the top of the bottom beam 2. The same applies when there are five or more rows. However, this will increase the width of the face beam 1 and the bottom beam 2. Therefore, it is preferable to have three rows of vertical bars 31 along the width direction, which ensures that one row is installed on both sides and in the middle of the face beam 1 and the bottom beam 2. This can achieve the effects of avoiding interference, occupying little space, and having good safety of this utility model, and also ensure that the gate assembly has a small weight, so as to reduce cost and driving power consumption.

[0063] The first vertical rod assembly 301 and the second vertical rod assembly 302 are installed on the sides of the top beam 1 and the bottom beam 2, respectively, and connected to the corresponding sides of the base 42 by connecting lugs 43. Figure 6-9 The top beam 1 and the bottom beam 2 have a first fixing groove 12 and a second fixing groove 22 respectively on both sides along their length in the width direction. A fixing part 431 is provided on the side of the connecting ear 43 on the side of the base 42 facing the base 42. The fixing part 431 is adapted to and slidably disposed in the corresponding first fixing groove 12 or second fixing groove 22. The arrangement of the fixing part 431 with the first fixing groove 12 and the second fixing groove 22 can assist the smooth sliding of the connecting ear 43 on the side of the base 42, so as to avoid interference between the side wall connecting ears 43 of the top beam 1 and the bottom beam 2, thereby ensuring that the base 42 and its side connecting ears 43 can slide smoothly to the installation position.

[0064] A fixing strip 5 is provided between two adjacent connecting ears 43 on the side of the base 42. The fixing strip 5 is adapted to and slidably disposed in the corresponding first fixing groove 12 or second fixing groove 22. The fixing strip 5 is disposed between the fixing parts 431 of two adjacent connecting ears 43 on the same side, so that the fixing parts 431 and the fixing strip 5 are abutted in the corresponding first fixing groove 12 or second fixing groove 22 along the length direction, which can ensure the stability of the fixing parts 431 after sliding to the installation position and avoid shaking or displacement, so that the base 42 and the connecting ears 43 on its side can be stably installed.

[0065] At least one side wall of the first fixing groove 12 and the second fixing groove 22 is bent inward to form the first groove 121 and the second groove 221 respectively. At least one side wall of the fixing part 431 and the fixing strip 5 protrudes towards their corresponding first groove 121 or second groove 221 to form the first protrusion 432 and the second protrusion 51 respectively. The first protrusion 432 and the second protrusion 51 are adapted and slidably disposed in the corresponding first groove 121 or second groove 221. The first fixing groove 12 and the second fixing groove 22 can both have one side wall bent inward to form a first groove 121 and a second groove 221 respectively. At this time, the fixing part 431 and the fixing strip 5 are respectively provided with a first protrusion 432 and a second protrusion 51 on the same side. By using the first protrusion 432 and the second protrusion 51 to be slidably provided in the corresponding first groove 121 or second groove 221, it is possible to slide the connecting ear 43 and the fixing strip 5 provided on the side of the base 42 to the installation position, and also to prevent the fixing part 431 and the fixing strip 5 from coming out of the corresponding first fixing groove 12 or second fixing groove 22, thereby ensuring the stable installation of the connecting ear 43 and the fixing strip 5 provided on the side of the base 42 with the corresponding face beam 1 or bottom beam 2. Of course, the first fixing groove 12 and the second fixing groove 22 can also be bent inward on both sides to form two first grooves 121 and two second grooves 221 respectively. At this time, the fixing part 431 and the fixing strip 5 can be protruded on either side to form a first protrusion 432 and a second protrusion 51 respectively, or the first protrusion 432 and the second protrusion 51 can be formed on both sides.

[0066] In addition, see Figure 1 and Figure 2 The gate assembly of this utility model is also provided with a protective structure and a buffer structure. The protective structure is located at the bottom of the gate assembly to prevent pedestrians, vehicles, etc. from being injured when the gate assembly is lowered. The buffer structure is located on the side of the gate assembly to buffer and reduce shock when the gate assembly is lowered to the ground, thereby reducing damage to the bottom beam 2.

[0067] Specifically, see Figure 6 and Figure 7 The protective structure includes a buffer tube 6, which is detachably mounted on the bottom of the base beam 2. The two outer walls of the buffer tube 6 extend upwards in the width direction to form insertion portions 61. A matching slot 23 is provided at the bottom of the base beam 2 corresponding to the insertion portions 61, thereby achieving a stable and detachable connection between the buffer tube 6 and the base beam 2 through the insertion connection between the insertion portions 61 and the slots 23. The buffer tube 6 can be a rubber tube. Thus, when the gate assembly descends, if a pedestrian or vehicle passes by, the buffer tube 6 will first contact the pedestrian or vehicle, thereby utilizing the elastic cushioning effect of the buffer tube 6 to prevent the gate assembly from injuring pedestrians or vehicles, thus achieving the purpose of protecting pedestrians and vehicles.

[0068] See Figure 2 and Figure 10 The buffer structure includes a buffer rod assembly 7, which includes two fixed rods 71 ​​located at the end of the gate assembly away from the chassis 8. The two fixed rods 71 ​​are respectively located on both sides of the gate assembly in the width direction. The top and bottom ends of the two fixed rods 71 ​​are connected by a fixed shaft 72. The face beam 1 and the bottom beam 2 are respectively provided with a first bushing 13 and a second bushing 24 adapted to the fixed shaft 72 in the width direction. The fixed shaft 72 at the top end can rotatably pass through the first bushing 13 to fix the top end of the two fixed rods 71, and the fixed shaft 72 at the bottom end can rotatably pass through the second bushing 24 to fix the bottom end of the two fixed rods 71, thereby realizing that the two fixed rods 71 ​​can be rotatably installed on the side of the gate assembly away from the chassis 8.

[0069] The bottom end of the fixing rod 71 is higher than the bottom end of the bottom beam 2. A support rod 73 parallel to the fixing rod 71 is provided below it. A buffer pad 74 is fitted onto the bottom of the support rod 73, and the bottom end of the buffer pad 74 is lower than the bottom end of the bottom beam 2. The fixing rod 71 and the support rod 73 are connected by a fixing sleeve 75 and locked with screws. Thus, when the door assembly lands on the ground, the buffer pad 74 contacts the ground first to cushion and absorb shock, thereby preventing damage to the bottom beam 2. Simultaneously, the buffer rod assembly 7 also provides support, ensuring the door assembly is stably supported on the ground.

[0070] In addition, the gate assembly may also include at least one reinforcing rod, which is horizontally or obliquely arranged along the length direction. The reinforcing rod extends along the length direction and is fixedly connected to several vertical rods 31 of the copper busbar to improve the strength of the vertical rod assembly 3.

[0071] See Figure 1 , Figure 11 and Figure 12 It includes: a chassis 8 and the aforementioned gate assembly. The chassis 8 is provided with a drive mechanism connected to the gate assembly. The drive mechanism can drive the gate assembly to rotate and rise or fall in a vertical plane.

[0072] The airlock door is raised or lowered by a drive mechanism inside the chassis. When raised, the door assembly is almost folded up and flush with the side wall of the chassis 8, avoiding obstruction of the doorway space. This allows for a spacious and unobstructed passage when the airlock door is opened, and prevents the door assembly from protruding beyond the side wall of the chassis 8, thus avoiding accidents caused by vehicles or pedestrians bumping into it. When the airlock door is closed, the door assembly uses a high density of vertical bars 31 to block the doorway, preventing people from passing through, thus achieving anti-theft purposes and ensuring the safety of both the airlock door and the safety of personnel.

[0073] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A gate assembly, characterized in that, include: Facing beam; A bottom beam, which is disposed opposite to the top beam; A vertical rod assembly is provided between the top beam and the bottom beam. The vertical rod assembly includes a plurality of vertical rods spaced apart along the length direction of the bottom beam. The plurality of vertical rods are arranged in at least three rows along the width direction of the bottom beam, and the plurality of vertical rods are staggered along both the length and width directions of the bottom beam. The two ends of the vertical rods are rotatably connected to the top beam and the bottom beam, respectively. A protective structure is provided at the bottom of the gate assembly.

2. The gate assembly according to claim 1, characterized in that: At least three rows of the vertical bars are arranged at equal intervals along the width direction of the bottom beam, and the vertical bars in each row are arranged at equal intervals along the length direction of the bottom beam.

3. The gate assembly according to claim 1 or 2, characterized in that: Both the top beam and the bottom beam are provided with several mounting seats, and the two ends of the vertical rod are respectively rotatably connected to the corresponding mounting seats through connecting blocks.

4. The gate assembly according to claim 3, characterized in that: The connecting block includes a plug-in block that engages with the vertical rod, and a mating block that is detachably connected to the plug-in block and disposed opposite to it. The plug-in block and the mating block are respectively disposed on both sides of the mounting base and are rotatably connected to the mounting base.

5. The gate assembly according to claim 4, characterized in that: The mounting base is provided with mounting holes. The plug block and the mating block are respectively provided with connecting shafts that rotate with the mounting holes. The two connecting shafts are arranged opposite to each other. The plug block and the mating block are respectively provided with through holes that are coaxially arranged with their corresponding connecting shafts. The two connecting shafts arranged opposite to each other are connected by fasteners that pass through them axially. Each of the two through holes is provided with a matching sealing element.

6. The gate assembly according to claim 3, characterized in that: The bottom of the face beam and the top of the bottom beam are respectively provided with a first receiving groove and a second receiving groove along their length direction. A plurality of the mounting seats can be slidably disposed in the corresponding first receiving groove or second receiving groove, and abut against each other sequentially along the length direction of the face beam or the bottom beam.

7. The gate assembly according to claim 6, characterized in that: The mounting base includes a base slidably connected to the first receiving groove or the second receiving groove, and a connecting lug connected to the base, wherein the connecting lug is rotatably connected to the corresponding vertical rod; The structure of the connecting ears corresponding to the row of vertical rods is the same, and the connecting ears of the row are spaced apart from the connecting ears of the adjacent row.

8. The gate assembly according to claim 7, characterized in that: At least one side wall of the base in the width direction is provided with a locking block protruding outward. At least one side wall of the first receiving groove is bent inward to form a first locking groove that slides with the corresponding locking block. At least one side wall of the second receiving groove is bent inward to form a second locking groove that slides with the corresponding locking block.

9. The gate assembly according to claim 7, characterized in that: The vertical rods are arranged in three rows along the width direction of the bottom beam, namely the first vertical rod group, the second vertical rod group, and the third vertical rod group. The two ends of the vertical rods in the second vertical rod group are rotatably connected to the bottom of the top beam and the top of the bottom beam, respectively. The top ends of the vertical rods in the first vertical rod group and the third vertical rod group are rotatably connected to the two sides of the top beam in the width direction, respectively. The bottom ends of the vertical rods in the first vertical rod group and the third vertical rod group are rotatably connected to the two sides of the bottom beam in the width direction, respectively. The connecting ear corresponding to the first vertical rod group is provided on one side of the corresponding base, the connecting ear corresponding to the second vertical rod group is provided on the corresponding base, and the connecting ear corresponding to the third vertical rod group is provided on the other side of the corresponding base.

10. The gate assembly according to claim 9, characterized in that: The face beam and the bottom beam are provided with a first fixing groove and a second fixing groove on both sides of their width direction and along their length direction, respectively. The connecting ear on the side of the base is provided with a fixing part on the side facing the base. The fixing part is adapted to and slidably disposed in the corresponding first fixing groove or second fixing groove.

11. The gate assembly according to claim 10, characterized in that: A fixing strip is provided between two adjacent connecting ears on the side of the base, and the fixing strip is adapted to and slidably disposed in the corresponding first fixing groove or second fixing groove.

12. An air-drop door, characterized in that, include: The chassis and the gate assembly according to any one of claims 1-11, wherein the chassis is provided with a drive mechanism connected to the gate assembly, the drive mechanism being capable of driving the gate assembly to rotate and rise or fall in a vertical plane.

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