Chain type linkage segmented linear door

Abstract

The utility model discloses a chain type linkage segmented linear door which comprises a main portal frame, a door body assembly, a movable portal frame and an auxiliary portal frame. The door body assembly comprises a driving door body with a driving mechanism and at least two driven door bodies, the driving door body is arranged on the side away from the auxiliary portal frame, and the power output end of the driving mechanism is connected with the driving door body so that the driving door body can horizontally move to be opened and closed. The driving door body and the driven door body adjacent to the driving door body as well as all the driven door bodies enable the door body assemblies to be opened and closed in a linkage translation mode through chain type linkage mechanisms. The driving mechanism and the chain type linkage mechanism are matched with each other, so that linkage is achieved between the driving door body and the driven door body adjacent to the driving door body, linkage is achieved between the driven door bodies, and the opening and closing speed of the door can be increased. By adjusting the first tensioning mechanism or the second tensioning mechanism, the first transfer chain or the second transfer chain can be in a proper tensioning degree, and the running stability of the device is ensured.

Description

Technical Field

[0001] The utility model relates to a segmented linear door, in particular to a chain-linked segmented linear door. Background Art

[0002] The existing segmented linear door is a retractable sliding door body. When the segmented linear door is fully extended, the door body width is longer, which can meet the requirements of the application site for the door body width; when the segmented linear door is fully retracted, the door body structure of each section can be overlapped together in parallel and located in the door opening, occupying a small space and width, which can effectively save space and width in the application site, and is widely used in the entrances and exits of large places such as enterprises, factories, and schools.

[0003] The existing segmented linear door usually includes a main gantry, a multi-section door assembly slidably connected in the main gantry, a plurality of mobile gantries arranged on the door assembly for supporting the door assembly and cooperating with the door assembly to open and close in translation, and a secondary gantry arranged on one side of the door assembly for cooperating with the door assembly to open and close linearly, wherein a front drive mechanism is arranged on the first section of the door assembly close to the secondary gantry in the multi-section door assembly. When the existing segmented linear door is working, the front drive mechanism first drives the first section of the door to move, and after the first section of the door moves to a fully extended state or a fully retracted state, it drives the driven door adjacent to the first section of the door to move, and so on, until each section of the driven door moves to expand or retracts in sequence, which makes the opening and closing speed of the existing segmented linear door very slow. Summary of the invention

[0004] In order to solve the above deficiencies in the prior art, the utility model aims to provide a chain-linked segmented linear door to achieve the purpose of increasing the opening and closing speed.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a chain-linked segmented linear door, comprising a main gantry, a door body assembly slidably connected in the main gantry, a plurality of mobile gantries arranged on the door body assembly for supporting the door body assembly and cooperating with the movement of the door body assembly, and a secondary gantry arranged on the side away from the main gantry, wherein the door body assembly comprises a driving door body with a driving mechanism and at least two sections of driven door bodies, the driving door body is arranged on the side away from the secondary gantry, the power output end of the driving mechanism is connected to the driving door body so that the driving door body can be translated and opened and closed; the driving door body and its adjacent driven door body, and each section of the driven door body are linked to the door body assembly through a chain linkage mechanism to enable the door body assembly to be translated and opened and closed.

[0006] As a limitation of the present utility model, the driving mechanism includes a driving component fixed on the main gantry through an existing supporting frame, a driving gear fixed on the power output end of the driving component, and a transmission component meshed with the driving gear; the transmission component includes a vertical plate fixed on the supporting frame, a rotating shaft rotatably arranged on the vertical plate, a driven gear and a transmission sprocket respectively fixed at both ends of the rotating shaft, and a transmission chain fixed in the bottom beam cavity of the driving door body, wherein the driven gear meshes with the driving gear, and the transmission sprocket meshes with the transmission chain.

[0007] As a further limitation of the present invention, the chain linkage mechanism includes a first chain linkage mechanism arranged in a driving door body and a driven door body adjacent to the driving door body, and a second chain linkage mechanism respectively arranged in two adjacent driven door bodies; the first chain linkage mechanism includes a first fixed sprocket and a first speed change mechanism respectively arranged at both ends of the bottom beam cavity in the driving door body, and a first fixed chain fixedly arranged in the driven door body adjacent to the driving door body, wherein the first fixed sprocket is connected to the input sprocket in the first speed change mechanism through a first transfer chain transmission connection, the first transfer chain is meshed with the transmission sprocket, and the output sprocket in the first speed change mechanism is meshed with the first fixed chain; the output sprocket in the first speed change mechanism is meshed with the first The rotational speed of the input sprocket is twice the rotational speed of the output sprocket in the first speed change mechanism; the second chain linkage mechanism includes second fixed sprockets and a second speed change mechanism respectively arranged at both ends of the bottom beam cavity in the driven door body close to the driving door body in two adjacent driven door bodies, and a second fixed chain fixed in the driven door body adjacent to the driven door body where the above-mentioned second speed change mechanism is located, wherein the second fixed sprocket is connected to the input sprocket in the second speed change mechanism through a second transfer chain transmission, the output sprocket in the second speed change mechanism is meshed with the second fixed chain, and the output sprocket in the second speed change mechanism is meshed with the second transfer chain; the rotational speed of the input sprocket in the second speed change mechanism is twice the rotational speed of the output sprocket in the second speed change mechanism.

[0008] As a further limitation of the present invention, a first tensioning mechanism for adjusting the tension of the first transfer chain is fixedly installed in the bottom beam cavity of the driving door body; a second tensioning mechanism for adjusting the tension of the second transfer chain is fixedly installed in the bottom beam cavity of the driven door body.

[0009] As a further limitation of the present invention, the first tensioning mechanism has the same structure as the second tensioning mechanism; the first tensioning mechanism includes a fixed block fixed in the bottom beam cavity of the driving door body, an adjusting bolt slidably arranged on the fixed block, a tensioning spring sleeved outside the adjusting bolt for tightening the adjusting bolt, and a tensioning block threadably connected to the screw in the adjusting bolt, wherein the first fixed sprocket is rotatably arranged on the tensioning block.

[0010] As another limitation of the present invention, the driving door body and its adjacent driven door body are connected by a first connecting mechanism; the first connecting mechanism connection includes a first upper guide member slidably connected in a top beam cavity in the driving door body and in a top beam cavity in the driven door body adjacent to the driving door body, and a first lower guide member slidably connected in a bottom beam cavity in the driving door body and in a bottom beam cavity in the driven door body adjacent to the driving door body.

[0011] As a further limitation of the present invention, the adjacent driven door bodies are connected by a second connecting mechanism; the second connecting mechanism includes a second upper guide member slidably connected in the top beam cavity of each two adjacent sections of the driven door body, and a second lower guide member slidably connected in the bottom beam cavity of each two adjacent sections of the driven door body.

[0012] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0013] (1) The utility model is provided with a driving mechanism and a chain linkage mechanism, wherein the driving mechanism can provide power for the driving door body so that the driving door body performs reciprocating linear motion, and the chain linkage mechanism can realize linkage between the driving door body and the adjacent driven door body, and between each section of the driven door body. When the driving door body moves, the driven door body also starts to move synchronously with the driving door body, which can effectively improve the opening and closing speed of the utility model.

[0014] (2) The driving mechanism of the utility model adopts a structural form that combines a driving member, a driving gear, a driven gear, a transmission sprocket and a transmission chain. The structure is simple and has high stability. The driving member provides power, and then the power for reciprocating linear motion of the door body is provided through the transmission between the gears and the transmission between the sprocket chain.

[0015] (3) The utility model is provided with a first chain linkage mechanism and a second chain linkage mechanism, wherein the first chain linkage mechanism and the second chain linkage mechanism both adopt a transmission structure in which a chain and a sprocket cooperate with each other, and the transmission structure is simple, has high transmission efficiency, long service life and high reliability.

[0016] (4) The utility model is provided with a first tensioning mechanism and a second tensioning mechanism. By adjusting the first tensioning mechanism or the second tensioning mechanism, the first transfer chain or the second transfer chain can be adjusted to a suitable tensioning degree to ensure the smooth operation of the utility model. In addition, when the first transfer chain or the second transfer chain becomes loose due to long-term use, the first transfer chain or the second transfer chain can be re-tightened by adjusting the first tensioning mechanism or the second tensioning mechanism, so that the utility model can still operate smoothly after long-term use, which can effectively improve the practicality of the utility model.

[0017] (5) The utility model is provided with a first upper guide member and a first lower guide member between the driving door body and the driven door body adjacent to the driving door body, and a second upper guide member and a second lower guide member are provided between adjacent driven door bodies, wherein the first upper guide member, the first lower guide member, the second upper guide member, and the second lower guide member can play a role of limiting and guiding each section of the door body, so that the moving direction of each section of the door body is more accurate. In addition, the first upper guide member, the first lower guide member, the second upper guide member, and the second lower guide member are located in the corresponding cavity in the door body assembly, which makes the distance between the driving door body and the driven door body adjacent to it, and the distance between each driving door body smaller, which makes the overall structure of the utility model compact and the operation stability high.

[0018] In summary, the utility model has a compact structure, a long service life, high operational stability, and strong practicality. The driving mechanism and the chain linkage mechanism cooperate with each other to realize linkage between the driving door body and the adjacent driven door body, and between each section of the driven door body, which can effectively improve the opening and closing speed of the utility model. In addition, the utility model can adjust the first tensioning mechanism or the second tensioning mechanism to make the first transfer chain or the second transfer chain at a suitable tensioning degree, thereby ensuring the stability of the operation of the utility model. The utility model is suitable for entrances and exits of various places such as enterprises, factories, and schools. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0021] Figure 2 This is a front view of the structural relationship of an embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the structural relationship between the driving mechanism, the first transfer chain, and the first bracket bottom guide wheel assembly mechanism in the embodiment of the utility model;

[0023] Figure 4 A three-dimensional diagram of a first upper guide member in an embodiment of the utility model;

[0024] Figure 5 It is a schematic diagram of the connection relationship between the first upper guide member, the driving door body top beam, and the driven door body top beam adjacent to the driving door body in the embodiment of the utility model;

[0025] Figure 6 A three-dimensional diagram of the first lower guide member in the embodiment of the utility model;

[0026] Figure 7It is a schematic diagram of the connection relationship between the first lower guide member, the driving door body bottom beam, and the driven door body bottom beam adjacent to the driving door body in the embodiment of the utility model;

[0027] Figure 8 This is a schematic diagram of the structural relationship of the first steel wire rope linkage component in the embodiment of the utility model;

[0028] Fig. 9 This is a schematic diagram of the structural relationship of the second steel wire rope linkage component in the embodiment of the utility model;

[0029] Fig.10 It is a three-dimensional diagram of the first speed change mechanism in the embodiment of the utility model;

[0030] Fig.11 It is a schematic diagram of the structural relationship of the first speed change mechanism, the first transfer chain, the transmission chain, the first fixed chain, and the second transfer chain in the embodiment of the utility model;

[0031] Fig.12 It is a schematic diagram of the structural relationship between the first tensioning mechanism, the first fixed sprocket, and the first transfer chain in the embodiment of the utility model;

[0032] Fig.13 It is a three-dimensional diagram of the guide wheel assembly mechanism at the bottom of the first bracket in the embodiment of the utility model;

[0033] In the figure: 1, main gantry; 2, auxiliary gantry; 3, mobile gantry; 4, driving door body; 5, driven door body; 6, driving mechanism; 7, first fixed sprocket; 8, first speed change mechanism; 9, first transfer chain; 10, first fixed chain; 11, second fixed sprocket; 12, second speed change mechanism; 13, second transfer chain; 14, second fixed chain; 15, first tensioning mechanism; 16, second tensioning mechanism; 17, first lower guide member; 18, second lower guide member; 19, first bracket bottom guide wheel group mechanism; 20, second bracket bottom guide wheel group mechanism; 21, first upper guide member; 60, support frame; 61, driving member; 62, driving gear; 63, driven gear; 64 , transmission sprocket; 65, transmission chain; 80, speed change fixed block; 81, transfer chain support wheel; 82, first speed change shaft; 83, input sprocket; 84, first driven sprocket; 85, speed change chain; 86, second driven sprocket; 87, second speed change shaft; 88, output sprocket; 150, fixed block; 151, adjusting bolt; 152, tension spring; 153, tension block; 170, lower guide wheel shaft fixed block; 171, lower guide wheel shaft; 172, lower fixed block bearing; 173, lower guide wheel; 190, installation vertical plate; 191, connecting shaft; 192, rotating wheel; 210, upper guide fixed vertical plate; 211, upper guide fixed horizontal plate; 212, upper guide shaft; 213, upper guide wheel. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and understand the present invention, and are not used to limit the present invention.

[0035] Embodiment A chain-linked segmented linear door

[0036] like Figure 1 to Figure 2 As shown, this embodiment includes a main gantry 1, a secondary gantry 2, a door body assembly slidably connected to the main gantry 1, and a plurality of mobile gantries 3 arranged on the door body assembly for supporting the door body assembly and cooperating with the movement of the door body assembly.

[0037] The main gantry 1 and the auxiliary gantry 2 are both existing structures. The auxiliary gantry 2 is arranged on a side away from the main gantry 11, and realizes opening and closing of the channel by cooperating with the door body assembly.

[0038] The mobile gantry 3 is an existing structure, comprising a portal frame structure, a base fixed at the bottom of the portal frame structure, and two wheels fixed at the lower part of the base.

[0039] The door body assembly includes a driving door body 4 having a driving mechanism 6 and at least two sections of driven door bodies 5. In the present embodiment, two sections of driven door bodies 5 are provided. The structures of the driving door body 4 and the driven door body 5 are basically the same, both including a fence-type door body structure consisting of a top beam, a bottom beam and a plurality of columns, wherein the top beam and the bottom beam in the driving door body 4 are both hollow cavity structures, and the top beam and the bottom beam in each section of the driven door body 5 are both hollow cavity structures. The driving door body 4 is arranged on a side away from the secondary gantry 2, and the power output end of the driving mechanism 6 is connected to the driving door body 4 so that the driving door body 4 can be translated and opened and closed. Specifically, in the present embodiment, Figure 3 As shown, the driving mechanism 6 includes a driving component 61 fixed on the main gantry 1 through an existing support frame 60, a driving gear 62 fixed on the power output end of the driving component 61, and a transmission component meshed with the driving gear 62, wherein the driving component 61 adopts a motor, and the transmission component includes a vertical plate fixed on the support frame 60, a rotating shaft rotatably arranged on the vertical plate, a driven gear 63 and a transmission sprocket 64 respectively fixed at both ends of the rotating shaft, and a transmission chain 65 fixed in the bottom beam cavity of the driving door body 4, wherein the driven gear 63 is meshed with the driving gear 62, the transmission sprocket 64 is meshed with the transmission chain 65, and the transmission chain 65 is arranged along the length direction of the bottom beam in the driving door body 4, and the two ends of the transmission chain 65 are fixed to the bottom beam by bolts.

[0040] The driving door body 4 and the adjacent driven door body 5 are connected via a first connecting mechanism. Figure 5 , Figure 7As shown, the first connection mechanism includes a first upper guide member 21 slidably connected in the top beam cavity of the driving door body 4 and in the top beam cavity of the driven door body 5 adjacent to the driving door body 4, and a first lower guide member 17 slidably connected in the bottom beam cavity of the driving door body 4 and in the bottom beam cavity of the driven door body 5 adjacent to the driving door body 4. Figure 4 As shown, the first upper guide member 21 includes an upper guide fixed vertical plate 210, an upper guide fixed horizontal plate 211 vertically fixed on the upper guide fixed vertical plate 210, and at least one upper guide shaft 212 fixed on the upper guide fixed horizontal plate 211. An upper guide wheel 213 is rotatably arranged at each end of each upper guide shaft 212, wherein the upper guide wheel 213 is arranged inside the top beam cavity of the driving door body 4, and the upper guide fixed horizontal plate 211 is fixed inside the top beam cavity of the driven door body 5 adjacent to the driving door body 4 by bolts. Figure 6 As shown, the first lower guide member 17 includes a lower guide wheel shaft fixing block 170, a lower guide wheel shaft 171 rotatably connected to the lower guide wheel shaft fixing block 170 through a lower fixing block bearing 172, and a lower guide wheel 173 arranged at the end of the lower guide wheel shaft 171, wherein the lower guide wheel 173 is arranged inside the bottom beam cavity of the driving door body 4, and the lower guide wheel shaft fixing block 170 is fixedly arranged inside the bottom beam cavity of the driven door body 5 adjacent to the driving door body 4 by bolts.

[0041] Adjacent driven door bodies 5 are connected by a second connecting mechanism. The second connecting mechanism includes a second upper guide member slidably connected in the top beam cavity of each adjacent two sections of driven door bodies 5, and a second lower guide member 18 slidably connected in the bottom beam cavity of each adjacent two sections of driven door bodies 5. The structure of the second upper guide member is the same as that of the first upper guide member 21, and the second lower guide member 18 is the same as the second upper guide member. The difference is that the upper guide wheel 213 in the second upper guide member is arranged inside the top beam cavity of the driven door body 5 adjacent to the driving door body 4, and the upper guide fixed horizontal plate 211 in the second upper guide member is fixedly arranged inside the top beam cavity of the driven door body 5 adjacent to the secondary gantry 2 by bolts. The guide wheel in the second lower guide member 18 is arranged inside the bottom beam cavity of the driven door body 5 adjacent to the driving door body 4, and the guide wheel shaft fixing block in the second lower guide member 18 is arranged inside the bottom beam cavity of the driven door body 5 adjacent to the secondary gantry 2.

[0042] The door assembly is opened and closed in linkage translation between the driving door body 4 and the adjacent driven door body 5 and between each section of the driven door body 5 through a chain linkage mechanism. The chain linkage mechanism includes a first chain linkage mechanism disposed in the driving door body 4 and in the driven door body 5 adjacent to the driving door body 4, and a second chain linkage mechanism disposed in two adjacent driven door bodies 5 respectively.

[0043] like Figure 8As shown, the first chain linkage mechanism includes a first fixed sprocket 7 and a first speed change mechanism 8 respectively arranged at both ends of the bottom beam cavity of the driving door body 4, and a first fixed chain 10 fixed in the driven door body 5 adjacent to the driving door body 4, wherein the first fixed chain 10 is a straight chain. Fig.10 , Fig.11 As shown, the first speed change mechanism 8 includes a speed change fixed block 80, a transfer chain support wheel 81 rotatably arranged on the speed change fixed block 80, a first speed change shaft 82 rotatably arranged on the speed change fixed block 80, an input sprocket 83 and a first driven sprocket 84 respectively fixed at both ends of the first speed change shaft 82, a second driven sprocket 86 drivingly connected to the first driven sprocket 84 via a speed change chain 85, and an output sprocket 88 rotatably connected to the second driven sprocket 86 via a second speed change shaft 87. The speed change fixed block 80 is fixed in the cavity of the bottom beam of the driving door body 4, close to one end of the adjacent driven door body 5. The rotation speed of the input sprocket 83 in the first speed change mechanism 8 is twice the rotation speed of the output sprocket 88 in the first speed change mechanism 8. Specifically, the input sprocket 83 adopts the existing sprocket with 13 teeth in 4 parts, the first driven sprocket 84 adopts the existing sprocket with 10 teeth in 3 parts, the second driven sprocket 86 adopts the existing sprocket with 20 teeth in 3 parts, and the output sprocket 88 adopts the existing sprocket with 13 teeth in 4 parts. The first fixed sprocket 7 is connected to the input sprocket 83 in the first speed change mechanism 8 through the first transfer chain 9, wherein the first transfer chain 9 is an existing ring chain, and the first transfer chain 9 is placed on the transfer chain support wheel 81 in the first speed change mechanism 8 so that the first transfer chain 9 is in a horizontal state, the chain at the lower part of the first transfer chain 9 is meshed with the driving sprocket 64, and the output sprocket 88 in the first speed change mechanism 8 is meshed with the first fixed chain 10.

[0044] like Fig. 9As shown, the second chain linkage mechanism includes a second fixed sprocket 11 and a second speed change mechanism 12 respectively arranged at both ends of the bottom beam cavity in the driven door body 5 close to the driving door body 4 in two adjacent driven door bodies 5, and a second fixed chain 14 fixed in the driven door body 5 adjacent to the driven door body 5 where the second speed change mechanism 12 is located, wherein the second fixed chain 14 is a straight chain. The structure of the second speed change mechanism 12 is the same as that of the first speed change mechanism 8, except that the speed change fixed block 80 in the second speed change mechanism 12 is fixed on one end of the bottom beam cavity of the driven door body 5 adjacent to the driving door body 4 close to the secondary gantry 2. The second fixed sprocket 11 is connected to the input sprocket 83 in the second speed change mechanism 12 through the second transfer chain 13, wherein the second transfer chain 13 is an existing ring chain, and the second transfer chain 13 is placed on the transfer chain support wheel 81 in the second speed change mechanism 12 so that the second transfer chain 13 is in a horizontal state, the output sprocket 88 in the second speed change mechanism 12 is meshed with the second fixed chain 14, and the input sprocket 83 in the second speed change mechanism 12 is meshed with the second transfer chain 13.

[0045] In order to improve the practicality of the utility model, in this embodiment, a first tensioning mechanism 15 for adjusting the tension of the first transfer chain 9 is fixedly installed in the bottom beam cavity of the driving door body 4; a second tensioning mechanism 16 for adjusting the tension of the second transfer chain 13 is fixedly installed in the bottom beam cavity of the driven door body 5. Specifically, the first tensioning mechanism 15 and the second tensioning mechanism 16 have the same structure, such as Fig.12 As shown, the first tensioning mechanism 15 includes a fixed block 150 fixed in the bottom beam cavity of the driving door body 4, an adjusting bolt 151 slidably set on the fixed block 150, a tensioning spring 152 sleeved outside the adjusting bolt 151 for tightening the adjusting bolt 151, and a tensioning block 153 threadedly connected to the screw in the adjusting bolt 151, wherein one end of the adjusting bolt 151 presses on the nut in the adjusting bolt 151, and the other end of the tensioning spring 152 presses on the fixed block 150, and the first fixed sprocket 7 is rotatably set on the tensioning block 153.

[0046] In order to improve the stability of the operation of the utility model, the present embodiment is further provided with a first bracket bottom guide wheel group mechanism 19 and a second bracket bottom guide wheel group mechanism 20. The first bracket bottom guide wheel group mechanism 19 is an existing structure, such as Fig.13As shown, the first bracket bottom guide wheel group mechanism 19 includes a guide wheel group mounting vertical plate 190, four bottom guide wheel groups arranged at the top of the guide wheel group mounting vertical plate 190, wherein each bottom guide wheel group includes a connecting shaft 191 arranged on the guide wheel group mounting vertical plate 190, and two rotating wheels 192 respectively rotatably connected to both ends of the connecting shaft 191. The first bracket bottom guide wheel group mechanism 19 is fixedly mounted on the top of the support frame 60, and the four bottom guide wheel groups in the first bracket bottom guide wheel group mechanism 19 are arranged inside the bottom beam cavity of the driving door body 4. The structure of the second bracket bottom guide wheel group mechanism 20 is the same as that of the first bracket bottom guide wheel group mechanism 19, except that the installation positions of the second bracket bottom guide wheel group mechanism 20 and the first bracket bottom guide wheel group mechanism 19 are different, and a second bracket bottom guide wheel group mechanism 20 is respectively provided on the two mobile gantries 3 close to the secondary gantry 2. Specifically, the second bracket bottom guide wheel group mechanism 20 is fixedly mounted on the top of the base in the mobile gantry 3, and the four bottom guide wheel groups in the second bracket bottom guide wheel group mechanism 20 are arranged inside the bottom beam cavity in the corresponding driven door body 5.

[0047] The working principle of this embodiment during door closing operation is as follows: the driving component 61 causes the driving gear 62 to rotate, the driving gear 62 drives the driven gear 63 to rotate, the driven gear 63 rotates and drives the transmission sprocket 64 to rotate, the transmission sprocket 64 rotates and drives the transmission chain 65 to move linearly in the door closing direction, the transmission chain 65 drives the driving door body 4 to move linearly in the door closing direction, at the same time, the transmission sprocket 64 drives the first transfer chain 9 to move, the first transfer chain 9 moves and drives the input sprocket 83 in the first speed change mechanism 8 to rotate, the input sprocket 83 rotates and drives the first driven sprocket 84 to rotate, the first driven sprocket 84 rotates and drives the second driven sprocket 86 to rotate through the speed change chain 85, the second driven sprocket 86 rotates and drives the output sprocket 88 in the first speed change mechanism 8 to rotate, the output sprocket 88 rotates and drives the first fixed chain 10 to move linearly in the door closing direction, the first fixed chain 10 drives the driven door body 5 adjacent to the driving door body 4 to move linearly in the door closing direction. The output sprocket 88 in the first speed change mechanism 8 rotates to drive the second transfer chain 13 in the second chain linkage mechanism to move, the second transfer chain 13 moves to drive the output sprocket 88 in the second speed change mechanism 12 to rotate, the output sprocket 88 rotates to drive the second fixed chain 14 to move linearly in the door closing direction, and the second fixed chain 14 drives the driven door body 5 adjacent to the secondary gantry 2 to move linearly in the door closing direction until the driven door body 5 adjacent to the secondary gantry 2 is unfolded and cooperates with the secondary gantry 2 to complete the door closing work. In this embodiment, during the door closing process, the horizontal moving speed of the driven door body 5 adjacent to the driving door body 4 is twice the horizontal moving speed of the driving door body 4, and the horizontal moving speed of the driven door body 5 close to the secondary gantry 2 is three times the horizontal moving speed of the driving door body 4.

[0048] The working principle of this embodiment when opening the door is basically the same as the working principle of the above-mentioned embodiment when closing the door. The difference is that the driving component 61 drives the driving door body 4 to move in the direction of opening the door, and each section of the driven door body 5 is driven by the chain linkage mechanism to achieve linkage until the door opening work is completed.

[0049] It should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A chain-linked segmented linear door, comprising a main gantry, a door assembly slidably connected to the main gantry, a plurality of mobile gantries arranged on the door assembly for supporting the door assembly and cooperating with the movement of the door assembly, and a secondary gantry arranged on a side away from the main gantry, wherein the door assembly comprises a driving door body with a driving mechanism and at least two sections of driven door bodies, characterized in that: The driving door body is arranged on a side away from the secondary gantry, and the power output end of the driving mechanism is connected to the driving door body so that the driving door body can be translated and opened and closed; the driving door body and its adjacent driven door body, and each section of the driven door body are linked by a chain linkage mechanism to enable the door body components to be linked and translated and opened and closed.

2. A chain-linked segmented linear door according to claim 1, characterized in that: The driving mechanism includes a driving member fixed on the main gantry through an existing support frame, a driving gear fixed on the power output end of the driving member, and a transmission member meshing with the driving gear; The transmission component includes a vertical plate fixed on the support frame, a rotating shaft rotatably arranged on the vertical plate, a driven gear and a transmission sprocket respectively fixed on both ends of the rotating shaft, and a transmission chain fixed in the bottom beam cavity of the driving door body, wherein the driven gear is meshed with the driving gear, and the transmission sprocket is meshed with the transmission chain.

3. A chain-linked segmented linear door according to claim 2, characterized in that: The chain linkage mechanism comprises a first chain linkage mechanism disposed in a driving door body and a driven door body adjacent to the driving door body, and a second chain linkage mechanism disposed in two adjacent driven door bodies respectively; The first chain linkage mechanism includes a first fixed sprocket and a first speed change mechanism respectively arranged at two ends of the bottom beam cavity in the driving door body, and a first fixed chain fixedly arranged in the driven door body adjacent to the driving door body, wherein the first fixed sprocket is connected to the input sprocket in the first speed change mechanism through a first transfer chain transmission, the first transfer chain is meshed with the transmission sprocket, and the output sprocket in the first speed change mechanism is meshed with the first fixed chain; the rotation speed of the input sprocket in the first speed change mechanism is twice the rotation speed of the output sprocket in the first speed change mechanism; The second chain linkage mechanism includes a second fixed sprocket and a second speed change mechanism respectively arranged at both ends of the bottom beam cavity of the driven door body close to the driving door body in two adjacent driven door bodies, and a second fixed chain fixed in the driven door body adjacent to the driven door body where the above-mentioned second speed change mechanism is located, wherein the second fixed sprocket is connected to the input sprocket in the second speed change mechanism through a second transfer chain transmission, the output sprocket in the second speed change mechanism is meshed with the second fixed chain, and the output sprocket in the second speed change mechanism is meshed with the second transfer chain; the rotation speed of the input sprocket in the second speed change mechanism is twice the rotation speed of the output sprocket in the second speed change mechanism.

4. A chain-linked segmented linear door according to claim 3, characterized in that: A first tensioning mechanism for adjusting the tension of the first transfer chain is fixedly installed in the cavity of the bottom beam in the driving door body; a second tensioning mechanism for adjusting the tension of the second transfer chain is fixedly installed in the cavity of the bottom beam in the driven door body.

5. A chain-linked segmented linear door according to claim 4, characterized in that: The structure of the first tensioning mechanism is the same as that of the second tensioning mechanism; the first tensioning mechanism includes a fixed block fixed in the bottom beam cavity of the driving door body, an adjusting bolt slidably arranged on the fixed block, a tensioning spring sleeved outside the bolt for tightening the adjusting bolt, and a tensioning block threadably connected to the screw in the adjusting bolt, wherein the first fixed sprocket is rotatably arranged on the tensioning block.

6. A chain-linked segmented linear door according to any one of claims 1 to 5, characterized in that: The driving door body and its adjacent driven door body are connected by a first connecting mechanism; the first connecting mechanism connection includes a first upper guide member slidably connected in the top beam cavity of the driving door body and in the top beam cavity of the driven door body adjacent to the driving door body, and a first lower guide member slidably connected in the bottom beam cavity of the driving door body and in the bottom beam cavity of the driven door body adjacent to the driving door body.

7. The chain-linked segmented linear door according to claim 6, characterized in that: The adjacent driven door bodies are connected by a second connecting mechanism; the second connecting mechanism includes a second upper guide member slidably connected in the top beam cavity of each two adjacent driven door bodies, and a second lower guide member slidably connected in the bottom beam cavity of each two adjacent driven door bodies.

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