Shielding door easy to overhaul

Abstract

The utility model discloses a shielding door easy to maintain, which relates to the technical field of shielding doors and comprises a shielding wall, a door hole is arranged on the shielding wall, a horizontal slide rail is fixedly mounted on one side of the shielding wall and positioned below the door hole, shielding doors are symmetrically mounted at the top of the slide rail in a sliding manner, and when the sides, close to each other, of the two shielding doors are attached to each other, the sliding rail is fixed on the sliding rail. The door hole is blocked by the two shielding doors; when the motor and the transmission mechanism need to be overhauled, maintained or replaced, a maintainer only needs to detach the bolts by means of a ladder or lifting equipment, separate the two connecting pieces from the two connecting columns respectively, and then cancel the positioning between the fixing plate and the connecting plate by the positioning mechanism, so that the fixing plate can be detached; the motor and the transmission mechanism can be detached and placed on the ground for maintenance or replacement, maintenance personnel do not need to stand at a high position for a long time for maintenance and replacement, and potential safety hazards are reduced.

Description

Technical Field

[0001] This utility model relates to the field of shielding door technology, specifically a shielding door that is easy to maintain. Background Technology

[0002] Platform screen doors in subway, high-speed rail and other rail transit stations are important facilities for ensuring passenger safety and improving operational efficiency. Currently, the mainstream platform screen doors mainly adopt a sliding door structure, which consists of a drive motor, transmission mechanism, door body, guide rail and control system. However, in actual use, platform screen doors are in a state of high frequency and high load for a long time, and mechanical parts are prone to wear and tear, requiring regular inspection and maintenance.

[0003] To save installation space, most existing platform screen doors have their drive motors and transmission mechanisms installed in a narrow cavity at the top of the door. Since the height of the platform screen doors is usually over two meters, the height of the drive motors and transmission mechanisms is also over two meters. When maintenance personnel need to inspect, maintain, or replace the drive motors and transmission mechanisms, they need to use ladders or lifting equipment to stand at a high position for a long time, which poses a safety hazard. Utility Model Content

[0004] The purpose of this invention is to provide a shielding door that is easy to maintain, so as to solve the problems mentioned in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an easy-to-maintain shielding door, including a shielding wall, a door opening on the shielding wall, a horizontal slide rail fixedly installed on one side of the shielding wall and below the door opening, and shielding doors symmetrically slidably installed on the top of the slide rail. When the sides of two shielding doors that are close to each other are pressed together, the two shielding doors block the door opening.

[0006] The shielding wall has an installation hole above the door opening. Fixing blocks are symmetrically fixed on the inner bottom wall of the installation hole. A connecting plate is installed between the two fixing blocks. A fixing plate is detachably installed on one side of the connecting plate. A positioning mechanism that acts on the fixing plate is installed on the connecting plate, which is used to position or cancel the positioning between the fixing plate and the connecting plate.

[0007] The fixed plate is symmetrically mounted with horizontally oriented rotating shafts. Sprockets are coaxially fixed to the rotating shafts, and chains are driven to the two sprockets. A motor connected to one of the rotating shafts is fixedly mounted on the fixed plate. A connecting column is fixedly mounted on the top of the shielding door. Connecting pieces are detachably mounted on the chain at the midpoint above and below the two sprockets. The two connecting pieces are fixed to the two connecting columns by bolts.

[0008] Preferably, the connecting plate has symmetrical slots, and the fixing plate has symmetrically fixedly installed on one side, with each of the two slots being inserted into and engaging with the connecting plate. The positioning mechanism includes a mounting frame, a positioning block, and an adjusting component. The connecting plate has a mounting frame fixedly installed on the side away from the fixing plate and between the two opposite sides of the slots. The positioning block is horizontally movable through the mounting frame. The two slots have engagement slots on their sides that are close to each other. When the fixing plate and the connecting plate are in contact, the end of the positioning block can be inserted into the engagement slot and engage with the slot. The connecting plate is equipped with an adjusting component that is connected to both positioning blocks, which is used to allow the two positioning blocks to slide in opposite directions or stop sliding in the two mounting frames respectively.

[0009] Preferably, the adjusting component includes a bidirectional threaded rod that is horizontally rotatably mounted on the connecting plate, with both ends of the bidirectional threaded rod threaded through the sides of the two positioning blocks that are close to each other.

[0010] Preferably, the connector includes a vertical plate and a column integrally formed at the bottom of the vertical plate. The column is fixed to the connecting column by bolts. A limiting frame sleeved on the outside of the chain is fixed to the top of the vertical plate by screws. A rubber pad is provided between the vertical plate and the opposite side of the chain. The rubber pad forms contact with both the chain and the vertical plate.

[0011] Preferably, the connecting plate is rotatably mounted between two fixed blocks via a rotating shaft, and the fixed blocks are equipped with fasteners that act on the rotating shaft, which are used to fix or remove the fixation between the rotating shaft and the fixed blocks.

[0012] Preferably, the fixing component includes a guide rod, a movable plate, a block, and a threaded post. A horizontal guide rod is fixedly installed on one side of the fixing block and above the rotating shaft. A movable plate is slidably installed on the guide rod along its axial direction. A square hole is opened at the end of the rotating shaft. A block is integrally formed on the side of the movable plate near the rotating shaft. The block can be inserted into the square hole and engaged with the rotating shaft. A horizontal threaded post is rotatably installed on the movable plate, and the end of the threaded post is threaded through the fixing block.

[0013] Preferably, the shielding wall is fixed with a sleeve on the outside of the mounting hole by screws on the side away from the shielding door and above the door hole.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. When it is necessary to inspect, maintain or replace the motor and transmission mechanism, the maintenance personnel only need to use a ladder or lifting equipment to remove the bolts, separate the two connecting parts from the two connecting columns, and then remove the positioning mechanism to position the fixed plate and the connecting plate. Thus, the fixed plate can be disassembled, and the motor and transmission mechanism can be disassembled and placed on the ground for inspection, maintenance or replacement. This eliminates the need for maintenance personnel to stand at a high position for a long time to carry out inspection and replacement work, reducing safety hazards.

[0016] 2. Utilizing a special design where the connecting plate is rotatably mounted between two fixed blocks via a rotating shaft, when disassembling the fixed plate, the fixing between the rotating shaft and the fixed blocks is removed by the fasteners, allowing the connecting plate to rotate around the rotating shaft to a horizontal position, so that the fixed plate is located below the connecting plate, thereby facilitating the separation of the fixed plate from the connecting plate and further facilitating the disassembly of the fixed plate;

[0017] 3. Through the design of the casing, the casing is placed outside the mounting hole, thereby achieving the effect of sealing the mounting hole and improving the overall aesthetics of the shielding door. Attached Figure Description

[0018] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown;

[0019] Figure 2 A schematic diagram of the installation structure of the shielding door of this utility model is shown;

[0020] Figure 3 A schematic diagram of the installation structure of the connector of this utility model is shown;

[0021] Figure 4 A schematic diagram of the installation structure of the positioning mechanism of this utility model is shown;

[0022] Figure 5 A schematic diagram of the installation structure of the connecting plate of this utility model is shown;

[0023] Figure 6 This utility model illustrates Figure 5 Enlarged view of point A in the middle;

[0024] The diagram shows: 1. Shielding wall; 11. Door opening; 12. Slide rail; 13. Shielding door; 131. Connecting column; 132. Bolt; 14. Mounting hole; 15. Fixing block; 16. Connecting plate; 161. Slot; 162. Rotating shaft; 163. Square hole; 2. Fixing plate; 21. Rotating shaft; 22. Sprocket; 23. Chain; 24. Motor; 25. Locking block; 251. Locking groove; 3. Positioning mechanism; 31. Mounting frame; 32. Positioning block; 33. Adjusting component; 331. Two-way threaded rod; 4. Connecting component; 41. Vertical plate; 42. Vertical column; 43. Limiting frame; 44. Rubber pad; 5. Fixing component; 51. Guide rod; 52. Moving plate; 53. Square block; 54. Threaded column; 6. Housing. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example: This utility model provides a technical solution for an easy-to-maintain shielding door, such as... Figures 1-6 As shown, it includes a shielding wall 1, which has a door opening 11. A horizontal slide rail 12 is fixedly installed on one side of the shielding wall 1 and below the door opening 11. Shielding doors 13 are symmetrically slidably installed on the top of the slide rail 12. When the two shielding doors 13 are close to each other and fit together, the two shielding doors 13 block the door opening 11.

[0027] An installation hole 14 is provided on the shielding wall 1 above the door hole 11. Fixing blocks 15 are symmetrically fixedly installed on the inner bottom wall of the installation hole 14. A connecting plate 16 is installed between the two fixing blocks 15. A fixing plate 2 is detachably installed on one side of the connecting plate 16. A positioning mechanism 3 that acts on the fixing plate 2 is installed on the connecting plate 16, which is used to position or cancel the positioning between the fixing plate 2 and the connecting plate 16.

[0028] The fixed plate 2 is symmetrically mounted with horizontally oriented rotating shafts 21. Sprockets 22 are coaxially fixed to the rotating shafts 21. Chains 23 are drivenly connected to the two sprockets 22. A motor 24 connected to one of the rotating shafts 21 is fixedly mounted on the fixed plate 2. A connecting column 131 is fixedly mounted on the top of the shielding door 13. Connecting parts 4 are detachably mounted on the chain 23 at the middle positions above and below the two sprockets 22. Specifically, the two sets of connecting parts 4 are symmetrically arranged between the opposite sides of the two shielding doors 13. The two connecting parts 4 are fixed to the two connecting columns 131 by bolts 132.

[0029] When the shielding door is working normally, the motor 24 drives the rotating shaft 21, which is fixed to its output shaft, to rotate, thereby driving the sprocket 22 to rotate. At the same time, another rotating shaft 21 rotates synchronously on the fixed plate 2, driving the chain 23 to rotate around the two sprockets 22. Thus, the two shielding doors 13 can be driven to slide in the opposite direction along the slide rail 12 through the two sets of connecting parts 4. The two connecting parts 4 are fixed to the two connecting columns 131 by bolts 132 respectively. The fixed plate 2 is specially designed to be detachably installed on one side of the connecting plate 16. When it is necessary to inspect, maintain or replace the motor 24 and the transmission mechanism, the maintenance personnel only need to use a ladder or lifting equipment to remove the bolts 132, separate the two connecting parts 4 from the two connecting columns 131 respectively, and then remove the positioning mechanism 3 from the positioning between the fixed plate 2 and the connecting plate 16. Thus, the fixed plate 2 can be disassembled, and the motor 24 and the transmission mechanism can be disassembled and placed on the ground for inspection, maintenance or replacement. Maintenance personnel do not need to stand at a high position for a long time to carry out inspection and replacement work, reducing safety hazards.

[0030] As one embodiment: The connecting plate 16 has symmetrically arranged slots 161. A locking block 25, which can be inserted into the two slots 161 and engage with the connecting plate 16, is symmetrically fixedly installed on one side of the fixing plate 2. The positioning mechanism 3 includes a mounting frame 31, a positioning block 32, and an adjusting member 33. A mounting frame 31 is fixedly installed on the side of the connecting plate 16 away from the fixing plate 2 and between the opposite sides of the two slots 161. A positioning block 32 is horizontally movable through the mounting frame 31. A locking groove 251 is provided on the side of the two locking blocks 25 that are close to each other. When the fixing plate 2 and the connecting plate 16 are in contact, the end of the positioning block 32 can be inserted into the locking groove 251 and engage with the locking block 25. An adjusting member 33 is installed on the connecting plate 16 and connected to both positioning blocks 32. This adjusting member 33 is used to allow the two positioning blocks 32 to slide in opposite directions or stop sliding within the two mounting frames 31. When installing and fixing the fixing plate 2 and the connecting plate 16, the two locking blocks 25 on the fixing plate 2 are respectively inserted into the two locking slots 161 on the connecting plate 16, so that the fixing plate 2 and the connecting plate 16 are in contact. At this time, the maintenance personnel manually use the adjusting component 33 to make the positioning blocks 32 slide in opposite directions and move away from each other in the two mounting frames 31, so that the two positioning blocks 32 are respectively inserted into the two locking slots 251, so that the two positioning blocks 32 are respectively locked with the two locking blocks 25, thereby positioning the fixing plate 2 and the connecting plate 16. Conversely, the maintenance personnel manually use the adjusting component 33 to make the positioning blocks 32 slide in opposite directions and move closer to each other in the two mounting frames 31, so that the two positioning blocks 32 are respectively moved to the outside of the two locking blocks 25, canceling the locking state between the two positioning blocks 32 and the two locking blocks 25, thereby canceling the positioning between the fixing plate 2 and the connecting plate 16.

[0031] As one embodiment: The adjusting component 33 includes a bidirectional threaded rod 331 that is horizontally rotatably mounted on the connecting plate 16. The two ends of the bidirectional threaded rod 331 are threaded through the two positioning blocks 32 on their respective sides that are close to each other. In use, the maintenance personnel manually apply a rotational force to the bidirectional threaded rod 331 to make it rotate on the connecting plate 16. The bidirectional threaded rod 331 is threadedly connected to the two positioning blocks 32, thereby achieving the effect of driving the two positioning blocks 32 to slide in opposite directions within the two mounting frames 31.

[0032] As one embodiment: the connector 4 includes a vertical plate 41 and a column 42 integrally formed at the bottom of the vertical plate 41. The column 42 is fixed to the connecting column 131 by bolts 132. A limiting frame 43 sleeved on the outside of the chain 23 is fixedly installed on the top of the vertical plate 41 by screws. A rubber pad 44 is provided between the opposite sides of the vertical plate 41 and the chain 23. The rubber pad 44 forms contact with both the chain 23 and the vertical plate 41. In use, when the connector 4 positions the chain 23 and the connecting column 131, the vertical plate 41 is positioned close to the chain 23. On the side near the fixed plate 2, the column 42 and the connecting column 131 are fixed together using bolts 132. Then, the limiting frame 43 is fitted over the outside of the chain 23. The rubber pad 44 is inserted into the limiting frame 43 and located between the chain 23 and the opposite side of the column 41. The limiting frame 43 and the column 41 are fixed together with screws. This allows the chain 23 and the connecting column 131 to be positioned. Through the design of the rubber pad 44, the rubber pad 44 forms contact with both the chain 23 and the column 41, improving the positioning effect between the chain 23 and the column 41.

[0033] As one embodiment: the connecting plate 16 is rotatably mounted between two fixed blocks 15 via a rotating shaft 162. A fixing member 5 is installed on the fixed block 15, acting on the rotating shaft 162, to fix or remove the fixing between the rotating shaft 162 and the fixed block 15. Utilizing the special design of the connecting plate 16 being rotatably mounted between the two fixed blocks 15 via the rotating shaft 162, when disassembling the fixed plate 2, the fixing between the rotating shaft 162 and the fixed block 15 is first removed via the fixing member 5. At this time, the connecting plate 16 can rotate around the rotating shaft 162 to a horizontal position, thereby placing the fixed plate 2 below the connecting plate 16. Thus, when the fixing between the fixed plate 2 and the connecting plate 16 is removed, the fixed plate 2 and the connecting plate 16 are easily separated under the gravity of the fixed plate 2 and its components, further facilitating the disassembly of the fixed plate 2.

[0034] As one embodiment: the fixing member 5 includes a guide rod 51, a movable plate 52, a block 53, and a threaded post 54. A horizontally oriented guide rod 51 is fixedly installed on one side of the fixing block 15 and above the rotating shaft 162. A movable plate 52 is slidably installed on the guide rod 51 along its axial direction. A square hole 163 is opened at the end of the rotating shaft 162. A block 53 is integrally formed on the side of the movable plate 52 near the rotating shaft 162. The block 53 can be inserted into the square hole 163 and engage with the rotating shaft 162. Specifically, when the connecting plate 16 is in a vertical or horizontal state, the block 53 can be inserted into the square hole 163. A horizontally oriented threaded post 54 is rotatably installed on the movable plate 52, and the end of the threaded post 54 is threaded through... When using the fixed block 15, the connecting plate 16 is in a vertical or horizontal state. To fix the rotating shaft 162 to the fixed block 15, the moving plate 52 is sleeved on the outside of the guide rod 51, and the end of the threaded column 54 is engaged with the fixed block 15. The maintenance personnel then manually apply a rotational force to the threaded column 54, causing the moving plate 52 to move along the guide rod 51 toward the fixed block 15. This allows the square block 53 to be inserted into the square hole 163 and engage with the rotating shaft 162, thus fixing the rotating shaft 162 to the fixed block 15. Conversely, rotating the threaded column 54 in the opposite direction will cause the square block 53 to move out of the square hole 163 via the moving plate 52, thereby canceling the fixation between the rotating shaft 162 and the fixed block 15, which is convenient for operation.

[0035] As one embodiment: a sleeve 6 is fixedly installed on the side of the shielding wall 1 away from the shielding door 13 and above the door hole 11 by screws. The sleeve 6 is designed to cover the outside of the mounting hole 14, thereby achieving the effect of sealing the mounting hole 14 and improving the overall aesthetics of the shielding door.

[0036] In specific implementation of this utility model:

[0037] When maintenance or replacement of the motor 24 and transmission mechanism is required, maintenance personnel only need to use a ladder or lifting equipment to remove the screws used to fix the housing 6, thereby disassembling the housing 6; remove the bolts 132, thereby disassembling the connection column 131 and the upright plate 41; then rotate the threaded column 54 to move the square block 53 outward through the moving plate 52, thereby removing the fixation between the rotating shaft 162 and the fixing block 15, so that the connecting plate 16 rotates around the rotating shaft 162 to a horizontal position, so that the fixing plate 2 is located below the connecting plate 16, and then manually rotate the double... The threaded rod 331 causes the positioning blocks 32 to slide in opposite directions and approach each other within the two mounting frames 31, thus canceling the engagement between the two positioning blocks 32 and the two locking blocks 25. Under the gravity of the fixed plate 2 and the components on the fixed plate 2, the fixed plate 2 moves downward, facilitating the separation of the fixed plate 2 from the connecting plate 16 and making it easier to disassemble the fixed plate 2. This allows the motor 24 and the transmission mechanism to be disassembled and placed on the ground for inspection, maintenance, or replacement, eliminating the need for maintenance personnel to stand at a high position for extended periods and reducing safety hazards.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A shielding door that is easy to maintain, characterized in that, The shielding wall has a door opening. A horizontal slide rail is fixedly installed on one side of the shielding wall below the door opening. Shielding doors are symmetrically slidably installed on the top of the slide rail. When the two shielding doors are close to each other and their sides are pressed together, the two shielding doors block the door opening. The shielding wall has an installation hole above the door opening. Fixing blocks are symmetrically fixed on the inner bottom wall of the installation hole. A connecting plate is installed between the two fixing blocks. A fixing plate is detachably installed on one side of the connecting plate. A positioning mechanism that acts on the fixing plate is installed on the connecting plate, which is used to position or cancel the positioning between the fixing plate and the connecting plate. The fixed plate is symmetrically mounted with horizontally oriented rotating shafts. Sprockets are coaxially fixed to the rotating shafts, and chains are driven to the two sprockets. A motor connected to one of the rotating shafts is fixedly mounted on the fixed plate. A connecting column is fixedly mounted on the top of the shielding door. Connecting pieces are detachably mounted on the chain at the midpoint above and below the two sprockets. The two connecting pieces are fixed to the two connecting columns by bolts.

2. The easily maintainable shielding door according to claim 1, characterized in that: The connecting plate has symmetrical slots. The fixing plate has symmetrically fixed blocks on one side, which can be inserted into the two slots and engage with the connecting plate. The positioning mechanism includes a mounting frame, a positioning block, and an adjusting component. The connecting plate has a mounting frame fixedly installed on the side away from the fixing plate and between the two opposite sides of the slots. The positioning block moves horizontally through the mounting frame. The two blocks have engagement slots on their sides that are close to each other. When the fixing plate and the connecting plate are in contact, the end of the positioning block can be inserted into the engagement slot and engage with the block. The connecting plate is equipped with an adjusting component that is connected to both positioning blocks. This adjusting component is used to allow the two positioning blocks to slide in opposite directions or stop sliding in the two mounting frames respectively.

3. The easily maintainable shielding door according to claim 2, characterized in that: The adjusting component includes a bidirectional threaded rod that is horizontally rotatably mounted on the connecting plate, with both ends of the bidirectional threaded rod threaded through the sides of the two positioning blocks that are close to each other.

4. The easily maintainable shielding door according to claim 1, characterized in that: The connector includes a vertical plate and a column integrally formed at the bottom of the vertical plate. The column is fixed to the connecting column by bolts. A limiting frame sleeved on the outside of the chain is fixed to the top of the vertical plate by screws. A rubber pad is provided between the vertical plate and the opposite side of the chain. The rubber pad forms contact with both the chain and the vertical plate.

5. The easily maintainable shielding door according to claim 1, characterized in that: The connecting plate is rotatably mounted between two fixed blocks via a rotating shaft. The fixed blocks are equipped with fasteners that act on the rotating shaft, which are used to fix or remove the fixing between the rotating shaft and the fixed blocks.

6. The easily maintainable shielding door according to claim 5, characterized in that: The fixing component includes a guide rod, a movable plate, a block, and a threaded post. A horizontal guide rod is fixedly installed on one side of the fixing block and above the rotating shaft. A movable plate is slidably installed on the guide rod along its axis. A square hole is opened at the end of the rotating shaft. A block is integrally formed on the side of the movable plate near the rotating shaft. The block can be inserted into the square hole and engaged with the rotating shaft. A horizontal threaded post is rotatably installed on the movable plate, and the end of the threaded post is threaded through the fixing block.

7. The easily maintainable shielding door according to claim 1, characterized in that: The shielding wall is fixed with a sleeve on the outside of the mounting hole by screws on the side away from the shielding door and above the door opening.

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