Anti-blocking sliding rail type civil air defense door
By introducing a motor-driven threaded rod system into the sliding-rail type air defense door, the problem of track blockage is solved by cleaning the debris inside the track, thus enabling the smooth movement of the sliding-rail type air defense door.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI SHUNTAI PROTECTION TECH CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-05-15
AI Technical Summary
Over time, dust and debris tend to accumulate inside the tracks of existing sliding-track air-raid shelter doors, causing large debris to clog the tracks and affecting the smoothness of the door's sliding.
A clog-resistant sliding door for air defense has been designed, comprising an upper mounting bracket, an anti-clogging component, and a motor-driven threaded rod system. The threaded rod drives a moving block and a pushing block to clear debris from inside the sliding track and prevent clogging.
Effectively clean the debris inside the sliding rails to prevent large debris from clogging the doors and ensure smooth movement of the sliding-type air defense doors.
Smart Images
Figure CN224244736U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of civil defense door technology, specifically a sliding civil defense door with anti-blocking mechanism. Background Technology
[0002] Civil defense doors are the doors at the entrances and exits of civil defense projects. Civil defense doors are classified in a relatively clear manner, including single and double-leaf protective airtight doors with movable thresholds, and airtight doors, among other civil defense equipment.
[0003] In the prior art, such as the sliding rail type air defense door proposed in patent application number "CN202223456375.8", a door body, a support component and an auxiliary component are included. The support component includes a lower mounting frame installed at the bottom of the door body and a lower mounting cavity opened inside the lower mounting frame that matches the door body. Multiple sets of support rollers that support the door body are also arranged and installed inside the lower mounting cavity of the lower mounting frame, and the bottom of the support rollers is in contact with the bottom of the lower mounting cavity.
[0004] However, in the aforementioned patent, when the sliding door is used for a long time, a lot of dust and garbage tend to accumulate inside the sliding track. Larger pieces of garbage can easily clog the bottom of the sliding door, preventing it from moving smoothly. Utility Model Content
[0005] The purpose of this invention is to provide a non-blocking sliding rail type air defense door to solve the problems mentioned in the background art.
[0006] The objective of this utility model can be achieved through the following technical solutions:
[0007] A sliding-rail type air-raid shelter door with anti-blocking features includes an upper mounting frame and an anti-blocking component. A fixing frame is fixedly installed at one end of the upper mounting frame, and an electric motor is fixedly installed on the inner side of the fixing frame.
[0008] The anti-blocking component includes an upper mounting cavity, which is located on the lower surface of an upper mounting frame. A threaded rod is fixedly installed at the output end of the motor. The threaded rod is rotatably mounted inside the upper mounting cavity. A movable block is threaded onto the outer surface of the threaded rod. A blast door body is fixedly mounted on the lower surface of the movable block. A lower mounting frame is located at the lower end of the blast door body. A lower sliding cavity is located on the upper surface of the lower mounting frame. The lower end of the blast door body is slidably mounted inside the lower sliding cavity.
[0009] Preferably, the lower end of the main body of the air-raid shelter door is provided with a placement groove, and a control block is provided inside the placement groove. Two mounting bolts are threaded between the main body of the air-raid shelter door and the control block.
[0010] Preferably, a locking block is fixedly provided on one side of the control block, and a slot is provided inside the placement groove, with one end of the locking block slidably disposed inside the slot.
[0011] Preferably, the lower surface of the control block is provided with a rectangular groove, and two rollers are rotatably arranged inside the rectangular groove, with the two rollers located inside the lower sliding cavity.
[0012] Preferably, a sliding block is slidably provided at the lower end of the main body of the air-raid shelter door. The sliding block is slidably provided on the outer surface of the lower mounting bracket. Grooves are provided on both sides of the main body of the air-raid shelter door. Two protrusions are fixedly provided on the inner side of the sliding block. The two protrusions are slidably provided in the two grooves respectively. A limit plate is slidably provided at one end of the sliding block. Two positioning bolts are threaded between the sliding block and the limit plate.
[0013] Preferably, one end of the sliding block and the limiting plate is provided with a positioning groove, and a positioning block is slidably arranged inside the two positioning grooves. A pushing block is fixedly arranged on one side of each of the two positioning blocks, and the two pushing blocks are slidably arranged inside the lower sliding cavity.
[0014] The beneficial effects of this utility model are:
[0015] This utility model slidably sets the sliding block at the lower end of the main body of the air-raid shelter door, inserts the positioning bolt into the interior of the sliding block and the limiting plate, and sets two pushing blocks at one end of the sliding block and the limiting plate respectively. The two pushing blocks clean up the debris inside the lower sliding cavity, preventing large debris from clogging the bottom of the sliding air-raid shelter door, and facilitating the smooth movement of the sliding air-raid shelter door. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the upper mounting cavity and motor structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the threaded rod and moving block structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the card block and roller structure of this utility model;
[0021] Figure 5 This is a schematic diagram of the main body and sliding block structure of the air defense door of this utility model;
[0022] Figure 6This is a schematic diagram of the positioning block and pushing block structure of this utility model.
[0023] The attached figures are labeled as follows:
[0024] 1. Upper mounting bracket; 2. Fixed bracket; 3. Motor; 4. Upper mounting cavity; 5. Threaded rod; 6. Moving block; 7. Main body of the air-raid shelter door; 8. Lower mounting bracket; 9. Lower sliding cavity; 10. Groove; 11. Slot; 12. Placement slot; 13. Control block; 14. Locking block; 15. Rectangular slot; 16. Roller; 17. Mounting bolt; 18. Sliding block; 19. Limiting plate; 20. Positioning slot; 21. Positioning bolt; 22. Positioning block; 23. Pushing block; 24. Protrusion. 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0026] A sliding rail type air defense door with anti-blocking mechanism includes an upper mounting frame 1 and an anti-blocking component. A fixing frame 2 is fixedly installed at one end of the upper mounting frame 1, and an electric motor 3 is fixedly installed on the inner side of the fixing frame 2.
[0027] The anti-blocking component includes an upper mounting cavity 4, which is located on the lower surface of the upper mounting frame 1. A threaded rod 5 is fixedly installed at the output end of the motor 3. The threaded rod 5 is rotatably installed inside the upper mounting cavity 4. A movable block 6 is threaded on the outer surface of the threaded rod 5. A blast door body 7 is fixedly installed on the lower surface of the movable block 6. A lower mounting frame 8 is installed at the lower end of the blast door body 7. A lower sliding cavity 9 is opened on the upper surface of the lower mounting frame 8. The lower end of the blast door body 7 is slidably installed inside the lower sliding cavity 9.
[0028] like Figure 1 , Figure 2 and Figure 3 The output end of the motor 3 drives the threaded rod 5 to rotate inside the upper mounting cavity 4. The threaded rod 5 drives the moving block 6 to move, so that the upper end of the blast door body 7 slides inside the upper mounting cavity 4, and the lower end of the blast door body 7 slides inside the lower sliding cavity 9.
[0029] The lower end of the main body 7 of the air defense door is provided with a placement groove 12, and a control block 13 is provided inside the placement groove 12. Two mounting bolts 17 are threaded between the main body 7 of the air defense door and the control block 13.
[0030] like Figure 3 and Figure 4Two mounting bolts 17 are threaded into the body 7 of the air defense door and the control block 13, so that the control block 13 is fixed inside the placement groove 12.
[0031] A locking block 14 is fixedly provided on one side of the control block 13, and a slot 11 is provided inside the placement slot 12. One end of the locking block 14 is slidably disposed inside the slot 11.
[0032] like Figure 3 and Figure 4 When the control block 13 is fixed inside the placement slot 12, one end of the card block 14 slides into the slot 11 to fix the position of the control block 13.
[0033] A rectangular groove 15 is provided on the lower surface of the control block 13, and two rollers 16 are rotatably arranged inside the rectangular groove 15. The two rollers 16 are arranged inside the lower sliding cavity 9.
[0034] like Figure 1 and Figure 4 When the main body 7 of the air defense door is pushed, the two rollers 16 rotate inside the rectangular groove 15.
[0035] A sliding block 18 is slidably provided at the lower end of the main body 7 of the air-raid shelter door. The sliding block 18 is slidably provided on the outer surface of the lower mounting bracket 8. Grooves 10 are provided on both sides of the main body 7 of the air-raid shelter door. Two protrusions 24 are fixedly provided on the inner side of the sliding block 18. The two protrusions 24 are slidably provided in the two grooves 10 respectively. A limit plate 19 is slidably provided at one end of the sliding block 18. Two positioning bolts 21 are threaded between the sliding block 18 and the limit plate 19.
[0036] like Figure 1 , Figure 3 , Figure 5 and Figure 6 Slide the sliding block 18 to the lower end of the main body 7 of the air defense door, so that the two protrusions 24 slide inside the two grooves 10 respectively. Insert the two positioning bolts 21 into the sliding block 18 and the limiting plate 19, and fix the limiting plate 19 to one end of the sliding block 18.
[0037] Both the sliding block 18 and the limiting plate 19 have a positioning groove 20 at one end. A positioning block 22 is slidably arranged inside the two positioning grooves 20. A pushing block 23 is fixedly arranged on one side of each of the two positioning blocks 22. The two pushing blocks 23 are slidably arranged inside the lower sliding cavity 9.
[0038] like Figure 1 and Figure 6 Two positioning blocks 22 are slidably inserted into the interior of two positioning slots 20, so that two pushing blocks 23 are respectively set at one end of the sliding block 18 and the limiting plate 19, and the two pushing blocks 23 slide on the inside of the lower sliding cavity 9.
[0039] The working principle of the anti-clogging sliding rail type air defense door provided by this utility model is as follows:
[0040] Slide the control block 13 inside the placement slot 12. Insert two mounting bolts 17 into the inside of the air defense door body 7 and the control block 13. Slide the sliding block 18 at the lower end of the air defense door body 7. Place the limiting plate 19 at one end of the sliding block 18. Insert two positioning bolts 21 into the inside of the sliding block 18 and the limiting plate 19 to fix the position between the sliding block 18 and the limiting plate 19. Slide the positioning blocks 22 into the inside of the two positioning slots 20 respectively. Place two pushing blocks 23 at one end of the sliding block 18 and the limiting plate 19 respectively. Start the motor 3. Drive the threaded rod 5 to rotate inside the upper mounting cavity 4 through the output end of the motor 3. Drive the moving block 6 to move through the threaded rod 5, so that the air defense door body 7 slides inside the upper mounting cavity 4 and the lower sliding cavity 9. The movement of the air defense door body 7 drives the two pushing blocks 23 to slide inside the lower sliding cavity 9. Push the garbage out of the lower sliding cavity 9 through the two pushing blocks 23.
[0041] Compared with related technologies, the anti-clogging sliding rail type air defense door provided by this utility model has the following beneficial effects:
[0042] This utility model anti-blocking component includes an upper mounting cavity 4 and a threaded rod 5, etc. The sliding block 18 is slidably set at the lower end of the body 7 of the air defense door. The positioning bolt 21 is threaded into the sliding block 18 and the limiting plate 19. Two pushing blocks 23 are respectively set at one end of the sliding block 18 and the limiting plate 19. The two pushing blocks 23 clean the debris inside the lower sliding cavity 9 to prevent large debris from blocking the bottom of the sliding air defense door, so as to facilitate the smooth movement of the sliding air defense door.
[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A sliding-rail type air-raid shelter door with anti-blocking mechanism, comprising an upper mounting bracket (1) and an anti-blocking component, characterized in that, A fixing frame (2) is fixedly installed at one end of the upper mounting frame (1), and a motor (3) is fixedly installed on the inner side of the fixing frame (2); The anti-blocking component includes an upper mounting cavity (4), which is located on the lower surface of the upper mounting frame (1). A threaded rod (5) is fixedly installed at the output end of the motor (3). The threaded rod (5) is rotatably installed inside the upper mounting cavity (4). A moving block (6) is threaded on the outer surface of the threaded rod (5). A civil defense door body (7) is fixedly installed on the lower surface of the moving block (6). A lower mounting frame (8) is installed at the lower end of the civil defense door body (7). A lower sliding cavity (9) is opened on the upper surface of the lower mounting frame (8). The lower end of the civil defense door body (7) is slidably installed inside the lower sliding cavity (9).
2. The anti-blocking sliding rail type air-raid shelter door according to claim 1, characterized in that, The lower end of the main body (7) of the air defense door is provided with a placement groove (12), and a control block (13) is provided inside the placement groove (12). Two mounting bolts (17) are threaded between the main body (7) of the air defense door and the control block (13).
3. The anti-blocking sliding rail type air-raid shelter door according to claim 2, characterized in that, A locking block (14) is fixedly provided on one side of the control block (13), and a slot (11) is provided inside the placement groove (12). One end of the locking block (14) is slidably disposed inside the slot (11).
4. A sliding-rail type air-raid shelter door with anti-blockage feature according to claim 2, characterized in that, The lower surface of the control block (13) is provided with a rectangular groove (15), and two rollers (16) are rotatably arranged inside the rectangular groove (15). The two rollers (16) are arranged inside the lower sliding cavity (9).
5. A sliding-rail type air-raid shelter door with anti-blockage feature according to claim 1, characterized in that, A sliding block (18) is slidably provided at the lower end of the main body (7) of the air defense door. The sliding block (18) is slidably provided on the outer surface of the lower mounting bracket (8). Grooves (10) are provided on both sides of the main body (7) of the air defense door. Two protrusions (24) are fixedly provided on the inner side of the sliding block (18). The two protrusions (24) are slidably provided in the two grooves (10) respectively. A limiting plate (19) is slidably provided at one end of the sliding block (18). Two positioning bolts (21) are threaded between the sliding block (18) and the limiting plate (19).
6. A sliding-rail type air-raid shelter door with anti-blockage feature according to claim 5, characterized in that, The sliding block (18) and the limiting plate (19) are each provided with a positioning groove (20) at one end. A positioning block (22) is slidably arranged inside the two positioning grooves (20). A pushing block (23) is fixedly arranged on one side of each of the two positioning blocks (22). The two pushing blocks (23) are slidably arranged inside the lower sliding cavity (9).