Automatic push type fire door preventing goods from blocking

Abstract

The utility model belongs to the field of fireproof door, prevent the automatic push goods type fireproof door of goods jam, including door frame, the inside rotatory connection of door frame has the door board, the utility model discloses a push block will periodically push between two door boards when two door boards open for a long time, make the object of jamming two door boards be pushed, and the electric telescopic link starts and closes two door boards, make two door boards be closed, in this way avoid two door boards open for a long time and cannot play the effect of self, make the ringer keep ringing and warn nearby personnel through the constantly drive rotating block swing in the connecting rod moving process, namely can remind the operating personnel to close the door board, also avoid the connecting rod movement leading to push block impact to not been warned personnel, thereby avoid the security risk, through the protection board installation in the front side of protection frame, can protect the electronic element in the protection frame inside, also avoid swing rod movement and hurt nearby personnel accidentally.

Description

Technical Field

[0001] This utility model relates to the field of fire doors, specifically an automatic push-type fire door to prevent goods from blocking the way. Background Technology

[0002] Fire doors are doors that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. They are usually fire-resistant partitions installed in fire compartments, evacuation stairwells, vertical shafts and other places. They are used in buildings to isolate fire sources and play a huge role in fire protection. In the event of a fire, people can get an escape opportunity through fire doors.

[0003] Fire doors in stairwells are usually kept closed, but workers transporting goods may use them for convenience, or even temporarily block them with goods to keep them open for easy passage. However, if a fire breaks out, the fire doors will not function properly, leading to serious consequences. Therefore, an automatic push-type fire door is proposed to prevent goods from blocking the doors. Utility Model Content

[0004] To overcome the shortcomings of existing technologies and avoid safety hazards caused by fire doors not being closed due to blockage, this utility model proposes an automatic push-type fire door to prevent goods from being blocked.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an automatic push-type fireproof door to prevent goods from blocking, including a door frame, a door panel rotatably connected inside the door frame, metal plates fixedly connected to the left and right sides of the top of the door frame, an electric telescopic rod rotatably connected to the front end of the metal plate, a push rod rotatably connected to the front end of the electric telescopic rod, a connecting plate rotatably connected to the front end of the push rod, a control cabinet fixedly connected to the middle of the top front end of the metal plate, a protective component provided at the bottom of the front end of the door panel, a pushing component provided inside the protective component, and a warning component provided on the surface of the pushing component;

[0006] The pushing assembly includes a guide rail fixedly installed at the bottom front end of the door panel. A turntable is rotatably connected to the front end of the door panel above the right side of the guide rail. A swing rod is rotatably connected to the non-center part of the front end of the turntable. A sliding block is slidably connected inside the guide rail. Ball bearings are rolled inside both the upper and lower ends of the sliding block. A connecting rod is fixedly connected to the surface of the sliding block. A push block is fixedly connected to the end of the connecting rod away from the sliding block. Inner grooves are opened on both the upper and lower sides inside the guide rail. Infrared beam tubes are fixedly connected to the interior of the two door panels at their bottom near each other.

[0007] Preferably, the end of the swing rod away from the turntable is rotatably connected to the front end of the sliding block, and the ball is rolled inside the inner groove. When the turntable rotates, it pushes the swing rod, causing the swing rod to push the sliding block to move back and forth left and right inside the guide rail.

[0008] Preferably, the two infrared photodiodes are electrically connected to a microcontroller, which is fixedly connected to the bottom of the front end of the door panel. A motor is fixedly connected to the center of the front end of the door panel, and the motor is fixedly installed at the front end of the door panel. The microcontroller, the motor, and the electric telescopic rod are electrically connected. When the two door panels are opened so that the two infrared photodiodes move away from each other, the infrared photodiodes will drive the motor and the electric telescopic rod through the microcontroller. At this time, the motor will drive the turntable to rotate, causing the push block to push the object blocking the door panel. At the same time, the electric telescopic rod will push the door panel to close.

[0009] Preferably, the protective component includes a protective frame fixedly installed at the bottom front end of the door panel, a protective plate is provided at the front end of the protective frame, a guide groove is provided on the side of the protective frame near the adjacent ends of the two door panels, and a guide plate is fixedly connected inside the protective frame.

[0010] Preferably, the pushing component is located inside the protective frame and the protective plate, the microcontroller is located inside the protective frame, the surface of the protective frame has wire holes, the protective plate and the protective frame are fixedly connected by bolts and nuts, and the protective plate is placed in front of the protective frame to shield and protect the electronic components inside the protective frame.

[0011] Preferably, the connecting rod is slidably connected to the inside of the middle part of the guide plate, and the push block is slidably connected to the inside of the guide groove. After the push block extends out of the guide groove, it can push the object blocking the door panel, thereby preventing the door panel from being blocked and unable to close.

[0012] Preferably, the warning component includes a protrusion fixedly installed at the top of the connecting rod, a groove 1 is formed inside the top of the guide rail, fixing blocks are fixedly connected to both the front and rear sides of the guide rail end face, a connecting rod is fixedly connected between the two fixing blocks, a rotating block is rotatably connected to the surface of the connecting rod, a counterweight is fixedly connected to the top of the rotating block on the side away from the connecting rod, torsion springs are fixedly connected to both the front and rear ends of the rotating block, a second groove is formed inside the rotating block, and a bell is provided inside the second groove.

[0013] Preferably, the end of the rotating block away from the connecting rod is adapted to contact the protrusion, and the end of the torsion spring away from the rotating block is fixedly connected to the surface of the fixed block. When the connecting rod moves, it pushes the protrusion to contact the rotating block, thereby pushing the rotating block to move away from the connecting rod. Afterwards, when the rotating block disengages from the protrusion, it rotates back under the action of the torsion spring's rebound force, thus repeating this process to make the rotating block swing back and forth.

[0014] Preferably, a fixed rod is fixedly connected inside the second groove, and the bell is sleeved on the surface of the fixed rod. During the reciprocating swing of the rotating block, the bell will continuously strike the fixed rod inside the second groove. This causes the bell to sound an alarm to remind nearby operators, which can prompt operators to remove goods blocking the door panel and also prevent the pusher from hitting nearby people and causing danger when moving.

[0015] The advantages of this utility model are:

[0016] This utility model utilizes a pusher block that periodically pushes between the two door panels when they are open for an extended period of time, thereby removing any objects blocking the door panels. Simultaneously, an electric telescopic rod is activated to close the two door panels, thus preventing them from being unable to function properly when left open for an extended period of time.

[0017] By continuously driving the rotating block to swing during the movement of the connecting rod, the bell rings continuously to warn nearby personnel. This not only reminds the operator to close the door, but also prevents the push block from hitting unwarranted personnel when the connecting rod moves, thus avoiding safety hazards.

[0018] By installing a protective plate on the front of the protective frame, the electronic components inside the frame can be protected, and the movement of the swing arm can prevent accidental injury to nearby personnel. Attached Figure Description

[0019] 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, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the disassembly protection plate structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the protective frame of this utility model;

[0023] Figure 4 This is a schematic diagram of the guide rail surface structure of this utility model;

[0024] Figure 5 This is a structural diagram showing the disassembly of the guide rail and sliding block of this utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the warning component of this utility model.

[0026] In the diagram: 11. Door frame; 12. Door panel; 21. Metal plate; 22. Electric telescopic rod; 23. Push rod; 24. Connecting plate; 25. Control cabinet; 3. Protective components; 31. Protective frame; 32. Protective plate; 33. Guide groove; 34. Guide plate; 4. Pushing components; 41. Guide rail; 42. Turntable; 43. Swing rod; 44. Sliding block; 45. Ball bearing; 46. Connecting rod; 47. Push block; 48. Inner groove; 49. Infrared beam tube; 5. Warning components; 51. Protrusion; 52. Groove one; 53. Fixing block; 54. Connecting rod; 55. Rotating block; 56. Counterweight; 57. Torsion spring; 58. Groove two; 59. Bell. Detailed Implementation

[0027] 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 scope of protection of the present utility model.

[0028] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0029] This application discloses an automatic push-type fireproof door for preventing goods from getting stuck. (See also...) Figure 1 An automatic push-type fire door for preventing goods from getting stuck includes a door frame 11, a door panel 12 rotatably connected inside the door frame 11, metal plates 21 fixedly connected to the left and right sides of the top of the door frame 11, an electric telescopic rod 22 rotatably connected to the front end of the metal plate 21, a push rod 23 rotatably connected to the front end of the electric telescopic rod 22, a connecting plate 24 rotatably connected to the front end of the push rod 23, a control cabinet 25 fixedly connected to the middle of the top front end of the metal plate 21, the control cabinet 25 has a built-in power supply and manual control button, a protective component 3 is provided at the bottom of the front end of the door panel 12, a push component 4 is provided inside the protective component 3, and a warning component 5 is provided on the surface of the push component 4;

[0030] Reference Figures 1-5The pushing component 4 includes a guide rail 41 fixedly installed at the bottom front end of the door panel 12. A turntable 42 is rotatably connected to the front end of the door panel 12 above and to the right of the guide rail 41. A swing rod 43 is rotatably connected to the non-center part of the front end of the turntable 42. A sliding block 44 is slidably connected inside the guide rail 41. Ball bearings 45 are rolled inside both the upper and lower ends of the sliding block 44. A connecting rod 46 is fixedly connected to the surface of the sliding block 44. A push block 47 is fixedly connected to the end of the connecting rod 46 away from the sliding block 44. Inner grooves 48 are opened on both the upper and lower sides inside the guide rail 41. The end of the swing rod 43 away from the turntable 42 is rotatably connected to the front end of the sliding block 44. The ball bearings 45 are rolled inside the inner grooves 48. When the turntable 42 rotates, it pushes the swing rod 43, causing the swing rod 43 to push the sliding block 44 on the guide rail 41. The internal movement of the door panels 12 is reciprocating left and right. Infrared photodiodes 49 are fixedly connected to the bottom of the two door panels 12. The two infrared photodiodes 49 are electrically connected to a microcontroller. The microcontroller is fixedly connected to the bottom of the front end of the door panel 12. The microcontroller can preset the judgment delay time of abnormal signals of the infrared photodiodes 49. A motor is fixedly connected to the center of the front end of the door panel 12. The motor is fixedly installed at the front end of the door panel 12. The microcontroller, the motor, and the electric telescopic rod 22 are electrically connected. When the two door panels 12 are opened and the two infrared photodiodes 49 are moved away from each other, the infrared photodiodes 49 will drive the motor and the electric telescopic rod 22 through the microcontroller. At this time, the motor will drive the turntable 42 to rotate, causing the push block 47 to push the object blocking the door panel 12. At the same time, the electric telescopic rod 22 will push the door panel 12 to close.

[0031] Reference Figure 3 The protective component 3 includes a protective frame 31 fixedly installed at the bottom front end of the door panel 12. A protective plate 32 is provided at the front end of the protective frame 31. A guide groove 33 is provided on the side of the protective frame 31 near the adjacent ends of the two door panels 12. A guide plate 34 is fixedly connected inside the protective frame 31. The push component 4 is located inside the protective frame 31 and the protective plate 32. A microcontroller is located inside the protective frame 31. A wire hole is provided on the surface of the protective frame 31. The protective plate 32 and the protective frame 31 are fixedly connected by bolts and nuts. After the protective plate 32 is placed in front of the protective frame 31, it can shield and protect the electronic components inside the protective frame 31. A connecting rod 46 is slidably connected inside the middle part of the guide plate 34. A push block 47 is adapted and slidably connected inside the guide groove 33. After the push block 47 extends out of the guide groove 33, it can push the object blocking the door panel 12, thereby preventing the door panel 12 from being blocked and unable to close.

[0032] Reference Figures 4-6The warning component 5 includes a protrusion 51 fixedly installed on the top of the connecting rod 46. A groove 52 is provided inside the top of the guide rail 41 to accommodate the protrusion 51 and prevent interference between the protrusion and the guide rail 41 during movement. Fixing blocks 53 are fixedly connected to both the front and rear sides of the end face of the guide rail 41. A connecting rod 54 is fixedly connected between the two fixing blocks 53. A rotating block 55 is rotatably connected to the surface of the connecting rod 54. A counterweight 56 ​​is fixedly connected to the top of the rotating block 55 on the side away from the connecting rod 54. Torsion springs 57 are fixedly connected to both the front and rear ends of the rotating block 55. The end of the rotating block 55 away from the connecting rod 54 is adapted to contact the protrusion 51, and the torsion spring 57 is located away from the connecting rod 54. One end of the rotating block 55 is fixedly connected to the surface of the fixed block 53. When the connecting rod 46 moves, it pushes the protrusion 51 to contact the rotating block 55, thereby pushing the rotating block 55 to move away from the connecting rod 46. After the rotating block 55 disengages from the protrusion 51, it rotates back under the action of the torsion spring 57. This reciprocating motion causes the rotating block 55 to swing back and forth. The rotating block 55 has a second groove 58 inside, and a bell 59 is installed inside the second groove 58. A fixed rod is fixedly connected inside the second groove 58, and the bell 59 is sleeved on the surface of the fixed rod. During the reciprocating swing of the rotating block 55, the bell 59 will continuously hit the fixed rod inside the second groove 58. This causes the bell 59 to sound an alarm to remind nearby operators, which can prompt operators to remove the goods blocking the door panel 12 and also prevent the pusher block 47 from hitting nearby personnel and causing danger when it moves.

[0033] Working principle: When the door panel 12 inside the door frame 11 is in a normally closed state, the two infrared photodiodes 49 are aligned with each other, and the infrared light forms a closed loop. The microcontroller installed in the protective frame 31 receives the "door closed" signal. At this time, the electric telescopic rod 22, the push assembly 4 and other actuators are all in a dormant state. If the staff opens the door panel 12 to transport goods, or blocks the door panel 12 with goods to keep it open, the two infrared photodiodes 49 separate from the door panel 12, and the infrared light is blocked. The microcontroller detects the "abnormal door opening" signal. If this abnormal state continues for more than a preset time, which can be adjusted by the microcontroller to 30 seconds, the microcontroller determines that the door panel 12 is abnormally blocked and then starts the subsequent actions.

[0034] At this time, the microcontroller first sends a start signal to the motor at the rear of the door panel 12. The motor drives the turntable 42 to rotate clockwise. At this time, the swing rod 43 connected to the non-center of the turntable 42 rotates with the turntable 42, which in turn pushes the sliding block 44 to slide horizontally along the guide rail 41. Since the balls 45 at the upper and lower ends of the sliding block 44 are embedded in the inner groove 48 inside the guide rail 41, the sliding friction is converted into rolling friction, thereby reducing the moving resistance. When the sliding block 44 slides, it drives the connecting rod 46 on the surface to move synchronously. The connecting rod 46 maintains a stable direction along the middle channel of the guide plate 34, and finally pushes the push block 47 to extend out from the guide groove 33 of the protective frame 31, directly acting on the goods blocking the door panel 12. The horizontal pushing force pushes the goods away from the door panel 12. If the goods are heavy, the turntable 42 continues to rotate, which can drive the sliding block 44 and the push block 47 to complete the reciprocating action of extending and retracting. The work of clearing the blockage is completed by pushing repeatedly.

[0035] Simultaneously with the activation of the sliding block 44, the microcontroller sends a signal to the electric telescopic rod 22, which retracts, pulling the push rod 23 to rotate around its front end. The push rod 23, through the connecting plate 24, drives the door panel 12 to rotate towards the door frame 11. When the door panel 12 is fully closed, the infrared photodiode 49 resumes its closed-loop infrared transmission, and the microcontroller controls the electric telescopic rod 22 to stop moving. The door panel 12 remains normally closed thanks to its own door closer.

[0036] Furthermore, when the connecting rod 46 moves, the protrusion 51 at its top will synchronously push the rotating block 55 to rotate around the connecting rod 54. The torsion springs 57 at both ends of the rotating block 55 are twisted and store elastic potential energy. As the connecting rod 46 continues to move, the rotating block 55 continuously contacts and moves away from multiple protrusions 51. At this time, the torsion springs 57 will periodically release their elastic force, causing the rotating block 55 to rotate back to its original position. During the reciprocating swing of the rotating block 55, the bell 59 in the groove 2 58 will continuously strike the fixed rod, thereby emitting a warning sound, which not only reminds the operator to move the goods in time, but also prevents the push block 47 from suddenly extending and hitting nearby personnel.

[0037] The protective frame 31 and the protective plate 32 form a closed space to enclose the pushing component 4, the microcontroller and the wires, preventing damage to the components when transporting goods. The protective plate 32 is fixed with bolts and nuts, and can be easily inspected after disassembly.

[0038] 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. An automatic push-type fireproof door for preventing goods from blocking, comprising a door frame (11), wherein a door panel (12) is rotatably connected inside the door frame (11), characterized in that: Metal plates (21) are fixedly connected to the left and right sides of the top of the door frame (11). An electric telescopic rod (22) is rotatably connected to the front end of the metal plate (21). A push rod (23) is rotatably connected to the front end of the electric telescopic rod (22). A connecting plate (24) is rotatably connected to the front end of the push rod (23). A control cabinet (25) is fixedly connected to the middle of the front end of the top of the metal plate (21). A protective component (3) is provided at the bottom of the front end of the door panel (12). A pushing component (4) is provided inside the protective component (3). A warning component (5) is provided on the surface of the pushing component (4). The pushing component (4) includes a guide rail (41) fixedly installed at the bottom front end of the door panel (12). A turntable (42) is rotatably connected above the right side of the guide rail (41) at the front end of the door panel (12). A swing rod (43) is rotatably connected at the non-center position of the front end of the turntable (42). A sliding block (44) is slidably connected inside the guide rail (41). Ball bearings (45) are rolled inside both the upper and lower ends of the sliding block (44). A connecting rod (46) is fixedly connected to the surface of the sliding block (44). A push block (47) is fixedly connected to the end of the connecting rod (46) away from the sliding block (44). Inner grooves (48) are opened on both the upper and lower sides inside the guide rail (41). Infrared beam tubes (49) are fixedly connected inside the bottom of the two door panels (12) at their close ends.

2. The automatic push-type fireproof door for preventing cargo blockage according to claim 1, characterized in that: The end of the swing rod (43) away from the turntable (42) is rotatably connected to the front end of the sliding block (44), and the ball (45) is rotatably connected to the inside of the inner groove (48).

3. The automatic push-type fireproof door for preventing cargo blockage according to claim 1, characterized in that: The two infrared photodiodes (49) are electrically connected to a microcontroller, which is fixedly connected to the bottom of the front end of the door panel (12). A motor is fixedly connected to the center of the front end of the door panel (12), and the motor is fixedly installed at the front end of the door panel (12). The microcontroller, the motor, and the electric telescopic rod (22) are electrically connected.

4. The automatic push-type fireproof door for preventing cargo blockage according to claim 3, characterized in that: The protective component (3) includes a protective frame (31) fixedly installed at the bottom of the front end of the door panel (12). A protective plate (32) is provided at the front end of the protective frame (31). A guide groove (33) is provided on the side of the protective frame (31) near the adjacent ends of the two door panels (12). A guide plate (34) is fixedly connected inside the protective frame (31).

5. The automatic push-type fireproof door for preventing cargo blockage according to claim 4, characterized in that: The pushing component (4) is located inside the protective frame (31) and the protective plate (32). The microcontroller is located inside the protective frame (31). The surface of the protective frame (31) is provided with wire holes. The protective plate (32) and the protective frame (31) are fixedly connected by bolts and nuts.

6. The automatic push-type fireproof door for preventing cargo blockage according to claim 5, characterized in that: The connecting rod (46) is slidably connected to the inside of the middle part of the guide plate (34), and the push block (47) is adapted to be slidably connected to the inside of the guide groove (33).

7. The automatic push-type fireproof door for preventing cargo blockage according to claim 1, characterized in that: The warning component (5) includes a protrusion (51) fixedly installed on the top of the connecting rod (46). A groove (52) is provided inside the top of the guide rail (41). Fixing blocks (53) are fixedly connected to both the front and rear sides of the end face of the guide rail (41). A connecting rod (54) is fixedly connected between the two fixing blocks (53). A rotating block (55) is rotatably connected to the surface of the connecting rod (54). A counterweight block (56) is fixedly connected to the top of the rotating block (55) on the side away from the connecting rod (54). Torsion springs (57) are fixedly connected to both the front and rear ends of the rotating block (55). A groove (58) is provided inside the rotating block (55). A bell (59) is provided inside the groove (58).

8. The automatic push-type fireproof door for preventing cargo blockage according to claim 7, characterized in that: The end of the rotating block (55) away from the connecting rod (54) is adapted to contact the protrusion (51), and the end of the torsion spring (57) away from the rotating block (55) is fixedly connected to the surface of the fixed block (53).

9. The automatic push-type fireproof door for preventing cargo blockage according to claim 7, characterized in that: A fixing rod is fixedly connected inside the second groove (58), and the bell (59) is sleeved on the surface of the fixing rod.

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