An emergency quick opening door suitable for a cell

Abstract

This utility model discloses an emergency quick-opening door suitable for residential communities, relating to the field of quick-opening door technology. It includes a door frame, with a first door leaf and a second door leaf rotatably mounted inside the frame. A door closer is provided between the first door leaf and the door frame. The first door leaf has a latch mechanism, and the second door leaf has a locking mechanism corresponding to the latch mechanism. The latch mechanism includes a first latch box and a second latch box located on the inner and outer sides of the first door leaf. A latch tongue is elastically provided inside the first latch box. The first and second latch boxes are respectively provided with a first handle and a second handle for driving the latch tongue. The locking mechanism includes a base, with a connecting plate on the base. Two claws are symmetrically hinged at both ends of the connecting plate, with a tension spring between the two claws. One end of each claw has a groove, and both sides of the groove have a limiting plate and a hook. A guide portion is provided on the hook. This utility model reduces the quick-opening door's dependence on electricity, allowing it to function normally after a power outage.

Description

Technical Field

[0001] This utility model relates to the field of quick-opening door technology, and in particular to an emergency quick-opening door suitable for residential communities. Background Technology

[0002] Community quick-opening gates can be roughly divided into two categories. One type is the gate located at the main entrance of the community for large vehicles to pass through, which is also known as a fence gate. This type of gate is generally driven by a motor and belt at one end to open and close the entire gate like a guillotine. The other type is the unit door located at the entrance of the unit. This type of door is generally opened and closed by an electromagnet in conjunction with a door closer.

[0003] Both types of doors are very convenient and stylish to open and close, conforming to the mainstream of current design. However, both types of doors also have the same drawback: they rely on electric power to open and close. Taking the unit door as an example, when the power is off, the electromagnet will lose its attraction to the unit door. At this time, if it is windy, the unit door will lose its windproof function and be blown and hit by the wind. Therefore, the existing quick-opening doors rely too much on electricity to open and close and cannot function normally when the power is off.

[0004] Therefore, there is an urgent need for an emergency quick-opening door suitable for residential communities to reduce dependence on electricity and enable it to function even in the event of a power outage. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides an emergency quick-opening door suitable for residential communities, which solves the problem that existing quick-opening doors rely excessively on electricity for opening and closing and cannot function properly in the event of a power outage.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: An emergency quick-opening door suitable for residential communities includes a base and a door frame. A first door leaf and a second door leaf are rotatably arranged inside the door frame. A door closer is provided between the first door leaf and the door frame. A bolt mechanism is provided on the first door leaf. A locking mechanism is provided on the second door leaf at the position corresponding to the bolt mechanism. The bolt mechanism includes a first bolt box and a second bolt box located on the inner and outer sides of the first door leaf. A latch is elastically provided in the first bolt box. A first handle and a second handle for driving the latch movement are respectively provided on the first bolt box and the second bolt box. The locking mechanism includes a base, on which a connecting plate is provided. Two claws are symmetrically hinged at both ends of the connecting plate. A tension spring is provided between the two claws. One end of each claw is provided with a groove for accommodating the locking tongue. A limiting plate and a hook are respectively provided on both sides of the groove. The hook head is provided with a guide for the locking tongue to enter the slot; When the first door is opened, the latch moves in a straight line; when the first door is closed, the latch moves in an arc.

[0007] Furthermore, both the first handle and the second handle have an m-shaped structure.

[0008] Furthermore, the first handle includes a first drive post and first guide posts disposed at both ends of the first drive post. The first pin box is provided with a first guide groove along the sliding direction of the latch corresponding to the position of the first guide post, and the first pin box is provided with a first stroke hole corresponding to the movement path of the first drive post.

[0009] Furthermore, the second handle includes a second drive column and second guide columns disposed at both ends of the second drive column. The second pin box is provided with a second guide groove corresponding to the position of the second guide column, and the second pin box is provided with a second stroke hole corresponding to the movement path of the second drive column.

[0010] Furthermore, the second guide post is provided with a supporting guide piece within the second guide groove.

[0011] Furthermore, the claw is provided with at least one adjustment hole along its length, and a hanging post is threaded into the adjustment hole, with the tension spring hanging on the hanging post.

[0012] Furthermore, a graphite block is provided at the bottom of the card slot.

[0013] Furthermore, the first latch box is provided with at least one elastic element.

[0014] Furthermore, the first door leaf is provided with a sliding hole corresponding to the movement path of the second handle, and the second handle is connected to the latch through the sliding hole.

[0015] In summary, the beneficial technical effects of this utility model are as follows: (1) When closing the first door leaf, the two symmetrically arranged claws are separated and inserted into the slot by the circular motion of the latch. The latch is clamped by the tension spring on the claw. When opening the first door leaf, the latch can be pulled out from the slot by the first handle or the second handle. The first door leaf is completed by the cooperation of the mechanical structure throughout the entire operation process, without the need for power intervention. This greatly reduces the dependence of existing quick-opening doors on power and enables normal use in the event of power failure or no power.

[0016] (2) By using the support guide plate on the second guide column, the stability of the second handle during movement and the structural robustness are improved, and the problem of the second drive column tilting due to the length problem is prevented.

[0017] (3) By using graphite blocks in the slot, the friction between the locking tongue and the slot is reduced when the locking tongue is pulled, making it smoother. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 yes Figure 1 A diagram from another angle; Figure 3 This is a schematic diagram of the latch mechanism; Figure 4 This is a schematic diagram of the internal structure of the first latch box; Figure 5 This is a structural diagram of the second latch box; Figure 6 This is a schematic diagram of the locking mechanism; Figure 7 This is a schematic diagram showing the connection between the first drive column, the second drive column, and the locking tongue; Figure 8 This is a schematic diagram showing the engagement of the locking tongue and the locking claw; Figure 9 This is a schematic diagram of the buffer block structure.

[0019] Reference numerals: 1. Door frame; 2. First door leaf; 3. Second door leaf; 4. Door closer; 5. Bolt mechanism; 6. Locking mechanism; 7. First bolt box; 8. Second bolt box; 9. First drive column; 10. Second drive column; 11. First guide column; 12. Second guide column; 13. Lock tongue; 14. Spring; 15. Base; 16. Connecting plate; 17. Claw; 18. Slot; 19. Limiting plate; 20. Hook; 21. Guide part; 22. Graphite block; 23. Adjustment hole; 24. Hanging post; 25. Tension spring; 26. First guide groove; 27. Second guide groove; 28. Support guide plate; 29. ​​Buffer block; 30. Magnetic block. Detailed Implementation

[0020] The present invention will now be described clearly and completely with reference to the embodiments.

[0021] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0022] In the description of the embodiments, unless otherwise expressly specified and limited, the terms "set," "connect," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] See appendix Figure 1-8 The image shows an emergency quick-opening door suitable for residential communities, including a door frame 1 and a first door leaf 2 and a second door leaf 3 that are rotatably installed inside the door frame 1. The door frame 1 is made of carbon steel, and a door closer 4 is provided between the door frame 1 and the first door leaf 2. The door closer 4 is a commercially available product, and its specific structure will not be described in detail here. Under normal circumstances, only the first door leaf 2 is opened and closed for residents to enter and exit, while the second door leaf 3 is in a closed state. A bolt mechanism 5 is horizontally provided on one side of the first door leaf 2, and a locking mechanism 6 is provided on the second door leaf 3 at the position corresponding to the bolt mechanism 5. The bolt mechanism 5 includes a first bolt box 7 and a second bolt box 8 located on the inner and outer sides of the first door leaf 2. A rectangular latch 13 is horizontally provided in the first bolt box 7, and multiple springs 14 are provided in the first bolt box 7 through sleeve posts. The springs 14 are compression springs and provide outward elastic force to the latch 13. At the same time, a first handle is provided on the first bolt box 7 along the movement path of the latch 13. The first handle includes a first drive that is fixedly connected to the latch 13. The first drive column 9 has two first guide columns 11 at its two ends. The first handle is formed by the first drive column 9 and the two first guide columns 11 to form an M-shaped structure. The first pin box 7 is provided with a first stroke hole corresponding to the position of the first drive column 9. When in use, the resident holds the first handle and pulls the lock tongue 13 in a straight line along the first stroke hole. At the same time, the first pin box 7 is provided with a first guide groove 26 corresponding to the position of the first guide column 11. One end of the first guide column 11 is placed in the first guide groove 26. When the lock tongue 13 is pulled, the first guide groove 26 and the first guide column 11 provide the stability of the first handle's movement. Furthermore, the second latch box 8 is provided with a second handle, the structure of which is the same as the first handle, both being M-shaped. The second handle includes a second drive post 10 connected to the latch 13 and second guide posts 12 disposed at both ends of the second drive post 10. When the second drive post 10 is connected to the latch 13, an clearance hole is provided at the corresponding position of the first door leaf 2. The length of the clearance hole is the same as the first travel hole. The second latch box 8 is provided with a second guide groove 27 at the position corresponding to the second guide post 12, and a support guide piece 28 is provided at one end of the second guide post 12 located in the second guide groove 27. When the resident opens the first door leaf 2 from the outside, the latch 13 can be pulled horizontally by the second handle. At this time, due to the length of the second drive post 10, the support guide piece 28 can play a normal guiding role on the one hand, and also play an anti-tilting support role for the entire second handle, ensuring that the second handle can stably pull the latch 13. Furthermore, the locking mechanism 6 includes a base 15 connected to the second door leaf 3, wherein two connecting plates 16 are provided in parallel on the base 15, and two claws 17 are symmetrically hinged at both ends of the connecting plates 16. One end of the claw 17 is provided with a groove 18 that can accommodate the thickness of the latch 13. Limiting plates 19 and hooks 20 are provided on both sides of the groove 18, and a guide part 21 is provided on one side of the hook 20. The maximum distance between the two guide parts 21 is greater than the width of the latch 13, ensuring that the latch 13 can be properly engaged in the groove 18. Furthermore, multiple adjustment holes 23 are provided on the claw 17 along its length. The adjustment holes 23 are internally threaded with hook posts 24, and a tension spring 25 is hooked between two hook posts 24. When the locking tongue 13 is inserted into the slot 18, the tension spring provides a pulling force to bring the two claws 17 closer to each other, thereby clamping the locking tongue 13 firmly. In addition, the position of the tension spring 25 can be adjusted through the multiple adjustment holes 23 to change the pulling force on the two claws 17 when they open outward. Furthermore, in order to smoothly pull the latch 13 out of the slot 18 when opening the first door leaf 2, a graphite block 22 is fixedly provided at the bottom of each slot 18. The graphite block 22 reduces the friction between the latch 13 and the slot 18, making the latch 13 move more smoothly. Furthermore, in order to limit the clamping force of the two claws 17 on the locking tongue 13 from being too large and hindering smooth withdrawal, when the two limiting plates 19 abut against each other, the two claws 17 are in a horizontal state. At this time, the clamping force of the claws 17 on the locking tongue 13 reaches the optimal level, and the two claws 17 cannot get any closer. Further details can be found in the appendix. Figure 9As shown, in order to facilitate the smooth passage of shopping carts or strollers used by residents through the door frame 1, buffer blocks 29 with right-angled triangle structures are provided on both sides of the bottom edge of the door frame 1. In order to improve the stability between the buffer block 29 and the door frame 1, a magnetic block 30 is embedded in the side of the buffer block 29 closest to the door frame 1. The buffer block 29 is fixed to the door frame 1 by the attraction between the magnetic block 30 and the door frame 1.

[0024] When the first door leaf 2 is opened, the resident can pull the first handle from the inside of the first door leaf 2 or pull the second handle from the outside to pull the latch 13 horizontally along the first travel hole and pull it out from the slot 18 of the two claws 17. At this time, the first door leaf 2 is opened. When the first door leaf 2 is closed, the latch 13 extends outward under the action of the spring 14 in the first bolt box 7, and the first door leaf 2 moves in an arc under the action of the door closer 4. When the latch 13 rotates between the two claws, under the action of the door closer 4, the latch 13 opens the two claws 17 through the guide part 21 on the claws 17 until the latch 13 is inserted into the slot 18. After the latch 13 enters the slot 18, the two claws 17 approach each other under the action of the tension spring 25 until the two limit plates 19 abut against each other. In summary, by setting a latch mechanism 5 on the first door leaf 2 and a locking mechanism 6 on the second door leaf 3, normal use in the absence of electricity is achieved through a purely mechanical method, reducing dependence on electricity.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape and principle of the present utility model should be included within the scope of protection of the present utility model.

Claims

1. An emergency quick-opening door suitable for residential communities, comprising a door frame (1), wherein a first door leaf (2) and a second door leaf (3) are rotatably disposed within the door frame (1), a door closer (4) is disposed between the first door leaf (2) and the door frame (1), a latch mechanism (5) is disposed on the first door leaf (2), and a locking mechanism (6) is disposed on the second door leaf (3) corresponding to the position of the latch mechanism (5), characterized in that: The latch mechanism (5) includes a first latch box (7) and a second latch box (8) located on the inner and outer sides of the first door leaf (2). The first latch box (7) is elastically provided with a latch tongue (13). The first latch box (7) and the second latch box (8) are respectively provided with a first handle and a second handle for driving the latch tongue (13) to move. The locking mechanism (6) includes a base (15), a connecting plate (16) is provided on the base (15), two claws (17) are symmetrically hinged at both ends of the connecting plate (16), a tension spring (25) is provided between the two claws (17), a slot (18) for accommodating the locking tongue (13) is provided at one end of the claw (17), and a limiting plate (19) and a hook (20) are respectively provided on both sides of the slot (18). The hook (20) is provided with a guide (21) for the locking tongue (13) to enter the slot (18); When the first door leaf (2) is opened, the latch (13) moves in a straight line, and when the first door leaf (2) is closed, the latch (13) moves in an arc.

2. The emergency quick-opening door suitable for residential communities according to claim 1, characterized in that: Both the first handle and the second handle have an m-shaped structure.

3. The emergency quick-opening door suitable for residential communities according to claim 1, characterized in that: The first handle includes a first drive post (9) and a first guide post (11) disposed at both ends of the first drive post (9). The first pin box (7) is provided with a first guide groove (26) along the sliding direction of the latch (13) at the position corresponding to the first guide post (11). The first pin box (7) is provided with a first stroke hole corresponding to the movement path of the first drive post (9).

4. The emergency quick-opening door suitable for residential communities according to claim 1, characterized in that: The second handle includes a second drive column (10) and a second guide column (12) disposed at both ends of the second drive column (10). The second pin box (8) is provided with a second guide groove (27) corresponding to the position of the second guide column (12). The second pin box (8) is provided with a second stroke hole corresponding to the movement path of the second drive column (10).

5. An emergency quick-opening door suitable for residential communities according to claim 4, characterized in that: The second guide post (12) is located in the second guide groove (27) and is provided with a supporting guide piece (28).

6. An emergency quick-opening door suitable for residential communities according to claim 1, characterized in that: The claw (17) has at least one adjustment hole (23) along its length, and the adjustment hole (23) is internally threaded with a hanging post (24), and the tension spring (25) is hooked onto the hanging post (24).

7. An emergency quick-opening door suitable for residential communities according to claim 1, characterized in that: The bottom of the slot (18) is provided with a graphite block (22).

8. An emergency quick-opening door suitable for residential communities according to claim 1, characterized in that: The first latch box (7) is provided with at least one elastic element.

9. An emergency quick-opening door suitable for residential communities according to claim 1, characterized in that: The first door leaf (2) has a sliding hole corresponding to the movement path of the second handle, and the second handle is connected to the lock tongue (13) through the sliding hole.

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