Adjustable smoke separation curtain

By designing adjustable smoke barriers, the combination of telescopic frames and fireproof curtains solves the problems of smoke spreading and increasing fire during fire, achieving smoke protection effect adapted to door frames of different sizes, and improving the safety of the fire site sex.

CN222253716UActive Publication Date: 2024-12-27LIDONG FIRE EQUIPMENT (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202421037133.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2024-12-27
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

In the event of a fire, the opening of the fire door causes the spread of smoke, affecting the safety of the rescue passage, and may increase the fire. The prior art is difficult to effectively prevent the spread of smoke and adapt to door frames of different sizes.

Method used

An adjustable smoke barrier is designed, including a telescopic frame and fireproof cloth curtain, which enables adjustability and stable installation of the curtain through sliding connection and locking components, adapts to door frames of different sizes, and is buckled or magic. Quick disassembly and install.

Benefits of technology

Effectively prevent smoke from spreading, avoid increasing fire, ensure safety of evacuation passages, and be installed on door frames of various sizes, improving the safety of the fire site.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable smoke separation curtain, and relates to the technical field of fire-fighting instruments. The fireproof door comprises a telescopic frame body and a fireproof cloth curtain, wherein the fireproof cloth curtain is detachably mounted on the telescopic frame body; the telescopic frame body comprises a left frame body, a right frame body and a locking assembly, the left frame body and the right frame body are connected in a sliding mode, the relative distance between the left frame body and the right frame body can be adjusted, and the locking assembly is arranged between the left frame body and the right frame body so as to lock the relative distance between the left frame body and the right frame body. The left frame body comprises a first cross rod and a first vertical rod; the right frame body comprises a second cross rod and a second vertical rod; the first cross rod is in sliding connection with the second cross rod. The technical scheme has the advantages of preventing smoke from spreading, avoiding fire increase and being adjustable to adapt to door frames of different sizes.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to an adjustable smoke-proof curtain. Background Art

[0002] Fireproof roller shutters and fireproof doors, as functional building fireproof components in the field of fire safety, have been widely used in building fire partitions and fire separations in elevator antechambers, stairwells, and evacuation corridors to prevent the spread of fire.

[0003] When a fire occurs, firefighters need to open the fire doors in a short time to pass through the fire zone or enter the flame zone for a short time to rescue people, save valuable materials, close combustible gas valves, etc. When the fire doors are opened, the smoke from the building fire will quickly spread out from the fire doors, affecting the safety of the rescue passage; at the same time, it will also cause a large amount of air to flow into the fire zone, causing the fire to increase and causing greater harm. Utility Model Content

[0004] The utility model aims to provide an adjustable smoke curtain to address the defects and shortcomings of the prior art, which has the advantages of preventing smoke from spreading, avoiding the increase of fire, and being adjustable to adapt to door frames of different sizes.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: an adjustable smoke screen, comprising:

[0006] A telescopic frame and a fireproof curtain, wherein the fireproof curtain is detachably mounted on the telescopic frame;

[0007] The telescopic frame includes: a left frame, a right frame and a locking assembly. The left frame and the right frame are slidably connected to adjust the relative distance between the left frame and the right frame. The locking assembly is arranged between the left frame and the right frame to lock the relative distance between the left frame and the right frame.

[0008] The utility model is further arranged that the left frame comprises: a first cross bar and a first vertical bar; the right frame comprises: a second cross bar and a second vertical bar; the first cross bar is slidably connected with the second cross bar.

[0009] The utility model is further configured that the locking assembly is configured as a locking support rod located between the left frame and the right frame, one end of the locking support rod is connected to the first vertical rod, and the other end is connected to the second vertical rod to support and lock the relative distance between the first vertical rod and the second vertical rod.

[0010] The utility model further provides that the locking support rod includes: a first support rod connected to the first vertical rod, and a second support rod connected to the second vertical rod; the first support rod and the first support rod are slidably connected, and a locking piece is provided between the first support rod and the first support rod.

[0011] The utility model is further configured that the first support rod is inserted into the second support rod and can slide left and right relative to the second support rod;

[0012] One end of the locking piece is fixed on the outer peripheral side of the second support rod away from one end of the second vertical rod, and the other end is provided with a locking hole for the first support rod to pass through so as to be plugged into the inner side of the second support rod. A locking cavity is provided in the middle of the locking piece, and a locking ring and a locking spring are provided in the locking cavity. An insertion hole is provided at the bottom of the locking cavity, and the locking ring is plugged into the insertion hole. The locking spring is provided on the left or right side of the locking ring to push the locking ring to tilt to clamp the first support rod inside the locking ring, thereby realizing sliding locking between the first support rod and the second support rod.

[0013] The utility model is further arranged that a side of the locking ring above the locking member away from the locking spring is also provided with an unlocking groove for facilitating the pulling of the locking ring to achieve unlocking.

[0014] The utility model is further configured that the first support rod includes: a screw rod connected to the first vertical rod and a first cylinder body, and the inside of the first cylinder body is provided with an internal thread that cooperates with the screw rod to achieve the connection between the screw rod and the first cylinder body, and the overall length of the first support rod can be adjusted.

[0015] The utility model is further configured that the screw rod is hinged to the first vertical rod so that the screw rod can rotate within the plane where the telescopic frame is located;

[0016] The second support rod includes: a connecting head and a second cylinder, the connecting head is rotatably connected to the second cylinder so that the second cylinder can rotate around its own axis, and the connecting head is hinged to the second vertical rod so that the connecting head can rotate within the plane where the telescopic frame is located.

[0017] The utility model is further arranged that the fireproof cloth curtain is detachably mounted on the telescopic frame by means of buckles or Velcro.

[0018] The utility model is further provided that the fireproof curtain is also provided with an indication mark.

[0019] After adopting the above technical solution, the beneficial effects of the utility model are:

[0020] 1. In the utility model, the telescopic frame is used to be clamped on the inner side of the door frame, and the fireproof curtain can be detachably installed on the telescopic frame. The fireproof curtain can prevent the smoke inside the door from spreading outward and affecting the safety of the evacuation passage, and at the same time, it can prevent air from entering the door and causing the fire to increase. A buckle is provided on the telescopic frame, and the fireproof curtain is clamped on the telescopic frame to realize the detachable installation of the fireproof curtain. Its installation structure is simple and fast, and it is more convenient to use in emergency situations.

[0021] 2. In the utility model, the telescopic frame includes: a left frame and a right frame, the left frame and the right frame are slidably connected, and the relative distance between the left frame and the right frame can be adjusted to change the width of the telescopic frame to adapt to door frames of different sizes, and the installation of the smoke-proof door stop can be realized by snapping into the inner side of the door frame. Especially at the fire scene, the telescopic frame has high compatibility and can be installed on door frames of various sizes to ensure the installation and use of the smoke curtain to achieve a good smoke-proof effect and avoid the occurrence of safety accidents at the fire scene. A locking assembly is also provided between the left frame and the right frame to lock the left frame and the right frame to prevent the left frame and the right frame from sliding relative to each other after the telescopic frame is installed, thereby preventing the installation stability of the telescopic frame and ensuring a good installation effect of the telescopic frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the utility model from another perspective;

[0025] Figure 3 It is a schematic diagram of the structure explosion of the utility model;

[0026] Figure 4 It is a schematic diagram of the structure explosion of the telescopic frame of the utility model;

[0027] Figure 5 It is a schematic diagram of the structure explosion of the locking support rod of the utility model;

[0028] Figure 6 It is a structural schematic diagram of the locking member of the utility model;

[0029] Figure 7 It is a schematic diagram of the structural explosion of the locking member of the utility model.

[0030] Explanation of the accompanying drawings: 100, telescopic frame; 200, fireproof curtain; 110, left frame; 120, right frame; 111, first horizontal bar; 112, first vertical bar; 121, second horizontal bar; 122, second vertical bar; 300, locking support rod; 310, first support rod; 320, second support rod; 330, locking piece; 331, locking hole; 332, locking cavity; 333, locking ring; 334, locking spring; 335, plug-in hole; 336, unlocking groove; 311, screw; 312, first cylinder; 321, connector; 322, second cylinder; 400, buckle; 410, indicator mark. DETAILED DESCRIPTION

[0031] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0032] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0033] This embodiment relates to an adjustable smoke curtain, such as Figure 1-7 As shown, it includes: a telescopic frame 100 and a fireproof curtain 200.

[0034] The telescopic frame 100 is used to be clamped on the inner side of the door frame, and the fireproof curtain 200 is detachably mounted on the telescopic frame 100. The fireproof curtain 200 can prevent the smoke from spreading outwards and affecting the safety of the evacuation passage. At the same time, it can prevent air from entering the door and causing the fire to increase. In this embodiment, a buckle 400 is provided on the telescopic frame 100, and the fireproof curtain 200 is detachably mounted on the telescopic frame 100 by the buckle 400, so as to realize the detachable installation of the fireproof curtain 200. Its installation structure is simple and fast, and it is more convenient to use in emergency situations. Of course, in other embodiments, the fireproof curtain 200 can also be detachably mounted on the telescopic frame 100 by other structures, such as: mounted on the telescopic frame 100 by Velcro, which is convenient for the rapid disassembly and assembly of the fireproof curtain 200. As a preferred solution, an indicator mark 410 is also provided on the fireproof curtain 200 to facilitate the identification of trapped persons or firefighters and safe evacuation.

[0035] Among them, the telescopic frame 100 includes: a left frame 110 and a right frame 120, the left frame 110 and the right frame 120 are slidably connected, and the relative distance between the left frame 110 and the right frame 120 can be adjusted to change the width of the telescopic frame 100 to adapt to door frames of different sizes, and the installation of the smoke-proof door stop is realized by being stuck to the inner side of the door frame. Especially at the fire scene, the telescopic frame 100 has high compatibility and can be installed on door frames of various sizes to ensure the installation and use of the smoke curtain to achieve a good smoke-proof effect and avoid the occurrence of safety accidents at the fire scene. A locking assembly is also provided between the left frame 110 and the right frame 120 for locking the left frame 110 and the right frame 120 to avoid relative sliding of the left frame 110 and the right frame 120 after the telescopic frame 100 is installed, thereby affecting the installation stability of the telescopic frame 100 and ensuring a good installation effect of the telescopic frame 100.

[0036] In this embodiment, the left frame 110 includes: a first cross bar 111 and a first vertical bar 112; the right frame 120 includes: a second cross bar 121 and a second vertical bar 122; the first cross bar 111 and the second cross bar 121 are slidably connected, so as to achieve shell adjustment of the relative distance between the left frame 110 and the right frame 120. The first vertical bar 112 and the second vertical bar 122 can make the telescopic frame 100 better abut the door frames on both sides, making the installation of the telescopic frame 100 more stable. At the same time, the first vertical bar 112 and the second vertical bar 122 allow the fireproof curtain 200 to have more connection positions with the telescopic frame 100, so as to fix the left and right sides of the fireproof curtain 200, improve the installation stability of the fireproof curtain 200 and the telescopic frame 100, and ensure the good fireproof and smoke-blocking effect of the fireproof curtain 200.

[0037] In this embodiment, the locking assembly is configured as a locking support rod 300 located between the left frame 110 and the right frame 120, one end of the locking support rod 300 is connected to the first vertical rod 112, and the other end is connected to the second vertical rod 122, so as to support the first vertical rod 112 and the second vertical rod 122 to the left and right sides, so that the first vertical rod 112 and the second vertical rod 122 abut against the left and right sides of the door frame, thereby achieving stable installation of the telescopic frame 100; and the relative distance between the first vertical rod 112 and the second vertical rod 122 can be locked to prevent the first cross bar 111 and the second cross bar 121 from sliding relative to each other, thereby affecting the installation of the telescopic frame 100.

[0038] As a preferred solution, the locking support rod 300 includes: a first support rod 310 connected to the first vertical rod 112, and a second support rod 320 connected to the second vertical rod 122; the first support rod 310 and the first support rod 310 are slidingly connected, and a locking piece 330 is provided between the first support rod 310 and the first support rod 310 to realize the sliding locking of the first support rod 310 and the first support rod 310.

[0039] In this embodiment, the first support rod 310 is inserted into the inner side of the second support rod 320 and can slide left and right relative to the second support rod 320 to change the length of the locking support rod 300 and adjust the distance between the first vertical rod 112 and the second vertical rod 122. One end of the locking member 330 is fixed on the outer peripheral side of the second support rod 320 away from one end of the second vertical rod 122, and the other end of the locking member 330 is provided with a locking hole 331 for the first support rod 310 to penetrate and be inserted into the inner side of the second support rod 320. A locking cavity 332 is provided in the middle of the locking member 330, and a locking ring 333 and a locking spring 334 are provided in the locking cavity 332. An inserting hole 335 is provided at the bottom of the locking cavity 332, and the locking ring 333 is inserted into the inserting hole 335. The locking spring 334 is provided on the left or right side of the locking ring 333 to push the locking ring 333. The locking spring 334 will make the locking ring 333 tilt to clamp the first support rod 310 on the inner side of the locking ring 333, thereby realizing the sliding locking between the first support rod 310 and the second support rod 320, and ensuring the stability of the relative distance between the left frame 110 and the right frame 120. As a preferred solution, an unlocking groove 336 is provided on the side of the locking ring 333 above the locking member 330 away from the locking spring 334. The locking ring 333 can be easily moved through the unlocking groove 336, so that the locking ring 333 does not tilt and no longer interferes with the first support rod 310 on the inner side, so that the first support rod 310 can slide left and right relative to the second support rod 320, thereby realizing the sliding unlocking of the first support rod 310 and the second support rod 320.

[0040] As a preferred solution, the first support rod 310 includes: a screw rod 311 connected to the first vertical rod 112 and a first barrel 312. The first barrel 312 is provided with an internal thread matched with the screw rod 311 to achieve the connection between the screw rod 311 and the first barrel 312. At the same time, the overall length of the first support rod 310 can be adjusted by rotating the first barrel 312 to adjust the relative distance between the left frame 110 and the right frame 120. The telescopic frame 100 can achieve the distance adjustment between the left frame 110 and the right frame 120 through a variety of structures, which increases the convenience of adjustment; at the same time, the two adjustment mode modules are superimposed on each other, so that the adjustment range of the telescopic frame 100 is larger and can adapt to door frames of more sizes.

[0041] In this embodiment, the second support rod 320 includes: a connecting head 321 and a second barrel 322. The connecting head 321 is rotatably connected to the second barrel 322, so that the second barrel 322 can rotate around its own axis. When the second barrel 322 and the first barrel 312 are locked and fixed by the locking member 330, the second barrel 322 can be rotated to drive the first barrel 312 and the screw 311 to rotate relative to each other, thereby adjusting the overall length of the first support rod 310, making the adjustment more convenient. As a preferred solution, the screw rod 311 is hinged to the first vertical rod 112, so that the screw rod 311 can rotate in the plane where the telescopic frame 100 is located; when the telescopic frame 100 is not in use, the screw rod 311 can be folded to be parallel to the first vertical rod 112; the connecting head 321 is hinged to the second vertical rod 122, so that the connecting head 321 can rotate in the plane where the telescopic frame 100 is located. When the telescopic frame 100 is not in use, the screw rod 311 can be folded to be parallel to the second vertical rod 122, thereby reducing the storage volume of the telescopic frame 100 and making it easier to transport and carry the telescopic frame 100.

[0042] The above is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. An adjustable smoke screen, characterized in that: include: A telescopic frame (100) and a fireproof curtain (200), wherein the fireproof curtain (200) is detachably mounted on the telescopic frame (100); The telescopic frame (100) comprises: a left frame (110), a right frame (120) and a locking assembly; the left frame (110) and the right frame (120) are slidably connected to each other, and the relative distance between the left frame (110) and the right frame (120) can be adjusted; the locking assembly is arranged between the left frame (110) and the right frame (120) to lock the relative distance between the left frame (110) and the right frame (120).

2. The adjustable smoke screen according to claim 1, characterized in that: The left frame (110) comprises: a first cross bar (111) and a first vertical bar (112); the right frame (120) comprises: a second cross bar (121) and a second vertical bar (122); the first cross bar (111) and the second cross bar (121) are slidably connected.

3. The adjustable smoke screen according to claim 2, characterized in that: The locking assembly is configured as a locking support rod (300) located between the left frame (110) and the right frame (120); one end of the locking support rod (300) is connected to the first vertical rod (112), and the other end is connected to the second vertical rod (122), so as to support and lock the relative distance between the first vertical rod (112) and the second vertical rod (122).

4. The adjustable smoke screen according to claim 3, characterized in that: The locking support rod (300) comprises: a first support rod (310) connected to the first vertical rod (112), and a second support rod (320) connected to the second vertical rod (122); the first support rod (310) and the second support rod (310) are slidably connected, and a locking member (330) is provided between the first support rod (310) and the second support rod (310).

5. The adjustable smoke screen according to claim 4, characterized in that: The first support rod (310) is inserted into the second support rod (320) and can slide left and right relative to the second support rod (320); One end of the locking member (330) is fixed to the outer peripheral side of the second support rod (320) away from the end of the second vertical rod (122), and the other end is provided with a locking hole (331) for the first support rod (310) to pass through and be plugged into the inner side of the second support rod (320). A locking cavity (332) is provided in the middle of the locking member (330), and a locking ring (333) and a locking spring (334) are provided in the locking cavity (332). A plug-in hole (335) is provided at the bottom of the locking cavity (332), and the locking ring (333) is plugged into the plug-in hole (335). The locking spring (334) is provided on the left or right side of the locking ring (333) to push the locking ring (333) to tilt and clamp the first support rod (310) inside the locking ring (333), thereby realizing sliding locking between the first support rod (310) and the second support rod (320).

6. The adjustable smoke screen according to claim 5, characterized in that: An unlocking groove (336) is also provided on the side of the locking ring (333) above the locking member (330) away from the locking spring (334) for facilitating the movement of the locking ring (333) to achieve unlocking.

7. The adjustable smoke screen according to claim 5, characterized in that: The first support rod (310) comprises: a screw rod (311) connected to the first vertical rod (112) and a first cylinder (312); the first cylinder (312) is provided with an internal thread matched with the screw rod (311) on the inner side to achieve the connection between the screw rod (311) and the first cylinder (312); and the overall length of the first support rod (310) can be adjusted.

8. The adjustable smoke screen according to claim 7, characterized in that: The screw rod (311) is hinged to the first vertical rod (112), so that the screw rod (311) can rotate within the plane where the telescopic frame (100) is located; The second support rod (320) comprises: a connecting head (321) and a second cylinder (322); the connecting head (321) is rotatably connected to the second cylinder (322) so that the second cylinder (322) can rotate around its own axis; the connecting head (321) is hinged to the second vertical rod (122) so that the connecting head (321) can rotate within the plane where the telescopic frame (100) is located.

9. The adjustable smoke screen according to claim 1, characterized in that: The fireproof cloth curtain (200) is detachably mounted on the telescopic frame (100) via a buckle (400) or Velcro.

10. The adjustable smoke screen according to claim 1, characterized in that: The fireproof curtain (200) is also provided with an indication mark (410).