Folding fire resisting shutter
By introducing adjustment and auxiliary devices into the folding fireproof roller shutter, the problem of the fireproof roller shutter becoming taut is solved, the fire blocking and isolation effect is improved, and the fire protection stability and escape convenience are enhanced.
Patent Information
- Application Number
- CN202423096644.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing folding fireproof roller shutters cannot maintain a taut state when opened, affecting their fire blocking and isolation effects and increasing the speed of fire spread.
By setting up adjustment and auxiliary devices, including components such as support plates, motors, rotating gears, cylinders, and limit blocks, the fireproof roller shutter can achieve a straightening effect, and the ease of escape and sealing can be improved by inserting rods and pulling rings.
It improves the tautness and fire resistance of fireproof roller shutters, reduces the risk of smoke leakage, and enhances their ability to block fire and facilitate escape.
Smart Images

Figure CN223814017U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of folding fireproof curtain, especially relates to a folding fireproof curtain. BACKGROUND
[0002] The folding fireproof curtain is a kind of building safety equipment for fire isolation and smoke barrier, usually installed at the entrance of building, passageway, floor or other areas needing fire isolation, and the main function of folding fireproof curtain is to prevent the spread of flame, smoke and toxic gas when fire occurs, so as to protect personnel safety and prevent fire expansion.
[0003] The utility model discloses a kind of folding fireproof curtains with the announcement number CN220955335U, and its technical scheme points are as follows: including installation frame and folding fireproof curtain, the inside front end of the installation frame is provided with folding fireproof curtain, the bottom of the folding fireproof curtain is connected with lifting plate, the inside rear end of the installation frame is provided with isolation box, the side of the isolation box is provided with guide opening, the inside of the isolation box is vertically provided with screw rod, the one end of the screw rod is connected with lifting plate by screw nut, the bottom of the screw rod is provided with driven gear, the side of the driven gear is engaged with driving gear.The utility model is provided with isolation box, screw rod, lifting plate, driven gear, driving gear, motor and mounting seat, and the mutual cooperation between them is utilized, so that the folding fireproof curtain can be automatically folded and stretched, with high degree of automation and convenient to use.
[0004] For the above-mentioned related content, there are the following technical defects: the folding fireproof curtain is a kind of building safety equipment for fire isolation and smoke barrier, usually installed at the entrance of building, passageway, floor or other areas needing fire isolation, when fire occurs, the folding fireproof curtain starts to pull out the fireproof curtain from its inside, so that the fireproof curtain can achieve the purpose of fire isolation, but the fireproof curtain cannot be in a straight state when it is opened, which also leads to the fireproof curtain that cannot be straightened, affecting the effect of the folding fireproof curtain on blocking or isolating the fire, and increasing the spread speed of the fire.
[0005] Therefore, it is necessary to provide a new kind of folding fireproof curtain to solve the above technical problems. UTILITY MODEL CONTENT
[0006] The utility model aims at solving the shortcomings in the prior art that the fireproof curtain cannot be in a straight state when it is opened, which also leads to the fireproof curtain that cannot be straightened, affecting the effect of the folding fireproof curtain on blocking or isolating the fire, and increasing the spread speed of the fire.
[0007] The utility model provides a folding fireproof curtain to solve above -mentioned technical problem provides, including: wall, the one side of wall is provided with folding fireproof curtain body, the one side of folding fireproof curtain body is provided with contact plate, the one side of wall is equipped with adjusting device, adjusting device includes two support plates, two support plates all are with wall one side fixedly connected, the one side fixedly connected of support plate has motor, the output fixedly connected of motor has rotation gear, the tooth surface of rotation gear is engaged with adjusting gear, the one side fixedly connected of support plate away from motor has connecting plate, the one side rotationally connected of connecting plate away from rotation gear has rotation rod, the one end fixedly connected of the arc surface of rotation rod has pneumatic cylinder, pneumatic cylinder is fixedly connected with adjusting gear, the output fixedly connected of pneumatic cylinder has limit stop, the one side slidingly connected of limit stop away from pneumatic cylinder has connecting arm, connecting arm installs contact plate one side.
[0008] The effect of the above components is that: the folding fireproof curtain body is a building safety device for fire isolation and smoke barrier, usually installed at the entrance, passage, floor or other areas requiring fire isolation. When a fire occurs, the folding fireproof curtain body starts to pull out the fireproof curtain from its interior, thereby achieving the purpose of fire isolation through the fireproof curtain. However, the fireproof curtain cannot be in a straight state when it is opened, which affects the blocking or isolation effect of the folding fireproof curtain body on the fire, causing the fire to spread faster. At this time, the adjusting device can be used to pull the fireproof curtain, thereby improving the straightening effect of the fireproof curtain and the stability of the fireproof curtain.
[0009] Preferably, an inner wall of the connecting arm slidingly penetrates a plug rod, the plug rod is slidingly connected with the inner wall of the contact plate, a spring is sleeved on the arc surface of the plug rod, and both ends of the spring are fixedly connected with the plug rod and the connecting arm.
[0010] The effect of the above components is that: when the fire is large and the adjusting device short-circuits, the plug rod can be pulled to quickly detach the connecting arm from the contact plate, thereby facilitating the escape personnel to detach the connecting arm through the plug rod and improving the survival rate of personnel.
[0011] Preferably, an inner wall of the plug rod is rotationally connected with a pull ring.
[0012] The effect of the above components is that: when the plug rod is pulled in the connecting arm, the pull ring installed on the plug rod can be used to pull the plug rod, and the speed and efficiency of pulling the plug rod can be improved through the pull ring.
[0013] Preferably, a limiting block is fixedly connected with an auxiliary block away from the pneumatic cylinder, and the cross section of the auxiliary block is circular.
[0014] The effect achieved by the above component is that when the limiting block contacts the connecting arm, the auxiliary block installed on the limiting block can avoid the limiting block directly contacting the connecting arm, thereby protecting the connecting position of the two through the auxiliary block, and avoiding abutting damage caused by the direct contact of the two.
[0015] Preferably, the support plate is fixedly connected with a protective shell corresponding to the position of the motor.
[0016] The effect achieved by the above component is that the surface of the motor is relatively fragile, and the protective shell installed on the support plate can protect the surface of the motor, thereby avoiding the motor surface being impacted by external factors through the protective shell, and improving the service life of the motor.
[0017] Preferably, the contact plate is provided with an auxiliary device away from one side of the body of the folding fireproof curtain, the auxiliary device comprises an assembly plate, the assembly plate is in sliding connection with the contact plate, both ends of the side surface of the assembly plate are fixedly connected with assembly blocks, the assembly blocks are elastic blocks, an adjusting rod is slidingly penetrated through the inner wall of the assembly block, the arc surface of one end of the adjusting rod is fixedly connected with the contact plate, the arc surface of the other end of the adjusting rod is fixedly connected with a guide block, the arc surface of the adjusting rod is threadedly connected with a fixing ring, and the side of the assembly plate away from the contact plate is fixedly connected with a sealing gasket.
[0018] The effect achieved by the above component is that when the contact plate contacts the ground, the auxiliary device can increase the sealing property of the contact plate contacting the ground, thereby improving the stability of the folding fireproof curtain body in blocking smoke.
[0019] Preferably, the arc surface of the fixing ring is provided with a plurality of anti-skid grooves, and the plurality of anti-skid grooves are uniformly distributed on the arc surface of the fixing ring.
[0020] The effect achieved by the above component is that when the fixing ring is rotated on the adjusting rod, the anti-skid grooves provided on the fixing ring can improve the friction force of the surface of the fixing ring, thereby improving the rotating speed of the fixing ring on the adjusting rod through the anti-skid grooves.
[0021] Compared with the related art, the folding fireproof curtain has the following beneficial effects:
[0022] The folding fireproof curtain provided by the utility model has the advantages that when the folding fireproof curtain is used to block the fire, the surface of the fireproof curtain can be tightened through the adjusting device, thereby improving the fireproof stability of the fireproof curtain by tightening the fireproof curtain, and further improving the use effect of the folding fireproof curtain.
[0023] By setting the auxiliary device, when installing the folding fireproof curtain on the wall body, the auxiliary device can be installed on the folding fireproof curtain, and when the folding fireproof curtain is used in the fire, the auxiliary device can improve the sealing performance of the folding fireproof curtain in contact with the ground, and can reduce the occurrence of smoke entering the room through the connection between the folding fireproof curtain and the ground. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A structure diagram of a folding fireproof curtain is provided.
[0025] Figure 2 A structure diagram of a folding fireproof curtain is provided. Figure 1 A structure diagram of a folding fireproof curtain is provided.
[0026] Figure 3 A structure diagram of a folding fireproof curtain is provided. Figure 1 A structure diagram of a folding fireproof curtain is provided.
[0027] Figure 4 A structure diagram of a folding fireproof curtain is provided. Figure 1 A structure diagram of a folding fireproof curtain is provided.
[0028] In the drawing, 1, wall body; 2, adjusting device; 201, support plate; 202, motor; 203, rotating gear; 204, adjusting gear; 205, connecting plate; 206, rotating rod; 207, air cylinder; 208, limiting block; 209, connecting arm; 210, plug rod; 211, spring; 212, pull ring; 213, auxiliary block; 214, protective shell; 3, auxiliary device; 31, assembly plate; 32, assembly block; 33, adjusting rod; 34, fixing ring; 35, sealing gasket; 36, guide block; 37, anti-skid groove; 4, folding fireproof curtain body; 5, contact plate. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0030] The specific implementation of the utility model will be described in detail in combination with specific examples.
[0031] Please refer to Figures 1 to 4 The utility model embodiment provides a folding fireproof curtain, which comprises a wall body 1, a folding fireproof curtain body 4 installed on one side of the wall body 1, a contact plate 5 installed on one side of the folding fireproof curtain body 4, an adjusting device 2 arranged on one side of the wall body 1, and an auxiliary device 3 arranged on the side of the contact plate 5 away from the folding fireproof curtain body 4.
[0032] In the embodiments of the utility model, please refer to Figure 2 and Figure 3The adjusting device 2 comprises two support plates 201, each of which is fixedly connected with one side of the wall body 1, one side of the support plate 201 is fixedly connected with a motor 202, the output end of the motor 202 is fixedly connected with a rotating gear 203, the tooth surface of the rotating gear 203 is engaged with an adjusting gear 204, one side of the support plate 201 away from the motor 202 is fixedly connected with a connecting plate 205, one side of the connecting plate 205 away from the rotating gear 203 is rotatably connected with a rotating rod 206, one end of the circular arc surface of the rotating rod 206 is fixedly connected with an air cylinder 207, the air cylinder 207 is fixedly connected with the adjusting gear 204, the output end of the air cylinder 207 is fixedly connected with a limiting block 208, one side of the limiting block 208 away from the air cylinder 207 is slidably connected with a connecting arm 209, the connecting arm 209 is installed on one side of the contact plate 5, the folding fireproof curtain body 4 is a building safety device for fireproof isolation and smoke barrier, which is usually installed at the entrance, passage, floor or other areas needing fireproof isolation of the building, when a fire occurs, the folding fireproof curtain body 4 is started to drive the fireproof curtain to be pulled out from the inside, so that the fireproof isolation purpose can be achieved through the fireproof curtain, but the fireproof curtain cannot be in a straightened state when the fireproof curtain is opened, which also leads to the fireproof curtain that cannot be straightened, thereby affecting the effect of the folding fireproof curtain body 4 on the fire blocking or isolation, and the fire spreading speed is increased, at this time, the adjusting device 2 can be used to pull the fireproof curtain, so that the adjusting device 2 can improve the straightening effect of the fireproof curtain and the stability of the fireproof curtain, the inner wall of the connecting arm 209 is slidably penetrated by a plug rod 210, the plug rod 210 is slidably connected with the inner wall of the contact plate 5, the circular arc surface of the plug rod 210 is sleeved with a spring 211, the two ends of the spring 211 are fixedly connected with the plug rod 210 and the connecting arm 209 respectively, when the adjusting device 2 is short-circuited, the plug rod 210 can be pulled to quickly disassemble the connecting arm 209 from the contact plate 5, so that the plug rod 210 can facilitate the disassembly of the connecting arm 209 by the escaping personnel, thereby improving the survival rate of the personnel, the inner wall of the plug rod 210 is rotatably connected with a pull ring 212, when the plug rod 210 is pulled in the connecting arm 209, the pull ring 212 installed on the plug rod 210 can be used to pull the plug rod 210, the pull ring 212 can improve the speed and efficiency of pulling the plug rod 210, the side of the limiting block 208 away from the air cylinder 207 is fixedly connected with an auxiliary block 213, the cross section of the auxiliary block 213 is circular, when the limiting block 208 contacts with the connecting arm 209, the auxiliary block 213 installed on the limiting block 208 can avoid the direct contact between the limiting block 208 and the connecting arm 209, so that the connection between the two can be protected by the auxiliary block 213, thereby avoiding the direct contact between the two to cause abutting damage, the position corresponding to the motor 202 of the support plate 201 is fixedly connected with a protective shell 214, the surface of the motor 202 is relatively fragile, the protective shell 214 installed on the support plate 201 can protect the surface of the motor 202, so that the protective shell 214 can protect the surface of the motor 202,The motor 202 can be prevented from being impacted by external factors, and the service life of the motor 202 can be prolonged.
[0033] In the embodiment of the utility model, please refer to Figure 4 The auxiliary device 3 includes an assembly plate 31, the assembly plate 31 is slidably connected with the contact plate 5, both ends of the side surface of the assembly plate 31 are fixedly connected with assembly blocks 32, the assembly blocks 32 are elastic blocks, the inner wall of the assembly block 32 is slidably penetrated by an adjusting rod 33, the arc surface of one end of the adjusting rod 33 is fixedly connected with the contact plate 5, the arc surface of the other end of the adjusting rod 33 is fixedly connected with a guide block 36, the arc surface of the adjusting rod 33 is threadedly connected with a fixing ring 34, the side of the assembly plate 31 away from the contact plate 5 is fixedly connected with a sealing gasket 35, when the contact plate 5 is in contact with the ground, the sealing property of the contact between the contact plate 5 and the ground can be improved by the auxiliary device 3, the stability of the folding fire-resistant roller shutter body 4 for blocking smoke can be improved, the arc surface of the fixing ring 34 is provided with a plurality of anti-skid grooves 37, the plurality of anti-skid grooves 37 are uniformly distributed on the arc surface of the fixing ring 34, when the fixing ring 34 is rotated on the adjusting rod 33, the anti-skid grooves 37 provided on the fixing ring 34 can improve the friction force on the surface of the fixing ring 34, so that the speed of rotating the fixing ring 34 on the adjusting rod 33 can be improved through the anti-skid grooves 37.
[0034] The working principle of the folding fire-resistant roller shutter is as follows: the motor 202 installed on the supporting plate 201 is started, the motor 202 moves to drive the rotating gear 203 to move, the rotating gear 203 moves to drive the adjusting gear 204 to move, the adjusting gear 204 rotates on the connecting plate 205, the adjusting gear 204 drives the air cylinder 207 to rotate, so that the air cylinder 207 can be driven to the upper side of the connecting arm 209, at this time, the air cylinder 207 can be started, the air cylinder 207 moves to drive the limiting block 208 to be connected to the inner wall of the connecting arm 209, so that the connecting arm 209 can drive the contact plate 5 to move towards the ground, so that the contact plate 5 can pull the folding fire-resistant roller shutter body 4, and the purpose of straightening can be achieved.
[0035] The assembly plate 31 is connected with the contact plate 5, at this time, the assembly block 32 can be pressed, the inner wall of the deformed assembly block 32 is connected with the adjusting rod 33, the assembly block 32 is connected with the adjusting rod 33, the assembly plate 31 can be temporarily installed on the contact plate 5, at this time, the fixing ring 34 can be rotated on the adjusting rod 33, the movement of the fixing ring 34 can be in contact with the assembly block 32, so that the assembly plate 31 can be fixed on the contact plate 5.
[0036] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.
[0037] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A fire protection folding screen, characterized in that Include: Wall (1), one side of the wall (1) is installed with a folding fire shutter body (4), one side of the folding fire shutter body (4) is installed with a contact plate (5), one side of the wall (1) is provided with an adjusting device (2), the adjusting device (2) comprises two support plates (201), both of which are fixedly connected with the wall (1), one side of the support plate (201) is fixedly connected with a motor (202), the output end of the motor (202) is fixedly connected with a rotating gear (203), the tooth surface of the rotating gear (203) is engaged with an adjusting gear (204), one side of the support plate (201) away from the motor (202) is fixedly connected with a connecting plate (205), one side of the connecting plate (205) away from the rotating gear (203) is rotatably connected with a rotating rod (206), one end of the arc surface of the rotating rod (206) is fixedly connected with an air cylinder (207), the air cylinder (207) is fixedly connected with the adjusting gear (204), the output end of the air cylinder (207) is fixedly connected with a limiting block (208), one side of the limiting block (208) away from the air cylinder (207) is slidably connected with a connecting arm (209), the connecting arm (209) is installed on one side of the contact plate (5).
2. A fire protection folding shutter according to claim 1, characterised in that The inner wall of the connecting arm (209) slidably penetrates an insertion rod (210), the insertion rod (210) is slidably connected with the inner wall of the contact plate (5), the arc surface of the insertion rod (210) is sleeved with a spring (211), both ends of the spring (211) are fixedly connected with the insertion rod (210) and the connecting arm (209).
3. A fire protection folding shutter according to claim 2, characterised in that The inner wall of the insertion rod (210) is rotatably connected with a pull ring (212).
4. The fire protection folding shutter according to claim 1, wherein One side of the limiting block (208) away from the air cylinder (207) is fixedly connected with an auxiliary block (213), the cross section of the auxiliary block (213) is circular.
5. The fire protection folding shutter according to claim 1, characterized in that, The support plate (201) is fixedly connected with a protective shell (214) corresponding to the position of the motor (202).
6. A fire protection shutter according to claim 1, wherein, One side of the contact plate (5) away from the folding fire shutter body (4) is provided with an auxiliary device (3), the auxiliary device (3) comprises an assembly plate (31), the assembly plate (31) is slidably connected with the contact plate (5), both ends of the side surface of the assembly plate (31) are fixedly connected with an assembly block (32), the assembly block (32) is an elastic block, the inner wall of the assembly block (32) slidably penetrates an adjusting rod (33), one end of the arc surface of the adjusting rod (33) is fixedly connected with the contact plate (5), the arc surface of the other end of the adjusting rod (33) is fixedly connected with a guide block (36), the arc surface of the adjusting rod (33) is threadedly connected with a fixed ring (34), one side of the assembly plate (31) away from the contact plate (5) is fixedly connected with a sealing gasket (35).
7. A fire protection folding shutter according to claim 6, characterised in that The arc surface of the fixed ring (34) is provided with a plurality of anti-skid grooves (37), a plurality of anti-skid grooves (37) are evenly distributed on the arc surface of the fixed ring (34).