CN212296165U - Double-track double-curtain type steel fireproof rolling shutter door - Google Patents
Double-track double-curtain type steel fireproof rolling shutter door Download PDFInfo
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- CN212296165U CN212296165U CN202020412737.5U CN202020412737U CN212296165U CN 212296165 U CN212296165 U CN 212296165U CN 202020412737 U CN202020412737 U CN 202020412737U CN 212296165 U CN212296165 U CN 212296165U
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Abstract
The utility model belongs to the technical field of fire prevention rolling slats door, especially, double track double curtain formula steel fire prevention rolling slats door to current elasticity that utilizes the spring to double track door curtain drives the door curtain and descends, because the spring is in compression state for a long time for the spring force coefficient reduces, and then makes the door curtain descend thoroughly inadequately, to the not good problem of the sealed effect of door frame, the scheme as follows is put forward now to the present, and it includes the door frame, the inboard of door frame is rotated and is connected with the pivot that two symmetries set up, and the fixed cover in the outside of pivot is equipped with the spool, is equipped with the door curtain on the spool, the equal fixed mounting in both sides of door frame has the movable block that two symmetries set up, two movable blocks and same door curtain fixed connection that correspond. The utility model discloses simple structure, convenient to use can seal the door frame to stable messenger's door curtain, makes sealed effect better simultaneously, and the fire prevention effect is strong.
Description
Technical Field
The utility model relates to a fire prevention rolling slats door technical field especially relates to a double track double-curtain formula steel fire prevention rolling slats door.
Background
The fire-proof rolling door is a fire-proof and heat-insulating facility suitable for large opening of building, and the product has a certain function technology in design and installation, and can be widely applied to fire-proof partition areas of industrial and civil buildings, so that the fire-proof rolling door can effectively prevent fire from spreading, ensure life and property safety, and is an indispensable fire-proof facility in modern buildings.
Application number is 201821493852.9 provides a double track double curtain formula steel fire rolling shutter door, including the support body, two sets of symmetrical recesses have been seted up to the inside wall of support body, and the quantity of every group recess is two, and the slide bar has all been placed to the inside of every recess, the upper surface and the bottom surface of four slide bars respectively with the interior roof and the interior diapire fixed connection of four recesses. This double track double curtain formula steel fire prevention rolling slats door, bottom and horizontal pole fixed connection through the door curtain, horizontal pole and connecting block fixed connection can make the door curtain slide from top to bottom under the effect of slide bar and sliding ring, have avoided the door curtain to take place to block when opening and shutting.
The double-rail double-curtain type steel fireproof rolling door is characterized in that the spring is used for driving the double-rail door curtain to descend, the spring is in a compression state for a long time, so that the spring elasticity coefficient is reduced, the door curtain is not thoroughly descended, and meanwhile, the sealing effect on a door frame is not good, so that the double-rail double-curtain type steel fireproof rolling door is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the current elasticity that utilizes the spring to the double track door curtain and drive the door curtain and descend, because the spring is in compression state for a long time for the spring force coefficient reduces, and then makes the door curtain descend thoroughly inadequately, simultaneously to the not good shortcoming of the sealed effect of door frame, and the double track double-curtain formula steel fire prevention rolling slats door that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a double track double curtain formula steel fire prevention rolling slats door, includes the door frame, the inboard of door frame is rotated and is connected with the pivot that two symmetries set up, and the fixed cover in the outside of pivot is equipped with the spool, is equipped with the door curtain on the spool, the equal fixed mounting in both sides of door frame has the movable block that two symmetries set up, two movable blocks and same door curtain fixed connection that correspond, the top fixed mounting of door frame has the motor, and fixed mounting has the bull stick on the motor, and the bull stick is connected with two pivot transmissions, fixed mounting has the positioning seat that two symmetries set up on the top inner wall of door frame, and equal sliding connection has the ejector pin on two positioning seats, and the one end that two.
Preferably, the inner walls of two sides of the door frame are provided with two symmetrical sliding grooves, the inner walls of the sliding grooves are rotatably connected with a screw rod, the screw rod is in threaded connection with a corresponding moving block, a second bevel gear is fixedly mounted on the screw rod, a first bevel gear is fixedly sleeved on the outer side of the rotating shaft and meshed with a corresponding second bevel gear, the diameter of the first bevel gear is three times that of the second bevel gear, and the rotating shaft can drive the screw rod to rotate through the mutual meshing of the first bevel gear and the second bevel gear.
Preferably, the fixed cover in the outside of bull stick is equipped with first belt pulley, and the outside of two pivots is all fixed to be equipped with the second belt pulley, and transmission connection has same belt on first belt pulley and the two second belt pulleys, and pivoted bull stick can be connected through the transmission of first belt pulley, two second belt pulleys and belt and drive two pivots and rotate simultaneously.
Preferably, the dashpot has been seted up to the bottom of door curtain, and sliding connection has the connecting plate in the dashpot, and the bottom fixed mounting of connecting plate has the bottom plate, and the top fixed mounting of connecting plate has a plurality of buffer spring, and buffer spring's top and the top inner wall fixed connection of the dashpot that corresponds, bottom plate and connecting plate can cushion the door curtain through buffer spring to seal up the house through the cooperation with the door curtain.
Preferably, equal fixed mounting has the locating plate on two ejector pins, and the equal fixed mounting in one side that two locating plates kept away from each other has supporting spring, supporting spring's one end and the positioning seat fixed connection that corresponds, and the positioning seat supports the ejector pin through supporting spring and locating plate for the ejector pin supports the door curtain through the wheel pair.
Compared with the prior art, the utility model has the advantages of:
1. the first belt pulley, the two second belt pulleys and the belt are in transmission connection, so that the rotating rod can drive the two rotating shafts to rotate simultaneously, and further drive the scroll to retract and release the door curtain;
2. because the first bevel gear and the second bevel gear are meshed with each other, and meanwhile the screw rod is in threaded connection with the moving block, the rotating shaft can drive the moving block to move, and then the door curtain is driven to move.
The utility model discloses simple structure, convenient to use can seal the door frame to stable messenger's door curtain, makes sealed effect better simultaneously, and the fire prevention effect is strong.
Drawings
Fig. 1 is a schematic structural view of a double-track double-curtain type steel fire-resistant rolling shutter door provided by the utility model;
fig. 2 is a side view of the double-track double-curtain type steel fire-resistant rolling door provided by the utility model;
fig. 3 is a cross-sectional view of a double-track double-curtain type steel fire-resistant rolling shutter door provided by the utility model;
fig. 4 is a schematic structural diagram of a part a of the double-track double-curtain type steel fire-resistant rolling shutter door provided by the utility model.
In the figure: 1 door frame, 2 pivots, 3 reels, 4 curtains, 5 sliding grooves, 6 screws, 7 moving blocks, 8 buffer grooves, 9 connecting plates, 10 bottom plates, 11 buffer springs, 12 motors, 13 rotating rods, 14 first conical gears, 15 second conical gears, 16 positioning seats and 17 ejector rods.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-4, a double track double curtain formula steel fire prevention rolling slats door, including door frame 1, the inboard of door frame 1 is rotated and is connected with pivot 2 that two symmetries set up, the fixed cover in the outside of pivot 2 is equipped with spool 3, be equipped with door curtain 4 on the spool 3, the equal fixed mounting in both sides of door frame 1 has two movable blocks 7 that the symmetry set up, two movable blocks 7 and same door curtain 4 fixed connection that correspond, the top fixed mounting of door frame 1 has motor 12, fixed mounting has bull stick 13 on the motor 12, bull stick 13 is connected with the transmission of two pivot 2, fixed mounting has two positioning seats 16 that the symmetry set up on the top inner wall of door frame 1, equal sliding connection has ejector pin 17 on two positioning seats 16, the one end that two ejector pins 17 are close to each other is rotated and is connected.
In this embodiment, two symmetrical sliding grooves 5 are respectively formed in the inner walls of two sides of the door frame 1, a screw rod 6 is rotatably connected to the inner wall of each sliding groove 5, the screw rod 6 is in threaded connection with a corresponding moving block 7, a second bevel gear 15 is welded on the screw rod 6, a first bevel gear 14 is fixedly arranged on the outer side of the rotating shaft 2 in a sleeved mode, the first bevel gear 14 is meshed with the corresponding second bevel gear 15, and the diameter of the first bevel gear 14 is three times that of the second bevel gear 15.
In this embodiment, the fixed cover in the outside of bull stick 13 is equipped with first belt pulley, and the fixed cover in the outside of two pivot 2 all is equipped with the second belt pulley, and transmission connection has same belt on first belt pulley and two second belt pulleys.
In this embodiment, buffer slot 8 has been seted up to the bottom of door curtain 4, and sliding connection has connecting plate 9 in buffer slot 8, and the bottom welding of connecting plate 9 has bottom plate 10, and the top welding of connecting plate 9 has a plurality of buffer spring 11, the top of buffer spring 11 and the top inner wall fixed connection of the buffer slot 8 that corresponds.
In this embodiment, all weld the locating plate on two ejector pins 17, and the supporting spring has all been welded to the one side that two locating plates kept away from each other, and supporting spring's one end and the locating seat 16 fixed connection that corresponds.
Example two
Referring to fig. 1-4, a double track double curtain formula steel fire prevention rolling slats door, including door frame 1, the inboard of door frame 1 rotates and is connected with pivot 2 that two symmetries set up, the fixed cover in the outside of pivot 2 is equipped with spool 3, be equipped with door curtain 4 on the spool 3, two movable blocks 7 that the symmetry set up are all welded to the both sides of door frame 1, two corresponding movable blocks 7 and same door curtain 4 fixed connection, the top welding of door frame 1 has motor 12, the welding has bull stick 13 on the motor 12, bull stick 13 is connected with the transmission of two pivot 2, the welding has two positioning seats 16 that the symmetry set up on the top inner wall of door frame 1, equal sliding connection has ejector pin 17 on two positioning seats 16, the one end that two ejector pins 17 are close to each other rotates and is connected with.
In this embodiment, all set up the sliding tray 5 that two symmetries set up on the inner wall of door frame 1 both sides, it is connected with screw rod 6 to rotate on sliding tray 5's the inner wall, screw rod 6 and the movable block 7 threaded connection that corresponds, the welding has second bevel gear 15 on screw rod 6, the fixed cover in the outside of pivot 2 is equipped with first bevel gear 14, first bevel gear 14 meshes with second bevel gear 15 that corresponds mutually, and first bevel gear 14's diameter is the triple of second bevel gear 15 diameter, pivoted pivot 2 can drive screw rod 6 through the intermeshing of first bevel gear 14 with second bevel gear 15 and rotate.
In this embodiment, the fixed cover in the outside of bull stick 13 is equipped with first belt pulley, and the fixed cover in the outside of two pivots 2 all is equipped with the second belt pulley, and transmission connection has same belt on first belt pulley and two second belt pulleys, and pivoted bull stick 13 can be connected through the transmission of first belt pulley, two second belt pulleys and belt and drive two pivots 2 and rotate simultaneously.
In this embodiment, buffer slot 8 has been seted up to door curtain 4's bottom, sliding connection has connecting plate 9 in buffer slot 8, and the bottom welding of connecting plate 9 has bottom plate 10, and the top welding of connecting plate 9 has a plurality of buffer spring 11, buffer spring 11's top and the top inner wall fixed connection of the buffer slot 8 that corresponds, bottom plate 10 and connecting plate 9 can cushion door curtain 4 through buffer spring 11 to seal the house through the cooperation with door curtain 4.
In this embodiment, all weld the locating plate on two ejector pins 17, and the supporting spring has all been welded to the one side that two locating plates kept away from each other, supporting spring's one end and the 16 fixed connection of positioning seats that correspond, and positioning seat 16 supports ejector pin 17 through supporting spring and locating plate for ejector pin 17 supports door curtain 4 through the carousel.
In this embodiment, when the door curtain needs to seal the door frame 1, the switch of the motor 12 is started, the output shaft of the motor 12 drives the rotating rod 13 to rotate, the rotating rod 13 drives the first belt pulley to rotate, the first belt pulley drives the belt to rotate, the belt drives the two second belt pulleys to rotate, the second belt pulley drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the reel 3 to rotate, the reel 3 unreels the door curtain 4, the rotating shaft 2 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the screw 6 to rotate, the screw 6 drives the moving block 7 to move, the moving block 7 drives the door curtain 4 to move downwards, when the door curtain 4 drives the bottom plate 10 to contact the ground, the bottom plate 10 buffers the door curtain 4 through the connecting plate 9 and the buffer spring 11, and when the top of the bottom plate 10 contacts the door curtain 4, thereby make whole door curtain 4 seal door frame 1 for the fire prevention effect is better.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. The utility model provides a double track double curtain formula steel fire prevention rolling slats door, includes the door frame, its characterized in that, the inboard of door frame is rotated and is connected with the pivot that two symmetries set up, and the fixed cover in the outside of pivot is equipped with the spool, is equipped with the door curtain on the spool, the equal fixed mounting in both sides of door frame has the movable block that two symmetries set up, two movable blocks and same door curtain fixed connection that correspond, the top fixed mounting of door frame has the motor, and fixed mounting has the bull stick on the motor, and the bull stick is connected with two pivot transmissions, fixed mounting has the positioning seat that two symmetries set up on the top inner wall of door frame, and equal sliding connection has the ejector pin on two positioning seats, and the one end that.
2. The double-track double-curtain type steel fireproof rolling shutter door according to claim 1, wherein two sliding grooves are symmetrically formed in the inner walls of the two sides of the door frame, a screw rod is rotatably connected to the inner walls of the sliding grooves and in threaded connection with a corresponding moving block, a second bevel gear is fixedly mounted on the screw rod, a first bevel gear is fixedly sleeved on the outer side of the rotating shaft and meshed with a corresponding second bevel gear, and the diameter of the first bevel gear is three times that of the second bevel gear.
3. The double-track double-curtain type steel fireproof rolling shutter door as claimed in claim 1, wherein the outside of the rotating rod is fixedly sleeved with a first belt pulley, the outside of each of the two rotating shafts is fixedly sleeved with a second belt pulley, and the first belt pulley and the two second belt pulleys are in transmission connection with the same belt.
4. The double-track double-curtain type steel fireproof rolling shutter door according to claim 1, wherein a buffer groove is formed in the bottom of the door curtain, a connecting plate is connected in the buffer groove in a sliding mode, a bottom plate is fixedly installed at the bottom of the connecting plate, a plurality of buffer springs are fixedly installed at the top of the connecting plate, and the top ends of the buffer springs are fixedly connected with the inner wall of the top of the corresponding buffer groove.
5. The double-track double-curtain type steel fireproof rolling door according to claim 1, wherein the two ejector rods are fixedly provided with positioning plates, the sides of the two positioning plates away from each other are fixedly provided with supporting springs, and one ends of the supporting springs are fixedly connected with the corresponding positioning seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412737.5U CN212296165U (en) | 2020-03-27 | 2020-03-27 | Double-track double-curtain type steel fireproof rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412737.5U CN212296165U (en) | 2020-03-27 | 2020-03-27 | Double-track double-curtain type steel fireproof rolling shutter door |
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| CN212296165U true CN212296165U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020412737.5U Active CN212296165U (en) | 2020-03-27 | 2020-03-27 | Double-track double-curtain type steel fireproof rolling shutter door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187362A (en) * | 2021-05-21 | 2021-07-30 | 江苏拓华人防设备有限公司 | Civil air defense engineering protection fire prevention airtight door |
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2020
- 2020-03-27 CN CN202020412737.5U patent/CN212296165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187362A (en) * | 2021-05-21 | 2021-07-30 | 江苏拓华人防设备有限公司 | Civil air defense engineering protection fire prevention airtight door |
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