CN217461983U - Steel fire-fighting rolling shutter door - Google Patents
Steel fire-fighting rolling shutter door Download PDFInfo
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- CN217461983U CN217461983U CN202221279536.8U CN202221279536U CN217461983U CN 217461983 U CN217461983 U CN 217461983U CN 202221279536 U CN202221279536 U CN 202221279536U CN 217461983 U CN217461983 U CN 217461983U
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Abstract
The utility model relates to a steel fire-fighting roller shutter door, which comprises a steel roller shutter door body, a roller shutter door machine, a base and a pair of vertically arranged guide rails, wherein the top of the steel roller shutter door body is connected with the roller shutter door machine, two side edges of the steel roller shutter door body are positioned in the guide rails and are in sliding fit with the guide rails, and the base is arranged at the bottom of the guide rails; the bottom edge of the steel rolling door body is fixedly connected with a traction rope; a steering fixed pulley block is arranged inside the base, and the traction rope passes through the steering fixed pulley block and then extends upwards to the door rolling machine and winds a scroll arranged on the door rolling machine; and a smoke-proof device is arranged between the inner side wall of the guide rail and the steel roller shutter door body. The smoke protection device enhances the sealing performance of the rolling door and improves the smoke protection effect. The spool of rolling door machine rotates, and the drive steel is rolled up the curtain door body and is unreeled, stimulates the haulage rope rolling again simultaneously, and the base of the steel roll of curtain door body of haulage rope pulling moves down, overcomes the frictional resistance between the smoke damper and the steel roll of curtain door body to guarantee that the steel roll of curtain door body closes the door fast.
Description
Technical Field
The utility model belongs to the fire door field, especially a steel fire control rolling slats door.
Background
Steel fire control rolling slats door is a common fire door, generally include the steel shutter door body, rolling slats door machine, guide rail and base, the upper end of the rolling slats door body links to each other with rolling slats door machine, the rolling slats door machine can carry out the rolling and unreel to the steel shutter door body, the realization is opened the door and is closed the door, the both sides limit of the steel shutter door body lies in the guide rail of vertical setting and with guide rail sliding fit, the base sets up subaerial, the lower extreme of the steel shutter door body can link to each other with the base when removing to ground, guarantee the stability of the steel shutter door body, specifically can refer to prior art such as CN 202120822189.8.
In order to improve the smoke-proof effect, a smoke-proof device can be arranged between the rolling shutter door body and the side wall of the guide rail, and the smoke-proof device generally adopts a rubber sheet. In order to guarantee sealed effect, need compress tightly the contact between the sheet rubber and the steel shutter door body, lead to the sheet rubber and the steel shutter door body between frictional force great, when closing the door (unreeling promptly), the steel shutter door body downstream, the resistance that receives is great, the speed that the influence was closed the door, consequently a lot of steel fire control rolling slats door all do not set up smoke protection device at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a steel fire control rolling slats door is provided, can enough improve the smoke protection effect, can guarantee the speed of closing the door again.
In order to solve the above problem, the utility model adopts the technical scheme that: the steel fire-fighting rolling door comprises a steel rolling door body, a rolling door machine, a base and a pair of guide rails which are vertically arranged, wherein the top of the steel rolling door body is connected with the rolling door machine, two side edges of the steel rolling door body are positioned in the guide rails and are in sliding fit with the guide rails, and the base is arranged at the bottom of the guide rails;
the bottom edge of the steel roller shutter door body is fixedly connected with a traction rope;
a steering fixed pulley block is arranged inside the base;
the traction rope passes through the steering fixed pulley block, then extends upwards to the door roller and is wound on a reel of the door roller;
and a smoke-proof device is arranged between the inner side wall of the guide rail and the steel roller shutter door body.
Furthermore, horizontal extension shafts are arranged at two ends of the bottom edge of the steel roller shutter door body, and the axial direction of each extension shaft is consistent with the length direction of the bottom edge of the steel roller shutter door body; the hauling cable is fixed on the extension shaft.
Further, the set of diverting pulleys comprises two fixed pulleys.
Furthermore, the hauling cable is a steel wire rope.
Furthermore, the base is enclosed into the cavity by bottom plate, roof and 4 curb plates, the upper surface of roof is provided with sealed the pad, the both ends of roof are provided with the line hole that supplies the haulage rope to pass.
Further, the lower end of the guide rail is welded to the top plate of the base.
Further, the door roller comprises a motor, and the motor is in transmission connection with the reel.
Further, a lubricating box is arranged on the upper portion of the guide rail, a lubricating oil pipe is arranged at the bottom of the lubricating box, and an outlet of the lubricating oil pipe is communicated with a sealing surface of the smoke prevention device.
The utility model has the advantages that: through set up smoke protection device between guide rail inside wall and the steel shutter door body, strengthened the leakproofness of rolling slats door, promoted smoke protection effect. The reel of rolling door machine rotates, and the drive steel is rolled up the curtain door body and is unreeled, and the reel of rolling door machine stimulates the haulage rope rolling again simultaneously, and the base of the steel roll of curtain door body of haulage rope pulling moves down, overcomes the frictional resistance between smoke protection device and the steel roll of curtain door body to guarantee that the steel roll of curtain door body closes the door fast.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1;
FIG. 4 is a schematic view of a curtain sheet;
reference numerals: 1-steel rolling shutter door body; 2, a door rolling machine; 3, a base; 4-a guide rail; 5-extension shaft; 6, a traction rope; 7-a steering fixed pulley block; 8, a reel; 9-smoke prevention device; 10-a sealing gasket; 11-lubrication box; 12-lubricating oil pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The utility model discloses a steel fire control rolling slats door, as shown in fig. 1 to 4, including the guide rail 4 of the steel rolling slats door body 1, rolling slats door machine 2, base 3 and a pair of vertical setting, the top of the steel rolling slats door body 1 links to each other with rolling slats door machine 2, the both sides limit of the steel rolling slats door body 1 lie in guide rail 4 and with 4 sliding fit of guide rail, base 3 sets up the bottom at guide rail 4.
The steel rolling shutter door body 1 is formed by mutually hooking a plurality of shutter pieces, the structure of each shutter piece is shown in figure 4 and comprises two layers of steel plates, the upper end and the lower end of each two layers of steel plates are attached and bent to form a hook, the middle part of each two layers of steel plates is filled with aluminum silicate cotton, and the filling density is (120 +/-12) kg/m 3 And has good fireproof effect.
The guide rail 4 plays a role in guiding and positioning, a sliding groove is formed in the side wall of the guide rail, and two side edges of the steel roller shutter door body 1 are located in the sliding groove, so that the steel roller shutter door body 1 can move vertically and linearly along the sliding groove.
The base 3 is partially or completely buried under the ground, and forms a door frame with the guide rail 4, thereby playing the roles of supporting the steel roller shutter door body 1 and sealing. Specifically, base 3 is enclosed into the cavity by bottom plate, roof and 4 curb plates, and the upper surface of roof is provided with sealed pad 10, and sealed pad 10 can adopt the rubber pad that has certain elasticity, and after closing the door, the base of the steel shutter door body 1 contacts with sealed pad 10, can eliminate the clearance, improves the leakproofness, and then reinforcing smoke protection effect. The lower end of the guide rail 4 is welded to the ceiling of the base 3.
Be provided with smoke protection device 9 between 4 inside walls of guide rail and the steel shutter door body 1, smoke protection device 9 adopts the rubber slab of rectangular shape, with the steel shutter door body 1 in close contact with, can guarantee smoke protection effect.
The bottom edge of the steel roller shutter door body 1 is fixedly connected with a traction rope 6, a steering fixed pulley block 7 is arranged inside the base 3, and the traction rope 6 upwards extends to the roller door machine 2 after passing through the steering fixed pulley block 7 and is wound on a reel 8 arranged on the roller door machine 2. The roof of base 3 is provided with the line hole that supplies haulage rope 6 to pass, and the base at the steel rolling screen door body 1 is fixed to the one end of haulage rope 6, and the other end passes the line hole downwards earlier and reaches to turning to fixed pulley group 7, then with turn to the cooperation of fixed pulley group 7, upwards extends to spool 8 again, when spool 8 rotated, can drive haulage rope 6 rolling or unreel. The turning crown block 7 plays a role in guiding the traction rope 6, and as shown in fig. 2, the turning crown block 7 comprises two crown blocks, and each crown block is installed on the support frame through a rotating shaft.
The traction rope 6 can be directly fixed on the steel rolling shutter door body 1, preferably, two ends of the bottom edge of the steel rolling shutter door body 1 are fixedly provided with horizontal extension shafts 5, and the axial direction of each extension shaft 5 is consistent with the length direction of the bottom edge of the steel rolling shutter door body 1; the hauling cable 6 is fixed on the extension shaft 5 and can be bound on the extension shaft 5.
The preferable steel wire rope that adopts of haulage rope 6, intensity is high, long service life.
The utility model discloses a theory of operation does: when the rolling door needs to be closed, rolling door machine 2 drives reel 8 to rotate, reel 8 drives steel rolling door body 1 unreels, steel rolling door body 1 moves down, simultaneously reel 8 will carry out the rolling to haulage rope 6, pulling haulage rope 6 moves, can stimulate steel rolling door body 1 to move down when haulage rope 6 moves, the frictional resistance between smoke protection device 9 and the steel rolling door body 1 can be overcome to the pulling force of haulage rope 6, make steel rolling door body 1 move according to the speed of setting for, can not influence the speed of closing the door, and can ensure that the lower extreme of steel rolling door body 1 moves to the upper surface of base 3, there is the clearance between the lower extreme of steel rolling door body 1 and the base 3.
In order to reduce the friction resistance between the smoke protection device 9 and the steel roller shutter door body 1, a lubricating box 11 is arranged at the upper part of the guide rail 4, a lubricating oil pipe 12 is arranged at the bottom of the lubricating box 11, and the outlet of the lubricating oil pipe 12 leads to the sealing surface of the smoke protection device 9. The sealing surface of the smoke prevention device 9 is the surface where the smoke prevention device 9 and the steel shutter door body 1 are connected. But lubricated case 11 upper portion is provided with open closed case lid, when needing to add lubricating oil, opens the case lid, adds lubricated case 11 with appropriate amount lubricating oil, and lubricating oil flows to smoke protection device 9's sealed face through lubricating oil pipe 12, plays lubricated effect to smoke protection device 9's sealed face, and when the sealed face of the steel shutter door body 1 for smoke protection device 9 removed, frictional force can reduce, can slow down wearing and tearing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The steel fire-fighting rolling door comprises a steel rolling door body (1), a rolling door machine (2), a base (3) and a pair of guide rails (4) which are vertically arranged, wherein the top of the steel rolling door body (1) is connected with the rolling door machine (2), two side edges of the steel rolling door body (1) are positioned in the guide rails (4) and are in sliding fit with the guide rails (4), and the base (3) is arranged at the bottom of the guide rails (4); the method is characterized in that:
the bottom edge of the steel roller shutter door body (1) is fixedly connected with a traction rope (6);
a steering fixed pulley block (7) is arranged in the base (3);
the traction rope (6) extends upwards to the door roller (2) after passing through the steering fixed pulley block (7) and is wound on a reel (8) arranged on the door roller (2);
and a smoke-proof device (9) is arranged between the inner side wall of the guide rail (4) and the steel roller shutter door body (1).
2. A fire protection roller door made of steel as claimed in claim 1, wherein: horizontal extension shafts (5) are arranged at two ends of the bottom edge of the steel roller shutter door body (1), and the axial direction of each extension shaft (5) is consistent with the length direction of the bottom edge of the steel roller shutter door body (1); the traction rope (6) is fixed on the extension shaft (5).
3. A fire protection roller door made of steel as claimed in claim 1, wherein: the steering fixed pulley group (7) comprises two fixed pulleys.
4. A fire protection roller door made of steel as claimed in claim 1, wherein: the hauling cable (6) is a steel wire rope.
5. A fire protection roller door made of steel as claimed in claim 1, wherein: the base (3) is enclosed into the cavity by bottom plate, roof and 4 curb plates, the upper surface of roof is provided with sealed pad (10), the both ends of roof are provided with the line hole that supplies haulage rope (6) to pass.
6. A fire rolling steel door as claimed in claim 5, wherein: the lower end of the guide rail (4) is welded on the top plate of the base (3).
7. A fire protection roller door made of steel as claimed in claim 1, wherein: the door roller (2) comprises a motor, and the motor is in transmission connection with the reel (8).
8. A fire protection roller door made of steel as claimed in claim 1, wherein: the upper portion of guide rail (4) is provided with lubricated case (11), the bottom of lubricated case (11) is provided with lubricated oil pipe (12), the sealed face of smoke protection device (9) is led to in the export of lubricated oil pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221279536.8U CN217461983U (en) | 2022-05-25 | 2022-05-25 | Steel fire-fighting rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221279536.8U CN217461983U (en) | 2022-05-25 | 2022-05-25 | Steel fire-fighting rolling shutter door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217461983U true CN217461983U (en) | 2022-09-20 |
Family
ID=83277773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221279536.8U Active CN217461983U (en) | 2022-05-25 | 2022-05-25 | Steel fire-fighting rolling shutter door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217461983U (en) |
-
2022
- 2022-05-25 CN CN202221279536.8U patent/CN217461983U/en active Active
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