CN216866505U

CN216866505U - Bottom sealing device for fireproof rolling shutter door

Info

Publication number: CN216866505U
Application number: CN202123170942.9U
Authority: CN
Inventors: 龙喜和; 谢柳飞
Original assignee: Guangxi Huiyi Fire Safety Technology Co ltd
Current assignee: Guangxi Huiyi Fire Safety Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-01
Anticipated expiration: 2031-12-16

Abstract

The utility model belongs to the technical field of rolling doors, and particularly relates to a bottom sealing device for a fireproof rolling door, which comprises a rolling door body, wherein the rolling door body comprises a door frame, a box body and a rolling curtain, the box body is arranged at the upper end of the door frame, one end of the rolling curtain is rotatably connected in the box body, the other end of the rolling curtain is vertically and slidably connected with the door frame, the bottom sealing mechanism is arranged at the lower end of the door frame, racks are vertically arranged on the front side surface and the rear side surface of the lower end of the rolling curtain, and when the rolling curtain slides to the bottom end of the door frame, the rolling curtain is embedded in the bottom sealing mechanism through the racks and is in limit connection with the bottom sealing mechanism. The utility model has the technical characteristics of improving the smoke isolation effect of the fireproof rolling door and avoiding the harm to personal safety caused by smoke leakage.

Description

Bottom sealing device for fireproof rolling shutter door

Technical Field

The utility model belongs to the technical field of rolling doors, and particularly relates to a bottom sealing device for a fireproof rolling door.

Background

The fire-proof rolling door is a fire-proof and heat-insulating equipment suitable for large opening of building, and its product has a certain function in design and installation. The fire-proof rolling door is widely applied to fire-proof partition areas of industrial and civil buildings, can effectively prevent fire from spreading and guarantee life and property safety, and is an indispensable fire-proof facility in modern buildings.

Under the situation that the fire is diffused, the fireproof rolling door not only separates the fire and prevents the spread, but also plays a role in separating smoke. However, in general, the fire-proof rolling shutter door is not compact due to direct contact with the ground after being closed, and the smoke-isolating effect is not good, so that dense smoke is easy to diffuse out of the door and harm the health of human body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides a bottom sealing device for a fireproof rolling door, which mainly solves the technical problems that the tightness is not good and the smoke isolation effect is not good due to the fact that the fireproof rolling door is directly contacted with the ground after being closed, so that dense smoke is easy to diffuse outdoors to harm the human health.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a bottom sealing device for a fireproof rolling door comprises a rolling door body, wherein the rolling door body comprises a door frame, a box body and a rolling curtain, the box body is arranged at the upper end of the door frame, one end of the rolling curtain is rotatably connected in the box body, the other end of the rolling curtain is vertically and slidably connected with the door frame,

the rolling shutter further comprises a bottom sealing mechanism, the bottom sealing mechanism is installed at the lower end of the door frame, racks are vertically arranged on the front side face and the rear side face of the lower end of the rolling shutter, and when the rolling shutter slides to the bottom end of the door frame, the rolling shutter is embedded in the bottom sealing mechanism through the racks and is in limit connection with the bottom sealing mechanism.

Preferably, the bottom sealing mechanism comprises a shell with an opening at the upper end and two limiting assemblies, the two limiting assemblies are symmetrically arranged on the front inner side wall and the rear inner side wall of the shell, and the roller shutter is embedded between the two limiting assemblies through the rack and is in limiting connection with the bottom sealing mechanism.

Preferably, the limiting assembly comprises two mounting plates, a rotating shaft and a gear, the two mounting plates are mounted on the inner side wall of the shell at intervals, the gear is connected between the two mounting plates through the rotating shaft in a rotating mode, and the gear is connected with the rack in a meshed mode.

Preferably, the gear limiting device further comprises a clamping jaw, the clamping jaw is rotatably connected to the side wall of the shell above the gear on one limiting assembly, one end of the clamping jaw is clamped on the gear, and the other end of the clamping jaw extends to the outside of the shell.

Preferably, the shell is of a U-shaped structure with two high ends and a low middle part, and the limiting assemblies are arranged at two ends of the shell.

Preferably, the upper end of the shell is provided with a cover plate, and the cover plate is provided with a through groove for the roller shutter to pass through.

Preferably, a sealing strip is mounted at the bottom of the housing.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the utility model provides a bottom sealing device for a fireproof rolling door, which adopts a bottom sealing mechanism arranged on the ground to avoid the phenomenon that the rolling door is not tight enough due to the direct contact of the rolling door and the ground. The roller shutter is connected with the gear on the limiting assembly in a meshed mode through the rack embedded between the limiting assemblies, the roller shutter is embedded in the bottom sealing mechanism conveniently, the gear is clamped through the clamping claw to limit the gear to rotate reversely so as to clamp the roller shutter in the bottom sealing mechanism, and the phenomenon that the roller shutter slides upwards due to the fact that a control system on the roller shutter door body does not work is avoided. The utility model has the technical characteristics of improving the smoke isolation effect of the fireproof rolling door and avoiding the harm to personal safety caused by smoke leakage.

2. The shell is in a U-shaped structure with two high ends and a low middle part, so that transportation tools such as forklifts and the like and personnel can pass through the shell conveniently in addition to a fire, and the practicability of the fire-fighting truck is improved; the cover plate at the upper end of the shell can improve the sealing performance of the bottom sealing mechanism, and meanwhile, large sundries are effectively prevented from falling into the bottom sealing mechanism and inconvenient cleaning is avoided.

3. The sealing strip at the bottom of the shell plays a role in buffering when the roller shutter falls and is embedded in the bottom sealing mechanism, and meanwhile, the sealing performance of the bottom sealing mechanism is further improved, and the smoke insulation effect of the utility model is enhanced.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the bottom sealing mechanism of the present invention;

FIG. 3 is a top view of the bottom seal mechanism (with the cover plate omitted) of the present invention;

fig. 4 is a sectional view taken along the line a-a of fig. 3.

The main reference symbols in the drawings are as follows:

1. a roller shutter door body; 11. a gantry; 12. a box body; 13. rolling a curtain; 2. a bottom sealing mechanism; 21. a housing; 22. a limiting component; 221. mounting a plate; 222. a rotating shaft; 223. a gear; 224. a claw; 3. a rack; 4. a cover plate; 41. a through groove; 5. and (4) a sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 4, a bottom sealing device for a fire-proof rolling door comprises a rolling door body 1, wherein the rolling door body 1 comprises a door frame 11, a box body 12 and a rolling curtain 13, the box body 12 is installed at the upper end of the door frame 11, one end of the rolling curtain 13 is rotatably connected in the box body 12, and the other end of the rolling curtain is vertically connected with the door frame 11 in a sliding manner. Specifically, the utility model further comprises a bottom sealing mechanism 2, the bottom sealing mechanism 2 is installed at the lower end of the portal frame 11, the front side face and the rear side face of the lower end of the roller shutter 13 are both vertically provided with racks 3, and when the roller shutter 13 slides to the bottom end of the portal frame 11, the roller shutter 13 is embedded in the bottom sealing mechanism 2 through the racks 3 and is in limit connection with the bottom sealing mechanism 2.

In this embodiment, as shown in fig. 3 and 4, the bottom sealing mechanism 2 includes a housing 21 with an opening at an upper end and two limiting assemblies 22, the two limiting assemblies 22 are symmetrically disposed on the front and rear inner side walls of the housing 21, and the rolling blind 13 is embedded between the two limiting assemblies 22 through the rack 3 and is in limiting connection with the bottom sealing mechanism 2.

In this embodiment, the limiting component 22 includes two mounting plates 221, a rotating shaft 222 and a gear 223, the two mounting plates 221 are mounted on the inner side wall of the housing 21 at intervals, the gear 223 is rotatably connected between the two mounting plates 221 through the rotating shaft 222, and the gear 223 is engaged with the rack 3. Specifically, the present invention further includes a latch 224, the latch 224 is rotatably connected to the side wall of the housing 21 above the gear 223 on one of the limiting assemblies 22, one end of the latch 224 is clamped on the gear 223, and the other end of the latch 224 extends to the outside of the housing 21. The roller shutter 13 is embedded between the limiting assemblies 22 through the rack 3, the rack 3 is meshed with the gear 223 on the limiting assemblies 22, the roller shutter 13 is conveniently embedded in the bottom sealing mechanism 2, meanwhile, the gear 223 is clamped through the clamping claw 224 to limit the gear 223 to rotate reversely so as to clamp the roller shutter 13 in the bottom sealing mechanism 2, and the roller shutter 13 is prevented from sliding upwards due to the fact that a control system on the roller shutter door body 1 does not work; when the roll screen 13 needs to be opened, the latch 224 is pressed downward so that the latch 224 is disengaged from the gear 223.

In this embodiment, referring back to fig. 1 and 2, the housing 21 is a U-shaped structure with two high ends and a low middle, and the limiting assemblies 22 are installed at two ends of the housing 21, so that transportation tools such as forklifts and the like and personnel can pass through the housing in addition to fire, and the practicability of the present invention is improved. The upper end of the housing 21 is provided with a cover plate 4, and the cover plate 4 is provided with a through groove 41 for the rolling shutter 13 to pass through. The cover plate 4 can improve the sealing performance of the bottom sealing mechanism 2, and simultaneously effectively prevents large sundries from falling into the bottom sealing mechanism 2 and being inconvenient to clean. . The bottom of the housing 21 is fitted with a seal 5. When the roller shutter 13 falls and is embedded in the bottom sealing mechanism 2, the sealing strip 5 plays a role of buffering, meanwhile, the sealing performance of the bottom sealing mechanism 2 is further improved, and the smoke isolation effect of the utility model is enhanced.

The working principle of the utility model is as follows: the utility model provides a bottom sealing device for a fireproof rolling door, which adopts a bottom sealing mechanism 2 arranged on the ground to avoid the phenomenon that a rolling door 13 is not tight enough due to the direct contact with the ground. When the rolling shutter is used specifically, the rolling shutter 13 is embedded between the limiting assemblies 22 through the rack 3, the rack 3 is meshed and connected with the gear 223 on the limiting assemblies 22, the rolling shutter 13 is conveniently embedded in the bottom sealing mechanism 2, meanwhile, the gear 223 is clamped through the clamping claw 224 to limit the gear 223 to rotate reversely so as to clamp the rolling shutter 13 in the bottom sealing mechanism 2, and the rolling shutter 13 is prevented from sliding upwards due to the fact that a control system on the rolling shutter body 1 does not work; when the rolling screen 13 needs to be opened, the claw 224 is pressed downwards, so that the claw 224 is disengaged from the gear 223. The utility model has the technical characteristics of improving the smoke isolation effect of the fireproof rolling door and avoiding the harm to personal safety caused by smoke leakage.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A bottom sealing device for a fireproof rolling door comprises a rolling door body (1), wherein the rolling door body (1) comprises a door frame (11), a box body (12) and a rolling curtain (13), the box body (12) is installed at the upper end of the door frame (11), one end of the rolling curtain (13) is rotatably connected in the box body (12), the other end of the rolling curtain is vertically and slidably connected with the door frame (11), and the bottom sealing device is characterized in that,

still include bottom seal mechanism (2), bottom seal mechanism (2) are installed the lower extreme of portal (11), the equal vertical rack (3) that are equipped with of leading flank and the trailing flank of roll curtain (13) lower extreme, work as roll curtain (13) gliding arrive when the bottom of portal (11), roll curtain (13) pass through rack (3) gomphosis is in bottom seal mechanism (2) and with bottom seal mechanism (2) spacing connection.

2. A bottom sealing device for a fire-resistant rolling door as claimed in claim 1, wherein said bottom sealing mechanism (2) comprises a housing (21) with an upper end opened and two limiting assemblies (22), the two limiting assemblies (22) are symmetrically arranged on the front and rear inner side walls of the housing (21), and said rolling curtain (13) is embedded between the two limiting assemblies (22) through said rack (3) and is in limiting connection with said bottom sealing mechanism (2).

3. A bottom sealing device for a fire protection rolling door according to claim 2, wherein the limiting member (22) comprises two mounting plates (221), a rotating shaft (222) and a gear (223), the two mounting plates (221) are mounted on the inner side wall of the housing (21) at intervals, the gear (223) is rotatably connected between the two mounting plates (221) through the rotating shaft (222), and the gear (223) is engaged with the rack (3).

4. A bottom seal assembly for a fire resistant roller door as claimed in claim 3 further comprising a latch (224), said latch (224) being rotatably connected to a side wall of said housing (21) above said gear (223) on one of said stop assemblies (22), one end of said latch (224) being engaged with said gear (223) and the other end extending outside of said housing (21).

5. A bottom sealing device for a fire door as claimed in claim 2, wherein said housing (21) is formed in a U-shaped structure having two high ends and a low middle, and said stopper members (22) are installed at both ends of the housing (21).

6. A bottom seal for a fire protection rolling door according to claim 2, wherein a cover plate (4) is mounted on the upper end of the housing (21), and a through groove (41) for the rolling door (13) to pass through is formed on the cover plate (4).

7. A bottom seal for a fire protection rolling door according to claim 2, characterized in that the bottom of the housing (21) is fitted with a seal (5).