Fireproof rolling shutter door easy and fast to install

Abstract

The utility model discloses a fireproof rolling shutter door easy to mount quickly, which relates to the technical field of fireproof rolling shutter doors and comprises a ceiling wall, a rolling shutter door body positioned below the ceiling wall, a hoisting rotating shaft positioned above the rolling shutter door body and a double-end threaded rod positioned on the rear side of the rolling shutter door body. Driving mechanisms are arranged at the end of the hoisting rotating shaft and the end of the double-end threaded rod, each driving mechanism comprises a driving wheel assembly, and the driving wheel assemblies are fixedly connected to one end of the hoisting rotating shaft or one end of the double-end threaded rod and can drive the hoisting rotating shaft or the double-end threaded rod to rotate; and the pulling assembly is arranged on the outer side of the driving wheel assembly in a sleeving mode, and the pulling assembly drives the driving wheel assembly to rotate. Through the arrangement of the driving mechanism, a user can conveniently drive the lifting rotating shaft or the double-end threaded rod to rotate through the cooperation of the pulling assembly and the driving wheel assembly of the pulling assembly, and therefore installation of the whole fireproof rolling shutter door is achieved.

Description

Technical Field

[0001] The utility model relates to the field of fireproof rolling shutter doors, in particular to a fireproof rolling shutter door which is easy to install quickly. Background Art

[0002] Fireproof rolling shutter doors are mainly used in buildings. They can insulate and prevent the spread of fire for a certain period of time. Fireproof rolling shutter doors are generally composed of curtain plates, rollers, motors, guide rails, brackets, protective covers and control mechanisms.

[0003] For example, a fireproof rolling shutter door that is easy to install quickly and disclosed in the authorization announcement number CN219864783U includes a ceiling wall and a door frame, a door frame is installed in the middle of the bottom of the ceiling wall, a support frame is installed in the middle of both sides of the interior of the ceiling wall, a locking pin is sleeved in the middle of the interior of the support frame, a motor is installed on both sides of the interior of the ceiling wall, a rotating shaft is installed on the output shaft of the motor, the rotating shaft is sleeved in the locking pin, the locking pin is plugged in the middle of both sides of the main unit, a fireproof rolling shutter door is installed in the middle of the bottom of the main unit, and the fireproof rolling shutter door is arranged on the front surface of the door frame. A fireproof rolling shutter door that is easy to install quickly and easily solves the problem that the fixing mechanism of the existing fireproof rolling shutter door is relatively complicated, the installation of the fireproof rolling shutter door takes a relatively long time, and the installation efficiency of the fireproof rolling shutter door is affected, and the installation time of the fireproof rolling shutter door is reduced, thereby improving the installation efficiency of the fireproof rolling shutter door.

[0004] However, the above-mentioned prior art does not rely on manpower as the power source to cooperate with the driving mechanism for installation, but relies on a motor as the driving force for installation. First of all, the maintenance cost is greatly increased, and the motor is a power component. After long-term use, it is easy to be damaged, which makes it difficult to disassemble the fire shutter door later. In addition, the motor is located at a high place, and it is difficult to repair it when it is damaged. For this reason, we propose a fire shutter door that is easy and quick to install. Utility Model Content

[0005] The purpose of the utility model is to provide a fireproof rolling shutter door that is easy to install quickly and easily. By setting a driving mechanism, it is convenient for users to utilize the cooperation of a pulling assembly and its driving wheel assembly to conveniently drive the lifting shaft or the double-headed threaded rod to rotate, thereby realizing the installation of the entire fireproof rolling shutter door.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fireproof rolling shutter door that is easy to install quickly, comprising a ceiling wall, a rolling shutter door body located below the ceiling wall, a lifting shaft located above the rolling shutter door body, and a double-headed threaded rod located at the rear side of the rolling shutter door body, the ends of the lifting shaft and the ends of the double-headed threaded rod are both provided with a driving mechanism, and the driving mechanism comprises:

[0007] A driving wheel assembly, wherein the driving wheel assembly is fixedly connected to one end of the lifting shaft or one end of the double-threaded rod, and the driving wheel assembly can drive the lifting shaft or the double-threaded rod to rotate;

[0008] A pulling assembly, wherein the pulling assembly is sleeved on the outside of the driving wheel assembly, and the pulling assembly drives the driving wheel assembly to rotate;

[0009] A limiting assembly, the limiting assembly is arranged above the driving wheel assembly, and the limiting assembly is used to prevent the pulling assembly from being separated from the driving wheel assembly;

[0010] A fixing assembly is arranged on the double-headed threaded rod, and the fixing assembly is used to fix the rolling door body.

[0011] Preferably, the driving wheel assembly includes a wheel body fixedly connected to one end of the lifting shaft, an annular groove opened in the middle of the wheel body, and a plurality of hemispherical grooves opened on the outer surface of the annular groove, and the plurality of hemispherical grooves are distributed in a circular array with the wheel center of the wheel body as the array center, and the width dimension inside the annular groove decreases successively from the outside to the inside.

[0012] Preferably, the limiting assembly includes a fixed plate fixedly connected to the side of the ceiling wall, a lifting threaded rod threadedly connected to the middle of the fixed plate, a rotating round block fixedly connected to one end of the lifting threaded rod, a protrusion rotatably connected to the other end of the lifting threaded rod, an arc-shaped limiting plate fixedly connected to the bottom end of the protrusion, and two limiting rods fixedly connected to the top end of the arc-shaped limiting plate, and one end of each limiting rod is plugged into the outer surface of the fixed plate.

[0013] Preferably, the fixing assembly includes a movable plate threadedly connected to the outer surface of the double-start threaded rod and a locking pin fixedly connected to one side of the movable plate.

[0014] Preferably, the pulling assembly includes a pull rope and a plurality of embedded beads fixedly disposed on the pull rope, and the plurality of embedded beads are equidistantly distributed.

[0015] Preferably, the outer arc-shaped contour of the arc-shaped limiting plate is matched with the outer circular contour of the driving wheel assembly, and the width dimension of the arc-shaped limiting plate is the same as the width dimension of the driving wheel assembly.

[0016] Technical effects and advantages of the utility model:

[0017] By pulling the pulling assembly, the pulling assembly drives the driving wheel assembly to rotate, and the driving wheel assembly drives the lifting shaft to rotate, so that the rolling door body is lifted. When the rolling door body is lifted to a suitable position, the pulling assembly at the double-headed threaded rod is pulled again, so that the driving wheel assembly rotates, thereby rotating the double-headed threaded rod, so that the fixing assembly can fix the rolling door body. This design realizes the later installation by setting up a human pulling method, avoiding the trouble of increasing the maintenance cost of the motor. At the same time, when installing the ceiling wall, the pulling assembly can be connected to the driving wheel assembly, and the operation will not be too cumbersome. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the planar structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the internal structure of the ceiling wall of the utility model.

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point B in the middle.

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the driving wheel assembly of the utility model.

[0023] In the figure: 1. Ceiling wall; 2. Rolling door body; 3. Locking pin; 4. Lifting shaft; 5. Driving wheel assembly; 501. Wheel body; 502. Annular groove; 503. Hemispherical groove; 6. Pull assembly; 601. Pull rope; 602. Embossed bead; 7. Limiting assembly; 701. Fixed plate; 702. Lifting threaded rod; 703. Rotating round block; 704. Bump; 705. Arc-shaped limiting plate; 706. Limiting rod; 8. Double-headed threaded rod; 9. Moving plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1-5The fireproof rolling shutter door shown in the figure is easy to install quickly, including a ceiling wall 1, a rolling shutter door body 2 located below the ceiling wall 1, a lifting shaft 4 located above the rolling shutter door body 2, and a double-headed threaded rod 8 located on the rear side of the main body of the rolling shutter door body 2. The ends of the lifting shaft 4 and the ends of the double-headed threaded rod 8 are both provided with a driving mechanism, and the driving mechanism includes: a driving wheel assembly 5, the driving wheel assembly 5 is fixedly connected to one end of the lifting shaft 4 or one end of the double-headed threaded rod 8, and the driving wheel assembly 5 can drive the lifting shaft 4 or the double-headed threaded rod 8 to rotate; a pulling assembly 6, the pulling assembly 6 is sleeved on the outside of the driving wheel assembly 5, and the pulling assembly 6 drives the driving wheel assembly 5 to rotate; a limiting assembly 7, the limiting assembly 7 is arranged above the driving wheel assembly 5, and the limiting assembly 7 is used to prevent the pulling assembly 6 from being pulled against the driving wheel assembly 5 Separation; fixing component, the fixing component is arranged on the double-headed threaded rod 8, and the fixing component is used to fix the rolling door body 2; by pulling the pulling component 6, the pulling component 6 drives the driving wheel component 5 to rotate, so that the driving wheel component 5 drives the lifting shaft 4 to rotate, so as to use the lifting mechanism disclosed in the prior art to lift the rolling door body 2, the lifting mechanism can be a take-up wheel connected to the outer surface of the lifting shaft 4 and a rope located on the outer surface of the take-up wheel and a hook connected to the rope. When the rolling door body 2 is lifted to a suitable position, the pulling component 6 at the double-headed threaded rod 8 is pulled again, so that the driving wheel component 5 is rotated, thereby making the double-headed threaded rod 8 rotate, so that the fixing component can fix the rolling door body 2, wherein the limiting component 7 can prevent the pulling component 6 from being separated from the driving wheel component 5.

[0026] This design realizes the later installation by setting a human pulling method, avoiding the trouble of increasing the maintenance cost of the motor. At the same time, when installing the ceiling wall 1, the pulling component 6 can be connected to the driving wheel component 5.

[0027] It should be particularly noted that the driving wheel assembly 5 includes a wheel body 501 fixedly connected to one end of the lifting shaft 4, an annular groove 502 opened in the middle of the wheel body 501 and a plurality of hemispherical grooves 503 opened on the outer surface of the annular groove 502, and the plurality of hemispherical grooves 503 are distributed in a circular array with the wheel center of the wheel body 501 as the array center, and the width of the annular groove 502 decreases from the outside to the inside; the pulling assembly 6 includes a pull rope 601 and a plurality of embedded beads 602 fixedly arranged on the pull rope 601, and the plurality of embedded beads 602 are equidistantly distributed; when the ceiling wall 1 is pre-installed, the pulling assembly 6 can be Part 6 is sleeved on the driving wheel assembly 5, so that the embedded bead 602 is inserted into the corresponding hemispherical groove 503, and the annular groove 502 also facilitates to guide the embedded bead 602 to quickly insert into the hemispherical groove 503, and then the user below pulls the entire pulling assembly 6, so that the pull rope 601 drives the embedded bead 602 to move, thereby driving the wheel body 501 to rotate. When the wheel body 501 rotates, a part of the embedded bead 602 is separated from the hemispherical groove 503, and a part of the embedded bead 602 will continue to be inserted into the hemispherical groove 503, thereby achieving the purpose of driving the lifting shaft 4 or the double-headed threaded rod 8 to rotate.

[0028] It should be further explained that the limiting assembly 7 includes a fixed plate 701 fixedly connected to the side of the ceiling wall 1, a lifting threaded rod 702 threadedly connected to the middle of the fixed plate 701, a rotating round block 703 fixedly connected to one end of the lifting threaded rod 702, a protrusion 704 rotatably connected to the other end of the lifting threaded rod 702, an arc-shaped limiting plate 705 fixedly connected to the bottom end of the protrusion 704 and two limiting rods 706 fixedly connected to the top of the arc-shaped limiting plate 705, and one end of each limiting rod 706 is plugged into the outer surface of the fixed plate 701; when it is necessary to limit the pulling assembly 6, the rotating round block 703 is rotated so that the rotating round block The block 703 drives the lifting threaded rod 702 to rotate. At the same time, due to the existence of the limiting rod 706, the arc-shaped limiting plate 705 is limited. The rotating lifting threaded rod 702 will drive the arc-shaped limiting plate 705 to descend, so that the arc-shaped limiting plate 705 is infinitely close to the wheel body 501, thereby limiting the pulling assembly 6 connected to the driving wheel assembly 5, thereby avoiding the separation of the mosaic bead 602 and the hemispherical groove 503. When the pulling assembly 6 needs to be replaced, the round block 703 can be reversed to make the arc-shaped limiting plate 705 move away from the wheel body 501, and then separate the mosaic bead 602 from the hemispherical groove 503, so as to replace the pulling assembly 6.

[0029] Furthermore, the outer arc contour of the arc limiting plate 705 is compatible with the outer circular contour of the driving wheel assembly 5, and the width dimension of the arc limiting plate 705 is the same as the width dimension of the driving wheel assembly 5; the arc limiting plate 705 can better limit the pulling assembly 6 on the wheel body 501.

[0030] Furthermore, the fixing assembly includes a moving plate 9 threadedly connected to the outer surface of the double-threaded rod 8 and a locking pin 3 fixedly connected to one side of the moving plate 9; the double-threaded rod 8 rotates to drive the moving plate 9 to move, wherein one side of the moving plate 9 abuts against the inner wall surface of the ceiling wall 1 to prevent the moving plate 9 from rotating, and the locking pin 3 on the moving plate 9 is connected to the rolling door body 2, wherein the specific connection between the locking pin 3 and the rolling door body 2 has been disclosed in the prior art and will not be repeated here. At the same time, the user can also use the fixing assembly in the prior art disclosed in the background technology instead of using the fixing assembly, except that the motor driving the rotating shaft to rotate is replaced by the driving wheel assembly 5 of the present invention driving the rotating shaft to rotate.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A fireproof rolling shutter door that is easy to install quickly, comprising a ceiling wall (1), a rolling shutter door body (2) located below the ceiling wall (1), a lifting shaft (4) located above the rolling shutter door body (2), and a double-headed threaded rod (8) located at the rear side of the main body of the rolling shutter door body (2), characterized in that: The ends of the lifting shaft (4) and the ends of the double-headed threaded rod (8) are both provided with a driving mechanism, and the driving mechanism comprises: A driving wheel assembly (5), wherein the driving wheel assembly (5) is fixedly connected to one end of the lifting shaft (4) or one end of the double-headed threaded rod (8), and the driving wheel assembly (5) can drive the lifting shaft (4) or the double-headed threaded rod (8) to rotate; A pulling assembly (6), wherein the pulling assembly (6) is sleeved on the outer side of the driving wheel assembly (5), and the pulling assembly (6) drives the driving wheel assembly (5) to rotate; A limiting assembly (7), wherein the limiting assembly (7) is arranged above the driving wheel assembly (5), and the limiting assembly (7) is used to prevent the pulling assembly (6) from separating from the driving wheel assembly (5); A fixing component is arranged on a double-headed threaded rod (8), and the fixing component is used to fix the rolling door body (2).

2. A fireproof rolling shutter door that is easy to install quickly according to claim 1, characterized in that: The driving wheel assembly (5) comprises a wheel body (501) fixedly connected to one end of the lifting shaft (4), an annular groove (502) opened in the middle of the wheel body (501), and a plurality of hemispherical grooves (503) opened on the outer surface of the annular groove (502), wherein the plurality of hemispherical grooves (503) are distributed in a circular array with the wheel center of the wheel body (501) as the array center, and the width dimension inside the annular groove (502) decreases from the outside to the inside.

3. The fireproof rolling shutter door that is easy to install quickly according to claim 1, characterized in that: The limiting assembly (7) comprises a fixing plate (701) fixedly connected to the side of the ceiling wall (1), a lifting threaded rod (702) threadedly connected to the middle of the fixing plate (701), a rotating round block (703) fixedly connected to one end of the lifting threaded rod (702), a protrusion (704) rotatably connected to the other end of the lifting threaded rod (702), an arc-shaped limiting plate (705) fixedly connected to the bottom end of the protrusion (704), and two limiting rods (706) fixedly connected to the top end of the arc-shaped limiting plate (705), and one end of each limiting rod (706) is plugged into the outer surface of the fixing plate (701).

4. The fireproof rolling shutter door that is easy to install quickly according to claim 1, characterized in that: The fixing assembly comprises a moving plate (9) threadedly connected to the outer surface of the double-threaded rod (8) and a locking pin (3) fixedly connected to one side of the moving plate (9).

5. The fireproof rolling shutter door that is easy to install quickly according to claim 2, characterized in that: The pulling assembly (6) comprises a pull rope (601) and a plurality of embedded beads (602) fixedly arranged on the pull rope (601), and the plurality of embedded beads (602) are distributed at equal distances.

6. The fireproof rolling shutter door that is easy to install quickly according to claim 3, characterized in that: The outer arc-shaped contour of the arc-shaped limiting plate (705) is compatible with the outer circular contour of the driving wheel assembly (5), and the width dimension of the arc-shaped limiting plate (705) is the same as the width dimension of the driving wheel assembly (5).

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