CN220151237U - Fireproof folding door - Google Patents

Abstract

The utility model provides a fireproof folding door, which is applied to the field of fireproof doors, and has the technical scheme that: comprising the following steps: a support frame fixed to the ceiling; the rope coiling wheel is rotationally connected with the support frame and is arranged along the vertical direction along the axial direction; the multi-face door curtain is hung on the supporting frame and comprises a plurality of connecting plates which are distributed in a vertical direction, rope penetrating rings are fixed on the connecting plates, the rope penetrating rings on the connecting plates are positioned on the same vertical line, the rope penetrating rings positioned on the same vertical line are in a group, and fireproof cloth is fixed between every two adjacent connecting plates; the plurality of traction ropes are wound on the rope coiling wheel, the number of the traction ropes is corresponding to the number of the rope threading rings, and each traction rope penetrates into one group of rope threading rings and is fixedly connected with the lowest rope threading ring; a driving device for driving the rope coiling wheel to rotate; the method has the technical effects that: the plurality of curtains can be driven to open and close by one driving structure.

Description

Fireproof folding door

Technical Field

The utility model relates to the field of fireproof doors, in particular to a fireproof folding door.

Background

Fireproof doors are doors which meet the requirements of fire resistance stability, integrity and heat insulation in a certain period of time and are commonly used for isolating flames and protecting internal articles.

At present, chinese patent application with publication number of CN108625751A discloses a fireproof rolling shutter door, which comprises a main body and a wall body, wherein a scroll is fixed above the main body, an axle center is arranged in the middle of the scroll, a baffle is welded on the right side of the axle center, a door curtain is connected below the scroll, fireproof cloth is attached to the surface of the door curtain, a first gear is fixed on the left side of the axle center, a chain is wound on the surface of the first gear, the other end of the chain is connected with a second main gear, a second auxiliary gear is arranged beside the second main gear, a third gear is connected above the second auxiliary gear, and a rotating motor is installed at one end of the third gear.

The existing fireproof rolling door has the advantages that the fireproof heat-insulating effect can be well achieved, however, the device for driving the rolling door to open and close is designed on the side of the rolling door, large space is occupied in the horizontal direction, meanwhile, each door curtain is driven through a single driving structure, a plurality of driving structures are required to be installed under the condition that a plurality of door curtains are combined to be used, and the installation is complex and the use is quite unchanged.

Disclosure of Invention

The utility model aims to provide a fireproof folding door, which has the advantage that a plurality of door curtains can be driven to open and close by one driving structure.

To achieve the above and other related objects, the present utility model provides the following technical solutions: a fire resistant folding door comprising:

a support frame fixed to the ceiling;

the rope coiling wheel is rotationally connected with the support frame and is arranged along the vertical direction along the axial direction;

the multi-face door curtain is hung on the supporting frame and comprises a plurality of connecting plates which are distributed in a vertical direction, rope penetrating rings are fixed on the connecting plates, the rope penetrating rings on the connecting plates are positioned on the same vertical line, the rope penetrating rings on the same vertical line are in a group, and fireproof cloth is fixed between every two adjacent connecting plates;

the plurality of traction ropes are wound on the rope coiling wheel, the number of the traction ropes is corresponding to the number of the rope threading rings, and each traction rope penetrates into one group of rope threading rings and is fixedly connected with the lowest rope threading ring; the method comprises the steps of,

and the driving device is used for driving the rope coiling wheel to rotate.

According to the technical scheme, the driving device drives the rope coiling wheel to rotate, so that the traction rope is wound on the rope coiling wheel, the length of the traction rope between the rope coiling wheel and the connecting plates can be gradually reduced in the winding process, the lowest connecting plate is pulled to move upwards, the lower connecting plate is gradually propped against the connecting plate above in the moving process, all the connecting plates are driven to move upwards, the door curtain is folded, and a plurality of rope penetrating rings play a role in guiding and stabilizing in the winding process; the door curtain is put down only by making the rope coiling wheel reversely rotate, the scheme makes a plurality of traction ropes wound on the rope coiling wheel through one rope coiling wheel rotation, and the multi-face door curtain is driven to open and close through the plurality of traction ropes, so that the multi-face door curtain is controlled to open and close by using one driving device, the installation and the use are convenient, and meanwhile, the driving device is arranged above and the space is saved.

In an embodiment of the utility model, the traction rope further comprises a plurality of phase-changing wheels arranged on the support frame, the phase-changing wheels are arranged in one-to-one correspondence with the number of groups of the rope threading rings, and the traction rope penetrates into the rope threading rings after being turned by the turning wheels.

Through the technical scheme, the phase-changing wheel changes the direction of the traction rope between the penetrating rope penetrating rings into the vertical direction, so that the action of friction force between the traction rope and the rope penetrating rings is reduced, meanwhile, the direct contact between the traction rope and the supporting frame can be avoided, and the abrasion of the traction rope is reduced.

In an embodiment of the utility model, at least two rope threading rings are provided on each connecting plate.

Through the technical scheme, the two ends of the connecting plate can be synchronously moved by the two rope threading rings, so that the connecting plate is prevented from deflecting in the sliding process, and the stability is enhanced.

In an embodiment of the utility model, the rope threading ring is arranged on one side of the connecting plate close to the rope coiling wheel and one side of the connecting plate far from the rope coiling wheel.

Through the technical scheme, the inner side and the outer side of the connecting plate can synchronously move along the vertical direction, so that the deflection of the connecting plate in the moving process is avoided, and the stability is enhanced.

In an embodiment of the utility model, two ends of the rope coiling wheel are respectively connected with the supporting frame and the ceiling in a rotating way.

Through above-mentioned technical scheme, reinforcing dish rope pulley rotatory stability makes the pivot of dish rope sheave set up along vertical direction all the time.

In an embodiment of the utility model, the driving device is provided as a servo motor with a speed reducer.

Through above-mentioned technical scheme, servo can drive the dish rope sheave and rotate along forward and reverse, realizes the lifting of door curtain and puts down, and the speed reducer plays the deceleration effect, avoids dragging rope pulling to pull too soon and causes dragging rope wearing and tearing.

As described above, the fireproof folding door of the utility model has the following beneficial effects:

the driving device drives the rope coiling wheel to rotate, so that the length of the traction rope between the rope coiling wheel and the connecting plate is gradually reduced in the winding process, the lowest connecting plate is pulled to move upwards, the lower connecting plate is gradually propped against the upper connecting plate in the moving process, all the connecting plates are driven to move upwards, the door curtain is retracted, and a plurality of rope penetrating rings play a role in guiding and stabilizing in the winding process; the door curtain is put down only by making the rope coiling wheel reversely rotate, the scheme makes a plurality of traction ropes wound on the rope coiling wheel through one rope coiling wheel rotation, and the multi-face door curtain is driven to open and close through the plurality of traction ropes, so that the multi-face door curtain is controlled to open and close by using one driving device, the installation and the use are convenient, and meanwhile, the driving device is arranged above and the space is saved.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model;

fig. 2 is a top view of an embodiment of the present utility model.

Reference numerals: 1. a support frame; 2. rope coiling wheel; 3. a door curtain; 4. a connecting plate; 5. a rope threading ring; 6. fireproof cloth; 7. a hoisting rope; 8. a driving device; 9. a phase-change wheel; 10. a connecting rod; 11. and a supporting frame.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1, the present utility model provides a fireproof folding door, comprising:

the support frame 1 fixed on the ceiling, the support frame 1 comprises a plurality of connecting rods 10 fixed on the ceiling through bolts, and a support frame 11 fixed at one end of the connecting plate 4 far away from the ceiling and arranged along the horizontal direction, wherein the support frame 11 and the connecting rods 10 are fixed through screws.

Referring to fig. 1, the device further comprises a rope coiling wheel 2 which is rotatably connected to the support frame 1 and is arranged along the vertical direction in the axial direction; the rope coiling wheel 2 is driven to rotate by the driving device 8, the driving device 8 is arranged to be a servo motor with a speed reducer in the embodiment, a shell part of the servo motor and the speed reducer is fixed on the supporting frame 11 through screws, the bottom end of the rope coiling wheel 2 is connected with an output shaft of the speed reducer through a flange, and the top end of the rope coiling wheel is connected to a ceiling through a bearing in a rotating mode.

Referring to fig. 1 and 2, the door curtain further comprises a multi-surface door curtain 3 suspended on the bottom surface of the supporting frame 11, each door curtain 3 comprises a plurality of connecting plates 4 distributed along the vertical direction, rope penetrating rings 5 are welded and fixed on the connecting plates 4, the rope penetrating rings 5 on the plurality of connecting plates 4 are positioned on the same vertical line, the rope penetrating rings 5 positioned on the same vertical line are in a group, fireproof cloth 6 is glued and fixed between every two adjacent connecting plates 4, in the embodiment, the door curtain 3 is provided with four connecting plates, and the connecting plate 4 positioned at the uppermost part is fixed on the connecting plates 4 through screws;

the connecting plate 4 is arranged along the horizontal direction, and two rope threading rings 5 are respectively fixed on one side of the connecting plate 4 close to the rope coiling wheel 2 and one side far away from the rope coiling wheel 2.

Referring to fig. 1 and 2, the device further comprises a plurality of traction ropes 7 wound on the rope coiling wheel 2, the number of the traction ropes 7 is corresponding to the number of the groups of the rope threading rings 5, each traction rope 7 respectively penetrates into one group of the rope threading rings 5 and is knotted and fixed with the lowest rope threading ring 5, each connecting plate 4 respectively pulls the connecting plates 4 from two ends and two sides through four traction ropes 7, the deflection of the connecting plates 4 in the pulling process is avoided, and the winding and unwinding stability of the door curtain 3 is improved.

Referring to fig. 1, the device further includes a plurality of phase-changing wheels 9 disposed on the supporting frame 11, the phase-changing wheels 9 are disposed in one-to-one correspondence with the number of groups of the rope-threading rings 5, a rotating frame is fixed on the supporting frame 11 through screws, the phase-changing wheels 9 are rotatably connected to the rotating frame, and the traction rope 7 penetrates into the rope-threading rings 5 after being changed into a vertical direction by the direction-changing wheels.

The use process is briefly described: the driving device 8 drives the rope coiling wheel 2 to rotate, so that the traction rope 7 is wound on the rope coiling wheel 2, the length of the traction rope 7 between the rope coiling wheel 2 and the connecting plates 4 is gradually reduced in the winding process, the lowest connecting plate 4 is pulled to move upwards, the lower connecting plate 4 is gradually propped against the upper connecting plate 4 in the moving process, all the connecting plates 4 are driven to move upwards, the door curtain 3 is retracted, and a plurality of rope penetrating rings 5 play a role in guiding and stabilizing in the moving process; the curtain 3 is put down only by making the rope coiling wheel 2 reversely rotate, the scheme makes a plurality of traction ropes 7 wound on the rope coiling wheel 2 through the rotation of the rope coiling wheel 2, and the multi-face curtain 3 is driven to open and close through the plurality of traction ropes 7, so that the multi-face curtain 3 is controlled to open and close by using one driving device 8, and the installation and the use are convenient.

In summary, the present utility model can drive the plurality of curtains 3 to open and close by one driving structure. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (6)

1. A fire resistant folding door comprising:

a support frame (1) fixed to the ceiling;

the rope coiling wheel (2) is rotatably connected with the support frame (1) and is arranged along the vertical direction along the axial direction;

the multi-face door curtain (3) is hung on the supporting frame (1), the door curtain (3) comprises a plurality of connecting plates (4) which are distributed in a vertical direction, rope penetrating rings (5) are fixed on the connecting plates (4), the rope penetrating rings (5) on the connecting plates (4) are arranged on the same vertical line, the rope penetrating rings (5) on the same vertical line are in a group, and fireproof cloth (6) is fixed between every two adjacent connecting plates (4);

the plurality of traction ropes (7) are wound on the rope coiling wheel (2), the number of the traction ropes (7) is corresponding to the number of the rope threading rings (5), and each traction rope (7) respectively penetrates into one group of the rope threading rings (5) and is fixedly connected with the lowest rope threading ring (5); the method comprises the steps of,

and a driving device (8) for driving the rope coiling wheel (2) to rotate.

2. The fire resistant folding door of claim 1, wherein: the device also comprises a plurality of phase-changing wheels (9) arranged on the support frame (1), the phase-changing wheels (9) are arranged in one-to-one correspondence with the number of groups of the rope threading rings (5), and the hauling ropes (7) penetrate into the rope threading rings (5) after being turned by the direction-changing wheels.

3. The fire resistant folding door of claim 2, wherein: at least two rope threading rings (5) are arranged on each connecting plate (4).

4. The fire resistant folding door of claim 1, wherein: the connecting plate (4) is arranged along the horizontal direction, and the rope threading ring (5) is arranged on one side of the connecting plate (4) close to the rope coiling wheel (2) and one side far away from the rope coiling wheel (2).

5. The fire resistant folding door of claim 1, wherein: the two ends of the rope coiling wheel (2) are respectively connected with the supporting frame (1) and the ceiling in a rotating way.

6. A fire resistant folding door according to any one of claims 1 to 5 wherein: the driving device (8) is arranged as a servo motor with a speed reducer.