CN213432671U - Novel fire-proof rolling curtain - Google Patents

Abstract

The utility model relates to a novel fire prevention roller shutter, including mounting bracket and roller shutter, the roller shutter passes through curtain cloth rolling component and sets up on the mounting bracket, the mounting bracket bottom is fixed with the restriction pole that two symmetries set up, the restriction groove has all been seted up to one side that the restriction pole is close to each other, set up the coiling hole that supplies the roller shutter to pass on the mounting bracket bottom plate, the one end that the mounting bracket was kept away from to the roller shutter is passed the coiling hole and is extended between two restriction poles and stretch into the restriction groove that corresponds, be provided with the restriction component that is used for preventing the roller shutter from waving in the restriction groove, the one end that the mounting bracket was kept away from to the roller shutter is fixed with the counterweight rod, the counterweight rod is located between two restriction poles, the one. The utility model has the advantages of difficult following the wind and waving, better stability has.

Description

Novel fire-proof rolling curtain

Technical Field

The utility model belongs to the technical field of fire-proof equipment's technique and specifically relates to a novel fire prevention is rolled up curtain.

Background

The fire-proof rolling curtain is mainly used for walls needing fire-proof separation, in particular to the fire-proof separation when a fire-proof door cannot be arranged on a fire-proof wall and a fire partition wall due to the need of opening a large opening in production, use and the like. The curtain surface of the roller shutter can be lifted and lowered through a transmission device and a control system. Has the functions of fire prevention and fire insulation.

The bottom of the rolling curtain of the existing fireproof rolling curtain is provided with the counterweight rod when in use, the counterweight rod can enable the rolling curtain to stretch flat, the folds of the rolling curtain are reduced, the rolling curtain can better cover when the opening of a wall surface is shielded, and the better fire-proof and smoke-proof effects can be achieved. However, when wind blows to the roller blind, the roller blind may drive the weight rod to float when the wind is strong, and the inertia of the weight rod is also strong due to the fact that the weight rod is strong, and the roller blind is difficult to restore to flat in a short time after the weight rod floats, so that the capability of the roller blind for isolating smoke and fire is weakened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel fire prevention roll-up curtain, it has the advantage that is difficult for following the wind and waving, has better stability.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a novel fire prevention is rolled up curtain, including mounting bracket and roll up the curtain, it sets up on the mounting bracket to roll up the curtain through curtain cloth rolling component, the mounting bracket bottom is fixed with the restriction pole that two symmetries set up, the restriction groove has all been seted up to the one side that the restriction pole is close to each other, set up the coiling hole that supplies to roll up the curtain and pass on the mounting bracket bottom plate, the one end that the mounting bracket was kept away from to roll up the curtain is passed the coiling hole and is extended between two restriction poles and stretch into the restriction groove that corresponds, be provided with the restriction component that is used for preventing to roll up the curtain and waves in the restriction groove, the one end that the mounting bracket was kept away from to roll up the curtain is fixed with the.

As a further aspect of the present invention: the restriction subassembly includes flexible groove, elastic component, clamp plate and universal ball, and flexible groove is seted up on the both sides cell wall of restriction groove, flexible groove, the tank bottom in flexible groove is fixed to the elastic component, and the clamp plate is fixed in the elastic component and is kept away from the one end of flexible tank bottom, and the both sides wall of clamp plate is contradicted with the both sides cell wall in flexible groove, and universal ball installs in the one side that the elastic component was kept away from to the clamp plate, and universal ball keep away from the one end of flexible tank bottom with the side of rolling up the curtain is contradicted.

As a further aspect of the present invention: curtain cloth rolling component includes mounting panel, rolling motor and rolling axle, and the mounting panel is fixed on the bottom plate of mounting bracket, and rolling motor installs on the mounting panel, and the rolling axle is fixed on rolling motor's output shaft, and rolling motor's one end is kept away from to the rolling axle is passed through bearing and mounting bracket and is kept away from rolling motor's curb plate and rotate and be connected, the roll curtain is kept away from the one end and the rolling axle fixed connection of counterweight rod, the roll curtain is convoluteed on the rolling axle.

As a further aspect of the present invention: sealing plates are fixed on the front side and the rear side of the mounting rack.

As a further aspect of the present invention: the elastic piece is selected as a spring.

To sum up, the utility model discloses a beneficial technological effect does:

1. the curtain cloth winding assembly can drive the roller shutter to extend out of the mounting frame, the extended roller shutter falls to the ground under the action of the counterweight rods, the roller shutter can shield an opening between the fire-proof walls to play a role in smoke and fire isolation, and meanwhile, the limiting assembly can play a certain limiting role in the roller shutter to prevent the roller shutter from being blown away together with the counterweight rods due to overlarge wind blowing to the roller shutter, so that the stability of fire and smoke isolation of the roller shutter is improved;

2. the pressure plate pushes the universal ball to press the roller shutter under the action of the elastic part, a certain limiting effect can be achieved on the roller shutter, when wind blows towards the roller shutter, the roller shutter is difficult to separate from the limiting groove due to blowing, and the universal ball has certain pressure on the roller shutter, so that the possibility that the roller shutter separates from the limiting groove due to blowing can be further reduced, the wind resistance and the stability of the roller shutter are improved, and a better smoke-proof and fire-proof effect can be achieved;

3. roll up the curtain in the restriction groove that corresponds, when rolling up the motor and loosening the curtain, roll up the curtain and receive the pulling force of counterweight rod and can push open the universal ball on the clamp plate, and then can be pressed from both sides tightly by the universal ball of restriction groove both sides, increased the wind resistance and the stability of rolling up the curtain.

4. The shrouding can avoid getting into the mounting bracket by outside impurity, and then avoids influencing winding motor's normal operating.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the restraint bar;

fig. 3 is a schematic sectional view of the mounting bracket.

In the figure, 1, a mounting frame; 2. rolling a curtain; 11. closing the plate; 3. a cord fabric winding component; 31. mounting a plate; 32. a winding motor; 33. a winding shaft; 4. a restraining bar; 41. a limiting groove; 12. a coiling hole; 5. a weight lever; 6. a restraining component; 61. a telescopic groove; 62. an elastic member; 63. pressing a plate; 64. a ball transfer unit; 7. and (5) fixing the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, a novel fire-proof roller blind 2 comprises a mounting frame 1 and a roller blind 2, wherein the mounting frame 1 is a square frame and comprises a top plate, a bottom plate and side plates at two ends, and the roller blind 2 is made of fire-proof material glass fiber. Sealing plates 11 are fixed on the front side and the rear side of the mounting rack 1. The roller blind 2 is arranged on the mounting frame 1 through the cord fabric rolling component 3, and the cord fabric rolling component 3 comprises a mounting plate 31, a rolling motor 32 and a rolling shaft 33. The mounting plate 31 is fixed to the bottom plate of the mounting bracket 1 and is adjacent to one side plate of the mounting bracket 1. The winding motor 32 is installed on the installation plate 31, and the winding motor 32 is located between the top plate of the installation frame 1 and the installation wrapping plate. The output shaft of the winding motor 32 faces the side plate of the mounting piece far away from the mounting plate 31, and the winding shaft 33 is fixed on the output shaft of the winding motor 32. One end of the winding shaft 33 far away from the winding motor 32 is rotatably connected with a side plate of the mounting frame 1 far away from the winding motor 32 through a bearing.

Two limiting rods 4 are fixed at the bottom of the mounting frame 1, and the length direction of the limiting rods 4 is perpendicular to the length direction of the mounting frame 1. The two limiting rods 4 are arranged symmetrically on the bottom plate of the mounting frame 1 about the central axis of the mounting frame 1. The same fixing rod 7 is fixed at one end of each limiting rod 4 far away from the mounting frame 1. The two side surfaces of the two limiting rods 4 close to each other are provided with limiting grooves 41, and the limiting grooves 41 on the two limiting rods 4 correspond to each other. A winding hole 12 is formed in the bottom plate of the mounting frame 1, and the winding hole 12 is parallel to the length direction of the mounting frame 1. The winding hole 12 communicates with the restricting grooves 41 of the two restricting bars 4.

One end of the roller blind 2 is fixedly connected to the winding shaft 33, and the other end of the roller blind 2 passes through the winding hole 12, extends between the two limiting rods 4, and extends into the corresponding limiting groove 41. One end of the roller shutter 2 far away from the winding shaft 33 is fixedly connected with a balance weight rod 5, and the balance weight rod 5 is positioned between the two limiting rods 4 and is parallel to the length direction of the mounting frame 1. When the roller blind 2 is wound up, the roller blind is wound on the winding shaft 33, and meanwhile, the weight lever 5 abuts against the bottom surface of the mounting frame 1.

The restriction groove 41 is provided therein with a restriction assembly 6 for preventing the roll screen 2 from drifting, and the restriction assembly 6 includes a telescopic groove 61, an elastic member 62, a pressing plate 63, and a ball 64. The telescopic groove 61 is opened on both side groove walls of the regulating groove 41, and the longitudinal direction of the telescopic groove 61 is parallel to the longitudinal direction of the regulating rod 4. The elastic member 62 is selected as a spring, and the elastic member 62 is fixed at the bottom of the telescopic slot 61 and is uniformly distributed along the length direction of the telescopic slot 61. The pressing plate 63 is fixed at one end of the elastic element 62 far away from the bottom of the telescopic slot 61, the length direction of the pressing plate 63 is parallel to the length direction of the telescopic slot 61, and two side walls of the pressing plate 63 abut against two side walls of the adjacent telescopic slot 61. The universal ball 64 is arranged on one side of the pressing plate 63 far away from the adjacent elastic part 62, the universal ball 64 is uniformly distributed on the pressing plate 63 along the length direction of the pressing plate 63, and one end of the universal ball 64 far away from the bottom of the adjacent telescopic groove 61 is abutted against one side surface of the roller blind 2. In the telescopic grooves 61 of the groove walls at both sides of the restriction groove 41, the corresponding universal balls 64 at both sides are respectively abutted against both sides of the roll screen 2 by the corresponding pressing plate 63 and the corresponding elastic member 62.

The implementation principle of the embodiment is as follows: when people use the utility model, people need to put down the roller blind 2 when the roller blind 2 is completely rolled on the rolling shaft 33, and the roller blind 2 shields the opening between the partition walls, when the roller shutter 2 is loosened, the rolling motor 32 is started, the rolling motor 32 drives the rolling shaft 33 to rotate, the roller shutter 2 wound on the rolling shaft 33 is loosened, the loosened roller shutter 2 is always in a tightened state under the action of the counterweight rod 5, and along with the rotation of the winding motor 32, the counterweight rod 5 can drive the roller shutter 2 to prop against the universal ball 64 in the limiting groove 41, finally the roller shutter 2 is unfolded on the limiting rod 4, the two side edges of the unfolded roller shutter 2 are respectively inserted into the limiting grooves 41 of the two limiting rods 4, the roller shutters 2 are tightly propped by the universal ball 64, and the propped roller shutters 2 cannot easily separate from the limiting groove 41, so that the wind resistance and the stability are better, and the smoke and fire insulation effects can be better achieved;

when the roller blind 2 needs to be rolled up, the rolling motor 32 is directly driven to roll the roller blind 2 onto the rolling shaft 33.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (5)

1. The utility model provides a novel fire prevention roll screen, includes mounting bracket (1) and roll screen (2), its characterized in that: the roller shutter (2) is arranged on the mounting frame (1) through the curtain cloth rolling component (3), two limiting rods (4) which are symmetrically arranged are fixed at the bottom of the mounting frame (1), limiting grooves (41) are formed in one sides, close to each other, of the limiting rods (4), rolling holes (12) for the roller shutter (2) to pass through are formed in the bottom plate of the mounting frame (1), one end, far away from the mounting frame (1), of the roller shutter (2) penetrates through the rolling holes (12) to extend between the two limiting rods (4) and into the corresponding limiting grooves (41), be provided with in restriction groove (41) and be used for preventing to roll up restriction subassembly (6) that curtain (2) waved, the one end of keeping away from mounting bracket (1) of curtain (2) is fixed with counterweight rod (5), and counterweight rod (5) are located between two restriction levers (4), and the one end that mounting bracket (1) was kept away from in two restriction levers (4) is fixed with same root dead lever (7).

2. The new fire resisting shutter as claimed in claim 1, wherein: restriction subassembly (6) are seted up including flexible groove (61), elastic component (62), clamp plate (63) and universal ball (64) flexible groove (61) on the both sides cell wall of restriction groove (41), flexible groove (61), the tank bottom in flexible groove (61) is fixed in elastic component (62), one end of keeping away from flexible groove (61) tank bottom in elastic component (62) is fixed in clamp plate (63), the both sides wall of clamp plate (63) is contradicted with the both sides cell wall in flexible groove (61), universal ball (64) are installed in one side of keeping away from elastic component (62) in clamp plate (63), the one end that flexible groove (61) tank bottom was kept away from in universal ball (64) with the side of rolling up curtain (2) is contradicted.

3. The new fire resisting shutter as claimed in claim 2, wherein: curtain cloth rolling component (3) are including mounting panel (31), rolling motor (32) and rolling axle (33), and mounting panel (31) are fixed on the bottom plate of mounting bracket (1), and rolling motor (32) are installed on mounting panel (31), and rolling axle (33) are fixed on the output shaft of rolling motor (32), and the one end that rolling motor (32) were kept away from in rolling axle (33) is passed through the bearing and is connected with the curb plate rotation of keeping away from rolling motor (32) in mounting bracket (1), keep away from in roll curtain (2) the one end and the rolling axle (33) fixed connection of counterweight rod (5), roll up curtain (2) and convolute on rolling axle (33).

4. The new fire resisting shutter as claimed in claim 1, wherein: sealing plates (11) are fixed on the front side and the rear side of the mounting rack (1).

5. The new fire resisting shutter as claimed in claim 2, wherein: the elastic piece (62) is selected to be a spring.

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