CN217041133U - Flame-retardant soaking type fireproof curtain - Google Patents

Abstract

The utility model belongs to the technical field of fire-proof curtains, and discloses a flame-retardant soaking type fire-proof curtain, which comprises a stage, wherein two brackets are arranged above the stage, a containing box is arranged between the brackets, a roller shaft is arranged inside the containing box, a curtain is arranged on the roller shaft, a transmission groove is arranged on the brackets, a chain wheel is positioned in the transmission groove, a water pipe is arranged at the bottom of the containing box, a main spray head and an auxiliary spray head are arranged on the water pipe, the utility model realizes the containing and the unfolding of the curtain in the containing box by driving the roller shaft to rotate through the chain and the chain wheel, and a counterweight strip ensures the flatness of the curtain in the motion process, avoids wrinkles, when a smoke sensor works, the curtain quickly falls down, fire-fighting water is sprayed out through the main spray head and the auxiliary spray head along the water pipe, and the auxiliary spray head faces to the curtain direction, and can cool the curtain, so as to increase the fire-resistant performance of the shower nozzle, the main shower nozzle sprays downwards to form a water curtain.

Description

Flame-retardant soaking type fireproof curtain

Technical Field

The utility model belongs to the technical field of the fire prevention curtain, concretely relates to fire-retardant soaking formula fire prevention curtain.

Background

As the stage often adopts the match performance of open fire props such as fireworks and guns, and more high-power stage lamps and lanterns are provided, and a plurality of inflammable objects are provided, the fire easily occurs, a fireproof curtain cloth is needed to be arranged, so that when the stage is on fire, the convection between the stage smoke and the air of audience rooms is prevented, the safety and orderly rapid evacuation of the audience from the scene are ensured, and the curtain cloth is made of cloth soaked by concentrated ammonium chloride solution.

But the fire prevention curtain on the existing market is when taking place the conflagration, and the ability of resisting the condition of a fire is limited, often need with other equipment cooperations just can play better guard action, and current stage apron is opened the back along with the water catch bowl moreover, and follow-up needs the manual work to close, and is quite troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant soaking formula fire prevention curtain to solve the problem that the curtain that provides among the above-mentioned background art is limited to conflagration resistance and apron can not self-closing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-retardant soaking formula fire prevention curtain, includes the stage, two supports are installed to the top of stage, two install the containing box between the support, the inside of containing box is provided with the roller, the one end of roller runs through the containing box, and installs the sprocket on the roller, be provided with the curtain on the roller, the one end of curtain is connected with the counter weight strip, the driving groove has been seted up on the support, the sprocket is located the driving groove, and takes turns to and install the chain, the water pipe is installed to the bottom of containing box, install main shower nozzle and vice shower nozzle on the water pipe, and smoke transducer is installed to one side of containing box.

Preferably, a hidden groove is formed in the stage, a water collecting groove is arranged in the hidden groove, an air cylinder is arranged below the water collecting groove, a cover plate is rotatably connected to the position, corresponding to the water collecting groove, on the stage, and a connecting rod is arranged between the cover plate and the water collecting groove.

Preferably, a ratchet wheel is arranged on one side of the chain wheel, a support is arranged on the support and corresponds to the ratchet wheel, a motor is arranged on the support, and the output end of the motor is connected with a pawl.

Preferably, a spring is arranged between the pawl and the bracket.

Preferably, baffles are arranged on the roll shaft corresponding to two sides of the curtain.

Preferably, an emergency switch is arranged on one side of the support close to the ratchet wheel, and an alarm is arranged on the other side of the support.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a chain and sprocket drive roller rotate, thereby realize taking in and showing of curtain in the containing box, and the balance weight strip has ensured the plainness nature of curtain in the motion process, avoid playing the fold, when smoke transducer during operation, thereby sprocket and chain mutually support and fall the curtain fast, meanwhile, under the effect of water pump, the fire-fighting water is through main shower nozzle and vice shower nozzle blowout along the water pipe, vice shower nozzle is towards the curtain direction, can be for the curtain cooling, in order to increase its fire resistance ability, main shower nozzle is then spout downwards, form the cascade, separation firework leaps up to spectator's seat.

(2) The utility model discloses a when the curtain starts fire prevention mode, the water catch bowl rises under the effect of cylinder, will lap the jack-up to accept shower nozzle spun water, the water catch bowl is provided with certain inclination, makes things convenient for rivers to flow to same direction, after the fire alarm is relieved, the cylinder drives the water catch bowl and falls back the camera obscura, and at this moment under the effect of connecting rod, the apron is closed thereupon, has reduced working strength.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is a schematic view of the ratchet of the present invention;

FIG. 6 is a schematic structural view of the sprocket of the present invention;

in the figure: 1. a stage; 2. a support; 3. a storage box; 4. a roll shaft; 5. a curtain; 6. a weight strip; 7. a baffle plate; 8. a transmission groove; 9. a sprocket; 10. a chain; 11. a water pipe; 12. a main spray head; 13. an auxiliary spray head; 14. a hidden groove; 15. a water collection tank; 16. a cylinder; 17. a cover plate; 18. a connecting rod; 19. a support; 20. a ratchet wheel; 21. a pawl; 22. a spring; 23. a smoke sensor; 24. an emergency switch; 25. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: a flame-retardant soaking type fireproof curtain comprises a stage 1, two supports 2 are mounted above the stage 1, a containing box 3 is mounted between the two supports 2, a roller shaft 4 is arranged inside the containing box 3, one end of the roller shaft 4 penetrates through the containing box 3, a chain wheel 9 is mounted on the roller shaft 4, a curtain 5 is arranged on the roller shaft 4, one end of the curtain 5 is connected with a balance weight bar 6, a transmission groove 8 is formed in each support 2, the chain wheel 9 is located in the transmission groove 8, a chain 10 is mounted on the chain wheel 9, a water pipe 11 is mounted at the bottom of the containing box 3, a main spray head 12 and an auxiliary spray head 13 are mounted on the water pipe 11, a smoke sensor 23 is mounted on one side of the containing box 3, the chain wheel 9 and the chain 10 are matched with each other so as to rapidly lower the curtain 5, meanwhile, under the action of a water pump, fire-fighting water is sprayed out along the water pipe 11 through the main spray head 12 and the auxiliary spray head 13, the auxiliary spray head 13 faces the direction of the curtain 5, the temperature of the curtain 5 can be reduced, and the main nozzles 12 are sprayed downwards to form a water curtain.

Furthermore, a hidden groove 14 is formed in the stage 1, a water collecting tank 15 is installed in the hidden groove 14, an air cylinder 16 is arranged below the water collecting tank 15, a cover plate 17 is rotatably connected to the position, corresponding to the water collecting tank 15, of the stage 1, a connecting rod 18 is arranged between the cover plate 17 and the water collecting tank 15, the water collecting tank 15 is lifted up under the action of the air cylinder 16 to jack up the cover plate 17 to receive water sprayed by the spray heads, the water collecting tank 15 is provided with a certain inclination to facilitate the water to flow in the same direction, after a fire alarm is relieved, the air cylinder 16 drives the water collecting tank 15 to fall back to the hidden groove 14, and at the moment, under the action of the connecting rod 18, the cover plate 17 is closed accordingly.

Further, a ratchet wheel 20 is arranged on one side of the chain wheel 9, a support 19 is arranged on the support 2 corresponding to the ratchet wheel 20, a motor is arranged on the support 19, a pawl 21 is connected to the output end of the motor, the ratchet wheel 20 and the pawl 21 are matched with each other, the reverse situation of the curtain 5 in the ascending process is prevented, and when the curtain 5 descends, the pawl 21 can be pulled away through the motor on the support 19, so that the chain wheel 9 rotates smoothly.

Further, a spring 22 is arranged between the pawl 21 and the bracket 2, and the spring 22 can ensure that the pawl 21 can still return to the original position after being propped open by the ratchet wheel 20 and can keep in contact with the ratchet wheel 20.

Furthermore, the roll shaft 4 is provided with the baffle 7 corresponding to the two sides of the curtain 5, and the baffle 7 can regulate the direction of the curtain 5 in the lifting process, so that disorder is avoided.

Furthermore, an emergency switch 24 is arranged on one side of the bracket 2 close to the ratchet wheel 20, an alarm 25 is arranged on the other side of the bracket, the emergency switch 24 is connected with the smoke sensor 23 in parallel, when a fire disaster happens and the smoke sensor 23 is not in operation, the fire fighting device can be started through the emergency switch 24 manually, and meanwhile, the alarm 25 starts to give an alarm to remind the personnel in the field to take corresponding measures.

The utility model discloses a theory of operation and use flow: when the utility model is used, when a fire disaster occurs, automatic alarm is given through the emergency switch 24 or the smoke sensor 23, the chain wheel 9 and the chain 10 are mutually matched to rapidly lower the curtain 5, the balance weight strip 6 ensures the flatness of the curtain 5 in the motion process, meanwhile, under the action of the water pump, fire-fighting water is sprayed out through the main spray head 12 and the auxiliary spray head 13 along the water pipe 11, the auxiliary spray head 13 faces to the direction of the curtain 5 to cool the curtain 5, the main spray head 12 is sprayed out downwards to form a water curtain, the water collecting tank 15 is lifted up under the action of the cylinder 16 to jack up the cover plate 17, after the fire alarm is relieved, the cylinder 16 drives the water collecting tank 15 to fall back to the hidden tank 14, at the moment, under the action of the connecting rod 18, the cover plate 17 is closed therewith, the baffle 7 can regulate the direction of the curtain 5 in the lifting process, disorder is avoided, the ratchet wheel 20 and the pawl 21 are mutually matched to prevent the curtain 5 from being reversed in the lifting process, the spring 22 can ensure the contact between the pawl 21 and the ratchet wheel 20, and when the curtain 5 descends, the motor on the support 19 can pull the pawl 21 apart to make the chain wheel 9 rotate smoothly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fire-retardant soaking formula fire prevention curtain which characterized in that: comprises a stage (1), two brackets (2) are arranged above the stage (1), a containing box (3) is arranged between the two brackets (2), a roller shaft (4) is arranged in the containing box (3), one end of the roller shaft (4) penetrates through the containing box (3), and the roll shaft (4) is provided with a chain wheel (9), the roll shaft (4) is provided with a curtain (5), one end of the curtain (5) is connected with a counterweight strip (6), a transmission groove (8) is arranged on the bracket (2), the chain wheel (9) is positioned in the transmission groove (8), a chain (10) is arranged on the chain wheel (9), a water pipe (11) is arranged at the bottom of the containing box (3), the water pipe (11) is provided with a main spray head (12) and an auxiliary spray head (13), and one side of the containing box (3) is provided with a smoke sensor (23).

2. A fire retardant intumescent curtain as claimed in claim 1, wherein: dark trough (14) have been seted up to the inside of stage (1), the internally mounted of dark trough (14) has water catch bowl (15), the below of water catch bowl (15) is provided with cylinder (16), the position that is corresponding to water catch bowl (15) on stage (1) rotates and is connected with apron (17), be provided with connecting rod (18) between apron (17) and water catch bowl (15).

3. A fire retardant intumescent curtain as claimed in claim 2, wherein: one side of sprocket (9) is provided with ratchet (20), support (19) are installed to the position that corresponds to ratchet (20) on support (2), install the motor on support (19), the output of motor is connected with pawl (21).

4. A fire retardant intumescent curtain as claimed in claim 3, wherein: a spring (22) is arranged between the pawl (21) and the bracket (2).

5. A flame retardant intumescent curtain as claimed in claim 4, wherein: and baffles (7) are arranged on the roll shaft (4) and correspond to the two sides of the curtain (5).

6. A flame retardant intumescent curtain as claimed in claim 5, wherein: one side of the support (2) close to the ratchet wheel (20) is provided with an emergency switch (24), and the other side is provided with an alarm (25).

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