CN112827094B - Fireproof door and manufacturing method thereof - Google Patents

Abstract

The invention relates to a fireproof door, which comprises a fireproof door main body, wherein a water containing cavity is arranged in the fireproof door main body, a water filling port communicated with the water containing cavity is arranged at the lower part of the outer side wall of the fireproof door main body, mounting grooves are formed in four side edges of the fireproof door main body and are mutually communicated, an expansion strip is arranged in each mounting groove and expands when absorbing water, water supply holes are formed in the upper inner wall of the water containing cavity and the upper parts of the inner walls of the left side and the right side of the water containing cavity and are communicated with the mounting grooves, a plurality of drain holes are formed in the upper part of the outer side wall of the fireproof door main body, a water seepage prevention structural layer is arranged on the inner wall of the water containing cavity, a water inlet pipe is arranged on each water filling port, and an anti-seepage assembly and a quick connection assembly are arranged on each water inlet pipe.

Description

Fireproof door and manufacturing method thereof

Technical Field

The invention relates to a fireproof door and a manufacturing method thereof.

Background

The fireproof door is a special door which can meet the requirements of fire resistance, integrity and heat insulation within a certain time when a fire occurs, is an important component in fire-fighting equipment and is an important part in social fire prevention, plays an important role in ensuring the personal safety of people, and comprises a fireproof door main body, wherein a water containing cavity is arranged in the fireproof door main body, and a water filling port communicated with the water containing cavity is arranged at the lower part of the outer side wall of the fireproof door, so that in the using process of the fireproof door, water is filled into the water containing cavity in the fireproof door main body through the water filling port, the fire spreading is prevented through the water in the water containing cavity, but the water in the water containing cavity cannot circulate after being filled with the water, flame and hot air cannot be blocked for a long time when the fire is fiercely refluenced, the durability is low, and the water filling port is easy to leak after being filled with the water, further reduced the durability of preventing fire door, and this kind prevents the poisonous gas that produces in the unable effectual separation conflagration of fire door, the practicality of preventing fire door has been reduced, simultaneously when the fierce and violent incoming situation of the fire is violent, can appear unable in time through the water filling port to the phenomenon of receiving the chamber and watering of water in preventing the fire door main part, it prevents the conflagration from stretching to result in preventing to prevent fire door can not effectual separation flame, the water filling port is slow with the speed of being connected of water pipe, further reduce the efficiency of speedily carrying out rescue work, make people's personal safety threaten, from this it is necessary to make the improvement.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a fireproof door with high durability, high practicability and high emergency efficiency and a manufacturing method thereof.

The technical scheme of the invention is realized as follows: the utility model provides a prevent fire door, includes prevents fire door main part, prevent being provided with water in the fire door main part and hold the chamber, prevent that the lower part of fire door main part lateral wall is provided with and holds the water filling port that the chamber communicates with water, its characterized in that: all be provided with the mounting groove on four sides of preventing fire door main part, four mounting grooves communicate each other, be provided with the inflation strip in the mounting groove, the inflation strip is expanding when absorbing moisture, the upper portion that the upside inner wall and the left and right sides inner wall in water holding chamber is provided with the water supply hole, water supply hole and mounting groove intercommunication.

Through adopting the technical scheme, the in-process of preventing fire door is being used, when the conflagration takes place, through the water filling port with water instillation to the water hold the chamber, water fills the water and holds the chamber gradually after getting into the water and holding the chamber, after the surface of water reachs the upper portion in water hold chamber, water can flow out and contact with the inflation strip by the feed water hole, the expansion strip absorbs water after contacting water and expands and blocks up the gap around preventing fire door main part, thereby prevent the invasion of the toxic gas that the conflagration produced, compared with the prior art, the invention can effectively obstruct the invasion of the toxic gas in the conflagration, has improved the practicality of preventing fire door.

The invention is further configured to: the water holds and is provided with a plurality of baffles in the chamber, and a plurality of baffles are crisscross interval setting each other from top to bottom, the water holds the chamber and forms the zigzag runner through a plurality of baffles.

Through adopting above-mentioned technical scheme, at the in-process that uses to prevent fire door, the water that gets into water holding chamber by the water filling port can be along the zigzag runner from lower to upper continuous flow that a plurality of baffles formed, has further improved the fire behavior of preventing fire door.

The present invention is preferably: the upper portion of the outer side wall of the fireproof door main body is provided with a plurality of drain holes, and the drain holes are communicated with the water containing grooves.

By adopting the technical scheme, in the process of using the fireproof door, water entering the water containing cavity is discharged from the plurality of water discharging holes when the water containing cavity is filled with water, so that the water in the water containing cavity can be continuously circulated, the water in the water containing cavity can be ensured to be always and effectively absorbed and transferred to the fireproof door, and compared with the prior art, the durability of the fireproof door is improved.

The present invention is preferably: the utility model discloses a water-proof structure layer, including water holding chamber, anticorrosion coating, fabric layer, glass steel layer and resin layer, be provided with prevention of seepage water tectonic layer on the inner wall in water holding chamber, prevention of seepage water tectonic layer holds intracavity wall by water and begins to include anticorrosive coating, fabric layer, glass steel layer and resin layer in proper order, anticorrosive coating's thickness is 2.5mm, the fabric layer is plastic resin cavity plate-like woven fabric, the thickness on fabric layer is 4-8mm, the thickness on glass steel layer is 3mm, the resin layer is resin and short glass fiber felt and the fine compound resin composite structure layer of glass, the thickness on resin layer is 3mm, water has preset water in holding chamber.

By adopting the technical scheme, in the process of using the fireproof door, the seepage-proof structural layer can prevent water in the water containing cavity from leaking, so that a part of water can be infused in the water containing cavity in advance, people can have sufficient reaction time when a fire comes, the corrosion-resistant layer and the resin layer can reduce the phenomenon that water corrodes the interior of the fireproof door main body, and meanwhile, the corrosion resistance of the interior of the fireproof door main body and the fire resistance, the high temperature resistance and the heat insulation performance of the fireproof door are improved while the weight of the fireproof door main body is reduced by utilizing the characteristics of light weight, high strength, corrosion resistance and good heat performance of glass fiber reinforced plastics.

The present invention is preferably: the fireproof door is characterized in that a water inlet pipe is arranged on the water filling port, the water inlet pipe comprises a main water inlet pipe and an auxiliary water inlet pipe, one end of the main water inlet pipe is sealed and fixedly connected to the outer side wall of the fireproof door main body, one end of the auxiliary water inlet pipe is communicated with the main water inlet pipe, the other end of the auxiliary water inlet pipe is communicated with the water filling port, a quick connection assembly is arranged on the water inlet of the main water inlet pipe, a groove is arranged on one side, close to the water inlet, of the bottom of the inner wall of the main water inlet pipe, a spring is arranged above the groove, a sealing ball is fixedly arranged at the top end of the spring, a switch pipeline is arranged on the upper portion of the outer side wall of the main water inlet pipe, the switch pipeline is communicated with the main water inlet pipe and is positioned right above the sealing ball, a knob is arranged at the top of the switch pipeline, an opening is formed in the knob, a bolt is arranged in the opening, a screw rod is connected with the lower end of the bolt through a screw rod, the switch pipeline is arranged in the switch pipeline, one end of the screw rod, which is positioned in the switch pipeline, is fixedly provided with a pressing sheet which is abutted against the surface of the sealing ball, a first sealing element is fixedly arranged on the inner wall of the main water inlet pipe at one side of the groove far away from the water inlet, a second sealing element is fixedly arranged on the inner wall of the main water inlet pipe at the other side of the groove, the distance between the first sealing element and the second sealing element is smaller than the diameter of the sealing ball, a hydraulic cylinder is fixedly arranged at one end of the main water inlet pipe, which is far away from the water inlet, a piston is arranged in the hydraulic cylinder, the output end of the piston horizontally faces to the water inlet of the main water inlet pipe and is fixedly connected with a sealing plate, the inner wall of the main water inlet pipe is provided with a chute for the sealing plate to move, the chute is positioned under the auxiliary water inlet pipe, the width of the chute is larger than the diameter of the auxiliary water inlet pipe, and an anti-leakage assembly for preventing backflow and leakage during water injection is arranged in the auxiliary water inlet pipe.

By adopting the technical scheme, in the process of using the fireproof door, when a fire disaster occurs, one end of the water pipe is connected with a water source, then the other end of the water pipe is connected with the main water inlet pipe through the quick connection group, the rotary knob drives the sealing ball to move downwards through the screw rod and compresses the spring, so that the sealing ball is separated from the first sealing element and the second sealing element to open the main water inlet pipe, water enters the main water inlet pipe from the water pipe, when the water reaches the sealing plate, the water pushes the sealing plate to move towards one side far away from the water inlet of the main water inlet pipe under the action of the water pressure, so that the water can enter the auxiliary water inlet pipe, the water enters the water accommodating cavity through the anti-leakage assembly under the action of the water pressure, in the water injection process, the anti-leakage assembly can prevent the backflow phenomenon caused by the change of the water pressure, and the durability of the fireproof door is further improved, prevent that fire door is in when daily state simultaneously, the antiseep subassembly can prevent that well reserve water that water held the chamber from leaking by vice inlet tube, simultaneously when the non-state of watering, thereby the closing plate removes to the spout one side that is close to main inlet tube water inlet under the effect of pneumatic cylinder and seals main inlet tube, make the reserve water that water held in the chamber can't leak by main inlet tube, can also rotate the screw rod through the knob, it mutually supports with first sealing member and second sealing member to be the sealing ball, thereby further seal main inlet tube, make the reserve water that water held in the chamber can store for a long time, prevent the reply ability of fire door to proruption condition of a fire has been improved, prevent fire door's durability has further been improved.

The present invention is preferably: the anti-seepage assembly comprises a first valve body and a second valve body, a valve core element is arranged between the first valve body and the second valve body and comprises a valve core, a stop block and a second spring, the valve core is in a circular plate shape, the stop block is in a circular ring plate shape, four bulges are arranged on one side surface of the stop block and are abutted against the valve core, a second spring groove is arranged on the other side surface of the stop block, one end of the second spring is abutted against the second spring groove, a water inlet is arranged on the first valve body, a water outlet is arranged on the second valve body, a conical cavity and a connector are arranged at one end of the first valve body, which is far away from the water inlet, a chamfer and a valve core seat are arranged at an inlet of the cavity, the abutted valve core is arranged on the valve core seat, a connector matched with the connector is arranged at one end of the second valve body, which is far away from the water outlet, a second cavity and a second spring seat are arranged inside the connector, the valve core comprises a valve core main body and a rubber sealing ring, wherein the second groove is formed in one surface, contacting with the first valve body, of the valve core main body, and the rubber sealing ring is fixedly arranged in the second groove.

By adopting the technical scheme, when water is filled into the water containing cavity in the process of using the fireproof door, the water enters the first valve body through the water inlet after reaching the first valve body, then the water pushes the valve core under the action of water pressure, the valve core drives the stop block to enable the second spring to contract, so that the water can enter the second valve body through the cavity and finally flows out of the second valve body and finally enters the water containing cavity, the pressing force of the second spring on the hairstyle is transmitted through the stop block to enable the valve core to be opened and closed flexibly, so that the water can smoothly enter the water containing cavity, when the water filling is finished, the valve core is pressed on the valve core seat through the elastic force of the second spring and the static pressure of the water, the rubber sealing ring on the valve core main body can further increase the sealing performance of the valve core, the backflow and leakage phenomena of the water in the water containing cavity are reduced, and the third sealing element in the groove can increase the sealing performance between the first valve body and the second valve body, the phenomenon of seepage appears in the water that further reduces in the water holding chamber, chamfer on the first valve body and the cavity that is the toper utilize the hydrodynamics principle, and the gradually-expanding tube structure and level and smooth income, export all help reducing the flow resistance to further make hydroenergy smoothly get into in the water holding chamber, improved the efficiency of speedily carrying out rescue work.

The present invention is preferably: the second spring is made of stainless steel, the rigidity of the second spring is 0.8N/mm, and the winding ratio of the second spring is 8.

By adopting the technical scheme, the second spring adopted by the invention has high winding ratio and low rigidity, so that the pretightening force generated by the second spring is reduced, the valve core can be opened under the condition of low water pressure, the opening pressure is reduced, water can further smoothly enter the water containing cavity, and the emergency efficiency is improved.

The present invention is preferably: the quick connection assembly comprises a shell, the shell is fixedly connected to a water inlet of a main water inlet pipe and is communicated with the main water inlet pipe, one side, far away from the main water inlet pipe, of the inner wall of the shell is provided with a plurality of inwards sunken first wedge faces, the first wedge faces are distributed on the inner wall of the shell in an annular mode along the circumferential direction of the shell, a clasping ring is arranged in the shell, a plurality of wedge blocks matched with the first wedge faces are arranged on the outer surface of the clasping ring, a plurality of outwards raised second wedge faces are arranged on the outer surface of each wedge block, clamping teeth are arranged on the inner surface of the clasping ring and are in contact with a water pipe, a sealing piece mounting groove is formed in the inner wall, close to one side of the main water inlet pipe, of the clasping ring, a fourth sealing piece is arranged in the sealing piece mounting groove and comprises a circular ring and a retainer, annular grooves are formed in side walls on two sides of the retainer, the annular groove is internally provided with a second rubber sealing ring, the retainer is arranged in the circular ring, and the end faces of two sides of the circular ring are respectively provided with a third rubber sealing ring.

Through adopting above-mentioned technical scheme, at the in-process that uses fire door, when connecting water pipe and main inlet tube, insert the water pipe in the casing, thereby the water pipe with hug closely the ring on the intra-surface latch contact drive and hug closely the ring and remove, hug closely the ring and remove along first scarf and make second scarf on the voussoir mutually support with first scarf, thereby when making the water pipe remove after inserting the casing to the direction of keeping away from the casing, hug closely the ring and can radially contract, thereby fasten water pipe and casing, realize the high-speed joint between water pipe and the casing, the water pipe is connected the back with the casing, the leakproofness can be guaranteed between water pipe and the casing to the sealing member, reduce the phenomenon that the in-process of water pipe water delivery appears leaking, water delivery stability has been improved.

The invention also discloses a manufacturing method of the fireproof door, which is characterized by comprising the following steps: the method comprises the following steps:

s1, manufacturing the fireproof door main body: and cutting and punching the metal sheet or the wood board by using a numerical control machine to manufacture the fireproof door main body.

S2, punching the fireproof door main body: the fire door body is punched by a punch press to punch a water supply hole, a water drain hole and the like as required.

S3, grooving: the installation groove is turned out on the side edge of the fireproof door main body through a numerically controlled lathe, and then the expansion strip is installed in the installation groove.

S4, mounting a water seepage prevention structural layer: the inner wall of the water containing cavity of the fireproof door main body is subjected to surface treatment, corners are scraped into fillets by putty, then an anti-corrosion layer and a fabric layer are sequentially coated, a glass fiber reinforced plastic layer with required thickness is manufactured through a glass fiber reinforced plastic manufacturing process, and then a resin layer with required thickness is coated in a spraying or hand pasting mode.

S5, installing a water inlet pipe: fix main inlet tube on the lateral wall of preventing fire door main part through welding or cementing, then with vice inlet tube and water filling port intercommunication to with vice inlet tube and the lateral wall welding or the cementing of preventing fire door main part.

By adopting the technical scheme, the manufacturing steps of the fireproof door are simplified, the manufactured fireproof door has the characteristics of good fire resistance, heat resistance and durability, the fireproof door is light in weight and not easy to deform, the connection between the water pipe and the water inlet pipe of the fireproof door is simple, convenient and quick, the toxic gas isolation effect is good, and the phenomenon that toxic gas in fire disasters damages the health of people is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a drain hole structure.

Fig. 3 is a schematic view of the structure of the water-seepage-proof structural layer.

Fig. 4 is a schematic view of the structure of the water inlet pipe.

Fig. 5 is a partially enlarged structural view of a portion a in fig. 4.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention discloses a fire door, which comprises a fire door main body 1, wherein a water accommodating cavity 2 is arranged in the fire door main body 1, a water injection port 3 communicated with the water accommodating cavity 2 is arranged at the lower part of the outer side wall of the fire door main body 1, in the specific embodiment of the present invention: all be provided with mounting groove 4 on four sides of preventing fire door main part 1, four mounting grooves 4 communicate each other, be provided with expansion strip 5 in mounting groove 4, expansion strip 5 expands when absorbing moisture, the upper portion that the upside inner wall of water holding chamber 2 and the left and right sides inner wall is provided with water supply hole 6, water supply hole 6 and mounting groove 4 intercommunication.

Through adopting the technical scheme, the in-process of preventing fire door is being used, when the conflagration takes place, through the water filling port with water instillation to the water hold the chamber, water fills the water and holds the chamber gradually after getting into the water and holding the chamber, after the surface of water reachs the upper portion in water hold chamber, water can flow out and contact with the inflation strip by the feed water hole, the expansion strip absorbs water after contacting water and expands and blocks up the gap around preventing fire door main part, thereby prevent the invasion of the toxic gas that the conflagration produced, compared with the prior art, the invention can effectively obstruct the invasion of the toxic gas in the conflagration, has improved the practicality of preventing fire door.

In a specific embodiment of the invention: the water holds and is provided with a plurality of baffles 7 in the chamber 2, and a plurality of baffles 7 are from top to bottom crisscross the interval setting each other, water holds chamber 2 and forms the zigzag runner through a plurality of baffles 7.

Through adopting above-mentioned technical scheme, at the in-process that uses to prevent fire door, the water that gets into water holding chamber by the water filling port can be along the zigzag runner from lower to upper continuous flow that a plurality of baffles formed, has further improved the fire behavior of preventing fire door.

In a specific embodiment of the invention: the upper portion of the outer side wall of the fireproof door main body 1 is provided with a plurality of drain holes 8, and the drain holes 8 are communicated with the water containing groove 2.

By adopting the technical scheme, in the process of using the fireproof door, water entering the water containing cavity is discharged from the plurality of water discharging holes when the water containing cavity is filled with water, so that the water in the water containing cavity can be continuously circulated, the water in the water containing cavity can be ensured to be always and effectively absorbed and transferred to the fireproof door, and compared with the prior art, the durability of the fireproof door is improved.

In a specific embodiment of the invention: be provided with prevention of seepage water tectonic layer 9 on the inner wall of water holding chamber 2, prevention of seepage water tectonic layer 9 is held 2 inner walls by water and is originally included anticorrosive coating 91, fabric layer 92, glass steel layer 93 and resin layer 94 in proper order, anticorrosive coating 91's thickness is 2.5mm, fabric layer 92 is plastic resin cavity plate-shaped woven fabric, fabric layer 92's thickness is 4-8mm, glass steel layer 93's thickness is 3mm, resin layer 94 is resin and chopped strand glass fiber felt and the fine compound structural layer of glass, resin layer 94's thickness is 3mm, water has been preset in the water holding chamber 2.

By adopting the technical scheme, in the process of using the fireproof door, the seepage-proof structural layer can prevent water in the water containing cavity from leaking, so that a part of water can be infused in the water containing cavity in advance, people can have sufficient reaction time when a fire comes, the corrosion-resistant layer and the resin layer can reduce the phenomenon that water corrodes the interior of the fireproof door main body, and meanwhile, the corrosion resistance of the interior of the fireproof door main body and the fire resistance, the high temperature resistance and the heat insulation performance of the fireproof door are improved while the weight of the fireproof door main body is reduced by utilizing the characteristics of light weight, high strength, corrosion resistance and good heat performance of glass fiber reinforced plastics.

In a specific embodiment of the invention: the fire door is characterized in that the water filling port 3 is provided with a water inlet pipe, the water inlet pipe comprises a main water inlet pipe 10 and an auxiliary water inlet pipe 11, one end of the main water inlet pipe 10 is sealed and fixedly connected to the outer side wall of the fire door main body 1, one end of the auxiliary water inlet pipe 11 is communicated with the main water inlet pipe 10, the other end of the auxiliary water inlet pipe is communicated with the water filling port 3, the water inlet of the main water inlet pipe 10 is provided with a quick connecting assembly, one side, close to the water inlet, of the bottom of the inner wall of the main water inlet pipe 10 is provided with a groove 12, a spring 13 is arranged above the groove 12, the top end of the spring 13 is fixedly provided with a sealing ball 14, the upper part of the outer side wall of the main water inlet pipe 10 is provided with a switch pipeline 15, the switch pipeline 15 is communicated with the main water inlet pipe 10 and is positioned right above the sealing ball 14, the top of the switch pipeline 15 is provided with a knob 16, the knob 16 is provided with a hole, and a bolt 17 is arranged in the hole, the lower end of the bolt 17 is in threaded connection with a screw 18, one end of the screw 18, which is far away from the bolt 17, penetrates through the switch pipeline 15 and is arranged in the switch pipeline 15, one end of the screw 18, which is positioned in the switch pipeline 15, is fixedly provided with a pressing sheet, the pressing sheet is abutted to the surface of the sealing ball 14, the inner wall of the main water inlet pipe 10, which is far away from one side of the water inlet, of the groove 12 is fixedly provided with a first sealing member 19, the inner wall of the main water inlet pipe 10, which is far away from the water inlet, of the other side of the groove is fixedly provided with a second sealing member 20, the distance between the first sealing member 19 and the second sealing member 20 is smaller than the diameter of the sealing ball 14, one end of the main water inlet pipe 10, which is far away from the water inlet, is fixedly provided with a hydraulic cylinder 21, a piston is arranged in the hydraulic cylinder 21, the output end of the piston horizontally faces the water inlet of the main water inlet pipe 10 and is fixedly connected with a sealing plate 22, the inner wall of the main water inlet pipe 10 is provided with a chute 23 for the sealing plate 22 to move, spout 23 is located vice inlet tube 11 under and the width of spout 23 is greater than the diameter of vice inlet tube 11, be provided with the antiseep subassembly that appears the refluence seepage phenomenon when being used for preventing the water injection in the vice inlet tube 11.

By adopting the technical scheme, when the fire door is used, one end of the water pipe is connected with a water source when a fire disaster occurs, then the other end of the water pipe is connected with the main water inlet pipe through the quick connection group, the knob is rotated to drive the sealing ball to move downwards through the screw rod, and the spring is compressed, so that the sealing ball is separated from the first sealing element and the second sealing element to open the main water inlet pipe, water enters the main water inlet pipe from the water pipe, when the water reaches the sealing plate, the water pushes the sealing plate to move towards one side far away from the water inlet of the main water inlet pipe under the action of water pressure, so that the water can enter the auxiliary water inlet pipe, the water enters the water containing cavity through the anti-leakage assembly under the action of the water pressure and enters the water filling port, in the water filling process, the anti-leakage assembly can prevent the backflow phenomenon caused by the change of the water pressure, and further improves the durability of the fire door, prevent that fire door is in when daily state simultaneously, the antiseep subassembly can prevent that well reserve water that water held the chamber from leaking by vice inlet tube, simultaneously when the non-state of watering, thereby the closing plate removes to the spout one side that is close to main inlet tube water inlet under the effect of pneumatic cylinder and seals main inlet tube, make the reserve water that water held in the chamber can't leak by main inlet tube, can also rotate the screw rod through the knob, it mutually supports with first sealing member and second sealing member to be the sealing ball, thereby further seal main inlet tube, make the reserve water that water held in the chamber can store for a long time, prevent the reply ability of fire door to proruption condition of a fire has been improved, prevent fire door's durability has further been improved.

In a specific embodiment of the invention: the anti-leakage assembly comprises a first valve body 24 and a second valve body 25, a valve core element is arranged between the first valve body 24 and the second valve body 25, the valve core element comprises a valve core 26, a stop 27 and a second spring 28, the valve core 26 is in a circular plate shape, the stop 27 is in a circular plate shape, four protrusions 29 are arranged on one side surface of the stop 27 and abutted against the valve core 26, a second spring groove 30 is arranged on the other side surface of the stop 27, one end of the second spring 28 is abutted against the second spring groove 30, a water inlet 31 is arranged on the first valve body 24, a water outlet 32 is arranged on the second valve body 25, a tapered cavity 33 and a connector are arranged at one end of the first valve body 24 far away from the water inlet 31, a chamfer and a valve core seat are arranged at the inlet of the cavity, the valve core 26 is abutted against the valve core seat, and a connector matched with the connector is arranged at one end of the second valve body 25 far away from the water outlet 32, the joint is internally provided with a second chamber 34 and a second spring seat, one end, far away from a second spring groove 30, of the second spring extends into the second chamber 34 and abuts against the second spring seat, a groove is formed in the outer side wall of the joint, a third sealing element 35 is arranged in the groove, an installation boss 36 is arranged on the outer wall, far away from the joint side, of the second valve body 25 of the groove, the first valve body 24 is connected with the second valve body 25 through threads, an adjusting gasket 37 is arranged between the first valve body 24 and the installation boss 36, the first valve body 24, the adjusting gasket 37 and the installation boss 36 are welded together, the valve core 26 comprises a valve core main body 261 and a rubber sealing ring 262, a second groove is formed in one surface, in contact with the first valve body 24, of the valve core main body 261, and the rubber sealing ring 262 are fixedly arranged in the second groove.

By adopting the technical scheme, when water is filled into the water containing cavity in the process of using the fireproof door, the water enters the first valve body through the water inlet after reaching the first valve body, then the water pushes the valve core under the action of water pressure, the valve core drives the stop block to enable the second spring to contract, so that the water can enter the second valve body through the cavity and finally flows out of the second valve body and finally enters the water containing cavity, the pressing force of the second spring on the hairstyle is transmitted through the stop block to enable the valve core to be opened and closed flexibly, so that the water can smoothly enter the water containing cavity, when the water filling is finished, the valve core is pressed on the valve core seat through the elastic force of the second spring and the static pressure of the water, the rubber sealing ring on the valve core main body can further increase the sealing performance of the valve core, the backflow and leakage phenomena of the water in the water containing cavity are reduced, and the third sealing element in the groove can increase the sealing performance between the first valve body and the second valve body, the phenomenon of seepage appears in the water that further reduces in the water holding chamber, chamfer on the first valve body and the cavity that is the toper utilize the hydrodynamics principle, and the gradually-expanding tube structure and level and smooth income, export all help reducing the flow resistance to further make hydroenergy smoothly get into in the water holding chamber, improved the efficiency of speedily carrying out rescue work.

In a specific embodiment of the invention: the second spring 28 is made of stainless steel, the rigidity of the second spring is 0.8N/mm, and the winding ratio of the second spring 28 is 8.

By adopting the technical scheme, the second spring adopted by the invention has high winding ratio and low rigidity, so that the pretightening force generated by the second spring is reduced, the valve core can be opened under the condition of low water pressure, the opening pressure is reduced, water can further smoothly enter the water containing cavity, and the emergency efficiency is improved.

In a specific embodiment of the invention: the quick connection assembly comprises a shell 38, the shell 38 is fixedly connected to a water inlet of a main water inlet pipe 10 and communicated with the main water inlet pipe 10, one side, far away from the main water inlet pipe 10, of the inner wall of the shell 38 is provided with a plurality of inwards-concave first wedge surfaces 39, the first wedge surfaces 39 are distributed on the inner wall of the shell 38 along the circumferential direction of the shell 38 in an annular manner, an enclasping ring 40 is arranged in the shell 38, a plurality of wedge blocks 41 matched with the first wedge surfaces 39 are arranged on the outer surface of the enclasping ring 40, a plurality of outwards-convex second wedge surfaces 42 are arranged on the outer surface of the wedge blocks 41, latch teeth 43 are arranged on the inner surface of the enclasping ring 40, the latch teeth 43 are in contact with a water pipe 44, a sealing piece mounting groove 44 is arranged on the inner wall of the shell 38, near one side of the main water inlet pipe 10, and a fourth sealing piece 45 is arranged in the sealing piece mounting groove 44, the fourth sealing element 45 comprises a circular ring and a retainer, annular grooves are formed in the side walls of the two sides of the retainer, a second rubber sealing ring 46 is arranged in each annular groove, the retainer is arranged in the circular ring, and third rubber sealing rings 47 are arranged on the end faces of the two sides of the circular ring.

Through adopting above-mentioned technical scheme, at the in-process that uses fire door, when connecting water pipe and main inlet tube, insert the water pipe in the casing, thereby the water pipe with hug closely the latch contact on the intra-annular surface and drive and hug closely the ring and remove, hug closely the ring and remove along first scarf and make second scarf and first scarf on the voussoir mutually support, thereby when making the water pipe insert the casing after removing to the direction of keeping away from the casing, hug closely the ring and can radially contract, thereby fasten water pipe and casing, realize the high-speed joint between water pipe and the casing, the water pipe is connected the back with the casing, the sealing member can guarantee to be the leakproofness between water pipe and the casing, reduce the phenomenon that the in-process of water pipe water delivery appears leaking, water delivery stability has been improved.

The invention also discloses a manufacturing method of the fireproof door, in the specific embodiment of the invention: the method comprises the following steps:

s1, manufacturing the fireproof door main body: the fireproof door body 1 is made by cutting and punching a metal sheet or a wood board by a numerical control machine.

S2, punching the fireproof door main body: the fire door body 1 is punched with a punch to punch a water supply hole 6, a water drain hole 7, and the like as needed.

S3, grooving: an installation groove 4 is lathed on the side of the fire door main body 1 by a numerically controlled lathe, and then an expansion strip 5 is installed into the installation groove 4.

S4, mounting a water seepage prevention structural layer: the inner wall of the water containing cavity 2 of the fire door body 1 is surface-treated and the corners are putty-coated, then the anti-corrosion layer 91 and the fabric layer 92 are sequentially coated, the glass fiber reinforced plastic layer 93 with the required thickness is manufactured by the glass fiber reinforced plastic manufacturing process, and then the resin layer 94 with the required thickness is coated by spraying or hand pasting.

S5, installing a water inlet pipe: fix main inlet tube 10 on the lateral wall of preventing fire door main part through welding or gluing, then communicate vice inlet tube 11 and water filling port 3 to weld or glue vice inlet tube 11 and the lateral wall of preventing fire door main part 1.

By adopting the technical scheme, the manufacturing steps of the fireproof door are simplified, the manufactured fireproof door has the characteristics of good fire resistance, heat resistance and durability, the fireproof door is light in weight and not easy to deform, the connection between the water pipe and the water inlet pipe of the fireproof door is simple, convenient and quick, the toxic gas isolation effect is good, and the phenomenon that toxic gas in fire disasters damages the health of people is effectively reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. The utility model provides a prevent fire door, includes prevents fire door main part, prevent being provided with water in the fire door main part and hold the chamber, prevent that the lower part of fire door main part lateral wall is provided with and holds the water filling port that the chamber communicates with water, its characterized in that: the fireproof door is characterized in that mounting grooves are formed in four sides of the fireproof door main body, the four mounting grooves are communicated with each other, expansion strips are arranged in the mounting grooves, the expansion strips expand when absorbing moisture, water supply holes are formed in the upper inner wall of the water containing cavity and the upper portions of the left and right inner walls, the water supply holes are communicated with the mounting grooves, a plurality of partition plates are arranged in the water containing cavity and are staggered from top to bottom at intervals, the water containing cavity forms a Z-shaped flow channel through the partition plates, a plurality of drain holes are formed in the upper portion of the outer side wall of the fireproof door main body and are communicated with the water containing groove, a water seepage prevention structural layer is arranged on the inner wall of the water containing cavity, the water seepage prevention structural layer sequentially comprises an anticorrosive coating, a fabric layer, a glass fiber reinforced plastic layer and a resin layer from the beginning of the inner wall of the water containing cavity, and the thickness of the anticorrosive coating is 2.5mm, the fireproof door comprises a fireproof door body, a fabric layer, a glass fiber reinforced plastic layer, a resin layer, a water filling port, a main water inlet pipe, an auxiliary water inlet pipe, a spring, a sealing ball and a sealing ring, wherein the fabric layer is a plastic resin hollow plate-shaped woven fabric, the thickness of the fabric layer is 4-8mm, the thickness of the glass fiber reinforced plastic layer is 3mm, the resin layer is a resin composite structure layer compounded by resin, chopped glass fiber mat and glass fiber, the thickness of the resin layer is 3mm, water is preset in the water containing cavity, the water filling port is provided with the water inlet pipe, the water inlet pipe comprises the main water inlet pipe and the auxiliary water inlet pipe, one end of the main water inlet pipe is sealed and fixedly connected to the outer side wall of the fireproof door body, one end of the auxiliary water inlet pipe is communicated with the main water inlet pipe, the other end of the auxiliary water inlet pipe is communicated with the water filling port, the quick connecting assembly is arranged on the water inlet of the main water inlet pipe, the groove is arranged on one side, which is close to the water inlet, the bottom of the inner wall of the main water inlet pipe is provided with the groove, the spring is provided with the sealing ball, the upper part of the outer side wall of the main water inlet pipe is provided with a switch pipeline, the switch pipeline is communicated with the main water inlet pipe and is positioned right above the sealing ball, the top of the switch pipeline is provided with a knob, the knob is provided with an opening, a bolt is arranged in the opening, the lower end of the bolt is in threaded connection with a screw rod, one end of the screw rod, far away from the bolt, penetrates through the switch pipeline and is arranged in the switch pipeline, one end of the screw rod, far away from the bolt, is fixedly provided with a pressing sheet, the pressing sheet is abutted against the surface of the sealing ball, the inner wall of the main water inlet pipe, far away from the water inlet, of the groove is fixedly provided with a first sealing element, the inner wall of the main water inlet pipe, far away from the water inlet, of the groove is fixedly provided with a second sealing element, the distance between the first sealing element and the second sealing element is smaller than the diameter of the sealing ball, and one end, far away from the water inlet, of the main water inlet, is fixedly provided with a hydraulic cylinder, be provided with the piston in the pneumatic cylinder, the output level of piston is towards the water inlet and the fixedly connected with closing plate of main inlet tube, be provided with the spout that is used for supplying the closing plate to remove on the inner wall of main inlet tube, the spout is located the diameter that the width of just spout is greater than vice inlet tube under the vice inlet tube, be provided with the antiseep subassembly that appears the seepage phenomenon of refluence when being used for preventing the water injection in the vice inlet tube.

2. A fire rated door as claimed in claim 1, further comprising: the anti-seepage assembly comprises a first valve body and a second valve body, a valve core element is arranged between the first valve body and the second valve body and comprises a valve core, a stop block and a second spring, the valve core is in a circular plate shape, the stop block is in a circular ring plate shape, four bulges are arranged on one side surface of the stop block and are abutted against the valve core, a second spring groove is arranged on the other side surface of the stop block, one end of the second spring is abutted against the second spring groove, a water inlet is arranged on the first valve body, a water outlet is arranged on the second valve body, a conical cavity and a connector are arranged at one end of the first valve body, which is far away from the water inlet, a chamfer and a valve core seat are arranged at an inlet of the cavity, the abutted valve core is arranged on the valve core seat, a connector matched with the connector is arranged at one end of the second valve body, which is far away from the water outlet, a second cavity and a second spring seat are arranged inside the connector, the valve core comprises a valve core main body and a rubber sealing ring, wherein the second groove is formed in one surface, contacting with the first valve body, of the valve core main body, and the rubber sealing ring is fixedly arranged in the second groove.

3. A fire rated door as claimed in claim 2, further comprising: the second spring is made of stainless steel, the rigidity of the second spring is 0.8N/mm, and the winding ratio of the second spring is 8.

4. A fire rated door as claimed in claim 1, further comprising: the quick connection assembly comprises a shell, the shell is fixedly connected to a water inlet of a main water inlet pipe and is communicated with the main water inlet pipe, one side, far away from the main water inlet pipe, of the inner wall of the shell is provided with a plurality of inwards sunken first wedge faces, the first wedge faces are distributed on the inner wall of the shell in an annular mode along the circumferential direction of the shell, a clasping ring is arranged in the shell, a plurality of wedge blocks matched with the first wedge faces are arranged on the outer surface of the clasping ring, a plurality of outwards raised second wedge faces are arranged on the outer surface of each wedge block, clamping teeth are arranged on the inner surface of the clasping ring and are in contact with a water pipe, a sealing piece mounting groove is formed in the inner wall, close to one side of the main water inlet pipe, of the clasping ring, a fourth sealing piece is arranged in the sealing piece mounting groove and comprises a circular ring and a retainer, annular grooves are formed in side walls on two sides of the retainer, the annular groove is internally provided with a second rubber sealing ring, the retainer is arranged in the circular ring, and the end surfaces of two sides of the circular ring are respectively provided with a third rubber sealing ring.

5. A method of manufacturing a fire rated door adapted for use as claimed in any one of claims 1 to 4, said method comprising: the method comprises the following steps:

s1, manufacturing the fireproof door main body: and cutting and punching the metal sheet or the wood board by using a numerical control machine to manufacture the fireproof door main body.

S2, punching the fireproof door main body: the fire door body is punched by a punch press to punch a water supply hole, a water drain hole and the like as required.

S3, grooving: the installation groove is turned out on the side edge of the fireproof door main body through a numerically controlled lathe, and then the expansion strip is installed in the installation groove.

S4, mounting a water seepage prevention structural layer: the inner wall of the water containing cavity of the fireproof door main body is subjected to surface treatment, corners are scraped into fillets by putty, then an anti-corrosion layer and a fabric layer are sequentially coated, a glass fiber reinforced plastic layer with required thickness is manufactured through a glass fiber reinforced plastic manufacturing process, and then a resin layer with required thickness is coated in a spraying or hand pasting mode.

S5, mounting a water inlet pipe: fix main inlet tube on the lateral wall of preventing fire door main part through welding or cementing, then with vice inlet tube and water filling port intercommunication to with vice inlet tube and the lateral wall welding or the cementing of preventing fire door main part.

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