CN112412300A

CN112412300A - Fire door capable of resisting shock waves

Info

Publication number: CN112412300A
Application number: CN202011363670.1A
Authority: CN
Inventors: 向兴云
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-02-26

Abstract

The invention discloses a fire door capable of resisting shock waves, and relates to the technical field of fire-fighting equipment. According to the invention, through the interaction between the designed plugging device and the elastic sheet support, the elastic sheet support can play a role of providing buffer displacement for the sealing cylinder when the sealing cylinder is impacted, and the through hole on the sealing ring is opened to allow high-pressure airflow to pass through, so that the effect of providing protection for the joint is realized, and meanwhile, the reduction of the pressure borne by the fire door panel can reduce the deformation probability caused by the impact, so that the combustion supporting caused by the entering of outside air is avoided.

Description

Fire door capable of resisting shock waves

Technical Field

The invention relates to a fire door, relates to the technical field of fire fighting equipment, and particularly relates to a shock wave resistant fire door.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. The fireproof partition is arranged in fireproof partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance, and the fireproof door has the functions of preventing fire from spreading and smoke from diffusing besides the function of a common door, can prevent the fire from spreading within a certain time and ensures personnel evacuation.

Among the prior art, the door leaf part of preventing fire door all is the integral type, possesses good airtight effect when using, nevertheless appears deflagration in the space of lighting a fire and when leading to appearing the air current and assaulting, it can't carry out the pressure release to lead to the door integument to strike deformation, the seal damages, makes the outside air get into and leads to combustion-supportingly, and then leads to the condition of intensity of a fire increase, has the defect.

Disclosure of Invention

The invention provides a fire door capable of resisting shock waves, and aims to provide a pressure relief function and solve the problem that the air tightness of the fire door is easily damaged when the fire door is impacted by airflow.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a fire door that can anti shock wave, includes the door frame, department fixed mounting has the lock in the middle of the side of door frame, fixed mounting has the hinge on the side that the lock was kept away from to the door frame, the inboard fixed mounting of door frame has a body, the door body is including the fire control door plant, the fire control door plant includes the fire control door plant, the fire control door plant is gone up to be embedded to have a plurality of connectors, every the ware is let out in a homogeneous correspondence installation in the connector.

The technical scheme of the invention is further improved as follows: the connector comprises an embedded cylinder, a plurality of side feet are fixed on the outer side surface of the embedded cylinder, and the side feet in the same plane are arranged in a circular array by taking the axis of the embedded cylinder as the center of a circle.

The technical scheme of the invention is further improved as follows: the embedded cylinder comprises an isosceles trapezoid cross section, a plurality of inner side surfaces are arranged on the inner side surfaces, the cross section is V-shaped, one end of the cross section is fixed on the inner side wall, and the other end of the cross section is in contact with the adjacent end of the inner side wall.

The technical scheme of the invention is further improved as follows: the limit foot includes the extension bar, the bottom of extension bar and between fixed connection, the inside groove has all been dug to the both sides face inboard that the extension bar is relative, every a plurality of elasticity barbs of the equal fixedly connected with in inside of inside groove, the cross section of elasticity barb is the V type, the one end that the elasticity barb was kept away from and the inner wall fixed connection of inside groove, the setting of sliding between the one end that the elasticity barb is close to and the inside groove.

The technical scheme of the invention is further improved as follows: the pressure relief device comprises a carrier, the cross section of the carrier is isosceles trapezoid, the carrier is fixedly occluded with the carrier, a spring plate support is fixedly connected to the inner wall of a small port of the carrier, the axis of the spring plate support coincides with the axis of the carrier, one end, away from the small port of the carrier, of the spring plate support is connected with a plugging device, a sealing ring is attached to the outer side of the plugging device, and the sealing ring is fixedly clamped with the inner wall of a large port of the carrier.

The technical scheme of the invention is further improved as follows: the plugging device comprises a sealing barrel, the sealing barrel is bowl-shaped, a sealing edge is arranged on the side of the sealing barrel, and the bottom of the inner wall of the sealing barrel is fixedly connected with the elastic sheet support.

The technical scheme of the invention is further improved as follows: the sealing ring comprises a ring body, a middle through hole is drilled in the middle of the inside of the ring body, the middle through hole is mutually matched with the sealing barrel and the sealing edge, a side through hole is drilled on the side of the ring body, one port of the side through hole is formed in the inner wall of the middle through hole, and the side through hole and the sealing edge are in one-to-one correspondence.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a fire door capable of resisting shock waves, which is characterized in that through the interaction between a designed plugging device and a spring plate bracket, so that the spring plate bracket can play a role of providing buffer displacement for the sealing cylinder when the sealing cylinder is impacted, meanwhile, the through hole on the sealing ring is opened to allow high-pressure airflow to pass through, the pressure on the front surface of the fire door panel and the pressure relief device is reduced by utilizing the characteristic of aerodynamic force, thereby realizing the effect of reducing the pressure of the door lock and the door hinge, reducing the acting force required to be born by the door lock and the door hinge, providing protection for the joint, meanwhile, the reduction of the pressure born by the fire door panel can also reduce the deformation probability caused by impact, meanwhile, the elastic sheet support can push the plugging device back to the original position after impact, so that the plugging device continues to plug the sealing ring, the integral air tightness of the fire door is maintained, and combustion supporting caused by the entering of outside air is avoided.

2. The invention provides a fire door capable of resisting shock waves, wherein a pressure relief device is fixed on a fire door plate through a designed connector, the connector is folded when being subjected to pressure from a carrier, the elasticity of the connector directly acts on the carrier, and the connector cannot rebound due to the limitation of a deformation space, so that the connector is connected with the carrier, meanwhile, when the pressure relief device is impacted, the impact pressure can be directly transmitted to an extension rod through conduction, at the moment, an elastic barb on the extension rod deforms under the pulling action of the extension rod and the limiting action of the fire door plate, and continuously penetrates into the fire door plate to strengthen the connection strength between the extension rod and the fire door plate, so that the probability that the connector and the pressure relief device fall off from the fire door plate when being impacted is reduced, and the safety of the fire door plate is further improved.

Drawings

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

FIG. 2 is a schematic view of the door body structure of the present invention;

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

FIG. 4 is an enlarged view of the area A of the present invention;

FIG. 5 is a schematic view of the stand-off structure of the present invention;

FIG. 6 is a schematic view of the pressure relief device according to the present invention;

figure 7 is a schematic view of the occluder of the present invention;

fig. 8 is a schematic view of the structure of the seal ring of the present invention.

In the figure: 1. a door jamb; 2. a door lock; 3. a door hinge; 4. a door body; 41. a fire door panel; 42. a connector; 421. embedding a cylinder; 4211. a barrel; 4212. an elastic card; 422. a leg; 4221. an extension bar; 4222. an inner tank; 4223. elastic barbs; 43. a pressure relief device; 431. a carrier; 432. a spring plate bracket; 433. an occluder; 4331. sealing the cylinder; 4332. sealing edges; 434. a sealing ring; 4341. a ring body; 4342. a middle through hole; 4343. and side through holes.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-2, the invention provides a fire door capable of resisting shock waves, which comprises a door frame 1, wherein a door lock 2 is fixedly installed in the middle of one side edge of the door frame 1, a door hinge 3 is fixedly installed on one side edge of the door frame 1, which is far away from the door lock 2, a door body 4 is fixedly installed on the inner side of the door frame 1, the door body 4 comprises a fire door plate 41, the fire door plate 41 comprises a fire door plate 41, a plurality of connectors 42 are embedded in the fire door plate 41, and a pressure relief device 43 is correspondingly installed in each connector 42.

In this embodiment, the door jamb 1 is mounted to a predetermined position by the designed door hinge 3, then the open/close state of the door is controlled by the designed door lock 2, the fire door panel 41 on the door body 4 isolates the temperature from the fire when in use, and the connector 42 and the pressure relief device 43 relieve the air flow impact, thereby reducing the impact on the fire door panel 41.

Example 2

As shown in fig. 3 to 5, on the basis of embodiment 1, the present invention provides a technical solution: the connector 42 comprises an embedded cylinder 421, a plurality of side legs 422 are fixed on the outer side surface of the embedded cylinder 421, the side legs 422 in the same plane are arranged in a circular array by taking the axis of the embedded cylinder 421 as the center of a circle, the embedded cylinder 421 comprises 4211, the cross section of 4211 is in an isosceles trapezoid shape, the inner side surface of 4211 is provided with a plurality of 4212, the cross section of 4212 is in a V shape, one end of 4212 is fixed on the inner side wall of 4211, the other end of 4212 is in contact with the adjacent 4212, each side leg 422 comprises an extension rod 4221, the bottom end of the extension rod 4221 is fixedly connected with the 4211, inner grooves 4222 are drilled on the inner sides of two opposite side surfaces of the extension rod 4221, a plurality of elastic barbs 4223 are fixedly connected inside each inner groove 4222, the cross section of each elastic barb 4223 is in a V shape, one end of each elastic barb 4223, far away from the 4211, is fixedly connected with the inner wall of the inner groove 4222, and.

In this embodiment, inlay a section of thick bamboo 421 through the design and install fixed pressure relief structure additional for fire control door plant 41, limit foot 422 on it can play and alternate the effect that sets up with fire control door plant 41 with inlaying a section of thick bamboo 421, both are more stable firm through the connection of limit foot 422, limit foot 422 is when receiving the dragging, elasticity barb 4223 on it can tend to fire control door plant 41's inside and alternate, thereby increase the area of contact between elasticity barb 4223 and the fire control door plant 41, reduce its pressure to fire control door plant 41, thereby increase the stability of being connected between elasticity barb 4223 and the fire

control door plant

41, and 4212's design then is used for bending when it receives pressure and stepping down, this design is used for providing compression space for installation pressure relief structure, avoid rigid connection between the two and lead to easy loose problem.

Example 3

As shown in fig. 6 to 8, on the basis of embodiment 1, the present invention provides a technical solution: the pressure relief device 43 comprises a carrier 431, the cross section of the carrier 431 is isosceles trapezoid, the

carrier

431 and 4212 are engaged and fixed, a spring support 432 is fixedly connected to the inner wall of the small port of the carrier 431, the axis of the spring support 432 is coincident with the axis of the carrier 431, one end of the spring support 432, which is far away from the small port of the carrier 431, is connected with a stopper 433, a sealing ring 434 is attached to the outer side of the stopper 433, the sealing ring 434 is fixedly clamped with the inner wall of the large port of the carrier 431, the stopper 433 comprises a sealing cylinder 4331, the sealing cylinder 4331 is bowl-shaped, a sealing edge 4332 is arranged on the side of the sealing cylinder 4331, the bottom of the inner wall of the sealing cylinder 4331 is fixedly connected with the spring support 432, the sealing ring 434 comprises a ring 4341, a middle through hole 4342 penetrates through the middle part of the ring 4341, the middle through hole 4342 is mutually engaged with the sealing cylinder 4331 and the 4332, a side through hole 4343 is drilled on the side of the sealing ring 4341, one end opening of the side through hole 4343, the side through holes 4343 are arranged in one-to-one correspondence with the sealing edges 4332.

In this embodiment, the pressure relief device 43 is integrally installed in the connector 42 through the designed carrier 431, the tapered design can distribute and transmit pressure to the fire door panel 41 when being impacted, so as to prevent the fire door panel from falling off when being impacted, the elastic sheet support 432 installed therein can provide support for fixing the position of the stopper 433, and the elasticity of the cone can enable the sealing cylinder 4331 to shrink when being impacted, thereby releasing the sealing state between the stopper 433 and the sealing ring 434, enabling compressed air to pass through, and achieving the pressure relief effect, wherein the umbrella-shaped design of the sealing cylinder 4331 and the sealing edge 4332 can enable the sealing edge 4332 to elastically deform when being impacted by the side through holes 4343, so as to release the sealing of the side through holes 4343, and the sealing cylinder 4331 can release the sealing of the middle through hole 4342 when being impacted and displaced.

The working principle of the anti-shock fire door is described in detail below.

As shown in fig. 1-8, when the present invention is used, firstly, the door frame 1 with the door body 4 is installed at a predetermined position through the door hinge 3, when air is impacted and compressed due to deflagration in a fire, the air impact can be directly applied to the door body 4, according to the law of aerodynamic force, at this time, the fire door panel 41 and the pressure relief device 43 bear the same pressure, when the pressure is applied to the sealing cylinder 4331, the pressure is simultaneously transmitted to the elastic sheet support 432 to contract, and simultaneously, the high-pressure gas entering from the side through hole 4343 acts on the sealing edge 4332 to deform, the mutual cooperation enables the middle through hole 4342 and the side through hole 4343 to be opened and in a circulating state, the high-pressure gas passes through the two parts, at this time, the pressure borne by the fire door panel 41 and the ring 4341 is reduced, and the damage degree of the present invention when the air impact is reduced;

when the ring 4341 is subjected to gas pressure, the pressure is directly transmitted to the carrier 431, then the carrier 431 transmits the pressure to 4211 through 4212, 4211 transmits the pressure to 4211, because the 4211 is connected with the fire door panel 41 through the elastic barbs 4223, and because the extension bar 4221 is pulled by 4211 to generate slight displacement, and the elastic barbs 4223 are clamped with the fire door panel 41, the extension bar 4221 drives one end of the elastic barbs 4223 to move, and the other end of the elastic barbs 4223 cannot move under the limit of the fire door panel 41, so that the elastic barbs 4223 are continuously bent, the distance between the end points of the elastic barbs 4223 and the extension bar 4221 is increased, the extension bar 4221 cannot be displaced under the pressure of the elastic barbs 4223 by the pressing plate layer of the fire door panel 41, so that the tip of the elastic barbs 4223 continues to be deep between the plate layers of the fire door panel 41, and the mutual contact area is increased, the direction of the interaction force is also adjusted, so that the strength of the connection between the extension rod 4221 and the fire door panel 41 is increased to prevent the extension rod 4221 from falling off the fire door panel 41.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims

1. The utility model provides a fire door that can resist shock wave, includes door frame (1), its characterized in that: department fixed mounting has lock (2) in the middle of the side of door frame (1), fixed mounting has hinge (3) on the side of door frame (1) keeping away from lock (2), the inboard fixed mounting of door frame (1) has a door body (4), door body (4) are including fire control door plant (41), fire control door plant (41) are including fire control door plant (41), the fire control door plant (41) are gone up to be embedded to have a plurality of connectors (42), every the ware (43) are installed to a uniform correspondence in connector (42).

2. A blast resistant fire fighting door as defined in claim 1, wherein: the connector (42) comprises an embedded cylinder (421), a plurality of side feet (422) are fixed on the outer side surface of the embedded cylinder (421), and the side feet (422) in the same plane are arranged in a circular array by taking the axis of the embedded cylinder (421) as the center of a circle.

3. A blast resistant fire fighting door as defined in claim 2, wherein: the embedded cylinder (421) comprises a cylinder (4211), the cross section of the cylinder (4211) is isosceles trapezoid, a plurality of cylinders (4212) are arranged on the inner side surface of the cylinder (4211), the cross section of the cylinder (4212) is V-shaped, one end of the cylinder (4212) is fixed on the inner side wall of the cylinder (4211), and the other end of the cylinder is in contact with the adjacent cylinder (4212).

4. A blast resistant fire fighting door as defined in claim 2, wherein: the limit foot (422) is including stretch out bar (4221), fixed connection between the bottom of stretch out bar (4221) and (4211), interior groove (4222) have all been dug to stretch out bar (4221) relative both sides inboard, every the equal fixedly connected with a plurality of elasticity barbs (4223) of inside of interior groove (4222), the cross section of elasticity barb (4223) is the V type, the inner wall fixed connection of the one end of (4211) and interior groove (4222) is kept away from in elasticity barb (4223), the setting of sliding between one end that elasticity barb (4223) is close to (4211) and interior groove (4222).

5. A blast resistant fire fighting door as defined in claim 1, wherein: the pressure relief device (43) comprises a carrying cylinder (431), the cross section of the carrying cylinder (431) is isosceles trapezoid, the carrying cylinder (431) and the (4212) are fixedly occluded, a spring plate support (432) is fixedly connected to the small-port inner wall of the carrying cylinder (431), the axis of the spring plate support (432) and the axis of the carrying cylinder (431) are mutually overlapped, one end, away from the small-port of the carrying cylinder (431), of the spring plate support (432) is connected with a sealing device (433), a sealing ring (434) is attached to the outer side of the sealing device (433), and the sealing ring (434) is fixedly clamped with the large-port inner wall of the carrying cylinder (431).

6. A fire fighting door according to claim 5, characterized in that: the stopper (433) is including sealing a section of thick bamboo (4331), seal a section of thick bamboo (4331) and be the calathiform, be equipped with banding (4332) on the avris of sealing a section of thick bamboo (4331), fixed connection between the inner wall bottom of sealing a section of thick bamboo (4331) and shell fragment support (432).

7. A fire fighting door according to claim 5, characterized in that: the sealing ring (434) comprises a ring body (4341), a middle through hole (4342) is drilled in the middle of the inner part of the ring body (4341), the middle through hole (4342) is mutually matched with the sealing cylinder (4331) and the sealing edge (4332), a side through hole (4343) is drilled on the side of the ring body (4341), one port of the side through hole (4343) is arranged on the inner wall of the middle through hole (4342), and the side through hole (4343) and the sealing edge (4332) are arranged in a one-to-one correspondence manner.