CN112065239A

CN112065239A - Door frame structure for quick escape and escape method

Info

Publication number: CN112065239A
Application number: CN202011008297.8A
Authority: CN
Inventors: 钱芳芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2020-12-11

Abstract

The invention belongs to the field of stair doors, and particularly relates to a door frame structure for quick escape and an escape method, which comprise a door frame, an embedded block, a hinge, a limiting rod A, a spring A, a limiting rod B, a spring B, a thin steel wire, a swing rod, a swing shaft, a piston rod, a sliding plug, an air cylinder, an elastic tube, a reaction box and a partition plate, wherein four embedded grooves are symmetrically formed in the outer side of the door frame from left to right, sliding grooves A are formed in the top and the bottom of each embedded groove, and a limiting rod A vertically slides in each sliding groove A; according to the invention, the connection between the hinge mounting position and the door frame is manually disconnected to realize the opening of the blocking door leaf, so that the problem that the stair door cannot be smoothly opened for escaping when a serious fire disaster occurs due to the locking phenomenon generated in the frequent use process is avoided, and the building fire disaster escaping efficiency is improved.

Description

Door frame structure for quick escape and escape method

Technical Field

The invention belongs to the field of stair doors, and particularly relates to a door frame structure for quick escape and an escape method.

Background

The building door is frequently used, the problem of locking easily occurs, the building door can be contacted with property at ordinary times to wait for maintenance, but in emergency, if a fire disaster occurs, the door needs to be opened quickly at the moment. If the building door cannot be opened in time due to locking, people in the building can be trapped, and the trapped people can be suffocated to die due to a large amount of harmful gas generated in the fire. Therefore, it is necessary to design a door frame structure that can easily break a door in an emergency such as a fire.

The invention designs a door frame structure for quick escape and an escape method, which solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a door frame structure for quick escape and an escape method, which are realized by adopting the following technical scheme.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally use, which are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

A door frame structure for quick escape comprises a door frame, embedded blocks, hinges, a limiting rod A, a spring A, a limiting rod B, a spring B, a thin steel wire, a swing rod, a swing shaft, a piston rod, a sliding plug, a cylinder, an elastic tube, a reaction box and a partition plate, wherein four embedded grooves are symmetrically formed in the left side and the right side of the outer side of the door frame, sliding grooves A are formed in the top and the bottom of each embedded groove, and the limiting rod A vertically slides in each sliding groove A; the two limiting rods A are matched with the two limiting grooves A on the embedded block embedded into the corresponding embedded groove, and the embedded block is hinged with the door leaf on the same side through a hinge; each limiting rod A is nested with a spring A for resetting the limiting rod A; a limiting rod B moves horizontally in the sliding groove B on the inner wall of each sliding groove A, the limiting rod B is matched with a limiting groove B on the side wall of the corresponding limiting rod A, and a spring B for resetting the limiting rod B is nested on the limiting rod B.

The four limiting rods B on the same side are connected with one end of a swing rod swinging around a swing shaft in the door frame on the same side through thin steel wires, and the swing shaft moves in a waist circular hole on the swing rod; the door frame is internally provided with a cylinder and a reaction box; a piston rod arranged on a sliding plug in the cylinder drives a swing rod hinged with the piston rod to swing; two liquid substances which can rapidly generate a large amount of carbon dioxide gas through chemical reaction are respectively sealed in two parts of spaces divided by the partition board in the reaction box; the air outlet on the side wall of the reaction box is communicated with the air inlet on the side wall of the air cylinder through an elastic pipe; the two sides of the door frame are internally provided with structures for manually destroying the inner partition plates of the corresponding reaction boxes.

As a further improvement of the technology, a rotating shaft B is rotationally matched in a circular groove on the side wall of the reaction box, and the rotating shaft B is fixedly connected with a square block arranged in a square groove on the side wall of the partition plate; a bevel gear A is arranged on a rotating shaft A which is rotationally matched with the reaction box, and the bevel gear A is meshed with a bevel gear B arranged on a rotating shaft B; the rotating shaft A is in rotating fit with a support arranged on the side wall of the reaction box; the manual twist wheel corresponding to the inner side of the door leaf is arranged at one end of the rotating shaft A, and the rim of the twist wheel is provided with anti-skid insections. The torsion wheel is covered by a cover arranged on the inner side of the door frame, and the cover of the cover for the torsion wheel effectively prevents children from rotating the torsion wheel.

As a further improvement of the technology, the spring A is positioned in a ring groove A on the inner wall of the corresponding chute A; one end of the spring A is connected with the inner wall of the corresponding ring groove A, and the other end of the spring A is connected with a compression spring ring A arranged on the corresponding limiting rod A; the spring B is positioned in the annular groove B on the inner wall of the corresponding sliding groove B; one end of the spring B is connected with the inner wall of the corresponding ring groove B, and the other end of the spring B is connected with a compression spring ring B arranged on the corresponding limiting rod B; the hinge is connected with the embedded block and the door leaf through bolts.

As a further improvement of the technology, each thin steel wire is guided by a plurality of guide wheels A and finally bypasses a ring groove C on a guide wheel B to be connected with a connecting block arranged at one end of a swing rod; the swing rod swings around the swing shaft, drives the limiting rod B connected with the swing rod to horizontally slide through the thin steel wire, and removes the vertical movement limit of the limiting rod A. The guide wheel A can effectively guide the thin steel wire to horizontally pull the corresponding limiting rod B, and the movement resistance of the limiting rod B is reduced. The guide wheel B forms final support for the four corresponding thin steel wires, so that the four thin steel wires can be effectively and quickly pulled when the swing rod swings.

As a further improvement of the technology, the two liquid substances in the reaction box are aluminum sulfate and sodium bicarbonate.

As a further improvement of the technology, the escape method comprises the following steps: breaking a sealing cover covering the torsion wheel on the inner side of any door leaf by using a heavy object and rotating the torsion wheel, wherein the torsion wheel drives a rotating shaft B to rotate through a rotating shaft A, a bevel gear A and a bevel gear B, the rotating shaft B drives a square block to destroy a partition plate, and two liquid substances positioned on two sides of the partition plate in a reaction box meet and quickly generate a large amount of carbon dioxide gas through chemical reaction; a large amount of carbon dioxide gas enters the cylinder and pushes the piston rod to move, and the motion of the piston rod causes the limitation of the two embedded blocks arranged on the same side of the doorframe to be relieved; the corresponding door leaf is pushed outwards, the door leaf drives the two corresponding embedded blocks to be quickly separated from the door frame and swing outwards around the hinged point of the other door leaf and the door frame to be opened, and escape is achieved by disconnecting the hinge installation position from the door frame.

Compared with the traditional stair door, the invention realizes the opening of the dead-locked door leaf by manually disconnecting the hinge mounting position from the door frame, avoids the problem that the stair door cannot be smoothly opened for escaping when a serious fire disaster occurs due to the locking phenomenon generated in the frequent use process, and improves the building fire disaster escaping efficiency. In addition, aluminum sulfate and sodium bicarbonate react violently to generate sodium sulfate-aluminum hydroxide and release a large amount of carbon dioxide gas, and the carbon dioxide is colorless, tasteless, nontoxic and harmless, can be rapidly dissipated in the air, does not pollute the environment and does not harm human bodies. The residues after the chemical reaction of the two substances are nontoxic and harmless aluminum sulfate and aluminum hydroxide.

The invention has simple structure and better use effect.

Drawings

Fig. 1 is an overall schematic view of the present invention from two perspectives.

Fig. 2 is a schematic cross-sectional view from three perspectives of the present invention.

Fig. 3 is a schematic cross-sectional view of the door frame, the embedded block, the hinge and the door leaf.

Fig. 4 is a schematic cross-sectional view of the door frame, the limiting rod a and the embedded block.

FIG. 5 is a schematic cross-sectional view of the door frame, the stop rod A, the embedded block, the stop rod B and the thin steel wire.

FIG. 6 is a schematic view of the combination of the swing link, the connecting block, the guide wheel B and four thin steel wires.

FIG. 7 is a schematic cross-sectional view of the combination of a thin steel wire, a connecting block, a swing rod, a swing shaft, a piston rod, a cylinder, an elastic tube and a reaction box.

FIG. 8 is a schematic cross-sectional view showing the reaction cassette, partition plates, blocks, shaft B, bevel gear A, shaft A, and torsion wheel.

Figure 9 is a schematic view of a doorframe.

Figure 10 is a schematic view of a partial cross section of a door frame.

Fig. 11 is a schematic cross-sectional view of an insert and its insert.

Fig. 12 is a schematic view of a stop lever.

Fig. 13 is a schematic view of the guide wheel B.

FIG. 14 is a schematic sectional view of the reaction cassette.

Number designation in the figures: 1. a door leaf; 2. a door frame; 3. a groove is embedded; 4. a chute A; 5. a ring groove A; 6. a chute B; 7. a ring groove B; 8. embedding a block; 9. a limiting groove A; 10. a hinge; 11. a bolt; 12. a limiting rod A; 13. a limiting groove B; 14. a spring A; 15. a compression spring ring A; 16. a limiting rod B; 17. a spring B; 18. a compression spring ring B; 19. thin steel wires; 20. a guide wheel A; 21. a guide wheel B; 22. a joining block; 23. a swing rod; 24. a lumbar circular hole; 25. a pendulum shaft; 26. a piston rod; 27. a sliding plug; 28. a cylinder; 29. an air inlet; 30. an elastic tube; 31. a reaction box; 32. an air outlet; 33. a circular groove; 34. a partition plate; 35. a square groove; 36. a square block; 37. a rotating shaft B; 38. a bevel gear B; 39. a bevel gear A; 40. a rotating shaft A; 41. a torsion wheel; 42. a support; 43. sealing the cover; 44. and a ring groove C.

Detailed Description

The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.

As shown in fig. 1 and 2, the door comprises a door frame 2, an embedded block 8, a hinge 10, a limiting rod a12, a spring a14, a limiting rod B16, a spring B17, a thin steel wire 19, a swing rod 23, a swing shaft 25, a piston rod 26, a sliding plug 27, a cylinder 28, an elastic tube 30, a reaction box 31 and a partition plate 34, wherein as shown in fig. 9 and 10, four embedded grooves 3 are symmetrically formed in the outer side of the door frame 2, and a sliding groove a4 is formed in the top and the bottom of each embedded groove 3; as shown in fig. 4, 5 and 11, a limiting rod a12 vertically slides in each sliding groove a 4; the two limiting rods A12 are matched with the two limiting grooves A9 on the embedded block 8 embedded in the corresponding embedded grooves 3; as shown in fig. 3 and 4, the embedded block 8 is hinged with the same side door leaf 1 through a hinge 10; as shown in fig. 5, 11 and 12, each limiting rod a12 is nested with a spring a14 for resetting the limiting rod; a sliding groove B6 on the inner wall of each sliding groove A4 is provided with a limiting rod B16 which moves horizontally, the limiting rod B16 is matched with a limiting groove B13 on the side wall of the corresponding limiting rod A12, and a spring B17 for resetting the limiting rod B16 is nested on the limiting rod B16.

As shown in fig. 5, 6 and 7, the four limiting rods B16 on the same side are all connected with one end of a swing rod 23 swinging around a swing shaft 25 in the door frame 2 on the same side through thin steel wires 19, and the swing shaft 25 moves in a waist circular hole 24 on the swing rod 23; the air cylinder 28 and the reaction box 31 are arranged in the door frame 2; a piston rod 26 arranged on a sliding plug 27 in the cylinder 28 drives a swing rod 23 hinged with the piston rod to swing; two liquid substances which can rapidly generate a large amount of carbon dioxide gas through chemical reaction are respectively sealed in two parts of spaces divided by the partition plate 34 in the reaction box 31; as shown in fig. 7 and 14, an air outlet 32 on the side wall of the reaction box 31 is communicated with an air inlet 29 on the side wall of the air cylinder 28 through an elastic tube 30; as shown in fig. 2 and 8, the two sides of the door frame 2 are both provided with structures for manually destroying the partition boards 34 in the corresponding reaction boxes 31.

As shown in fig. 8 and 14, a rotating shaft B37 is rotatably fitted in the circular groove 33 on the sidewall of the reaction box 31, and the rotating shaft B37 is fixedly connected with the square block 36 installed in the square groove 35 on the sidewall of the partition 34; a bevel gear A39 is arranged on a rotating shaft A40 which is rotationally matched with the reaction box 31, and the bevel gear A39 is meshed with a bevel gear B38 arranged on a rotating shaft B37; the rotating shaft A40 is rotationally matched with a support 42 arranged on the side wall of the reaction box 31; the hand-operated torsion wheel 41 corresponding to the inner side of the door leaf 1 is arranged at one end of the rotating shaft A40, and the rim of the torsion wheel 41 is provided with anti-skid insections. The torsion wheel 41 is covered by a cover 43 mounted on the inside of the doorframe 2, and the covering of the torsion wheel 41 by the cover 43 effectively prevents a child from rotating the torsion wheel 41.

As shown in fig. 4 and 5, the spring a14 is located in a ring groove a5 on the inner wall of the corresponding sliding groove a 4; one end of the spring A14 is connected with the inner wall of the corresponding ring groove A5, and the other end is connected with a compression spring ring A15 arranged on the corresponding limiting rod A12; the spring B17 is positioned in a ring groove B7 on the inner wall of the corresponding sliding groove B6; one end of the spring B17 is connected with the inner wall of the corresponding ring groove B7, and the other end is connected with a compression spring ring B18 arranged on the corresponding limiting rod B16; as shown in fig. 3, the hinge 10 is connected to the insert 8 and the door 1 by a bolt 11.

As shown in fig. 6, 7 and 13, each of the above-mentioned thin steel wires 19 is guided by a plurality of guide wheels a20 and finally passes through the annular groove C44 on the guide wheel B21 to be connected with the engaging block 22 installed at one end of the swing link 23; the swing rod 23 swings around the swing shaft 25 and drives the limiting rod B16 connected with the swing rod to horizontally slide through the thin steel wire 19, and the vertical movement limitation of the limiting rod A12 is released. The guide wheel A20 can effectively guide the thin steel wire 19 to horizontally pull the corresponding limiting rod B16, and the movement resistance of the limiting rod B16 is reduced. The guide wheel B21 forms the final support for the four thin steel wires 19, which is convenient for the four thin steel wires 19 to be pulled effectively and quickly when the swing rod 23 swings.

As shown in fig. 8 and 14, the two liquid substances in the reaction cassette 31 are aluminum sulfate and sodium bicarbonate.

As shown in fig. 6, 7 and 8, the escape method comprises the following steps: breaking a sealing cover 43 covering the torsion wheel 41 on the inner side of any door leaf 1 by using a heavy object and rotating the torsion wheel 41, wherein the torsion wheel 41 drives a rotating shaft B37 to rotate through a rotating shaft A40, a bevel gear A39 and a bevel gear B38, the rotating shaft B37 drives a square block 36 to destroy a partition plate 34, and two liquid substances positioned on two sides of the partition plate 34 in a reaction box 31 meet and generate a large amount of carbon dioxide gas rapidly through chemical reaction; a large amount of carbon dioxide gas enters the cylinder 28 and pushes the piston rod 26 to move, and the movement of the piston rod 26 causes the limitation of the two embedded blocks 8 arranged on the same side of the doorframe 2 to be released; corresponding door leaf 1 is outwards promoted, and door leaf 1 drives two corresponding embedded blocks 8 and breaks away from door frame 2 fast and outwards swings around the pin joint of another door leaf 1 and door frame 2 and opens, realizes fleing through the connection of disconnection hinge 10 mounted position and door frame 2.

The working process of the invention is as follows: in the initial state, the partition 34 in the reaction cassette 31 seals the two liquid substances in the space divided into two by the partition 34, and the piston rod 26 is retracted to the extreme position in the cylinder 28. Spring A14 and spring B17 are both in a compressed energy storage state. The thin steel wires 19 are in a taut state. The two door leaves 1 are in a closed state, the embedded blocks 8 are respectively embedded into the embedded grooves 3 on the corresponding door leaves 1, each limiting rod A12 is inserted into the limiting groove A9 on the corresponding embedded block 8, and each limiting rod B16 is inserted into the limiting groove B13 on the corresponding limiting rod A12.

When the two door leaves 1 are locked and can not be opened in the process of fire, people trapped in a room break any one of the sealing covers 43 on the door frame 2 by using a heavy object and rotate the torsion wheel 41, the torsion wheel 41 drives the bevel gear A39 to rotate through the rotating shaft A40, the bevel gear A39 drives the rotating shaft B37 to rotate through the bevel gear B38, and the rotating shaft B37 drives the square 36 to synchronously rotate. The rotating block 36 breaks the diaphragm 34. The two liquid substances are rapidly fused, the two positions are rapidly chemically changed to generate a large amount of carbon dioxide, the carbon dioxide enters the cylinder 28 through the elastic tube 30 and pushes the piston rod 26 to move outwards the cylinder 28 through the sliding plug 27, the piston rod 26 drives the swing rod 23 to swing around the swing shaft 25, and the swing rod 23 pulls the corresponding four limiting rods B16 towards the inside of the door frame 2 through the four thin steel wires 19.

The four limiting rods B16 are respectively and rapidly separated from the limiting grooves B13 on the corresponding limiting rods A12, the limitation on the limiting rods A12 is removed, and the springs B17 nested on the limiting rods B16 are further compressed to store energy. The four limit rods a12 in the door leaf 1 are instantaneously retracted into the corresponding sliding grooves a4 and instantaneously separated from the corresponding limit grooves a9 on the embedded blocks 8 under the action of the corresponding springs a14, and the four limit rods a12 simultaneously remove the limitation on the two embedded blocks 8. At this moment, the connection between the door leaf 1 and the door frame 2 is broken, the person trapped in the room pushes the door leaf 1 from inside to outside, the door leaf 1 drives the two embedded blocks 8 to be separated from the two embedded grooves 3 on the door frame 2 and outwards open around the hinged point of the two embedded blocks 8 on the other door leaf 1 and the door frame 2, and therefore the rapid escape is realized.

In conclusion, the beneficial effects of the invention are as follows: according to the invention, the connection between the installation position of the hinge 10 and the door frame 2 is manually disconnected to realize the opening of the blocking door leaf 1, so that the problem that the stair door cannot be smoothly opened for escape in the case of serious fire due to the locking phenomenon generated in the frequent use process is avoided, and the building fire escape efficiency is improved. In addition, aluminum sulfate and sodium bicarbonate react violently to generate sodium sulfate-aluminum hydroxide and release a large amount of carbon dioxide gas, and the carbon dioxide is colorless, tasteless, nontoxic and harmless, can be rapidly dissipated in the air, does not pollute the environment and does not harm human bodies. The residues after the chemical reaction of the two substances are nontoxic and harmless aluminum sulfate and aluminum hydroxide.

Claims

1. A door frame structure for quick escape is characterized in that: the device comprises a door frame, embedded blocks, hinges, a limiting rod A, a spring A, a limiting rod B, a spring B, a thin steel wire, a swing rod, a swing shaft, a piston rod, a sliding plug, a cylinder, an elastic tube, a reaction box and a partition plate, wherein four embedded grooves are symmetrically formed in the left side and the right side of the outer side of the door frame, sliding grooves A are formed in the top and the bottom of each embedded groove, and the limiting rod A vertically slides in each sliding groove A; the two limiting rods A are matched with the two limiting grooves A on the embedded block embedded into the corresponding embedded groove, and the embedded block is hinged with the door leaf on the same side through a hinge; each limiting rod A is nested with a spring A for resetting the limiting rod A; a limiting rod B horizontally moves in the sliding groove B on the inner wall of each sliding groove A, is matched with a limiting groove B on the side wall of the corresponding limiting rod A, and is nested with a spring B for resetting the limiting rod B;

2. The door frame structure for rapid escape according to claim 1, wherein: a rotating shaft B is rotationally matched in the circular groove on the side wall of the reaction box and is fixedly connected with a square block arranged in the square groove on the side wall of the partition plate; a bevel gear A is arranged on a rotating shaft A which is rotationally matched with the reaction box, and the bevel gear A is meshed with a bevel gear B arranged on a rotating shaft B; the rotating shaft A is in rotating fit with a support arranged on the side wall of the reaction box; a manual torsion wheel corresponding to the inner side of the door leaf is arranged at one end of the rotating shaft A, and anti-skid insections are arranged on the rim of the torsion wheel; the torsion wheel is covered by a cover mounted on the inside of the door frame.

3. The door frame structure for rapid escape according to claim 1, wherein: the spring A is positioned in the annular groove A on the inner wall of the corresponding sliding groove A; one end of the spring A is connected with the inner wall of the corresponding ring groove A, and the other end of the spring A is connected with a compression spring ring A arranged on the corresponding limiting rod A; the spring B is positioned in the annular groove B on the inner wall of the corresponding sliding groove B; one end of the spring B is connected with the inner wall of the corresponding ring groove B, and the other end of the spring B is connected with a compression spring ring B arranged on the corresponding limiting rod B; the hinge is connected with the embedded block and the door leaf through bolts.

4. The door frame structure for rapid escape according to claim 1, wherein: each thin steel wire is guided by a plurality of guide wheels A and finally bypasses a ring groove C on a guide wheel B to be connected with a connecting block arranged at one end of the swing rod; the swing rod swings around the swing shaft, drives the limiting rod B connected with the swing rod to horizontally slide through the thin steel wire, and removes the vertical movement limit of the limiting rod A.

5. The door frame structure for rapid escape according to claim 1, wherein: the two liquid substances in the reaction box are aluminum sulfate and sodium bicarbonate.

6. An escape method based on the doorframe structure for quick escape as set forth in claim 1, wherein: the escape method comprises the following steps: breaking a sealing cover covering the torsion wheel on the inner side of any door leaf by using a heavy object and rotating the torsion wheel, wherein the torsion wheel drives a rotating shaft B to rotate through a rotating shaft A, a bevel gear A and a bevel gear B, the rotating shaft B drives a square block to destroy a partition plate, and two liquid substances positioned on two sides of the partition plate in a reaction box meet and quickly generate a large amount of carbon dioxide gas through chemical reaction; a large amount of carbon dioxide gas enters the cylinder and pushes the piston rod to move, and the motion of the piston rod causes the limitation of the two embedded blocks arranged on the same side of the doorframe to be relieved; the corresponding door leaf is pushed outwards, the door leaf drives the two corresponding embedded blocks to be quickly separated from the door frame and swing outwards around the hinged point of the other door leaf and the door frame to be opened, and escape is achieved by disconnecting the hinge installation position from the door frame.