Descending evacuation device for high-rise floors

Abstract

To provide a descending evacuation device allowing people to safely descend from high floors.SOLUTION: A descending evacuation device comprises a descending open / close nut structure 20 including a descending screw rod 10 having a male thread 11 on an outer periphery and a female thread 41 to be screwed to the male thread, on the inside, and evacuation vests for evacuees are attached to a plurality of hanging rings 36 and 56 provided on an upper lid 30 and a lower lid 50 provided above and below the descending open / close nut structure 20. In use, the descending open / close nut structure 20 is deployed, the male thread of the descending screw rod 10 is screwed into the female thread so as to set the descending open / close nut structure 20, and when a stopper 15 is pulled out, the descending open / close nut structure 20 slowly descends while rotating along the descending screw rod 10. The rotation of the descending open / close nut structure 20 is not transmitted by a plurality of inner and outer peripheral press-fixing rollers 301, etc., so that a stable effect can be provided.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a descending type evacuation device for high-rise buildings, and more particularly to a descending type evacuation device for high-rise buildings used as an evacuation device for high-rise buildings. [Background technology]

[0002] Elevators used in high-rise buildings generally are often out of service due to power outages in the event of a fire, and there is also the possibility that the escape stairs may be blocked by flames and become impassable. For this reason, many high-rise buildings are equipped with separate escape equipment such as slow descents as backup evacuation devices in case the escape stairs are blocked by flames or other factors.

[0003] However, current descents usually use a rope suspension system to lower personnel from the outside of a building to the ground. These descents are prone to shaking when in use and do not provide sufficient protection for personnel, making them prone to injury when evacuating. They also cannot be used smoothly by people who are in poor health at the scene of a fire.

[0004] For the above reasons, fixed slow-descent ladders have appeared, but many of the fixed slow-descent ladders currently in use have complex structures and are prone to breaking, making them difficult to widespread use and lacking in durability.

[0005] For the above reasons, the current descent-type evacuation devices have various drawbacks in use, and solving the above problems through structural improvements has become an important issue for the relevant industries. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Japanese Utility Model Application Publication No. 55-27503 [Patent Document 1] Japanese Utility Model Application Publication No. 58-183178 [Patent Document 1] JP 2011-125648 A [Patent Document 1] JP 2005-27915 A Summary of the Invention [Problem to be solved by the invention]

[0007] The object of the present invention is to provide a descending type evacuation device for high-rise floors which has a simple structure and is durable, and which has excellent features such as high safety, a high success rate of evacuation, easy operation, reusability by a large number of people, low installation costs, suitability in any environment, high durability, low maintenance costs, and space saving. [Means for solving the problem]

[0008] The descending type evacuation device for high-rise buildings according to the present invention allows evacuating personnel to descend gently and safely to the ground from an emergency exit on a high-rise building. The descent-type evacuation device for high-rise floors of the present invention comprises a descent threaded rod having a male thread on its outer periphery, and an open-close nut structure for descent which has a corresponding female thread on its inner periphery and which, when set, threads into the male thread on the descent threaded rod to rotate and slide down, thereby achieving a gentle descent. The opening and closing nut structure for descent includes an upper cover, a load nut rotor, a lower cover, a coupling end coupling member and a movable end coupling member. The load nut rotor is divided into two equal parts from the center to accommodate the descent screw rod, and is located between the upper and lower covers. The load nut rotor has an inner circumference with a female thread that screws into the male thread on the outer circumference of the descent screw rod. A load disk is provided at the upper end of the load nut rotor, and a connecting disk is provided at the lower end. An outer peripheral guide groove and an inner peripheral guide groove are provided concentrically on the upper flat surface of the load disk, and an intermediate guide groove is also provided concentrically on the lower flat surface of the load disk. The coupling disk of the load nut rotor is provided with a shaft coupling hole and a safety pin coupling hole on both ends of the divided cut groove cross section.

[0009] The arc-shaped cover type clip is placed over and connected to the divided connecting disk, and one end is provided with an axial rod connecting hole for inserting an axial rod to serve as a fixed end relative to the connecting disk, and the other end is provided with a safety pin connecting hole through which a safety pin can be inserted to firmly connect the two halves of the load nut rotor.When the safety pin is removed, the load nut rotor is unfolded together with the top and bottom covers, and the descent screw rod is set on the load nut rotor to close the load nut rotor together with the top and bottom covers, and the safety pin is inserted into the corresponding safety pin connecting hole of the arc-shaped cover type clip and the connecting disk to connect and secure them.

[0010] In the present invention, a hole is provided in the center of the top cover for passing a descending screw rod through, and the top cover is divided into two equal parts from the center to form a symmetrical sheet body through the cut groove cross section. Connecting end insertion holes are provided on both the left and right sides of one end of the cut groove cross section on the outer edge of the top cover, and movable end insertion holes and top cover pin holes are provided on both the left and right sides of the other end. In addition, a number of hanging rings for hanging evacuation equipment to be worn are provided on the outer edge of the top lid, and a number of corresponding insertion holes for inserting reinforcing support pillars are provided in the top lid and the bottom lid, and the top lid and the bottom lid are fixed together by the support pillars. A plurality of outer peripheral restraining rollers and a plurality of inner peripheral restraining rollers are provided on the lower flat surface of the upper cover, which are guided by concentric outer peripheral guide grooves and inner peripheral guide grooves, respectively, provided on the upper flat surface of the load disk of the load nut rotor.

[0011] A hole is provided in the center of the lower cover for passing the descending screw rod therethrough, and the lower cover is divided into two equal parts from the center of the hole to form a symmetrical sheet body across the cut groove cross section. The outer edge of the bottom cover has a plurality of hanging rings for suspending the evacuation equipment, and a plurality of insertion holes for inserting the reinforcing posts. A plurality of intermediate restraining rollers are provided on the upper flat surface of the lower cover and are guided by intermediate guide grooves provided concentrically on the lower flat surface of the load disk.

[0012] The connecting end connecting members for the top and bottom covers are arranged by positioning the top cover connecting block above the top cover, the bottom cover connecting block below the bottom cover, and the intermediate connecting block between the connecting end insertion holes of the top cover and bottom cover, and are further fixed by inserting a fixed connecting rod through the top cover connecting block hole, the top cover connecting end insertion hole, the intermediate connecting block hole, the bottom cover connecting end insertion hole, and the bottom cover connecting block hole.

[0013] The movable end connecting members for the top and bottom lids are arranged such that the top lid movable block is positioned above the top lid, the bottom lid movable block is positioned below the bottom lid, and the intermediate movable block is positioned between the movable end insertion holes of the top lid and bottom lid, and the top lid movable block, intermediate movable block and bottom lid movable block are each provided with a drilling hole and a pin hole, and fixed connecting rods are inserted into the top lid movable block drilling hole, top lid movable end insertion hole, intermediate movable block drilling hole, bottom lid movable end insertion hole and the movable block drilling in the bottom lid. The top cover movable block pin hole, top cover pin hole, middle movable block pin hole, bottom cover pin hole and bottom cover movable block pin hole are fixed by drilling safety pins into these pin holes. The top cover movable block, middle movable block and bottom cover movable block at the movable ends are provided with interlocking structures at the safety pin ends, so that the top cover movable block, middle movable block and bottom cover movable block can be opened and closed simultaneously.

[0014] The open-close nut structure can be deployed by removing the three safety pins, namely the two safety pins of the arc-shaped cover clip and the safety pins of the movable end coupling members for the upper and lower covers, and the open-close nut structure is coupled to the descending screw rod while opening to a predetermined angle, and after coupling is completed, the arc-shaped cover clip is fitted onto the coupling disk of the load nut rotor to couple, and the safety pins are inserted and fixed after adjusting to the closed position. At the same time, the movable end coupling members of the upper and lower covers are pushed back to the closed position, and then both are fixed with the safety pins.

[0015] As a result, the female thread on the inner circumference of the descent open / close nut structure can be screwed into the male thread of the descent screw rod, and a gentle descent is achieved as if the rod slides down while rotating. When descending gently, the weight of the evacuating person is transferred evenly from the descent hook of the evacuation equipment to the top cover lock ring, and then to the load disc of the load nut rotor via the top cover restraint roller. The top cover restraint roller continuously presses downward against the annular guide groove of the load disc, causing the load nut rotor to rotate as it descends under the load. However, the top and bottom covers are in contact with the load disc via multiple outer peripheral restraint rollers, inner peripheral restraint rollers, and intermediate restraint rollers, and these roll within the concentric outer peripheral guide groove, inner peripheral guide groove, and intermediate guide groove, so no rotation is transmitted to the top and bottom covers. Furthermore, the multiple support columns fix the upper cover and the lower cover together, improving the resistance to deformation. By inserting and removing the safety pin, the opening and closing nut structure for descent can be deployed and set on the descent screw rod, and then closed and fixed, so that the opening and closing nut structure for descent can be set at any desired height on the descent screw rod, and personnel evacuating can be safely suspended and descended by the descent type evacuation device no matter how high the floor they are on.

[0016] In a preferred embodiment of the present invention, an evacuation garment, such as an evacuation vest, is attached to a plurality of hanging rings on the top and bottom covers.

[0017] In a preferred embodiment of the present invention, the drop thread can be formed to any length by threaded rod splicing techniques. Concentric holes are provided on the cross sections of both ends of the descent screw rods to be connected to form storage spaces for the connecting columns, and the solid round rods of the corresponding connecting columns are inserted into these storage spaces to connect the upper and lower two tiers of descent screw rods. In order to accurately align the male threads of the descent screw rods with the female threads of the load nut rotor, thread positioning holes are provided at positions where the two threads of the descent screw rod cross sections face each other. Furthermore, by precisely aligning the upper and lower two tiers of descent screw rods using corresponding positioning columns, the load nut rotor can move smoothly along the connected descent screw rods. Further, the optimized thread design to achieve a stable and safe gentle descent speed can be adjusted according to the type of thread profile, process, thread distance, surface roughness, etc.

[0018] The present invention makes it possible for people on different floors to be evacuated at the same time, by providing nut stopper insertion holes at the positions of the screw rods corresponding to each floor so that the open-close nut structure for descent set on the descent screw rod can be stopped at that floor by the nut stopper, so that people on different floors who are evacuating can attach the open-close nut structure for descent directly to the descent screw rod, allowing them to evacuate quickly.

[0019] In addition to providing upper and lower base seats at both ends of the top and bottom of the descending screw rod to fix it to the top and ground level of the building, a number of one-way opening and closing elastic U-shaped clips are provided according to the height of the floors to engage with the descending screw rod and stabilize it. Under normal conditions, the one-way opening and closing elastic U-shaped clips hold the descending screw rod, and when a person slides down, the one-way opening and closing elastic U-shaped clips bend under the force of the load and detach from the descending screw rod, and after the person has passed through, the one-way opening and closing elastic U-shaped clips return to their original position due to their elasticity, keeping the descending screw rod stable. In the normal state, the one-way open / close elastic U-shaped clip is installed in multiple directions perpendicular to the descending screw rod, for example, the one-way open / close elastic U-shaped clip is installed perpendicular to the wall or parallel to the wall in the left and right directions (see Figure 8). Effect of the Invention

[0020] After the evacuation personnel prepare to descend, they pull out the nut stopper pin and begin descending. When descending, people on different floors can set their own opening and closing nut structures for descent directly onto the descent screw rod, and when there is a traffic jam, they can slow down or stop by holding the descent screw rod below the load nut rotor with both hands while hanging from the evacuation equipment, or they can use both feet to step onto the opening and closing nut structure below to avoid collisions and descend after the traffic jam has cleared (see Figure 8). The descent speed is affected by the hard parameters, and the person evacuating in this way can adjust it themselves if necessary, for example by gripping the descent screw rod with their hands or pinching the descent screw rod with their feet to increase the friction. [Brief description of the drawings]

[0021] [Figure 1] FIG. 2 is an exploded view of the present invention. [Diagram 2] FIG. [Diagram 3] FIG. 2 is a cross-sectional view of the movable end coupling member of the present invention. [Figure 4] 11A to 11C are diagrams showing the operation of deploying the opening and closing nut structure for descent of the present invention. [Diagram 5] 11A and 11B are diagrams showing the operation of the descent open / close nut structure of the present invention embracing the descent screw rod. [Figure 6] 11A to 11C are diagrams showing the opening and closing operations of the arc-shaped cover clip of the present invention. [Figure 7] 11A to 11C are diagrams showing the opening and closing operations of the arc-shaped cover clip of the present invention. [Figure 8] FIG. 2 illustrates the gradual descent of evacuating personnel according to the present invention. [Figure 9] FIG. 13 shows the drop screw rod of the present invention joining together. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] An embodiment of the present invention will now be described with reference to FIGS. It should be noted that the specific structures and shapes illustrated in the following embodiments are intended to facilitate understanding of the present invention and are not intended to limit the scope of the invention as a technical concept. EXAMPLES

[0023] First, please refer to FIG. FIG. 1 is an exploded view of a descending type evacuation apparatus 100 for high-rise buildings according to the present invention. A descent-type evacuation device 100 for high-rise floors comprises a descent screw rod 10 having a male thread 11 on its outer periphery, and a descent open-close nut structure 20 in which the male thread 11 of the descent screw rod 10 is screwed into a female thread 41 at the center provided corresponding to the male thread 11, thereby achieving a gentle descent by sliding down while rotating. The descent screw rod 10 is provided with a nut stopper pin 15 that prevents the descent open / close nut structure 20 from descending when not needed.

[0024] The drop open / close nut structure 20 includes an upper cover 30, a load nut rotor 40, a lower cover 50, a coupling end coupling member 60 and a movable end coupling member 70. The load nut rotor 40 is sandwiched between the upper cover 30 and the lower cover 50. The load nut rotor 40 has a female thread 41 in its central bore that corresponds to the male thread 11 on the outer periphery of the descent screw rod 10, and in order to set the descent screw rod, it is divided in two from the center to form a cut groove cross section 401 of the load nut rotor 40. A load disk 42 is provided at the upper end of the load nut rotor 40, a coupling disk 43 is provided at the lower end, and a pair of arc-shaped cover-type clips 45 are provided to fit over the coupling disk 43. The load disc 42 has an outer circumferential guide groove 421 and an inner circumferential guide groove 422 which are concentric on its upper flat surface, and a similarly concentric intermediate guide groove 423 which is concentric on its lower flat surface. The connecting disk 43 has a shaft rod connecting hole 431 and a safety pin connecting hole 432 on both sides of the cut groove cross section 401 of the load nut rotor 40, and the shaft rod 44 is inserted into the shaft rod connecting hole 431 of the connecting disk 43 and a safety pin 46 is inserted into the safety pin connecting hole 432, thereby achieving the function of connecting the divided load nut rotor 40 via a pair of arc-shaped cover-type clips 45 (see the cross-sectional view in Figure 2).

[0025] The arc-shaped cover clip 45 is provided with a shaft hole 451 and a safety pin hole 452, and the shaft 44 is drilled into the shaft hole 451 and the shaft connecting hole 431 of the connecting disk 43, so that the shaft 44 serves as the rotation axis when the arc-shaped cover clip 45 is opened or closed. A positioning steel ball 461 is provided at the top end of the safety pin 46, and a control button 462 is provided at the bottom end. The safety pin 46 is inserted from the bottom of the connecting disc 43 upward into the safety pin drilling hole 452 of the arc-shaped cover clip 45 and the safety pin connecting hole 432 of the connecting disc 43, and then the positioning steel ball 461 is engaged with the arc-shaped cover clip 45 to be positioned.

[0026] After removing the safety pin 46, the arc-shaped cover clip 45 is deployed outward to open the load nut rotor 40, with its cut groove cross-section 401 deployed at a predetermined angle to accommodate and set the descent screw rod 10, and after the load nut rotor 40 clamps the descent screw rod 10, the cut groove cross-section 401 of the load nut rotor and the arc-shaped cover clip 45 are closed, the safety pin 46 is returned to its original position, and the female thread 41 of the entire descent open-close nut structure 20 is firmly screwed into the male thread 11 of the descent screw rod 10.

[0027] A hole 31 for inserting the descending screw rod 10 is provided in the center of the top cover 30, and the top cover 30 is divided in two equal parts from the center of the hole 31 to form a symmetrical sheet body portion and a cut groove cross-section 32 of the top cover. Connecting end insertion holes 33 are provided on both the left and right sides of the outer edge cut groove cross-section 32 of the top cover 30, and correspondingly, a movable end insertion hole 34 and a top cover pin hole 35 are provided on the opposite side. A plurality of hanging rings 36 are provided on the outer edge of the top lid 30 for hanging the evacuation equipment 95, and a plurality of insertion holes 37, 57 are provided in the top lid 30 and the bottom lid 50 correspondingly for inserting reinforcing support pillars 38, which connect the top lid and the bottom lid. A plurality of outer circumferential restraining rollers 301 and a plurality of inner circumferential restraining rollers 302 are provided on the lower flat surface of the upper cover 30.

[0028] A hole 51 for inserting the descending screw rod 10 is provided in the center of the bottom cover 50, and the bottom cover 50 is divided into two equal parts from the center of the hole 51 to form a sheet body portion and a cut groove cross section 52 of the bottom cover that are symmetrical to each other. A coupling end insertion hole 53 is provided on both the left and right sides of the cut groove cross section 52 on the outer edge of the bottom cover 50, and a movable end insertion hole 54 and a bottom cover pin hole 55 are provided correspondingly on the opposite side. A plurality of insertion holes 57 into which reinforcing support columns 38 are inserted are provided in the lower cover 50 corresponding to the upper cover 30, and a plurality of intermediate holding rollers 501 are provided on the upper flat surface of the lower cover 50. In addition, a plurality of hanging rings 56 are provided on the outer edge of the lower cover 50 for hanging the evacuation wearable equipment 95.

[0029] The connecting end connecting member 60 for the top cover 30 and the bottom cover 50 comprises an top cover connecting block 61 , a bottom cover connecting block 63 , an intermediate connecting block 65 and a fixed connecting rod 80 . The upper cover joining block 61 is provided with an upper cover joining block hole 62, the lower cover joining block 63 is provided with a lower cover joining block hole 64, and the intermediate joining block 65 is provided with an intermediate joining block hole 66 correspondingly. The top cover connecting block 61 is positioned above the top cover 30, the bottom cover connecting block 63 is positioned below the bottom cover 50, and the intermediate connecting block 65 is positioned between the top cover 30 and the bottom cover 50, and they are fixed by inserting a fixed connecting rod 80 through the top cover connecting block hole 62, the top cover connecting end insertion hole 33, the intermediate connecting block hole 66, the bottom cover connecting end insertion hole 53, and the bottom cover connecting block hole 64 (see Figure 2).

[0030] A plurality of outer circumferential restraining rollers 301, a plurality of inner circumferential restraining rollers 302, and a plurality of intermediate restraining rollers 501 clamp the load disc 42 of the load nut rotor 40 between the upper cover 30 and the lower cover 50, with the plurality of outer circumferential restraining rollers 301 contacting the outer circumferential guide groove 421 of the load disc 42, the plurality of inner circumferential restraining rollers 302 contacting the inner circumferential guide groove 422 of the load disc 42, and the plurality of intermediate restraining rollers 501 contacting the intermediate guide groove 423 of the load disc 42, thereby clamping the load disc 42 at three points: inside, outside, and inside.

[0031] The movable end connecting member 70 for the top cover 30 and the bottom cover 50 comprises a top cover movable block 71 , a bottom cover movable block 74 , a middle movable block 77 , a fixed connecting rod 85 and a safety pin 90 . A positioning steel ball 91 is provided at the bottom end of the safety pin 90, the top lid movable block 71 is provided with an top lid interlocking block 711 for positioning, and is provided with an top lid movable block perforation 72 and an top lid movable block pin hole 73, the bottom lid movable block 74 is provided with a bottom lid interlocking block 741 for positioning, and is provided with a bottom lid movable block perforation 75 and a bottom lid movable block pin hole 76, and the intermediate movable block 77 is provided with an intermediate movable block perforation 78 and an intermediate movable block pin hole 79, so that the top lid movable block 71 is positioned above the top lid 30, the bottom lid movable block 74 is positioned below the bottom lid 50, and the intermediate movable block 77 is positioned between the top lid 30 and the bottom lid 50.

[0032] As shown in Figures 1 to 7, one end of the movable end connecting member 70 is fixed by inserting a fixed connecting rod 85 through the upper cover movable block hole 72, the movable end insertion hole 34 of the upper cover 30, the intermediate movable block hole 78, the movable end insertion hole 54 of the lower cover 50, and the lower cover movable block hole 75 of the lower cover movable block 74. The other end of the movable end connecting member 70 is fixed by inserting a safety pin 90 into the top lid movable block pin hole 73, the top lid pin hole 35, the intermediate movable block pin hole 79, the bottom lid pin hole 55 and the bottom lid movable block pin hole 76, so that the positioning steel ball 91 at the bottom end of the safety pin 90 passes over the bottom lid movable block pin hole 76. When the safety pin 90 is not subjected to an external force, it will not come out of the pin hole due to the restriction of the positioning steel ball 91, but when it is desired to pull out the safety pin 90, by applying force and pulling the safety pin 90 upward, the positioning steel ball 91 is pushed into the inside of the safety pin 90 by the force received, and the safety pin 90 is smoothly pulled out along the direction of the pin hole.

[0033] The upper cover interlocking block 711 is soldered to the outer edge of the upper flat surface of the intermediate movable block 77, and the lower cover interlocking block 741 is soldered to the outer edge of the lower flat surface of the intermediate movable block 77, so that the upper cover movable block 71, the lower cover movable block 74, and the intermediate movable block 77 can be opened and closed as a unit (see FIG. 3).

[0034] The connecting disk 43 has a shaft rod connecting hole 431 and a safety pin connecting hole 432 on both sides of the cut groove cross section 401 of the load nut rotor 40, and is fitted over the connecting disk 43, which is formed by dividing the arc-shaped cover-type clip 45 into two equal parts, to firmly attach the load nut rotor 40. The movable pin 46 is inserted into the safety pin hole 452 to integrate the load nut rotor 40, and the load nut rotor 40 can be opened and closed as desired by inserting and removing the movable pin 46 (see Figures 1, 6 and 7).

[0035] The two safety pins 46 and 90 are pulled out to unfold the descent opening and closing nut structure 20, and after the descent opening and closing nut structure 20 opens to a predetermined angle, it is connected to the descent screw rod 10. After the connection is completed, the movable end connecting member 70 is pushed back to its original position to close it, and then fixed by the safety pin 90.

[0036] As shown in FIG. 8, the top and bottom ends of the drop screw 10 are fixed by a threaded rod top seat 97 and a threaded rod base seat 98, and a plurality of unidirectional open / close elastic U-shaped clips 96 are spaced apart to stabilize the drop screw 10. The one-way opening and closing elastic U-shaped clip 96 holds the descending screw rod 10 in the normal state, and when an evacuating person slides down, the one-way opening and closing elastic U-shaped clip 96 is subjected to a force and bends downward and separates from the descending screw rod 10, and after the evacuating person has passed through, it returns to its original position due to the elastic action, thereby maintaining the stability of the descending screw rod 10. In the normal state, the one-way opening and closing elastic U-shaped clips 96 are installed perpendicular to the descending screw rod 10 and alternately in different directions. For example, the one-way opening and closing elastic U-shaped clips 96 are installed perpendicular to the wall of the building, or arranged parallel to the wall in the left and right directions.

[0037] As shown in FIG. 9, the descending screw rods 10 can be combined into descending screw rods 10 of any length by joining techniques to be used on higher floors with different floor levels. Concentric holes 16 are provided on the cross sections of both ends of the descending screw rods 10 to be joined to form storage spaces for the joining columns 17, and the upper and lower two tiers of descending screw rods 10 are joined together by inserting the solid round rods of the corresponding joining columns 17 into the storage spaces. In addition, in order to precisely align the male threads 11 of the descending screw rods 10, positioning holes 18 for the threads are provided at the cross sections of both ends of the descending screw rods 10 where the threads face each other, and the corresponding positioning columns 19 are used to precisely align the upper and lower two tiers of descending screw rods 10. The load nut rotor 40 can move smoothly to all the joined descending screw rods 10.

[0038] As a result, when the descent-type evacuation device 100 for high-rise floors of the present invention loads evacuating personnel by suspending evacuation equipment 95 from the hanging rings 36, 56 on the upper cover 30 and lower cover 50, the descent screw rod 10 is set and fixed in the center of the descent opening and closing nut structure 20, and a gentle descent is achieved by sliding down while rotating along the male thread 11. During a gradual descent, the rotation of the load nut rotor 40 causes the multiple outer peripheral restraint rollers 301, inner peripheral restraint rollers 302, and intermediate restraint rollers 501 at fixed positions on the top cover 30 and bottom cover 50 to roll while being guided along the outer peripheral guide groove 421, inner peripheral guide groove 422, and intermediate guide groove 423, respectively, and the rotation of the load nut rotor 40 is not transmitted to the top cover 30 and bottom cover 50.As a result, the rotation of the descending personnel is not linked using the evacuation equipment 95 hung from the hanging rings 36, 56 on the top cover 30 and bottom cover 50, and the person can descend stably to the ground. Multiple support pillars 38 fix the distance between the upper cover 30 and the lower cover 50 to improve deformation strength, the arc-shaped cover clip 45 strictly restricts the opening and closing of the load nut rotor 40, and safety pins 46, 90 control the opening and closing of the load nut rotor 40, the upper cover 30, and the lower cover 50, allowing the descending type evacuation device 100 on high floors to stably suspend and descend evacuating personnel.

[0039] The nut stopper pin 15 prevents the descent open / close type nut structure 20 from descending. When in use, the nut stopper pin 15 is removed, and the opening and closing nut structure for descent 20 slides down while rotating due to its male thread 11, thereby achieving a gentle descent. The hanging rings 36, 56 on the upper cover 30 and the lower cover 50 are used to hang an evacuation equipment 95, which may be, for example, an evacuation vest.

[0040] By providing a fixed pulley 102 at an evacuation exit on a high floor and providing a fire rope 103 for retrieving the opening and closing nut structure for descent 20 between the fixed pulley and the descent position along the descent screw rod of the descent type evacuation device 100, the opening and closing nut structure for descent 20 and the evacuation vest 95 after descent can be manually passed to the floor where they are needed by the fixed pulley 102 and the fire rope 103 and used repeatedly.

[0041] The above description is a better embodiment of the present invention, and does not limit the scope of the claims of the present invention. Furthermore, any technical modifications based on what is disclosed in the specification and drawings of the present invention should fall within the scope of protection of the present invention. [Explanation of symbols]

[0042] 100. High-rise floor descending evacuation device 10 Lowering screw rod 11 Male thread 15 Nut stopper pin 16 concentric holes 17 Jointed Column 18 Positioning hole 19 Positioning pillar 20 Opening and closing nut structure for lowering 30 Top lid 301 Multiple outer circumference holding rollers 302 Multiple inner circumference holding rollers 31 Perforation 32 Section of cut groove in top cover 33 Connection end insertion hole 34 Movable end insertion hole 35 Top cover pin hole 36 Multiple Hanging Rings 37 Multiple insertion holes in support columns 38 Support pillar 40 Load Nut Rotor 401 Cross section of the cut groove of the load nut rotor 41 Female thread 42 Loading disc 421 Outer periphery guide groove 422 Inner guide groove 423 Intermediate guide groove 43 Combined Disk 431 Axial rod connection hole 432 Safety pin connection hole 44 shaft rod 45 Arc-shaped cover clip 451 Axial rod drilling 452 Safety pin piercing 46, 90 Safety pin 461, 91 Positioning steel ball 462, 92 Control button 50 Lower lid 501 Multiple intermediate holding rollers 51 Perforation 52 Section of the cut groove in the bottom cover 53 Connection end insertion hole 54 Movable end insertion hole 55 Bottom cover pin hole 56 Multiple Hanging Rings 57 Multiple insertion holes in support columns 60 Connection end connecting member 61 Top cover connection block 62 Top cover connecting block drilling 63 Lower cover connection block 64 Bottom cover connecting block drilling 65 Intermediate joint block 66 Intermediate joint block drilling 70 Movable end connecting member 71 Upper lid movable block 711 Top cover interlocking block 72 Upper cover movable block drilling 73 Upper cover movable block pin hole 74 Lower cover movable block 741 Lower cover interlocking block 75 Lower cover movable block drilling 76 Lower cover movable block pin hole 77 Intermediate Movable Block 78 Intermediate Movable Block Drilling 79 Intermediate movable block pin hole 80, 85 fixed connecting rod 95 Evacuation equipment 96 One-way opening and closing elastic U-shaped clip 97 Threaded rod top seat 98 Threaded rod base seat 99 Base material cushioning sheet 102 Fixed pulley 103 Fire Rope

Claims

1. A descending type evacuation device for evacuation from a high floor, A descending screw rod having a male screw on its outer periphery and a nut stopper pin on its side, and an open / close nut structure for descending having a female screw on its inner periphery that screws into the male screw of the descending screw rod, The opening and closing nut structure for descent includes an upper cover, a load nut rotor, a lower cover, a connecting end connecting member and a movable end connecting member; The load nut rotor is disposed between the upper cover and the lower cover, and a female thread that is screwed with a male thread of the descending screw rod is provided on the inner circumference of the load nut rotor; The load nut rotor is divided into two equal parts through a cut groove cross section from the center, A load disk is provided at the upper end of the load nut rotor, a coupling disk is provided at the lower end, an outer peripheral guide groove and an inner peripheral guide groove are concentrically provided on the upper flat surface of the load disk, and an intermediate guide groove is also concentrically provided on the lower flat surface of the load disk, The coupling disk is provided with a shaft rod coupling hole and a safety pin coupling hole on both sides of the cut groove cross section of the load nut rotor, and is provided with a pair of arc-shaped cover-type clips that are fitted across both sides of the cut groove cross section, and the shaft rod and the safety pin are inserted and fixed through the arc-shaped cover-type clips into the shaft rod coupling hole and the safety pin coupling hole, respectively; The upper cover is a symmetrical sheet body having a hole in the center through which the descending screw rod is inserted, and is divided into two equal parts from the center of the hole through a cut groove cross section. A coupling end insertion hole is provided on both the left and right sides of the cut groove cross section of the outer edge of the upper cover, and a movable end insertion hole and an upper cover pin hole are provided on both sides of the cut groove cross section of the other outer edge. Support columns are inserted into a plurality of insertion holes provided in the upper cover and the lower cover to reinforce the connection between the two covers, A plurality of outer peripheral restraining rollers and a plurality of inner peripheral restraining rollers are provided on the lower flat surface of the upper cover, The lower cover is a sheet body symmetrical with respect to a cut groove cross section divided into two equal parts by a hole in the center for inserting a descending screw rod, and a coupling end insertion hole is provided on both the left and right sides of the cut groove cross section of the outer edge of the lower cover, and a movable end insertion hole and a lower cover pin hole are provided on both sides of the cut groove cross section of the other outer edge, A plurality of intermediate holding rollers are provided on the upper surface of the lower cover, The connecting end connecting member includes an upper cover connecting block, a lower cover connecting block, an intermediate connecting block, and a fixed connecting rod; The upper cover joining block is provided with an upper cover joining block hole, the lower cover joining block is provided with a lower cover joining block hole, and the intermediate joining block is provided with an intermediate joining block hole; the upper cover connecting block is disposed above the upper cover, the lower cover connecting block is disposed below the lower cover, and the intermediate connecting block is disposed between the connecting end insertion holes of the upper cover and the lower cover, The fixed connecting rod is inserted through the upper cover connecting block hole, the upper cover connecting end insertion hole, the intermediate connecting block hole, the lower cover connecting end insertion hole, and the lower cover connecting block hole to be rotatably fixed around the fixed connecting rod as an axis; The movable end coupling member includes an upper cover movable block, a lower cover movable block, a middle movable block, a fixed connecting rod and a safety pin; The bottom end of the safety pin is provided with a positioning steel ball, the top end of the safety pin is provided with a control button, and the top cover movable block is provided with a top cover interlocking block, a top cover movable block hole and a top cover movable block pin hole; The lower cover movable block is provided with a lower cover interlocking block, a lower cover movable block hole and a lower cover movable block pin hole, The intermediate movable block is provided with an intermediate movable block bore and an intermediate movable block pin hole, the upper cover movable block is disposed above the upper cover, the lower cover movable block is disposed below the lower cover, and the intermediate movable block is disposed between the upper cover and the lower cover, The fixed connecting rod is inserted into the upper cover movable block hole, the upper cover movable end insertion hole, the intermediate movable block hole, the lower cover movable end insertion hole, and the lower cover movable block hole to be rotatably fixed around the fixed connecting rod as an axis; The safety pin is inserted into the upper cover movable block pin hole, the upper cover pin hole, the intermediate movable block pin hole, the lower cover pin hole, and the lower cover movable block pin hole, and fixed; The opening and closing nut structure for descent can be expanded by inserting and removing these safety pins, so that it can be set at any height position relative to the descent screw rod. A plurality of hanging rings for attaching evacuation equipment to the outer edges of the upper cover and the lower cover are provided. A descending type evacuation device for high-rise floors.

2. The movable end coupling member has one end fixed by inserting the fixed connecting rod through the upper cover movable block bore, the upper cover movable end insertion hole, the intermediate movable block bore, the lower cover movable end insertion hole and the lower cover movable block bore; The other end of the safety pin is inserted into the upper cover movable block pin hole, the upper cover pin hole, the intermediate movable block pin hole, the lower cover pin hole and the lower cover movable block pin hole, so that the positioning steel ball at the bottom end of the safety pin is fixed beyond the lower cover movable block pin hole; When the safety pin is not subjected to an external force, the positioning steel ball prevents the safety pin from coming out of the pin hole. When the safety pin is pulled out, the positioning steel ball is pushed into the safety pin and the safety pin is pulled out. The upper cover interlocking block is soldered to the outer edge of the upper flat surface of the intermediate movable block, and the lower cover interlocking block is soldered to the outer edge of the lower flat surface of the intermediate movable block, thereby making it possible to simultaneously open and close the upper cover movable block, the lower cover movable block, and the intermediate movable block.

2. A descending type evacuation device for high-rise buildings according to claim 1.

3. 2. A descending-type evacuation device for high-rise buildings as claimed in claim 1, characterized in that the nut stopper pin is inserted into the descending screw rod to stop the openable and closable nut structure before the descent preparation operation of setting it on the descent screw rod is completed.

4. A descent-type evacuation device for high-rise floors as described in claim 1, characterized in that the connecting disk has an axial rod connecting hole and a safety pin connecting hole on both sides of the cut groove cross section of the load nut rotor, and a pair of arc-shaped cover-type clips are fitted onto the connecting disk to connect and secure the two halves of the load nut rotor, and a safety pin is inserted and removed into the safety pin connecting hole to connect and secure the load nut rotor, making it possible to open and close the load nut rotor.

5. When the load nut rotor rotates and descends along the descending screw rod, A plurality of outer peripheral restraining rollers and inner peripheral restraining rollers at the fixed position of the upper cover are fitted into the outer peripheral guide groove and the inner peripheral guide groove, which are concentrically arranged on the upper flat surface of the load disk of the load nut rotor. In addition, the intermediate restraining rollers provided at the fixed positions of the lower cover roll while being guided in the concentric intermediate guide grooves provided on the lower flat surface of the load disk of the load nut rotor, 2. A descending type evacuation device for high-rise buildings according to claim 1, characterized in that said upper lid and said lower lid are not linked to each other by transmitting rotation therebetween, thereby enabling safe descent.

6. A descent-type evacuation device for high-rise floors as described in claim 1, characterized in that a fixed pulley is provided near the top of the descent screw rod of the descent-type evacuation device, and a fire rope for retrieving the descent opening and closing nut structure is provided between the descent position and the fixed pulley, so that the descent opening and closing nut structure can be retrieved at any floor position by manually operating the fire rope and used repeatedly.

7. A descent-type evacuation device for high-rise floors as described in claim 1, characterized in that in order to connect the descent screw rods together and make the length adjustable, a concentric hole is provided in the cross-section of the descent screw rods to be connected to insert a solid connecting column, and a positioning hole is provided in which a positioning column is inserted so that the cross-section of the descent screw rods to be connected and the screw threads are positioned opposite each other, thereby making it possible to change the height according to the height of the floor.

8. The descending screw rod is provided with a plurality of unidirectional open / close elastic U-shaped clips that embrace and support the screw rod, and are provided at intervals in a direction perpendicular to or parallel to the wall surface, A descending-type evacuation device for high-rise buildings as claimed in claim 1, characterized in that when the opening and closing nut structure passes through the descending screw rod, the unidirectional opening and closing elastic U-shaped clip detaches from the descending screw rod and returns to its original position by elastic force after the passage.

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