A life-saving escape lock

Abstract

The invention discloses a lifesaving escape lock, which comprises a left bottom plate and a right bottom plate, on which inclined cylinders are symmetrically arranged, the inner sides of the two cylinders are symmetrically provided with connecting grooves, and the middle parts of the front and rear sides of the two cylinders are provided with through grooves, a pin shaft passes through a ball arranged in the corresponding cylinder respectively, and its two ends are respectively arranged on the outsides of the two through grooves, and the two ends of the pin shaft on the outside of the through groove are respectively connected with one end of a connecting rod, and the other end is connected to the through hole of the handle on the outer support of the cylinder, and a concave annular groove is provided on the outer circumference of each of the spheres, and the cylindrical through grooves after the left bottom plate and the right bottom plate are plugged and locked form a clamping channel, one end of an escape rope is fixed to the upper part of the building, and its free end passes through the clamping channel, and the escape rope is locked by the concave annular grooves of the two spheres and the inner walls of the inclined hollow cavities of the two cylinders; the above structure is adopted to achieve the effects of simple structure, easy control, convenient operation and smooth, safe and rapid escape from dangerous places.

Description

Technical Field

[0001] The invention relates to an escape tool for a high-rise residential building, in particular to a lifesaving escape lock. Background Art

[0002] With the continuous development of economy and technology, the number of high-rise buildings in my country is increasing day by day, especially in cities, where the density of high-rise buildings is increasing. However, with the increasing number of high-rise buildings, the problem of how to take emergency escape in high-rise buildings in case of fire and other emergencies has arisen. Therefore, the problem of how to escape from high-rise buildings has attracted more and more attention and attention. At present, various escape devices have appeared, but some of them have problems such as unsmooth descent speed and inability to control the speed of descent. Because fire often has a harmful effect on people in an instant, how to escape from the fire scene smoothly, safely and quickly is the most urgent problem to be solved by high-rise escape devices. Summary of the invention

[0003] The purpose of the present invention is to provide a life-saving escape lock which has a simple structure, is easy to control, is convenient to use and operate, and can smoothly, safely and quickly escape from dangerous places.

[0004] The technical solution of the present invention is a life-saving escape lock, characterized in that: it comprises a left bottom plate 1 and a right bottom plate 2, on which a hollow cylinder with an upper portion inclined toward a center line is symmetrically arranged, the inner sides of the two cylinders are symmetrically provided with connecting grooves connected from top to bottom and parallel to the axes of the corresponding cylinders, and the middle parts of the front and rear sides of the two cylinders are provided with through grooves parallel to the axes of the corresponding cylinders, a pin shaft passes through a sphere arranged in the corresponding cylinder, and its two ends are respectively arranged on the outside of the two through grooves, and the two ends of each pin shaft respectively arranged on the outside of the through groove are respectively connected to one end of a connecting rod, and the two sides of each cylinder are respectively provided with a connecting groove. The lower part is respectively provided with a support, and each of the supports is hinged with a handle with a through hole on the upper part, and the through hole of each corresponding handle is connected to the other end of the corresponding two connecting rods through a pin shaft; a concave annular groove is respectively provided on the outer circumference of each sphere and perpendicular to the corresponding pin shaft, and the left bottom plate and the right bottom plate are locked by a self-locking device after being plugged into and matched, and the cylindrical through groove after plugging and locking forms a clamping channel, one end of an escape rope is fixed to the upper part of the building and its free end passes through the clamping channel, and the escape rope is locked by the concave annular grooves of the two spheres and the inner walls of the inclined hollow cavities of the two cylinders.

[0005] The technical solution of the present invention can also be that one side of the left bottom plate 1 is provided with a first through groove 20, one side of the right bottom plate 2 is provided with a second through groove 21, the lower part of the left bottom plate 1 is provided with an anti-detachment hook 16, the two cylinders are a left cylinder 3 and a right cylinder 4, the two connecting grooves are a first connecting groove 24 and a second connecting groove 25, the two through grooves are a third through groove 13 and a fourth through groove 14, the connecting rods are a left connecting rod 9 and a right connecting rod 10, the supports are a left support 5 and a right support 6, the handles are a left handle 7 and a right handle 8, a hollow left cylinder 3 tilted to the right is fixed to the upper part of the left bottom plate 1, and the right side of the left cylinder 3 is provided with a first connecting rod connected from top to bottom and parallel to the axis of the left cylinder 3 A through slot 24 is provided in the middle of the front and rear sides of the left cylinder 3 and is parallel to the axis of the left cylinder 3. A pin passes through a first sphere 11 arranged in the left cylinder 3 and its two ends are arranged on the outside of the two third through slots 13. A first concave annular groove 26 is provided on the outer circumference of the first sphere 11 and perpendicular to the pin. The two ends of the pin arranged on the outside of the third through slot 13 are respectively connected to one end of a left connecting rod 9. A left support 5 is provided at the lower left side of the left cylinder 3. A left handle 7 with a through hole on the upper part is hinged on the left support 5. The through hole of the left handle 7 is respectively connected to the other end of the two left connecting rods 9 through a pin; a A hollow right cylinder 4 tilted to the left, a second connecting groove 25 connected from top to bottom and parallel to the axis of the right cylinder 4 is provided on the left side of the right cylinder 4, a fourth through groove 14 parallel to the axis of the right cylinder 4 is provided in the middle of the front and rear sides of the right cylinder 4, a pin passes through a second sphere 12 arranged in the right cylinder 4, and its two ends are arranged on the outside of the two fourth through grooves 14, a second concave annular groove 27 is provided on the outer circumference of the second sphere 12 and perpendicular to the pin, and the two ends of the pin arranged on the outside of the fourth through groove 14 are respectively connected to one end of a right connecting rod 10, and a right support 6 is provided at the lower right side of the right cylinder 4, and an upper A right handle 8 with a through hole is provided at the bottom, and the through hole of the right handle 8 is connected to the other end of the two right connecting rods 10 respectively through a pin shaft; the left bottom plate 1 and the right bottom plate 2 are plugged and matched and locked by a self-locking device, the upper first connecting groove 24 of the left cylinder 3 is in contact with the upper second connecting groove 25 of the right cylinder 4, the first through groove 20 and the second through groove 21 partially overlap and form a clamping channel, one end of an escape rope 15 is fixed to the upper part of the building and its free end passes through the clamping channel, and the escape rope 15 is locked with the inner wall of the inclined hollow cavity of the left cylinder 3 and the right cylinder 4 by the first concave annular groove 26 of the first sphere 11 and the second concave annular groove 27 of the second sphere 12.

[0006] The technical solution of the present invention can also be that a third sphere 19 is respectively provided in the hollow cavity of the left cylinder 3 and in the lower part of the first sphere 11 and in the hollow cavity of the right cylinder 4 and in the lower part of the second sphere 12.

[0007] The technical solution of the present invention can also be that the left bottom plate 1 and the right bottom plate 2 are plugged together by providing a U-shaped slide rail 22 on the upper part of the left bottom plate 1 and on the front and rear sides of the first through groove 20, and providing a slider 23 slidably connected to the slide rail on the upper part of the right bottom plate 2 and on the front and rear sides of the second through groove 21.

[0008] The technical solution of the present invention can also be that the self-locking device after the left bottom plate 1 and the right bottom plate 2 are plugged together includes racks arranged on the front and rear sides of the slide rail 22 and a self-locking pin arranged on the slider 23 and matched with the racks.

[0009] The technical solution of the present invention may also be that arc-shaped panels 17 are fixed to the outer walls of the front and rear sides of the left cylinder 3 .

[0010] The technical solution of the present invention can also be that elastic pressure plates 18 are respectively provided between the left outer wall of the left cylinder 3 and the outer wall of the left handle 7 and between the right outer wall of the right bottom plate 2 and the outer wall of the right handle 8.

[0011] The beneficial effect of the present invention is that a left bottom plate 1 and a right bottom plate 2 are provided, on which hollow cylinders inclined to the center line are symmetrically provided, and connecting grooves connected from top to bottom and parallel to the axes of the corresponding cylinders are symmetrically provided on the inner sides of the two cylinders, and through grooves parallel to the axes of the corresponding cylinders are provided in the middle of the front and rear sides of the two cylinders, and a pin shaft passes through the spheres provided in the corresponding cylinders, and its two ends are respectively provided on the outside of the two through grooves, and the two ends of each pin shaft respectively provided on the outside of the through grooves are respectively connected to one end of a connecting rod, and supports are respectively provided at the lower parts of the two sides of each cylinder, and each support is respectively hinged with a hand with a through hole on the upper part A handle, each corresponding handle through a pin in the through hole is respectively connected to the other end of the corresponding two connecting rods; a concave annular groove is respectively provided on the outer circumference of each sphere and perpendicular to the corresponding pin, and the left bottom plate and the right bottom plate are plugged and matched and locked by a self-locking device, and the cylindrical through groove after plugging and locking forms a clamping channel, one end of an escape rope is fixed to the upper part of the building and its free end passes through the clamping channel, and the escape rope is locked by the concave annular grooves of the two spheres and the inner walls of the inclined hollow cavities of the two cylinders; before use, one end of the escape rope is first fixed to a supporting point of the building, such as a drain pipe or a heating pipe, and the escape rope 1 5, the other end is led to the ground, and then the left bottom plate 1 is plugged and matched with the right bottom plate 2 and locked by the self-locking device. At this time, the escape rope is set in the clamping channel and is locked by the two concave ring grooves of the sphere and the inner walls of the inclined hollow cavities of the two cylinders. At this time, the life-saving escape lock stops at the locking position of the escape rope 15, and then a safety ring rope is hung on the anti-detachment hook. The escapee sits in the safety ring rope and places the life-saving escape lock on the chest. The escapee and the life-saving escape lock jointly generate downward gravity, and then the two spheres move upward along the two through grooves together, and the life-saving escape lock is further locked at the locking position of the escape rope through the two spheres. When the life-saving escape lock needs to move downward along the escape rope 15 When the escape rope 15 is displaced, the two handles are simultaneously applied with hands inwardly, and the two spheres are displaced downward along the two grooves together. As the external force applied to the two handles increases, the escape rope 15 gradually breaks away from the locking of the two spheres, and the lifesaving escape lock and the escapee are displaced downward along the escape rope 15 together. The greater the external force applied to the two handles, the faster the lifesaving escape lock and the escapee descend along the escape rope 15. When the lifesaving escape lock and the escapee need to stop at a certain point of the escape rope 15, it is only necessary to loosen the two handles, and under the action of gravity, the two spheres are displaced upward along the two grooves together to lock the escape rope 15. This achieves the effect of simple structure, easy control, convenient operation, and smooth, safe and rapid escape from dangerous places. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the internal structure of the present invention

[0013] Figure 2 yes Figure 1 Schematic diagram of the internal structure

[0014] Figure 3 yes Figure 1 Top view

[0015] Figure 4 yes Figure 1 Top view of the bottom left edge

[0016] Figure 5 yes Figure 1 Top view of the middle right bottom edge

[0017] Figure 6 yes Figure 1 Schematic diagram of the structure of the cylinder on the left

[0018] Figure 7 yes Figure 6 Right view

[0019] Figure 8 yes Figure 1 Schematic diagram of the structure of the cylinder on the right

[0020] Fig. 9 yes Figure 8 Left view

[0021] Figures 1 to 9 1. left bottom edge, 2. right bottom edge, 3. left cylinder, 4. right cylinder, 5. left support, 6. right support, 7. left handle, 8. right handle, 9. left connecting rod, 10. right connecting rod, 11. first sphere, 12. second sphere, 13. third through slot, 14. fourth through slot, 15. escape rope, 16. anti-unhooking, 17. curved panel, 18. elastic pressure plate, 19. third sphere, 20. first through slot, 21. second through slot, 22. slide rail, 23. slide block, 24. first connecting slot, 25. second connecting slot, 26. first concave annular groove, 27. second concave annular groove. DETAILED DESCRIPTION

[0022] according to Figures 1 to 9As shown, the present invention relates to a life-saving escape lock, which includes a left bottom plate 1 and a right bottom plate 2, on which hollow cylinders inclined to the center line are symmetrically arranged, and the inner sides of the two cylinders are symmetrically provided with connecting grooves connected from top to bottom and parallel to the axes of the corresponding cylinders, and the middle parts of the front and rear sides of the two cylinders are provided with through grooves parallel to the axes of the corresponding cylinders, and a pin shaft passes through the spheres arranged in the corresponding cylinders respectively, and its two ends are respectively arranged on the outsides of the two through grooves, and the two ends of each pin shaft respectively arranged on the outsides of the through grooves are respectively connected to one end of a connecting rod, and the lower parts of the two sides of each cylinder are respectively provided with supports, and each support is hinged respectively. A handle with a through hole on the upper part is connected, and each through hole of the corresponding handle is connected to the other end of the corresponding two connecting rods through a pin shaft; a concave annular groove is respectively provided on the outer circumference of each sphere and perpendicular to the corresponding pin shaft, and the left bottom plate and the right bottom plate are locked by a self-locking device after being plugged and matched, and the cylindrical through groove after plugging and locking forms a clamping channel, one end of an escape rope is fixed to the upper part of the building, and its free end passes through the clamping channel, and the escape rope is locked by the concave annular grooves of the two spheres and the inner wall of the inclined hollow cavity of the two cylinders; before use, one end of the escape rope is first fixed to a supporting point of the building, such as a drain pipe or The left bottom plate 1 is connected to the right bottom plate 2 and then locked by the self-locking device. At this time, the escape rope is set in the clamping channel and locked by the two concave ring grooves of the sphere. At this time, the life-saving escape lock stops at the locking position of the escape rope 15. Then a safety sleeve ring rope is hung on the anti-detachment hook. The escapee sits in the safety sleeve ring rope and places the life-saving escape lock on the chest. The escapee and the life-saving escape lock jointly generate downward gravity. At this time, the two spheres move upward along the two through grooves together, and the life-saving escape lock is further locked at the locking position of the escape rope through the two spheres. When the life-saving escape lock needs to move downward along the escape rope 15 When the lifesaving escape lock and the escaper need to stop at a certain point of the escape rope 15, it is only necessary to release the two handles, and under the action of gravity, the two spheres move upward along the two through grooves together to lock the escape rope 15. This achieves the effect of simple structure, easy control, convenient operation, and the ability to escape from dangerous places smoothly, safely and quickly.

[0023] Specifically, the present invention relates to a life-saving escape lock, wherein one side of the left bottom plate 1 is provided with a first through slot 20, one side of the right bottom plate 2 is provided with a second through slot 21, the lower part of the left bottom plate 1 is provided with an anti-disconnection hook 16, the two cylinders are a left cylinder 3 and a right cylinder 4, the two connecting slots are a first connecting slot 24 and a second connecting slot 25, the two through slots are a third through slot 13 and a fourth through slot 14, the connecting rods are a left connecting rod 9 and a right connecting rod 10, the supports are a left support 5 and a right support 6, the handles are a left handle 7 and a right handle 8, and the left bottom plate 1 is provided with a first connecting slot 24 and a second connecting slot 25. A hollow left cylinder 3 tilted to the right is fixed on the right side of the left cylinder 3, a first connecting groove 24 connected from top to bottom and parallel to the axis of the left cylinder 3 is provided on the right side of the left cylinder 3, a third through groove 13 parallel to the axis of the left cylinder 3 is provided in the middle of the front and rear sides of the left cylinder 3, a pin passes through a first sphere 11 arranged in the left cylinder 3, and its two ends are arranged on the outside of the two third through grooves 13, a first concave annular groove 26 is provided on the outer circumference of the first sphere 11 and perpendicular to the pin, and the third through groove 13 is provided on the outside of the third through groove 13. The two ends of the pin are respectively connected to one end of a left connecting rod 9, a left support 5 is provided at the lower left side of the left cylinder 3, a left handle 7 with a through hole on the upper part is hinged on the left support 5, and the through holes of the left handle 7 are respectively connected to the other ends of the two left connecting rods 9 through pins; a hollow right cylinder 4 tilted to the left is fixed on the upper part of the right bottom plate 2, a second connecting groove 25 connected from top to bottom and parallel to the axis of the right cylinder 4 is provided on the left side of the right cylinder 4, and a fourth connecting groove 25 parallel to the axis of the right cylinder 4 is provided in the middle of the front and rear sides of the right cylinder 4 A pin passes through a second sphere 12 disposed in the right cylinder 4, and its two ends are disposed outside the two fourth through slots 14. A second concave annular groove 27 is disposed on the outer circumference of the second sphere 12 and perpendicular to the pin. The two ends of the pin disposed outside the fourth through slot 14 are respectively connected to one end of a right connecting rod 10. A right support 6 is disposed at the lower right side of the right cylinder 4. A right handle 8 with a through hole on the upper part is hingedly connected to the right support 6. The through hole of the right handle 8 is respectively connected to the other ends of the two right connecting rods 10 through a pin.The left bottom plate 1 and the right bottom plate 2 are plugged and matched, and then locked by a self-locking device. The plugging and matching of the left bottom plate 1 and the right bottom plate 2 can be preferably through the upper part of the left bottom plate 1 and the front and rear sides of the first through groove 20 are provided with a U-shaped slide rail 22, and the upper part of the right bottom plate 2 and the front and rear sides of the second through groove 21 are provided with a slider 23 slidably connected to the slide rail. The self-locking device after the plugging and matching of the left bottom plate 1 and the right bottom plate 2 can preferably include a rack arranged on the front and rear sides of the slide rail 22 and a slider arranged on the slider 23 and a self-locking pin matched with the rack, the upper first connecting groove 24 of the left cylinder 3 contacts the upper second connecting groove 25 of the right cylinder 4, the first through groove 20 and the second through groove 21 partially overlap and form a clamping channel, one end of an escape rope 15 is fixed to the upper part of the building and its free end passes through the clamping channel, and the escape rope 15 is locked with the inner wall of the inclined hollow cavity of the left cylinder 3 and the right cylinder 4 by the first concave annular groove 26 of the first sphere 11 and the second concave annular groove 27 of the second sphere 12;Before use, first fix one end of the escape rope 15 to a supporting point of the building, such as a drain pipe or a heating pipe, and lead the other end of the escape rope 15 to the ground. The escape rope 15 can be set vertically to the ground, or it can be extended to the ground at a certain angle away from the supporting point. Then, the left bottom plate 1 and the right bottom plate 2 are plugged together and locked by the self-locking device. At this time, the escape rope 15 is set in the clamping channel and is locked by the first concave annular groove 26 of the first sphere 11 and the second concave annular groove 26 of the second sphere 12. 7 is locked with the inner wall of the inclined hollow cavity of the left cylinder 3 and the right cylinder 4. At this time, the lifesaving escape lock stops at the locking position of the escape rope 15, and then a safety ring rope is hung on the anti-detachment hook 16. The escapee sits in the safety ring rope and places the lifesaving escape lock on the chest. The escapee and the lifesaving escape lock jointly generate downward gravity. At this time, the first sphere 11 and the second sphere 12 move upward along the third through groove 13 and the fourth through groove 14, and the first sphere 11 and the second sphere 12 are further moved. The first and second spheres 11 and 12 are moved downward along the third and fourth slots 13 and 14 respectively. As the external force applied to the left and right handles 7 and 8 increases, the escape rope 15 gradually breaks away from the locking of the first and second spheres 11 and 12. The life-saving escape lock and the escapee move downward along the escape rope 15 together. The greater the external force applied by the left and right handles 8, the faster the life-saving escape lock and the escapee descend along the escape rope 15. When the life-saving escape lock and the escapee need to stop at a certain point of the escape rope 15, just loosen the left and right handles 7 and 8, and under the action of gravity, the first sphere 11 and the second sphere 12 move upward along the third through groove 13 and the fourth through groove 14 to lock the escape rope 15, thus achieving the effect of simple structure, easy control, convenient operation, and smooth, safe and fast escape from dangerous places. ;

[0024] In addition, a third sphere 19 is provided in the hollow cavity of the left cylinder 3 and in the lower part of the first sphere 11 and in the hollow cavity of the right cylinder 4 and in the lower part of the second sphere 12. The displacement of the third sphere 19 along the third through groove 13 and the fourth through groove 14 can further lock the escape rope 15 through the first sphere 11 and the third sphere 19 or through the second sphere 12 and the third sphere 19.

[0025] Elastic pressure plates 18 are respectively provided between the left outer wall of the left cylinder 3 and the outer wall of the left handle 7 and between the right outer wall of the right bottom plate 2 and the outer wall of the right handle 8, so as to facilitate the timely return of the left handle 7 and the right handle 8 and the components connected thereto.

Claims

1. A life-saving escape lock, characterized in that: It comprises a left bottom plate (1) and a right bottom plate (2), on which hollow cylinders are symmetrically arranged with their upper parts inclined toward the center line, and the inner sides of the two cylinders are symmetrically provided with connecting grooves that are connected from top to bottom and are parallel to the axes of the corresponding cylinders, and the middle parts of the front and rear sides of the two cylinders are provided with through grooves that are parallel to the axes of the corresponding cylinders, and a pin shaft passes through a sphere arranged in the corresponding cylinder, and its two ends are respectively arranged on the outside of the two through grooves, and the two ends of the pin shaft respectively arranged on the outside of each through groove are respectively connected to one end of a connecting rod. The two ends are connected, and the lower parts of the two sides of each cylinder are provided with a support, and each support is hinged with a handle with a through hole on the upper part, and the through hole of each handle is connected to the other end of the corresponding two connecting rods through a pin shaft; a concave annular groove is provided on the outer circumference of each sphere and perpendicular to the corresponding pin shaft, and the left bottom plate (1) and the right bottom plate (2) are locked by a self-locking device after being plugged and matched, and the cylindrical through grooves after plugging and locking form a clamping channel, and the left bottom plate (1) and the right bottom plate (2) are connected to each other through the self-locking device after plugging and locking. 2) The plug-in fit is achieved by providing a U-shaped slide rail (22) on the upper part of the left bottom plate (1) and on the front and rear sides of the first through slot (20), and providing a slider (23) slidably connected to the slide rail on the upper part of the right bottom plate (2) and on the front and rear sides of the second through slot (21); the self-locking device after the left bottom plate (1) and the right bottom plate (2) are plug-in fit comprises a rack provided on the front and rear sides of the slide rail (22) and a self-locking pin provided on the slider (23) and matching with the rack; one end of an escape rope is fixed The free end of the escape rope is fixed on the upper part of the building and passes through the clamping channel, and the escape rope is locked by the concave annular grooves of the two spheres and the inner walls of the inclined hollow cavities of the two cylinders; one side of the left bottom plate (1) is provided with a first through groove (20), one side of the right bottom plate (2) is provided with a second through groove (21), the lower part of the left bottom plate (1) is provided with an anti-detachment hook (16), the two cylinders are a left cylinder (3) and a right cylinder (4), and the outer walls of the front and rear sides of the left cylinder (3) are fixed with arc panels (17);The two communicating grooves are a first communicating groove (24) and a second communicating groove (25), the two spheres are a first sphere (11) and a second sphere (12), the two through grooves are a third through groove (13) and a fourth through groove (14), the connecting rods are a left connecting rod (9) and a right connecting rod (10), the supports are a left support (5) and a right support (6), the handles are a left handle (7) and a right handle (8), a hollow left cylinder (3) tilted to the right is fixed on the upper part of the left bottom plate (1), and a right side of the left cylinder (3) is provided with a connecting rod connected from top to bottom and parallel to the axis of the left cylinder (3). The first connecting groove (24) is arranged in a row, the middle part of the front and rear sides of the left cylinder (3) is provided with the third through groove (13) parallel to the axis of the left cylinder (3), a pin shaft passes through a first sphere (11) arranged in the left cylinder (3) and its two ends are arranged on the outside of the two third through grooves (13), the first sphere (11) is provided with a first concave annular groove (26) on the outer circumference perpendicular to the pin shaft, the two ends of the pin shaft arranged on the outside of the third through groove (13) are respectively connected to one end of a left connecting rod (9), and the left lower part of the left cylinder (3) is provided with A left support (5) is provided, and a left handle (7) with a through hole on the upper part is hingedly connected to the left support (5), and the through hole of the left handle (7) is connected to the other ends of the two left connecting rods (9) through a pin shaft; a hollow right cylinder (4) tilted to the left is fixed on the upper part of the right bottom plate (2), and a second connecting groove (25) connected from top to bottom and parallel to the axis of the right cylinder (4) is provided on the left side of the right cylinder (4), and a fourth through groove (14) parallel to the axis of the right cylinder (4) is provided in the middle of the front and rear sides of the right cylinder (4), and a pin shaft passes through the right cylinder (4) and is arranged in the middle of the front and rear sides of the right cylinder (4). A second sphere (12) in the column (4) has its two ends arranged outside the two fourth through grooves (14); a second concave annular groove (27) is provided on the outer circumference of the second sphere (12) and perpendicular to the pin shaft; the two ends of the pin shaft arranged outside the fourth through groove (14) are respectively connected to one end of a right connecting rod (10); a right support (6) is provided at the lower right side of the right cylinder (4); a right handle (8) with a through hole on the upper part is hingedly connected to the right support (6); the through hole of the right handle (8) is respectively connected to the other ends of the two right connecting rods (10) through the pin shaft;The left bottom plate (1) and the right bottom plate (2) are locked by a self-locking device after being plugged into each other. The upper first connecting groove (24) of the left cylinder (3) contacts the upper second connecting groove (25) of the right cylinder (4). The first through groove (20) and the second through groove (21) partially overlap to form a clamping channel. One end of an escape rope (15) is fixed to the upper part of the building and its free end passes through the clamping channel. The escape rope (15) is locked by the first concave annular groove (26) of the first sphere (11) and the second concave annular groove (27) of the second sphere (12) and the inner wall of the inclined hollow cavity of the left cylinder (3) and the right cylinder (4).

2. A life-saving escape lock according to claim 1, characterized in that: A third sphere (19) is provided in the hollow cavity of the left cylinder (3) and at the lower part of the first sphere (11), and in the hollow cavity of the right cylinder (4) and at the lower part of the second sphere (12).

3. A life-saving escape lock according to claim 1, characterized in that: The left outer wall of the left cylinder (3) An elastic pressure plate (18) is respectively provided between the outer wall of the left handle (7) and between the right outer wall of the right bottom plate (2) and the outer wall of the right handle (8).

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