Escape device capable of being hidden under window body

Abstract

The invention discloses an escape device capable of being hidden under a window body, the escape device comprises an escape basket, a containing cavity and the window body, the escape basket comprises a folding form used for being contained in the containing cavity and an unfolding form used for escape, the escape basket comprises a first frame body, a second frame body, a folding longitudinal rod and a transverse rod, and further comprises a suspension wire used for suspending the escape basket, the storage mechanism is arranged in the first frame body and used for storing the hanging wire, the paying-off mechanism is arranged on the first frame body and used for paying off, the balance supporting mechanism is arranged on the hanging wire and enables the escape basket to descend stably, and the balance supporting mechanism comprises a lifting assembly capable of pulling the cross rod to move upwards. Therefore, the whole window body looks beautiful at ordinary times; and after the escape basket is pushed out, the folding longitudinal rods can be unfolded, the lifting assembly pulls the transverse rods to move upwards, and therefore people entering the escape basket are comprehensively protected. The suspension wire is only arranged on one side of the first frame body, the structure is simpler, and the escape basket can stably descend through the arranged balance supporting assembly.

Description

Technical Field

[0001] The invention relates to the technical field of escape devices, and in particular to an escape device that can be hidden under a window. Background Art

[0002] In modern buildings, especially high-rise buildings, when an emergency such as a fire occurs, the safe evacuation and escape of personnel is a crucial issue. Existing escape equipment has some shortcomings. For example, some escape devices are large in size, which affects the aesthetic appearance of the building after installation; some escape devices are not stable and safe when in use, and cannot ensure the safety of personnel during the escape process. For example, a glass guardrail hidden escape device is disclosed in a patent application document with publication number CN222218448U. Although the escape basket can be hidden under the window, the structure of the escape basket lowering device is relatively complicated, and it is usually necessary to connect the suspension wires used for releasing the wires to the frames on both sides of the escape basket to realize the lowering function. Summary of the invention

[0003] In view of this, an object of the present invention is to provide an escape device which has a simple structure and can be hidden under a window without affecting the aesthetic appearance of the building.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] An escape device that can be hidden under a window comprises an escape basket, a receiving cavity arranged on a wall and capable of receiving the escape basket, and a window arranged on the wall and capable of covering the receiving cavity, wherein the escape basket comprises a folding form for receiving the escape basket in the receiving cavity and an unfolding form for escaping, the escape basket comprises a first frame arranged on a front side, a second frame arranged on a rear side, a plurality of folding longitudinal rods arranged on the first frame and the second frame and connecting the two, and a plurality of cross bars arranged in the first frame and the second frame and capable of moving up and down, a hanging line for suspending the escape basket is arranged in the receiving cavity, a receiving mechanism for receiving the hanging line is arranged in the first frame, a line-releasing mechanism for releasing the hanging line to lower the escape basket is arranged on the first frame, a balancing support mechanism for smoothly lowering the escape basket is arranged on the hanging line, and the balancing support mechanism comprises a lifting assembly capable of pulling the cross bar to move upward.

[0006] In a preferred embodiment of the present invention, the balancing support mechanism includes a support member arranged above the first frame, a first traction line arranged on the support member and the other end of which is arranged on the first frame, a second traction line arranged on the support member and the other end of which is arranged on the second frame, and an eighth traction line arranged on the support member and the other end of which is arranged on the folding longitudinal rod, and the suspension line is wrapped around the support member at least once.

[0007] In a preferred embodiment of the present invention, a first guide groove for allowing the cross bar to move up and down is provided on the first frame body, and a second guide groove for allowing the cross bar to move up and down is provided on the second frame body. The cross bar includes a first cross bar arranged on the first frame body, and a second cross bar arranged on the second frame body. The left and right ends of the first cross bar are both provided with a first plug that can be inserted into the first guide groove, and the left and right ends of the second cross bar are both provided with a second plug that can be inserted into the second guide groove.

[0008] In a preferred embodiment of the present invention, a first through hole communicating with the first guide groove is provided on the first frame body, a second through hole communicating with the second guide groove is provided on the second frame body, the lifting assembly includes a third traction line connected to the first traction line and extending into the first guide groove through the first through hole, and a fourth traction line connected to the second traction line and extending into the second guide groove through the second through hole, the first plugs at both ends of the first cross bar are fixed on the third traction line, and a certain distance is between two adjacent first cross bars, and the second plugs at both ends of the second cross bar are fixed on the fourth traction line, and a certain distance is between two adjacent second cross bars.

[0009] In a preferred embodiment of the present invention, the folding longitudinal rod includes a first folding longitudinal rod arranged on the first frame, a second folding longitudinal rod arranged on the second frame and hinged to the first folding longitudinal rod, and a hinge shaft hinged to the first folding longitudinal rod and the second folding longitudinal rod, and the eighth traction line is connected to the hinge shaft of the top folding longitudinal rod.

[0010] In a preferred embodiment of the present invention, a fifth traction line connecting the two is provided on the hinge shafts between adjacent connected folding longitudinal rods, a sixth traction line connected to the hinge shaft is provided on the first frame and above the first folding longitudinal rod, and a seventh traction line connected to the hinge shaft is provided on the second frame and above the second folding longitudinal rod.

[0011] In a preferred embodiment of the present invention, a first limit plate capable of limiting the downward swinging position of the first folding longitudinal rod is provided on the first frame and below the first folding longitudinal rod, and a second limit plate capable of limiting the downward swinging position of the second folding longitudinal rod is provided on the second frame and below the second folding longitudinal rod.

[0012] In a preferred embodiment of the present invention, a first storage groove is provided at the bottom of the first frame body, a second storage groove is provided at the bottom of the second frame body, and a retractable support net assembly is provided at the bottom of the escape basket, wherein the support net assembly includes a first support column arranged in the first storage groove, a second support column arranged in the second storage groove, and a support net arranged between the first support column and the second support column and retractable onto the first support column and the second support column.

[0013] In a preferred embodiment of the present invention, the suspension wire includes a first suspension wire arranged on the left side of the first frame body, and a second suspension wire arranged on the left side of the second frame body, the storage mechanism includes a first storage chamber arranged on the left side of the first frame body, a first winding shaft arranged in the first storage chamber, a second storage chamber arranged on the right side of the first frame body, a second winding shaft arranged in the second storage chamber, and a coupling arranged between the first winding shaft and the second winding shaft and connecting the two for transmission, the first frame body is provided with a first wire hole communicating with the first storage chamber, the first frame body is provided with a second wire hole communicating with the second storage chamber, the first winding shaft is provided with a first thread groove for winding up the first suspension wire, the second winding shaft is provided with a second thread groove for winding up the second suspension wire, and the rotation direction of the first thread groove is opposite to that of the second thread groove.

[0014] In a preferred embodiment of the present invention, the wire-releasing mechanism includes a shell arranged on the first frame and located at the coupling, a manual wire-releasing structure arranged on the shell and used to synchronously release the first suspension line and the second suspension line, and a damper capable of limiting the wire-releasing speed of the first suspension line and the second suspension line, the manual wire-releasing structure includes a first limit block arranged on the coupling, a threaded shaft arranged in the shell, a rotating handle arranged on the shell and driving the threaded shaft to rotate, and a second limit block arranged on the threaded shaft and capable of reciprocating along the axial direction of the threaded shaft to engage with the first limit block.

[0015] The beneficial effects of the present invention are as follows: the escape device includes an escape basket, a receiving cavity for storing the escape basket, and a window for covering the receiving cavity. The escape basket includes a folding form for storing in the receiving cavity and an unfolding form for escape, wherein the escape basket includes a first frame, a second frame, a folding longitudinal rod and a cross rod, a hanging wire for suspending the escape basket is provided in the receiving cavity, and a storage mechanism for storing the hanging wire is provided in the first frame, a wire-releasing mechanism for releasing the hanging wire to lower the escape basket is provided on the first frame, and a balancing support mechanism for steadily lowering the escape basket is provided on the hanging wire, wherein the balancing support mechanism includes a lifting assembly for pulling the cross rod upward. In this way, in normal times, the escape basket is in a folded form and stored in the receiving cavity, and the window is surrounded by a protective frame to shield the receiving cavity, so that the escape basket stored in the receiving cavity cannot be seen from the outside, making the window look more simple and beautiful as a whole, and does not affect the appearance of the building. When a fire occurs and an escape basket is needed for escape, after the escape basket is pushed out, the folding longitudinal rod will unfold, and the lifting assembly will pull the cross bar upward to the corresponding position, so that the escape basket is transformed from a folded state to an unfolded state, thereby providing comprehensive protection for people entering the escape basket. The suspension wire is only provided on one side of the first frame, and the structure is simpler. In addition, through the provided balancing support assembly, the escape basket will not be overturned during the descent due to the force being concentrated on only one side of the first frame, thereby ensuring the safety performance of the escape basket during the descent, so that it can be smoothly descended. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the escape basket of the present invention in an unfolded state for escape;

[0017] Figure 2 is a schematic diagram of the escape basket of the present invention being in a folded state and stored in the receiving cavity;

[0018] Figure 3 is a schematic diagram of an escape basket in the present invention;

[0019] Figure 4 is a cross-sectional view of the escape basket of the present invention;

[0020] Figure 5 is a schematic diagram of a support mesh assembly in the present invention;

[0021] Figure 6 It is a partial schematic diagram of the balance support mechanism in the present invention;

[0022] Figure 7 is a schematic diagram of a support member in the present invention;

[0023] Figure 8 is a cross-sectional view of the present invention located in the upper end of the first frame;

[0024] Fig. 9 It is a partial schematic diagram of the storage mechanism in the present invention;

[0025] Fig.10 It is a cross-sectional view of the present invention located at the wire-releasing mechanism. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings.

[0027] Reference Figures 1 to 10 , an escape device that can be hidden under a window, including an escape basket 1, a receiving cavity 2 arranged on a wall and capable of receiving the escape basket 1, and a window 3 arranged on the wall and capable of covering the receiving cavity 2, the escape basket 1 including a folded form for receiving the escape basket in the receiving cavity 2, and an unfolded form for escaping, the escape basket 1 including a first frame 11 arranged on the front side, a second frame 12 arranged on the rear side, and a plurality of folding longitudinal rods 1 arranged on the first frame 11 and the second frame 12 and connecting the two. 3, and a plurality of cross bars 14 arranged in the first frame 11 and the second frame 12 and movable up and down, a hanging wire 4 for suspending the escape basket 1 is arranged in the receiving chamber 2, a storage mechanism 5 for storing the hanging wire 4 is arranged in the first frame 11, a wire-releasing mechanism 6 for releasing the hanging wire 4 to lower the escape basket 1 is arranged on the first frame 11, a balancing support mechanism 7 for steadily lowering the escape basket 1 is arranged on the hanging wire 4, and the balancing support mechanism 7 includes a lifting component 71 for pulling the cross bar 14 upward. In this way, the escape basket 1 is in a folded state and stored in the receiving chamber 2 at ordinary times, and the window 3 is surrounded by a protective frame to shield the receiving chamber 2, so that the escape basket 1 stored in the receiving chamber 2 cannot be seen from the outside, making the window 3 look more simple and beautiful as a whole, and does not affect the appearance of the building. When a fire occurs and the escape basket 1 needs to be used for escape, the window 3 can be opened and the escape basket 1 stored in the receiving chamber 2 can be pushed out. After the escape basket 1 is pushed out, the folding longitudinal rod 13 will be unfolded, and the lifting assembly 71 will pull the cross bar 14 upward to the corresponding position, so that the escape basket 1 is transformed from a folded state to an unfolded state, and then the hanging wire 4 will be released by the wire release mechanism 6, so that the escape basket 1 is lowered, so as to quickly escape from the floor or the ground where the fire has not yet occurred. At the same time, the hanging wire is only set on one side of the first frame 11, and the structure is simpler. In addition, through the provided balance support assembly, the escape basket 1 will not be overturned due to the force concentrated on only one side of the first frame 11 during the descent process, thereby ensuring the safety performance of the escape basket 1 during the descent process, so that it can be smoothly descended.

[0028] Reference Figure 6 and Figure 7In this solution, the balance support mechanism 7 includes a support member 72 disposed above the first frame 11, a first traction line 73 disposed on the support member 72 and the other end of which is disposed on the first frame 11, a second traction line 74 disposed on the support member 72 and the other end of which is disposed on the second frame 12, and an eighth traction line 75 disposed on the support member 72 and the other end of which is disposed on the folding longitudinal rod 13, and the suspension line 4 is at least wound around the support member 72. Specifically, the support member 72 includes a support block 721 and a pulley 722 disposed at the upper end of the support block 721, the first traction line 73, the second traction line 74 and the eighth traction line 75 are all disposed at the lower end of the support block 721, and the suspension line 4 is at least wound around the pulley 722. In this way, the first traction line 73 and the second traction line 74 are used to balance the force applied to the escape basket 1 in the horizontal direction to prevent the escape basket 1 from turning over. At the same time, the eighth traction line 75 is used to limit the height position of the support member 72, so that the first traction line 73 and the second traction line 74 are both in a straightened state to avoid uneven force on one side. At the same time, it is also convenient for the suspension line 4 to be released without jamming.

[0029] Reference Figure 3 and Figure 4 In this embodiment, the first frame body 11 is provided with a first guide groove 111 for the cross bar 14 to move up and down, and the second frame body 12 is provided with a second guide groove 121 for the cross bar 14 to move up and down. The cross bar 14 includes a first cross bar 141 arranged on the first frame body 11, and a second cross bar 142 arranged on the second frame body 12. The left and right ends of the first cross bar 141 are both provided with a first plug 1411 that can be inserted into the first guide groove 111, and the left and right ends of the second cross bar 142 are both provided with a second plug 1421 that can be inserted into the second guide groove 121. The first plug 1411 and the second plug 1421 are T-shaped and are respectively clamped in the first guide groove 111 and the second guide groove 121 to move up and down.

[0030] Reference Figure 4In the present embodiment, a first through hole 112 communicating with the first guide groove 111 is provided on the first frame body 11, and a second through hole 122 communicating with the second guide groove 121 is provided on the second frame body 12. The lifting assembly 71 includes a third pulling line 711 connected to the first pulling line 73 and extending into the first guide groove 111 through the first through hole 112, and a fourth pulling line 712 connected to the second pulling line 74 and extending into the second guide groove 121 through the second through hole 122. The first plugs 1411 at both ends of the first cross bar 141 are fixed on the third pulling line 711, the third pulling line 711 and the fourth pulling line 712 are respectively fixed to the bottom of the first frame body 11 and the second frame body 12, and there is a certain distance between the two adjacent first cross bars 141, and the second plugs 1421 at both ends of the second cross bar 142 are fixed on the fourth pulling line 712, and there is a certain distance between the two adjacent second cross bars 142. In this way, after the escape basket 1 is pushed out, the support member 72 will be pulled upward to a corresponding position, depending on the length of the eighth traction line 75, so that the first traction line 73 and the second traction line 74 are pulled upward, and then the third traction line 711 and the fourth traction line 712 are pulled upward, so as to pull the cross bar 14 upward to a corresponding position.

[0031] Reference Figure 3 In this embodiment, the folding longitudinal rod 13 includes a first folding longitudinal rod 131 provided on the first frame 11, a second folding longitudinal rod 132 provided on the second frame 12 and hinged to the first folding longitudinal rod 131, and a hinge shaft 133 for hingedly connecting the first folding longitudinal rod 131 and the second folding longitudinal rod 132, and the third traction line 711 is connected to the hinge shaft 133 of the top folding longitudinal rod 13. Further, the hinge shafts 133 between the adjacent folding longitudinal rods 13 are provided with a fifth traction line 134 for connecting the two, the first frame 11 and above the first folding longitudinal rod 131 are provided with a sixth traction line 135 connected to the hinge shaft 133, and the second frame 12 and above the second folding longitudinal rod 132 are provided with a seventh traction line 136 connected to the hinge shaft 133, so that each folding longitudinal rod 13 can be folded upward or unfolded downward synchronously.

[0032] Reference Figure 3 In this solution, a first limiting plate 137 capable of limiting the downward swinging position of the first folding longitudinal rod 131 is provided on the first frame 11 and below the first folding longitudinal rod 131, and a second limiting plate 138 capable of limiting the downward swinging position of the second folding longitudinal rod 132 is provided on the second frame 12 and below the second folding longitudinal rod 132, so that the first folding longitudinal rod 131 and the second folding longitudinal rod 132 are in a horizontal state after being unfolded, so as to better support the escape basket 1.

[0033] Reference Figure 4 and Figure 5 In this solution, the first frame 11 is provided with a first receiving slot 113 at the bottom, the second frame 12 is provided with a second receiving slot 123 at the bottom, and the escape basket 1 is provided with a retractable support net assembly 15 at the bottom, the support net assembly 15 includes a first support column 151 disposed in the first receiving slot 113, a second support column 152 disposed in the second receiving slot 123, and a support net 153 disposed between the first support column 151 and the second support column 152 and retractable on the first support column 151 and the second support column 152. In this way, during the unfolding process of the escape basket 1, the support net 153 disposed at the bottom will also be pulled open, thereby supporting the person entering the escape basket 1.

[0034] Reference Figure 8 and Fig. 9 In this embodiment, the suspension wire 4 includes a first suspension wire 41 disposed on the left side of the first frame body 11, and a second suspension wire 42 disposed on the left side of the second frame body 12, and the storage mechanism 5 includes a first storage cavity 51 disposed on the left side of the first frame body 11, a first winding shaft 52 disposed in the first storage cavity 51, a second storage cavity 53 disposed on the right side of the first frame body 11, a second winding shaft 54 ​​disposed in the second storage cavity 53, and a winding shaft 54 ​​disposed between the first winding shaft 52 and the second winding shaft 54. The coupling 55 for transmission connection between the two, the first frame 11 is provided with a first wire hole 114 communicating with the first storage chamber 51, the first frame 11 is provided with a second wire hole 115 communicating with the second storage chamber 53, the first winding shaft 52 is provided with a first thread groove 521 for winding the first suspension wire 41, the second winding shaft 54 ​​is provided with a second thread groove 541 for winding the second suspension wire 42, and the rotation direction of the first thread groove 521 is opposite to that of the second thread groove 541. In this way, the first suspension wire 41 and the second suspension wire 42 are arranged and stored, so that they can be released smoothly without getting stuck during release.

[0035] Reference Figure 8 and Fig.10In this embodiment, the wire-releasing mechanism 6 includes a housing 61 disposed on the first frame 11 and located at the coupling 55, a manual wire-releasing structure 62 disposed on the housing 61 and used to synchronously release the first suspension wire 41 and the second suspension wire 42, and a damper 63 capable of limiting the release speed of the first suspension wire 41 and the second suspension wire 42. The manual wire-releasing structure 62 includes a first limit block 621 disposed on the coupling 55, a threaded shaft 622 disposed in the housing 61, a rotating handle 623 disposed on the housing 61 and driving the threaded shaft 622 to rotate, and a second limit block 624 disposed on the threaded shaft 622 and capable of reciprocating along the axial direction of the threaded shaft 622 to engage with the first limit block 621. Further, the first limit block 621 is in the shape of a water drop, and the second limit block 624 includes a recessed portion that can abut against the protruding portion of the first limit block 621. In this way, the first suspension line 41 and the second suspension line 42 are manually controlled to release synchronously, ensuring that the escape basket 1 descends smoothly; the operation is simple and convenient, and the use of electrical control components is avoided, which is safer and more reliable. In addition, the damper 63 is provided to prevent the escape basket 1 from descending too fast, further improving the safety performance.

[0036] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An escape device that can be hidden under a window, comprising an escape basket (1), a receiving cavity (2) arranged on a wall and capable of receiving the escape basket (1), and a window (3) arranged on the wall and capable of covering the receiving cavity (2), wherein the escape basket (1) comprises a folded form for receiving the receiving cavity (2) and an unfolded form for escaping, characterized in that: The escape basket (1) comprises a first frame (11) arranged at the front side, a second frame (12) arranged at the rear side, a plurality of folding longitudinal rods (13) arranged at the first frame (11) and the second frame (12) to connect the two, and a plurality of cross bars (14) arranged in the first frame (11) and the second frame (12) and movable up and down. A hanging wire (4) for suspending the escape basket (1) is arranged in the receiving chamber (2), a storage mechanism (5) for storing the hanging wire (4) is arranged in the first frame (11), a wire-releasing mechanism (6) for releasing the hanging wire (4) to lower the escape basket (1) is arranged on the first frame (11), a balancing support mechanism (7) for allowing the escape basket (1) to lower steadily is arranged on the hanging wire (4), and the balancing support mechanism (7) comprises a lifting assembly (71) for pulling the cross bar (14) to move upward.

2. The escape device that can be hidden under a window according to claim 1, characterized in that: The balancing support mechanism (7) comprises a support member (72) arranged above the first frame (11), a first traction line (73) arranged on the support member (72) and the other end of which is arranged on the first frame (11), a second traction line (74) arranged on the support member (72) and the other end of which is arranged on the second frame (12), and an eighth traction line (75) arranged on the support member (72) and the other end of which is arranged on the folding longitudinal rod (13), and the suspension line (4) is wound around the support member (72) for at least one circle.

3. The escape device that can be hidden under a window according to claim 2, characterized in that: The first frame (11) is provided with a first guide groove (111) for the cross bar (14) to move up and down, and the second frame (12) is provided with a second guide groove (121) for the cross bar (14) to move up and down, and the cross bar (14) comprises a first cross bar (141) arranged on the first frame (11), and a second cross bar (142) arranged on the second frame (12), and the left and right ends of the first cross bar (141) are both provided with a first plug (1411) which can be inserted into the first guide groove (111), and the left and right ends of the second cross bar (142) are both provided with a second plug (1421) which can be inserted into the second guide groove (121).

4. The escape device that can be hidden under a window according to claim 3, characterized in that: The first frame (11) is provided with a first through hole (112) communicating with the first guide groove (111), the second frame (12) is provided with a second through hole (122) communicating with the second guide groove (121), the lifting assembly (71) comprises a third pulling line (711) connected to the first pulling line (73) and extending into the first guide groove (111) through the first through hole (112), and a third pulling line (711) connected to the second pulling line (74) and extending through the first through hole (112). The second through hole (122) extends into the fourth pulling line (712) in the second guide groove (121); the first plugs (1411) at both ends of the first cross bar (141) are fixed on the third pulling line (711), and two adjacent first cross bars (141) are spaced apart by a certain distance; the second plugs (1421) at both ends of the second cross bar (142) are fixed on the fourth pulling line (712), and two adjacent second cross bars (142) are spaced apart by a certain distance.

5. The escape device that can be hidden under a window according to claim 2, characterized in that: The folding longitudinal rod (13) comprises a first folding longitudinal rod (131) arranged on the first frame (11), a second folding longitudinal rod (132) arranged on the second frame (12) and hinged to the first folding longitudinal rod (131), and a hinge shaft (133) hingedly connecting the first folding longitudinal rod (131) and the second folding longitudinal rod (132), and the eighth traction line (75) is connected to the hinge shaft (133) of the uppermost folding longitudinal rod (13).

6. The escape device that can be hidden under a window according to claim 5, characterized in that: A fifth traction line (134) is provided on the hinge shaft (133) between the adjacent connected folding longitudinal rods (13), a sixth traction line (135) connected to the hinge shaft (133) is provided on the first frame (11) and located above the first folding longitudinal rod (131), and a seventh traction line (136) connected to the hinge shaft (133) is provided on the second frame (12) and located above the second folding longitudinal rod (132).

7. The escape device that can be hidden under a window according to claim 6, characterized in that: A first limit plate (137) capable of limiting the downward swinging position of the first folding longitudinal rod (131) is provided on the first frame body (11) and below the first folding longitudinal rod (131), and a second limit plate (138) capable of limiting the downward swinging position of the second folding longitudinal rod (132) is provided on the second frame body (12) and below the second folding longitudinal rod (132).

8. The escape device that can be hidden under a window according to claim 7, characterized in that: The bottom of the first frame (11) is provided with a first receiving groove (113), the bottom of the second frame (12) is provided with a second receiving groove (123), and the bottom of the escape basket (1) is provided with a support net assembly (15) that can be rolled up, the support net assembly (15) comprising a first support column (151) arranged in the first receiving groove (113), a second support column (152) arranged in the second receiving groove (123), and a support net (153) arranged between the first support column (151) and the second support column (152) and that can be rolled up on the first support column (151) and the second support column (152).

9. An escape device that can be hidden under a window according to any one of claims 1 to 8, characterized in that: The suspension wire (4) comprises a first suspension wire (41) arranged on the left side of the first frame (11), and a second suspension wire (42) arranged on the left side of the second frame (12); the storage mechanism (5) comprises a first storage cavity (51) arranged on the left side of the first frame (11), a first winding shaft (52) arranged in the first storage cavity (51), a second storage cavity (53) arranged on the right side of the first frame (11), a second winding shaft (54) arranged in the second storage cavity (53), and a winding shaft (54) arranged between the first winding shaft (52) and the second winding shaft (54). A coupling (55) for transmission connection between the two, the first frame (11) is provided with a first wire hole (114) communicating with the first storage chamber (51), the first frame (11) is provided with a second wire hole (115) communicating with the second storage chamber (53), the first winding shaft (52) is provided with a first thread groove (521) for winding up the first suspension wire (41), the second winding shaft (54) is provided with a second thread groove (541) for winding up the second suspension wire (42), the rotation direction of the first thread groove (521) is opposite to the rotation direction of the second thread groove (541).

10. The escape device that can be hidden under a window according to claim 9, characterized in that: The wire-releasing mechanism (6) comprises a shell (61) arranged on the first frame (11) and located at the coupling (55), a manual wire-releasing structure (62) arranged on the shell (61) and used for synchronously releasing the first suspension wire (41) and the second suspension wire (42), and a damper (63) capable of limiting the releasing speed of the first suspension wire (41) and the second suspension wire (42), wherein the manual wire-releasing structure (62) comprises a first limit block (621) arranged on the coupling (55), a threaded shaft (622) arranged in the shell (61), a rotating handle (623) arranged on the shell (61) and driving the threaded shaft (622) to rotate, and a second limit block (624) arranged on the threaded shaft (622) and capable of reciprocating along the axial direction of the threaded shaft (622) to engage with the first limit block (621).

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