CN213554976U

CN213554976U - Slow descending escape device

Info

Publication number: CN213554976U
Application number: CN202021462207.8U
Authority: CN
Inventors: 李炳松
Original assignee: Building Ark Co ltd
Current assignee: Building Ark Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-06-29
Anticipated expiration: 2030-07-22

Abstract

The utility model provides a slow descending escape device, which comprises a shell, a rotating shaft, a central gear, a gear transmission assembly, a rope winding drum, a rope protection mechanism and a steel wire rope, wherein the shell is internally provided with an accommodating space; the rope protection mechanism comprises an inner sleeve and an outer sleeve, one end of the inner sleeve is positioned in the accommodating space, the other end of the inner sleeve penetrates through the outer part of the shell, the inner sleeve is provided with a first through hole, and the outer sleeve is connected with the inner sleeve and fixes the inner sleeve on the shell; one end of the steel wire rope is wound on the rope winding drum, and the other end of the steel wire rope penetrates out of the shell through the first through hole. The utility model discloses can avoid wire rope to lead to being worn and torn at the downthehole wall frictional contact with the casing to protect wire rope, improve the safety in utilization of ware of fleing slowly falls.

Description

Slow descending escape device

Technical Field

The utility model relates to a high altitude escape equipment technical field especially relates to a ware of fleing slowly falls.

Background

When disasters such as earthquakes and fires happen, people in a high-rise building cannot use the elevator to quickly reach the ground and can only go down through the stairs, but the escape speed of the people through the stairs is too low, so that the people cannot escape in time. Although people in a high building can escape through an aerial ladder or a lifesaving air cushion with the help of the fire-fighting rescue force, the fire-fighting rescue force cannot always arrive at the scene before disasters deteriorate the personal safety of crisis, and the dead time of escape can be delayed if people wait for rescue blindly. In order to enable people in a high-rise building to rapidly escape to the ground by themselves in case of a disaster, some related escape devices have been developed, wherein the slow descent escape device has the strongest practicability. The free end of the steel wire rope of the slow-descent escape device is fixed in a building, and people carry the slow-descent escape device to carry out slow-descent escape. However, the existing slow descent escape device has the following problems: the free end of the steel wire rope directly penetrates out of the shell of the slow-descent escape device, the steel wire rope can directly rub against the inner wall of the hole of the shell in the process of being drawn out from the interior of the slow-descent escape device, and the steel wire rope and the shell have large hardness difference, so that the steel wire rope can be abraded or broken, and the safety of a user of the slow-descent escape device is seriously affected.

Therefore, there is a need for a descent control escape device capable of protecting a steel wire rope.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ware of fleing slowly falls that can protect wire rope.

In order to achieve the purpose, the utility model provides a slow descending escape device, which comprises a shell, a rotating shaft, a central gear, a gear transmission assembly, a rope winding drum, a rope protection mechanism and a steel wire rope, wherein the shell is internally provided with an accommodating space, the rotating shaft is arranged in the shell in a penetrating way and is pivoted with the shell, the central gear is arranged in the accommodating space and is fixed on the rotating shaft, the rope winding drum is arranged in the accommodating space, the inner peripheral side of the rope winding drum is provided with an inner tooth structure, the inner tooth structure is positioned at the periphery of the central gear, and the gear transmission assembly is meshed between the inner tooth structure and the central gear; the rope protection mechanism comprises an inner sleeve and an outer sleeve, one end of the inner sleeve is positioned in the accommodating space, the other end of the inner sleeve penetrates through the outer part of the shell, the inner sleeve is provided with a first through hole, the outer sleeve is positioned on the outer side of the shell, and the outer sleeve is in threaded connection with the inner sleeve and fixes the inner sleeve on the shell; one end of the steel wire rope is wound on the rope winding drum, and the other end of the steel wire rope penetrates out of the shell through the first through hole.

Preferably, the rope protection mechanism further comprises a connecting cylinder, the connecting cylinder is fixedly connected with the inner sleeve and located on the outer side of the shell, a second through hole is formed in the connecting cylinder and communicated with the first through hole, and the steel wire rope penetrates through the second through hole.

Preferably, a guide sleeve is arranged in the second through hole, the guide sleeve is provided with guide holes with the length direction being the same as that of the second through hole, and the two guide holes are communicated with each other.

Preferably, the gear transmission assembly comprises a plurality of transmission gears, the transmission gears are arranged between the central gear and the rope winding drum along the circumferential direction of the central gear, and the transmission gears are meshed between the internal tooth structure and the central gear.

Preferably, the device further comprises a friction speed reducing mechanism, wherein the friction speed reducing mechanism is fixedly connected to the rotating shaft; the rotating shaft rotates to drive the friction speed reducing mechanism to abut against the inner wall of the rope winding drum so as to reduce the speed of the rotation of the rope winding drum.

Preferably, the friction speed reducing mechanism comprises a support and a plurality of friction blocks, the support is fixed on the rotating shaft, the support is provided with a plurality of connecting arms which are arranged at intervals, each connecting arm is provided with the friction block, and one end of each friction block is pivoted with the connecting arm.

Preferably, the outer end of the connecting arm is bent inwards to form a pivot portion, and the friction block is pivoted on the pivot portion.

Preferably, the number of the connecting arms and the number of the friction blocks are three, and the three friction blocks are respectively pivoted on the three connecting arms.

Preferably, the side wall of the housing is provided with an opening communicated with the accommodating space, the rotating shaft extends into the accommodating space through the opening, and the end face of the rotating shaft, which is located at the opening, is provided with a driving groove exposed to the outside.

Compared with the prior art, the utility model discloses a ware of fleing slowly falls through set up rope protection mechanism on the casing, utilizes the overcoat with endotheca threaded connection's mode to the endotheca on the casing is worn in the locking, and utilizes the first through-hole of endotheca to supply wire rope to wear out from the inside of casing, avoids wire rope to lead to by wearing and tearing or wearing and tearing at the downthehole wall frictional contact with the casing, thereby protects wire rope, improves the safety in utilization of ware of fleing slowly falls.

Drawings

Fig. 1 is a schematic perspective view of the slow descent escape device of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic structural view of the slow descent escape device of the present invention with a part of the housing removed.

Fig. 4 is a front view of fig. 3.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is a schematic structural view of a rope protection mechanism of the slow descent escape device of the present invention.

Fig. 7 is a schematic structural view of another angle of the rope protecting mechanism of the slow descent escape device of the present invention.

Fig. 8 is a schematic structural view of a guide sleeve of the rope protection mechanism of the present invention.

Fig. 9 is a schematic structural view of the friction mechanism and the rope drum of the present invention.

Fig. 10 is a schematic structural view of the friction mechanism of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 6, the slow descent escape device 100 of the present invention includes a housing 1, a rotating shaft 2, a central gear 3, a gear transmission assembly 4, a rope drum 5, a rope protection mechanism 8 and a steel wire rope 6, wherein the housing 1 has an accommodating space therein, the rotating shaft 2 is inserted into the housing 1 and pivoted with the housing 1, the central gear 3 is disposed in the accommodating space and fixed on the rotating shaft 2, the rope drum 5 is disposed in the accommodating space, an inner peripheral side of the rope drum 5 is provided with an inner tooth structure 51, the inner tooth structure 51 is located at an outer periphery of the central gear 3, and the gear transmission assembly 4 is engaged between the inner tooth structure 51 and the central gear 3; the rope protection mechanism 8 comprises an inner sleeve 81 and an outer sleeve 82, one end of the inner sleeve 81 is positioned in the accommodating space, the other end of the inner sleeve 81 penetrates through the outer part of the shell 1, the inner sleeve 81 is provided with a first through hole 811, the outer sleeve 82 is positioned on the outer side of the shell 1, and the outer sleeve 82 is in threaded connection with the inner sleeve 81 and fixes the inner sleeve 81 on the shell 1; one end of the steel wire rope 6 is coiled on the rope winding drum 5, and the other end of the steel wire rope 6 penetrates out of the shell 1 through the first through hole 811. The first through hole 811 of the inner sleeve 81 is used for allowing the steel wire rope 6 to penetrate out of the shell 1, so that the steel wire rope 6 is prevented from being worn or broken due to friction contact with the inner wall of the hole of the shell 1, and the steel wire rope 6 is protected. When the wire rope 6 is pulled out from the rope winding drum 5, the wire rope 6 can drive the rope winding drum 5 to rotate by virtue of friction.

Referring to fig. 5 to 8, in the present embodiment, the rope protection mechanism 8 further includes a connecting cylinder 83, the connecting cylinder 83 is fixedly connected to the inner sleeve 81 and located outside the housing 1, the connecting cylinder 83 is provided with a second through hole 831, the second through hole 831 is communicated with the first through hole 811, and the steel wire rope 6 is inserted into the second through hole 831. Furthermore, a guide sleeve 84 is arranged in the second through hole 831, the guide sleeve is provided with a guide hole 841 with the length direction identical to that of the second through hole 831, the two guide holes 841 are communicated with each other, and the steel wire rope 6 penetrates into one of the guide holes 841. Through setting up the uide bushing for when wire rope 6 is shifted by the pulling process, wire rope 6 can shift to another guiding hole 841 from one of them guiding hole 841, guarantees that wire rope 6 also can be correctly guided in the in-process that takes place the skew, improves the security.

Referring to fig. 3 and 4, the gear assembly 4 includes a plurality of transmission gears 41, the transmission gears 41 are disposed between the sun gear 3 and the rope drum 5 along the circumference of the sun gear 3, and the transmission gears 41 are engaged between the internal tooth structure 51 and the sun gear 3. In the present embodiment, the number of the transmission gears 41 is three, and the three transmission gears 41 are uniformly distributed outside the sun gear 3 along the circumferential direction of the sun gear 3, but the number of the transmission gears 41 is not limited thereto.

Referring to fig. 9 and 10, the descent control device 100 of the present invention further includes a friction speed-reducing mechanism 7, wherein the friction speed-reducing mechanism 7 is fixedly connected to the rotating shaft 2; the rotation of the rotating shaft 2 drives the friction speed reducing mechanism 7 to abut against the inner wall of the rope winding drum 5 so as to reduce the speed of the rotation of the rope winding drum 5. Specifically, the friction speed reducing mechanism 7 includes a bracket 71 and a plurality of friction blocks 72, the bracket 71 is fixed on the rotating shaft 2, the bracket 71 has a plurality of connecting arms 711 arranged at intervals, each connecting arm 711 is provided with a friction block 72, and one end of the friction block 72 is pivotally connected to the connecting arm 711. More specifically, the outer end of the connecting arm 711 is bent inward to form a pivot portion 712, and the friction block 72 is pivotally connected to the pivot portion 712. In the present embodiment, the number of the connecting arms 711 and the number of the friction blocks 72 are three, and the three friction blocks 72 are respectively pivoted on the three connecting arms 711. However, the number of the connecting arms 711 and the number of the friction blocks 72 are not limited thereto. When the steel wire rope 6 is pulled out from the rope winding drum 5, the steel wire rope 6 can drive the rope winding drum 5 to rotate by virtue of friction force, the rope winding drum 5 drives the central gear 3 to rotate by virtue of the transmission gear 41 of the gear transmission component 4, so that the central gear 3 drives the rotating shaft 2 to rotate, the support 71 driving the friction speed reduction mechanism 7 rotates, the rotation of the support 71 can generate centrifugal force on the friction block 72 pivoted on the support, the friction block 72 on the connecting arm 711 is swung out by rotating outwards, the friction block 72 is abutted to the inner wall of the rope winding drum 5, and friction resistance is generated on the rope winding drum 5, so that the rotating speed of the rope winding drum 5 is reduced, and the safety of high-altitude escape personnel is ensured.

Referring to fig. 3 and 9, the rope winding drum 5 is hollow, a partition plate 9 is disposed in the rope winding drum 5, the partition plate 9 separates the friction reduction mechanism 7 from the central gear 3 and the gear transmission assembly 4, so that the friction reduction mechanism 7 is disposed on one side of the partition plate 9, and the central gear 3 and the gear transmission assembly 4 are disposed on the other side of the partition plate 9.

Referring to fig. 1 and 2, the sidewall of the housing 1 is provided with an opening 11 communicating with the accommodating space, the rotating shaft 2 extends into the accommodating space through the opening 11, and the end surface of the rotating shaft 2 located at the opening 11 is provided with a driving groove 21 exposed to the outside. When the steel wire rope 6 needs to be recovered, a user can drive the rotating shaft 2 to rotate through the driving groove 21, and the rotating shaft 2 can drive the rope winding drum 5 to rotate reversely through the gear transmission assembly 4, so that the steel wire rope 6 can be wound, and the purpose of recovering the rope is achieved.

With reference to fig. 1 to 10, the specific working principle of the escape apparatus of the present invention is as follows:

when needing to escape from high altitude, the free end of the steel wire rope 6 is fixed in the building, the user can carry on the escape device to carry on high altitude jump escape, the steel wire rope 6 is pulled out from the rope winding drum 5 and drives the rope winding drum 5 to rotate by virtue of friction force, the rope winding drum 5 drives the central gear 3 to rotate by the transmission gear 41 of the gear transmission component 4, so that the central gear 3 drives the rotating shaft 2 to rotate, thereby the support 71 driving the friction speed reducing mechanism 7 rotates, the rotation of the support 71 can generate centrifugal force to the friction block 72 pivoted on the support 71, thereby the friction block 72 on the connecting arm 711 rotates outwards and is thrown out, so that the friction block 72 is collided with the inner wall of the rope winding drum 5, thereby generating friction resistance to the rope winding drum 5, further reducing the rotating speed of the rope winding drum 5, and ensuring the safety of high altitude escape. When the high-altitude escape is finished and the escape device needs to be recycled, the steel wire rope 6 is untied from the building, a driving piece can be clamped on the driving groove 21, the driving piece is rotated and drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the rope winding drum 5 to rotate through the gear transmission component 4, and therefore the steel wire rope 6 is wound.

To sum up, the utility model discloses a ware 100 of fleing slowly falls through set up rope protection mechanism 8 on casing 1, utilizes overcoat 82 and endotheca 81 threaded connection's mode to the endotheca 81 on casing 1 is worn in to the locking, and utilizes the first through-hole 811 of endotheca 81 to supply wire rope 6 to wear out from casing 1's inside, avoids wire rope 6 at the downthehole wall frictional contact with casing 1 and leads to by wearing and tearing or wearing and tearing, thereby protects wire rope 6, improves the safety in utilization of ware 100 of fleing slowly falls.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. A slow descending escape device is characterized by comprising a shell, a rotating shaft, a central gear, a gear transmission assembly, a rope winding drum, a rope protection mechanism and a steel wire rope, wherein an accommodating space is formed in the shell, the rotating shaft penetrates through the shell and is pivoted with the shell, the central gear is arranged in the accommodating space and is fixed on the rotating shaft, the rope winding drum is arranged in the accommodating space, an inner tooth structure is arranged on the inner peripheral side of the rope winding drum and is positioned at the periphery of the central gear, and the gear transmission assembly is meshed between the inner tooth structure and the central gear; the rope protection mechanism comprises an inner sleeve and an outer sleeve, one end of the inner sleeve is positioned in the accommodating space, the other end of the inner sleeve penetrates through the outer part of the shell, the inner sleeve is provided with a first through hole, the outer sleeve is positioned on the outer side of the shell, and the outer sleeve is in threaded connection with the inner sleeve and fixes the inner sleeve on the shell; one end of the steel wire rope is wound on the rope winding drum, and the other end of the steel wire rope penetrates out of the shell through the first through hole.

2. The descent control escape device according to claim 1, wherein the rope protection mechanism further comprises a connecting cylinder, the connecting cylinder is fixedly connected with the inner sleeve and located outside the shell, the connecting cylinder is provided with a second through hole, the second through hole is communicated with the first through hole, and the steel wire rope is arranged in the second through hole in a penetrating manner.

3. The descent control escape device according to claim 2, wherein a guide sleeve is arranged in the second through hole, the guide sleeve is provided with a guide hole having the same length direction as the second through hole, and the two guide holes are communicated with each other.

4. The descent control escape device according to claim 1, wherein the gear transmission assembly comprises a plurality of transmission gears, the transmission gears are arranged between the central gear and the rope winding drum along the circumferential direction of the central gear, and the transmission gears are meshed between the internal tooth structure and the central gear.

5. The descent control escape device according to claim 1, further comprising a friction deceleration mechanism fixedly connected to the rotating shaft; the rotating shaft rotates to drive the friction speed reducing mechanism to abut against the inner wall of the rope winding drum so as to reduce the speed of the rotation of the rope winding drum.

6. The descent control escape device according to claim 5, wherein the friction deceleration mechanism comprises a support and a plurality of friction blocks, the support is fixed on the rotating shaft, the support is provided with a plurality of connecting arms arranged at intervals, each connecting arm is provided with the friction block, and one end of each friction block is pivoted with the connecting arm.

7. The descent control escape device according to claim 6, wherein the outer end of the connecting arm is bent inward to form a pivot portion, and the friction block is pivotally connected to the pivot portion.

8. The descent control escape device according to claim 6, wherein the number of the connecting arms and the number of the friction blocks are three, and the three friction blocks are respectively pivoted on the three connecting arms.

9. The slow descent escape device according to claim 1, wherein an opening communicating with the accommodating space is formed in a side wall of the housing, the rotating shaft extends into the accommodating space through the opening, and a driving groove exposed to the outside is formed in an end face of the rotating shaft, which is located at the opening.