Fire-fighting emergency slow-descent escape device
Technical Field
The utility model relates to the technical field of escape devices, in particular to a fire-fighting emergency slow-descent escape device.
Background
The slow-falling escape device consists of a hook (or a hanging ring), a hanging belt, a rope, speed control and the like, and is a safe rescue device capable of enabling a person to slowly descend along (along with) the rope (the rope), for example, a patent net discloses the slow-falling escape device (publication number: CN 219090901U), when the device is recovered and stretches out and draws back, the damping block is tightly attached to the speed-reducing turntable and is not movable, so that the speed-reducing turntable can influence the movement of the damping block during recovery, and further the stretch-and-draw recovery is very difficult, and therefore, a fire-fighting emergency slow-falling escape device is proposed by a person in the field.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a fire-fighting emergency slow-descent escape device, which solves the problems in the background.
The fire emergency descent control escape device comprises a shell, wherein a speed reducing plate mechanism is arranged in the shell, a rope mechanism is further arranged in the shell, a fixing mechanism is further arranged on the rope mechanism, the speed reducing plate mechanism comprises two bidirectional screws which are rotatably arranged in the shell and are arranged in parallel, a first thread seat is arranged on each thread of each bidirectional screw, an annular speed reducing plate is commonly arranged between the two first thread seats on each same thread, one end of each bidirectional screw extends to the outside of the shell and is provided with a synchronous wheel, synchronous belts are commonly arranged on the two synchronous wheels, and a first knob is arranged at one side of one end of each bidirectional screw.
As a further technical scheme of the utility model, the rope mechanism comprises a winding rod which is rotatably arranged on the inner wall of the shell and is positioned between two bidirectional screws, the diameter of the winding rod is the same as the inner diameter of the annular speed reducing plate, a damping plate which is tightly attached to the adjacent annular speed reducing plate is arranged on the surface of the winding rod between the two annular speed reducing plates, one end of the winding rod extends to the outside of the shell and is provided with a side plate, and a handle is arranged on the side surface of the side plate close to the lower end.
As a further technical scheme of the utility model, a rope is wound on the surface of the winding rod between the two damping plates, one end of the rope is fixedly connected with the winding rod, and the other end of the rope extends to the outside of the shell and is provided with a safety belt.
As a further technical scheme of the utility model, the fixing mechanism comprises an inner cavity arranged in the handle, a unidirectional screw rod is rotatably arranged in the inner cavity, a second thread seat matched with the inner cavity is arranged on the unidirectional screw rod, two clamping grooves are correspondingly arranged on one side of the second thread seat on the side face of the shell, a section of clamping piece extending into the inner cavity and fixedly connected with the second thread seat is arranged in each second thread seat, and one end of the unidirectional screw rod extends to the outside of the handle and is provided with a second knob.
As a further technical scheme of the utility model, a hanging ring is arranged in the center of the upper surface of the shell.
Advantageous effects
The utility model provides a fire-fighting emergency slow-descent escape device. Compared with the prior art, the method has the following beneficial effects:
1. The utility model provides an emergent escape device that slowly falls of fire control, the speed reducer plate of this device's speed reducer plate mechanism can remove, and then when retrieving the rope, can let two speed reducer plates remove and make it not hug closely with adjacent damping plate, and then when retrieving the rope, the speed reducer plate can not influence the rotation of damping plate, and then can not influence the recovery of rope to conveniently retrieve the rope.
2. The utility model provides an emergent escape device that slowly falls of fire control, this device still is provided with fixed establishment, and fixed establishment's fastener card is gone into in the draw-in groove and is fixed the handle when not using to strengthen the stability of winding pole, avoid the winding pole rotation to lead to the rope to expand from it, rotatory second knob simultaneously can be released fixedly, easy operation reduces and expends time.
Drawings
FIG. 1 is a schematic view of a fire emergency slow descent escape device;
FIG. 2 is a side view of a fire emergency slow descent escape device;
FIG. 3 is a cross-sectional view of a fire emergency slow descent escape device;
FIG. 4 is a longitudinal section of a fire emergency slow descent escape device;
fig. 5 is an enlarged view of a portion a in fig. 4.
In the figure, 1, a shell; 2, a bidirectional screw rod, 3, a first screw seat, 4, an annular speed reducing plate, 5, a synchronous wheel, 6, a synchronous belt, 7, a first knob, 8, a winding rod, 9, a damping plate, 10, a side plate, 11, a handle, 12, an inner cavity, 13, a unidirectional screw rod, 14, a second screw seat, 15, a clamping piece, 16, a second knob, 17, a rope, 18 and a hanging ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a fire-fighting emergency slow descent escape device, which comprises a shell 1, wherein a speed reducing plate mechanism is arranged in the shell 1, a rope mechanism is further arranged in the shell 1, a fixing mechanism is further arranged on the rope mechanism, the speed reducing plate mechanism comprises two bidirectional screws 2 which are rotatably arranged in the shell 1 and are arranged in parallel, a first thread seat 3 is arranged on each thread of each bidirectional screw 2, an annular speed reducing plate 4 is commonly arranged between the two first thread seats 3 on each same thread, one end of each bidirectional screw 2 extends to the outside of the shell 1 and is provided with a synchronous wheel 5, a synchronous belt 6 is commonly arranged on the two synchronous wheels 5, one end of one bidirectional screw 2 is provided with a first knob 7 on one side of the synchronous wheel 5, the corresponding bidirectional screw 2 is driven to rotate by rotating the first knob 7, then the rotating bidirectional screw 2 drives the other bidirectional screw 2 to rotate in the same direction through the synchronous wheel 5 and the synchronous belt 6, and further drives the two first thread seats 3 on each bidirectional screw 2 to be mutually far away from the annular speed reducing plate 4, and simultaneously, and the two annular speed reducing plates 4 can be mutually wound to be separated from the annular speed reducing plate 4, and the damping plates can not be tightly wound on the annular speed reducing plate 4, and the damping plates can be prevented from being mutually wound by the annular speed reducing plates 17.
The rope mechanism comprises a winding rod 8 which is rotatably arranged on the inner wall of a shell 1 and is positioned between two bidirectional screws 2, the diameter of the winding rod 8 is the same as the inner diameter of an annular speed reducing plate 4, a damping plate 9 which is closely attached to the adjacent annular speed reducing plate 4 is arranged on the surface of the winding rod 8 between the two annular speed reducing plates 4, one end of the winding rod 8 extends to the outside of the shell 1 and is provided with a side plate 10, the side surface of the side plate 10 is close to the lower end, a grip 11 is arranged on the side surface of the side plate 10, a rope 17 is wound on the surface of the winding rod 8 between the two damping plates 9, one end of the rope 17 is fixedly connected with the winding rod 8, the other end of the rope 17 extends to the outside of the shell 1 and is provided with a safety belt, the center of the upper surface of the shell 1 is provided with a hanging ring 18, the whole device is hung on a cross rod on a building wall through the hanging ring 18, the safety belt is worn on the body by a user, when the user drops freely, the rope 17 is unfolded from the winding rod 8, the corresponding damping plate 9 is closely attached to the side plate 4, the rotating winding rod 8 is driven by the rotating body, and the rotating ring 9 is driven by the rotating winding rod 4, and the rotating body is slowly, and the rotating winding rod is reduced to the rotating body 4.
The fixing mechanism comprises an inner cavity 12 arranged in the grip 11, a unidirectional screw rod 13 is rotatably arranged in the inner cavity 12, a second thread seat 14 matched with the inner cavity 12 is arranged on the unidirectional screw rod 13, two clamping grooves are correspondingly formed in one side of the second thread seat 14 on the side face of the shell 1, a section of clamping piece 15 extending into the inner cavity 12 and fixedly connected with the second thread seat 14 is arranged in each second thread seat 14, one end of the unidirectional screw rod 13 extends to the outside of the grip 11 and is provided with a second knob 16, the unidirectional screw rod 13 is driven to rotate by rotating the second knob 16, and the rotating unidirectional screw rod 13 drives the second thread seat 14 to move to drive the two clamping pieces 15 to move out of the clamping grooves, so that the fixing of the winding rod 8 can be relieved.
The utility model has the working principle that the whole device is hung on a cross rod on a building wall through a hanging ring 18, when a fire hazard needs to escape, the second knob 16 is rotated to drive the unidirectional screw 13 to rotate, the rotating unidirectional screw 13 drives the second screw seat 14 to move to drive the two clamping pieces 15 to move out of the clamping grooves, the fixation of the winding rod 8 can be released, a user wears the safety belt on the user, the user drops from the building, the winding rod 8 is rotated by the generated gravity when the user drops freely, so that the rope 17 is unfolded from the winding rod 8, and as the two annular speed reducing plates 4 are clung to the corresponding damping plates 9, each annular speed reducing plate 4 can play a damping role in the rotation of the damping plates 9 clung to the rotation of the winding rod, so that the rotation speed of the winding rod 8 is reduced, the user drops to the ground slowly, and the escape purpose is achieved;
When the device is recovered, the first knob 7 is rotated to drive the corresponding bidirectional screw rod 2 to rotate, then the rotating bidirectional screw rod 2 drives the other bidirectional screw rod 2 to rotate in the same direction through the synchronous wheel 5 and the synchronous belt 6, and then the two first thread seats 3 on each group of bidirectional screw rods 2 are driven to be far away from each other, the two annular speed reduction plates 4 can be driven to be far away from each other, then the winding rod 8 is rotated through the side plate 10 and the handle 11, the rope 17 is wound on the winding rod 8 again, meanwhile, each annular speed reduction plate 4 is not clung to the damping plate 9, the annular speed reduction plate 4 cannot play a damping role on the rotating winding rod 8 of the recovery rope 17, the recovery rope 17 is convenient to recover, then the two clamping pieces 15 are aligned with the clamping grooves, the reversing second knob 16 drives the unidirectional screw rod 13 to reversely drive the two clamping pieces 15 to be clamped into the clamping grooves again, the winding rod 8 is fixed, and the operation is completed.