CN211169387U

CN211169387U - Self-rescue escape device for elevator

Info

Publication number: CN211169387U
Application number: CN201921750618.4U
Authority: CN
Inventors: 汪燕
Original assignee: Shanghai Hangling Aviation Technology Development Co ltd
Current assignee: Shanghai Hangling Aviation Technology Development Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-08-04
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to an elevator escape device that saves oneself, including embedded emergency ladder, locate the escape window on elevator car's top, locate a plurality of layers of through-holes on elevator car's the wall body, imbed bearing on elevator car's the wall body and be used for controlling every layer of ladder edge of embedded emergency ladder the through-hole stretches into or shifts out elevator car's ball screw mechanism, ball screw mechanism includes the lead screw, with the ball screw nut that lead screw thread fit is connected and fix the handle on ball screw nut, the handle is located in the elevator car, be equipped with a bearing in elevator car's the panel, the outer lane of bearing is fixed or is inlayed in elevator car's panel, the inner circle fixedly connected with of bearing ball screw nut. After adopting above-mentioned structure, its beneficial effect is: simple structure, with low costs, control is convenient, and stranded personnel adopt this elevator escape device that saves oneself, can realize saving oneself.

Description

Self-rescue escape device for elevator

Technical Field

The utility model belongs to the technical field of the elevator, specific theory is about an elevator escape device that saves oneself.

Background

With the improvement of living standard of people, the traction type elevator is being widely applied. Although the conventional traction elevator is extremely perfect in safety, the situation that passengers are trapped in a car due to failure of the elevator cannot be avoided. At present, the conventional method is to arrange an alarm, and after the alarm is pressed down, passengers wait for rescue in a car, but if network signals in the car are interfered and elevator faults are not found in time in building property, the passengers are likely to be trapped for a long time, and if the passengers have poor physical bodies, serious consequences can be caused. For this reason, more and more people are beginning to research elevator self-rescue escape devices.

For example, chinese patent document CN208829056U discloses an intelligent building elevator escape device, which is mainly a device for lifting an elevator by manually shaking. The rotating rod is fixed with a rope disc and a transmission device. When the elevator cage is used, the rotating rod is operated by the force of hands, so that the whole elevator cage is controlled to move up and down. Therefore, the elevator lifting device only can move the elevator up and down, but cannot allow trapped people to escape by themselves, secondary accidents can be caused by improper operation in the lifting process, the structure of the whole self-rescue device is complex, and the maintenance cost is high.

If like again, chinese patent document CN208916551U discloses a vertical lift elevator escape device, this device is equipped with the cat ladder subassembly in elevator car's inside, be equipped with the window of fleing at elevator car's top, be equipped with the groove of fleing in elevator car's outside, the groove of fleing is located on the wall of elevartor shaft, be equipped with a plurality of ladder board, calling set, megaphone in the groove of fleing, wherein calling set, megaphone are connected with the external world, though the device of saving oneself can let the people climb out elevator car to the groove of fleing, then send distress signal to the external world through the device of seeking help. However, the whole device is too complex in structure, and a distress signal device and an escape slot need to be installed on each floor, so that the cost is high. Moreover, the escape device still cannot allow trapped people to escape in a self-rescue manner.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, the convenient escape device that saves oneself of elevator of control to solve current escape device that saves oneself's of elevator complicated structure, operate inconvenient, with high costs problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an elevator escape device that saves oneself, including embedded emergency ladder, locate the escape window on the top of elevator car, locate a plurality of layers of through-holes on the wall body of elevator car, imbed the bearing on the wall body of elevator car and be used for controlling every layer ladder edge of embedded emergency ladder the ball screw mechanism that the through-hole stretched into or removed the elevator car, ball screw mechanism includes the lead screw, the ball screw nut who is connected with lead screw thread fit and fixes the handle on ball screw nut, the handle is located in the elevator car, during the use, drives the rotation of ball screw nut through rotatory handle to the seesaw of control lead screw, and then the ladder of controlling embedded emergency ladder stretches into or removes the elevator car, be equipped with a bearing in the panel of elevator car, the outer lane of bearing is fixed or is inlayed in the panel of elevator car, the inner ring of the bearing is fixedly connected with the ball screw nut.

According to the utility model discloses, embedded emergency ladder is including supporting the pole setting and fixing a plurality of ladders in supporting the pole setting, outside the elevator car was located to the support pole setting, and the middle part that supports the pole setting links together through mountings such as bolt with the lead screw.

Furthermore, in order to avoid that the ladder of the embedded escape ladder has larger friction when stretching into or moving out of the elevator car, the longitudinal section of the through hole is square, and the height and the width of the through hole are slightly larger than the width and the height of the ladder.

According to the utility model, the handle is a bending handle. Under the condition of not using, can bend, do not influence the space of the lift, it is elegant in appearance that its design; at the same time, the passenger is not touched. When the device is needed, the device is rotated to be perpendicular to the wall surface.

Further, the handle includes fixed disk and handle, fixed disk and handle rotatable coupling, be equipped with one or more erection column on the terminal surface of fixed disk, be equipped with first mounting hole in the erection column, be equipped with breach, second mounting hole and third mounting hole on the handle, second mounting hole and third mounting hole set up relatively, the one end that handle and fixed disk are connected is located to breach, second mounting hole, third mounting hole, first mounting hole, second mounting hole and third mounting hole respectively with a circle axle phase-match, the circle axle passes the second mounting hole of handle, the first mounting hole on the erection column and the third mounting hole of handle in proper order to link together fixed disk and handle, the breach is a little higher than the erection column of fixed disk to in rotation.

Furthermore, the fixed disc is connected with a ball screw nut on the ball screw mechanism through a fixing piece.

According to the utility model discloses, the elevator escape device that saves oneself still is including being used for driving the ball screw nut pivoted drive arrangement on the lead screw.

Further, drive arrangement includes motor, drive sprocket and driven sprocket, drive sprocket locates on the drive shaft of motor, driven sprocket cover is established on the fixed disk of handle, driven sprocket passes through the chain with drive sprocket and is connected.

According to the utility model discloses, elevator car's top still is equipped with the slide rail of two relative settings, the bottom of window of fleing is equipped with the pulley, the window of fleing is installed with two slide rail cooperations.

The utility model discloses an elevator escape device that saves oneself, its beneficial effect is: the embedded escape ladder is simple in structure, low in cost and convenient to control, and can be manually operated or driven by a driving motor to extend into the elevator car. Meanwhile, when the electric power of the driving device is insufficient, the handle can be rotated by manual operation, so that the escape ladder is driven to stretch into or move out, and the complete self-rescue escape is realized.

Drawings

Fig. 1 is a schematic structural view of the self-rescue escape device for the elevator of the utility model.

Fig. 2 is a partial schematic view of the elevator self-rescue escape device.

Fig. 3 is another partial schematic view of the self-rescue escape device of the elevator.

Fig. 4 is a schematic view of the structure of the ball screw nut and bearing connection.

Fig. 5 is a schematic structural view of the grip.

Fig. 6 is a perspective view of the grip.

Fig. 7 is a schematic view showing the construction of an escape window provided at the top of an elevator car.

Detailed Description

The self-rescue escape device for the elevator of the utility model is further described in detail below with reference to the specific drawings.

As shown in fig. 1, 2 and 3, the self-rescue and escape device for elevator of the present invention comprises an embedded escape ladder 1, an escape window 2 disposed at the top end of an elevator car 10, a longitudinal row of rectangular through holes 3 disposed on the wall of the elevator car 10, a bearing 4 embedded on the wall of the elevator car 10, and a ball screw mechanism 5 for controlling each step 11 of the embedded escape ladder 1 to extend into or move out of the elevator car 10 along the rectangular through holes 3, the ball screw mechanism 5 comprises a screw 51, a ball screw nut 52 in threaded fit connection with the screw 51, and a grip 53 fixed on the ball screw nut 52, the handle 53 is arranged in the elevator cage 10, when in use, the ball screw nut 52 is driven to rotate by rotating the handle 53, thereby controlling the forward and backward movement of the screw 51 and thus the extension and removal of the steps 11 of the embedded escape ladder 1 into and out of the elevator car 10. As shown in fig. 4, a bearing 4 is disposed in the left side panel, the right side panel or the rear side panel of the elevator car 10, an outer ring 41 of the bearing 4 is fixed or embedded in the left side panel, the right side panel or the rear side panel of the elevator car 10, and an inner ring 42 of the bearing 4 is fixedly connected with the ball screw nut 52. The bearing 4 is provided to support the movement of the ball screw mechanism 5. The ball screw nut 52 and the bearing 4 can be fixed by a conventional fixing method of the shaft and the bearing 4, for example, a key groove is formed on the inner wall of the bearing 4, a key groove is formed on the outer wall of the ball screw nut 52, and then a key bar 43 is inserted into the key groove of the ball screw nut 52 of the bearing 4, thereby fixing the inner race of the bearing and the ball screw nut 52 together. It should be noted that the thickness of the position in the elevator car 10 where the bearing 4 and the ball screw mechanism 5 are installed may be set relatively large, or a bracket may be separately protruded to ensure good supporting force.

As shown in fig. 1, when the step 11 of the embedded escape ladder 1 is moved out of the elevator car, the end surface of the step 11 is exactly coincided with the wall of the elevator car 10 in parallel, and the normal use space of the elevator is not influenced; as shown in fig. 2, when the steps 11 of the built-in escape ladder 1 are extended into the elevator car 10, the steps 11 are extended by a length that allows people to climb up to the escape window 2.

As shown in fig. 1 and 2, the embedded escape ladder 1 comprises a supporting vertical rod 12 and a plurality of layers of steps 11, wherein the steps 11 are connected with the supporting vertical rod 12 through fixing parts, the supporting vertical rod 12 is arranged outside the elevator car 10, and the middle part of the supporting vertical rod 12 is connected with a screw rod 51 through fixing parts such as bolts.

In order to avoid a large friction when the steps 11 of the built-in escape ladder 1 are inserted into or removed from the elevator car 10, the height and width of the through holes are slightly larger than the width and height of the steps.

The screw rod 51 is inserted between two steps of the embedded escape ladder 1, and when the steps extend into the elevator car 10, the handle 53 is arranged between the two steps of the embedded escape ladder 1.

As shown in fig. 5, the grip 53 is a bent grip. Under the condition of not using, can bend, do not influence elevator space, pleasing to the eye design. When in use, the utility model is vertical to the wall surface.

As shown in fig. 5 and 6, the grip 53 includes a fixed disc 531 and a handle 532, the fixed disc 531 is rotatably connected with the handle 532, one or more mounting posts 533 are arranged on the end surface of the fixed disk 531, a first mounting hole is arranged in each mounting post 533, the handle 532 is provided with a notch 534, a second mounting hole and a third mounting hole, the second mounting hole and the third mounting hole are oppositely arranged, the notch 534, the second mounting hole and the third mounting hole are arranged at one end of the handle 532 connected with the fixed disk 531, the notch 534 is slightly higher than the mounting column 533 of the fixed disk 531, so as to be rotated, the first mounting hole, the second mounting hole and the third mounting hole are respectively matched with a circular shaft 535, the circular shaft 535 passes through the second mounting hole of the handle 532, the first mounting hole of the mounting post 533 and the third mounting hole of the handle 532 in this order, thereby connecting the fixed disk 531 and the handle 532 together.

As shown in fig. 4, the ball screw nut 52 is provided with a mounting hole 520 on an end surface thereof. At least 3 fixing members (e.g., bolts, etc.) pass through the mounting holes 520 and the mounting holes of the fixing plate 531 of the grip 53, and the fixing plate 531 of the grip 53 and the ball screw nut 52 of the ball screw mechanism 5 are fixedly connected together.

As shown in fig. 1 and 3, the self-rescue escape device for the elevator further comprises a driving device 54 for driving the ball screw nut 52 on the screw 51 to rotate. The driving device 54 includes a motor 541, a driving sprocket 542 and a driven sprocket 543, the driving sprocket 542 is disposed on a driving shaft of the motor 541, the driven sprocket 543 is sleeved on a fixing disc 531 of the grip 53, and the driven sprocket 543 is connected with the driving sprocket 542 through a chain 544. The motor 541 may be fixed to an outer wall of the elevator car 10. It should be noted that the car wall of the elevator car 10 is provided with a receiving cavity for receiving the driving device 54, so as to ensure good safety performance.

As shown in fig. 7, two opposite sliding rails 6 are further disposed on the top of the elevator car 10, a pulley (not shown) is disposed at the bottom of the escape window 2, and the escape window 2 is installed in cooperation with the two sliding rails 6. Due to the arrangement of the pulleys, when the escape window 2 is pulled by external force, the escape window 2 can slide relative to the sliding rail 6. The sliding rail 6 and the pulley are arranged in a matching way, so that the escape window 2 can be opened conveniently, and labor is saved. It is understood that the sliding rails 6 can be arranged on top of the inner wall of the elevator car 10 as well as on top of the outer wall of the elevator car 10. When the slide rail 6 is disposed on the top of the outer wall of the elevator car 10, the opening direction of the escape window 2 can be indicated on the lower end surface of the escape window 2, so that the escape window 2 can be conveniently opened.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention. Such modifications and finishes are also to be considered as the scope of protection of the present invention.

Claims

1. The utility model provides an elevator escape device that saves oneself, a serial communication port, including embedded emergency ladder, locate the escape window on elevator car's top, locate a plurality of layers of through-holes on elevator car's the wall body, imbed the bearing on elevator car's wall body and be used for controlling every layer of ladder edge of embedded emergency ladder the through-hole stretches into or shifts out elevator car's ball screw mechanism, ball screw mechanism includes the lead screw, with the ball screw nut that lead screw thread fit is connected and fix the handle on ball screw nut, the handle is located in the elevator car, be equipped with a bearing in elevator car's the panel, the outer lane of bearing is fixed or is inlayed in elevator car's panel, the inner circle fixedly connected with of bearing ball screw nut.

2. An elevator self-rescue escape device as defined in claim 1, wherein the embedded escape ladder comprises a supporting vertical rod and a plurality of steps fixed on the supporting vertical rod, the supporting vertical rod is arranged outside the elevator car, and the middle part of the supporting vertical rod is connected with the screw rod through a fixing piece.

3. An elevator self-rescue escape device as defined in claim 1, wherein said handle is a bent handle.

4. An elevator self-rescue escape device as defined in claim 3, wherein the handle comprises a fixed disk and a handle, and the fixed disk is rotatably connected with the handle.

5. An elevator self-rescue escape device as defined in claim 4, wherein one or more mounting posts are provided on the end face of the fixed disk, first mounting holes are provided in the mounting posts, the handle is provided with a notch, a second mounting hole and a third mounting hole, the second mounting hole and the third mounting hole are arranged oppositely, the notch, the second mounting hole and the third mounting hole are provided at one end of the handle connected with the fixed disk, the first mounting hole, the second mounting hole and the third mounting hole are respectively matched with a circular shaft, the circular shaft passes through the second mounting hole of the handle, the first mounting hole on the mounting post and the third mounting hole of the handle in sequence, thereby connecting the fixed disk and the handle together, and the notch is slightly higher than the mounting post of the fixed disk.

6. An elevator self-rescue escape device as defined in claim 4 or 5, wherein the fixed disc is connected with a ball screw nut of the ball screw mechanism through a fixing member.

7. An elevator self-rescue escape device as defined in claim 6, further comprising a driving device for driving rotation of the ball screw nut on the screw.

8. An elevator self-rescue escape device as defined in claim 7, wherein the driving device comprises a motor, a driving sprocket and a driven sprocket, the driving sprocket is arranged on a driving shaft of the motor, the driven sprocket is sleeved on a fixed disk of the handle, and the driven sprocket is connected with the driving sprocket through a chain.

9. An elevator self-rescue escape device as defined in claim 1, wherein the top of the elevator car is further provided with two oppositely arranged slide rails, the bottom of the escape window is provided with pulleys, and the escape window is installed in cooperation with the two slide rails.