阅读说明：本技术 一种垂直升降电梯安全防坠落安全保护装置 (Safety protection device for preventing vertical lift elevator from falling safely ) 是由 杜陈晨 于 2021-09-09 设计创作，主要内容包括：本发明涉及电梯安全技术领域,且公开了一种垂直升降电梯安全防坠落安全保护装置,包括电梯井,所述电梯井内部活动连接有电梯,所述电梯左右两端固定连接有连接块,所述连接块远离电梯的一侧活动连接有转动板,所述电梯井内壁且靠近转动板的一侧固定安装有限速块,所述连接块顶部固定连接有移动杆,所述移动杆顶部固定连接有压缩弹簧,所述压缩弹簧底部活动连接有活动杆。通过随着压力杆的移动,从而带动摩擦块一起移动,使得摩擦块向远离压力杆的方向移动,从而与电梯井内部相接触,进而产生摩擦力,从而减小电梯下滑的速度,从而达到当电梯发生故障时,内部自动进行减速,防止发生危险的效果。(The invention relates to the technical field of elevator safety, and discloses a safety protection device for preventing a vertical lift elevator from falling safely, which comprises an elevator shaft, wherein the elevator shaft is movably connected with an elevator, the left end and the right end of the elevator are fixedly connected with connecting blocks, one side, far away from the elevator, of each connecting block is movably connected with a rotating plate, one side, close to the rotating plate, of the inner wall of the elevator shaft is fixedly provided with a speed limiting block, the top of each connecting block is fixedly connected with a moving rod, the top of each moving rod is fixedly connected with a compression spring, and the bottom of each compression spring is movably connected with a moving rod. Through the removal along with the pressure pole to drive the friction block and remove together, make the friction block to the direction of keeping away from the pressure pole and remove, thereby contact with the elevartor shaft is inside, and then produce frictional force, thereby reduce the speed that the elevator slided, thereby reach when the elevator breaks down, inside automatic speed reduction prevents to take place dangerous effect.)

1. The utility model provides a vertical lift elevator safety prevents safety arrangement that falls, includes elevartor shaft (1), its characterized in that: the elevator shaft (1) is movably connected with an elevator (2), the left end and the right end of the elevator (2) are fixedly connected with connecting blocks (3), one side of each connecting block (3), which is far away from the elevator (2), is movably connected with a rotating plate (4), one side, which is close to the rotating plate (4), of the inner wall of the elevator shaft (1) is fixedly provided with a speed limiting block (5), the top of each connecting block (3) is fixedly connected with a moving rod (6), the top of each moving rod (6) is fixedly connected with a compression spring (7), the bottom of the compression spring (7) is movably connected with a moving rod (8), the bottom of each moving rod (8) is movably connected with a pressure rod (9), the bottom of each pressure rod (9) is movably connected with a reset spring (10), one side, which is far away from the reset spring (10), of each pressure rod (9) is fixedly connected with a friction block (11), one side, which is far away from the rotating plate (4), of each moving rod (6) is movably connected with a connecting rod (12), one side swing joint that the tie rod (12) kept away from the carriage release lever (6) has breather plate (13), breather plate (13) top swing joint has upper cover plate (14), the one end swing joint that the carriage release lever (6) was kept away from in breather plate (13) has push rod (15), push rod (15) top fixedly connected with guide bar (16), guide bar (16) left and right sides swing joint has ejector pin (17), one side swing joint that guide bar (16) were kept away from in ejector pin (17) has guide pillar (18), guide pillar (18) surface swing joint has extension spring (19), one side fixedly connected with trigger block (20) that guide bar (16) were kept away from in guide pillar (18), one side swing joint that guide pillar (18) were kept away from in trigger block (20) has button (21).

2. The safety protection device of claim 1, wherein: the two pressure rods (9) are symmetrical left and right about the center line of the interior of the elevator shaft (1).

3. The safety protection device of claim 1, wherein: the top of the rotating plate (4) is fixedly connected with a volute spiral spring, and baffles are fixedly installed at the front end and the rear end of the rotating plate (4).

4. The safety protection device of claim 1, wherein: the speed limiting blocks (5) are semicircular, and the number of the speed limiting blocks (5) is six and is evenly distributed on the inner wall of the elevator shaft (1).

5. The safety protection device of claim 1, wherein: the friction block (11) is made of wear-resistant materials and is positioned at the bottom of the movable rod (8).

6. The safety protection device of claim 1, wherein: the upper cover plate (14) is internally provided with a hole, the vent plate (13) is internally provided with a hole, and the hole in the upper cover plate (14) and the hole in the vent plate (13) are staggered.

7. The safety protection device of claim 1, wherein: the upper cover plate (14) is positioned at the top of the elevator (2), and the number of the vent plates (13) is two, and the vent plates are bilaterally symmetrical about the center line of the elevator (2).

8. The safety protection device of claim 1, wherein: the guide post (18) is symmetrical left and right about the center line of the interior of the elevator (2), and the guide post (18) is positioned at the upper end of the upper cover plate (14).

9. The safety protection device of claim 1, wherein: the upper end of the upper cover plate (14) is located at the upper end of the elevator (2) and provided with a notch, the trigger block (20) is located at the upper end of the notch, and an internal circuit of the button (21) is communicated with an internal circuit of the alarm.

Technical Field

The invention relates to the technical field of elevator safety, in particular to a safety protection device for preventing a vertical lift elevator from falling safely.

Background

With the development of modern industry, buildings of high-rise buildings are more and more, and in order to be convenient for traveling, an elevator is generally communicated in the high-rise buildings, so that the time is saved, and with the gradual generalization of the use of the elevator, the maintenance of the elevator is also more important.

However, the elevator is aged in the interior sometimes, so that a fault is easy to occur in the lifting process, if the elevator falls down extremely quickly, people in the elevator are easy to be injured, the modern elevator does not have a good protection measure, meanwhile, when the elevator moves at a high speed, the exchange rate of internal air is low, the people in the elevator are easy to feel urgent, and meanwhile, when the elevator is in an accident, the people in the elevator are out of the way of alarming and seeking help due to panic and mismeasure at the moment, and the rescue time is easy to miss.

Therefore, the demand for high-reliability products is urgent, and the safety protection device for preventing the elevator from falling safely is provided, so that the safety protection device has the effects that when the elevator breaks down, the interior of the elevator automatically decelerates to prevent danger, and meanwhile, when the elevator breaks down, the air convection in the elevator is automatically increased.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a safety protection device for preventing falling of a vertical lift elevator, which has the advantages that when the elevator breaks down, the interior of the elevator automatically decelerates to prevent danger, and when the elevator breaks down, the air convection in the elevator is automatically increased, so that the problem that the elevator is easy to break down in the lifting process due to the internal aging is solved, and if the elevator falls down at an extremely high speed, personnel in the elevator are easy to be injured, and modern elevators do not have good protection measures, and meanwhile, when the elevator moves at a high speed, the internal air exchange rate is low, so that the elevator personnel are easy to feel urgent.

(II) technical scheme

In order to realize the purposes that when the elevator breaks down, the interior of the elevator automatically decelerates to prevent danger, and when the elevator breaks down, the air convection in the elevator is automatically increased, the invention provides the following technical scheme: a safety protection device for preventing a vertical lift elevator from falling safely comprises an elevator shaft, wherein the elevator shaft is movably connected with an elevator, connecting blocks are fixedly connected with the left end and the right end of the elevator, one side, far away from the elevator, of each connecting block is movably connected with a rotating plate, one side, close to the rotating plate, of the inner wall of the elevator shaft is fixedly provided with a speed limiting block, the top of each connecting block is fixedly connected with a moving rod, the top of each moving rod is fixedly connected with a compression spring, the bottom of each compression spring is movably connected with a moving rod, the bottom of each moving rod is movably connected with a pressure rod, the bottom of each pressure rod is movably connected with a return spring, one side, far away from the return spring, of each pressure rod is fixedly connected with a friction block, one side, far away from the rotating plate, of each moving rod is movably connected with a connecting rod, one side, far away from the moving rod, of each connecting rod is movably connected with a vent plate, and the top of each vent plate is movably connected with an upper cover plate, the one end swing joint that the lifter was kept away from to the breather plate has the push rod, push rod top fixedly connected with guide bar, the guide bar left and right sides swing joint has the ejector pin, one side swing joint that the guide bar was kept away from to the ejector pin has the guide pillar, guide pillar surface swing joint has extension spring, one side fixedly connected with trigger block that the guide pillar was kept away from to the guide pillar, one side swing joint that the guide pillar was kept away from to the trigger block has the button.

Further, the pressure rods are two in number and are symmetrical left and right about the center line of the interior of the elevator shaft.

Furthermore, the top of the rotating plate is fixedly connected with a volute spiral spring, and the front end and the rear end of the rotating plate are fixedly provided with baffles.

Furthermore, the speed limiting blocks are semicircular, and the number of the speed limiting blocks is six, and the speed limiting blocks are evenly distributed on the inner wall of the elevator shaft.

Furthermore, the friction block is made of wear-resistant materials and is positioned at the bottom of the movable rod.

Furthermore, the upper cover plate is internally provided with a hole, the vent plate is internally provided with a hole, and the hole in the upper cover plate and the hole in the vent plate are staggered.

Further, the upper cover plate is positioned at the top of the elevator, and the number of the vent plates is two, and the vent plates are symmetrical left and right about the center line of the elevator.

Furthermore, the guide posts are bilaterally symmetrical about the center line in the elevator, and the guide posts are positioned at the upper end of the upper cover plate.

Furthermore, the upper end of the upper cover plate is located at the upper end of the elevator and provided with a notch, the trigger block is located at the upper end of the notch, and the internal circuit of the button is communicated with the internal circuit of the alarm.

(III) advantageous effects

Compared with the prior art, the invention provides a safety protection device for preventing a vertical elevator from falling, which has the following beneficial effects:

1. this safety arrangement that falls is prevented to vertical lift elevator safety is through the removal along with the pressure pole to drive the friction block and remove together, make the friction block to the direction removal of keeping away from the pressure pole, thereby contact with the elevartor shaft is inside, and then produce frictional force, thereby reduce the speed that the elevator slided, thereby reach when the elevator breaks down, inside automatic speed reduction prevents to take place dangerous effect.

2. This safety arrangement that falls is prevented to vertical lift elevator safety is through upwards moving along with the carriage release lever to there is an inference to the connecting rod, makes the connecting rod promote the air vent plate and removes to the direction of keeping away from compression spring, along with the removal of air vent plate, thereby staggers mutually with the inside hole of upper cover plate, increases the inside and outside air of elevator and exchanges, thereby reaches when the elevator breaks down, increases the effect of the inside air convection current of elevator automatically.

3. This safety arrangement that falls is prevented to vertical lift elevator safety, upward to the ejector pin bottom have a thrust through the guide bar, make ejector pin rebound, and then promote the guide pillar to the direction removal of keeping away from the ejector pin, the guide pillar has a pressure to extension spring this moment, make the interior atress compression of extension spring, thereby inside gathering elastic potential energy, prepare for the reseing of guide pillar, simultaneously along with the removal of guide pillar, and then drive the direction removal that triggers the piece to the button, thereby press the button, thereby reach when the elevator breaks down, the inside automatic effect of carrying out the police dispatch newspaper to the outside of elevator.

Drawings

FIG. 1 is a front view of the housing construction of the present invention;

fig. 2 is a partial schematic view of the elevator structure of the present invention;

FIG. 3 is a partial schematic view of the travel bar configuration of the present invention;

FIG. 4 is a partial schematic view of a putter in accordance with the present invention;

FIG. 5 is a partial schematic diagram of a trigger block structure according to the present invention;

FIG. 6 is an enlarged view of a portion of the structure of the present invention at A in FIG. 1;

FIG. 7 is a partial schematic view of a pressure bar construction according to the present invention;

FIG. 8 is a partial schematic view of the friction block structure of the present invention.

In the figure: 1. an elevator shaft; 2. an elevator; 3. connecting blocks; 4. a rotating plate; 5. a speed limit block; 6. a travel bar; 7. a compression spring; 8. a movable rod; 9. a pressure lever; 10. a return spring; 11. a friction block; 12. a connecting rod; 13. a breather plate; 14. an upper cover plate; 15. a push rod; 16. a guide bar; 17. a top rod; 18. a guide post; 19. an extension spring; 20. a trigger block; 21. a button.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-3, a safety protection device that falls is prevented to vertical lift elevator safety, including elevartor shaft 1, the inside swing joint of elevartor shaft 1 has elevator 2, both ends fixedly connected with connecting block 3 about elevator 2, one side swing joint that connecting block 3 kept away from elevator 2 has rotor plate 4, 4 top fixedly connected with volute spiral spring of rotor plate, 4 front and back end fixed mounting of rotor plate have the baffle, one side fixed mounting that the elevartor shaft 1 inner wall just is close to rotor plate 4 has speed limit piece 5, speed limit piece 5 is semicircular, speed limit piece 5 has six, the average distribution is at elevartor shaft 1 inner wall.

Referring to fig. 7, a moving rod 6 is fixedly connected to the top of a connecting block 3, a compression spring 7 is fixedly connected to the top of the moving rod 6, a movable rod 8 is movably connected to the bottom of the compression spring 7, a pressure rod 9 is movably connected to the bottom of the movable rod 8, the number of the pressure rods 9 is two, and the two pressure rods are bilaterally symmetrical with respect to the center line inside the elevator shaft 1, a return spring 10 is movably connected to the bottom of the pressure rod 9, a friction block 11 is fixedly connected to one side of the pressure rod 9, which is far away from the compression spring 10, and the friction block 11 is made of a wear-resistant material and is located at the bottom of the movable rod 8.

Referring to fig. 4, one side of the moving rod 6, which is away from the rotating plate 4, is movably connected with a connecting rod 12, one side of the connecting rod 12, which is away from the moving rod 6, is movably connected with a vent plate 13, the top of the vent plate 13 is movably connected with an upper cover plate 14, the upper cover plate 14 is located at the top of the elevator 2, a hole is formed in the upper cover plate 14, a hole is formed in the vent plate 13, and the hole in the upper cover plate 14 is staggered with the hole in the vent plate 13.

Referring to fig. 5, one end of the vent plate 13, which is away from the moving rod 6, is movably connected with a push rod 15, the top of the push rod 15 is fixedly connected with a guide rod 16, the left and right sides of the guide rod 16 are movably connected with ejector rods 17, one side of the ejector rod 17, which is away from the guide rod 16, is movably connected with a guide post 18, the outer surface of the guide post 18 is movably connected with an extension spring 19, one side of the guide post 18, which is away from the guide rod 16, is fixedly connected with a trigger block 20, and one side of the trigger block 20, which is away from the guide post 18, is movably connected with a button 21.

The working principle is that when the elevator breaks down and falls down emergently, the falling speed of the elevator is increased at the moment, so that the front baffle and the rear baffle of the rotating plate 4 are influenced by wind power and blown to rotate around the upper end of the rotating plate 4 upwards, so that when the rotating plate 4 rotates, one end of the rotating plate 4, which is far away from the connecting block 3, is contacted with the speed limiting block 5, so that a blocking force is exerted on the rotating plate 4, the moving speed of the rotating plate 4 is reduced, meanwhile, the rotating plate 4 has an upward thrust force on the connecting block 3 to push the connecting block 3 to move upwards, and further has an upward tension force on the movable rod 8, so that the upper end of the movable rod 8 moves upwards, and because the movable rod 8 is an inclined rod, the movable rod 8 has a thrust force on the pressure rod 9 to move towards one side close to the friction block 11, so that the reset spring 10 has a thrust force to compress the interior of the reset spring 10, inside gathering elastic potential energy prepares for the reseing of pressure pole 9, simultaneously along with the removal of pressure pole 9 to drive the friction block 11 and remove together, make friction block 11 remove to the direction of keeping away from pressure pole 9, thereby contact with 1 inside of elevartor shaft, and then produce frictional force, thereby reduce the speed that 2 glides of elevator, thereby reach when the elevator breaks down, inside automatic speed reduction prevents to take place dangerous effect.

Simultaneously along with connecting block 3 downstream, thereby drive carriage release lever 6 downstream together, and then there is a pulling force to compression spring 7, make the inside atress of compression spring 7 tensile, thereby inside gathering elastic potential energy, prepare for the reseing of carriage release lever 6, along with carriage release lever 6 rebound, thereby there is an inference to connecting rod 12, make connecting rod 12 promote breather plate 13 and remove to the direction of keeping away from compression spring 7, along with the removal of breather plate 13, thereby stagger mutually with the inside hole of upper cover plate 14, increase the inside and outside air exchange of elevator, thereby reach when the elevator breaks down, the effect of the inside air convection current of automatic increase elevator.

Meanwhile, when the ventilation plate 13 moves towards the direction far away from the moving rod 16, a pushing force is applied to the push rod 15, the push rod 15 drives the guide rod 16 to move upwards together, at the moment, due to the connection relation between the ejector rod 17 and the guide rod 16, a pushing force is applied to the bottom of the ejector rod 17 when the guide rod 16 moves upwards, the ejector rod 17 moves upwards, the guide pillar 18 is further pushed to move towards the direction far away from the ejector rod 17, at the moment, the guide pillar 18 has a pressure on the extension spring 19, the extension spring 19 is compressed by the internal stress, elastic potential energy is gathered inside the extension spring, preparation is made for resetting of the guide pillar 18, meanwhile, the guide pillar 18 moves along with the movement of the guide pillar 18, the trigger block 20 is further driven to move towards the button 21, the button 21 is further pressed, and the effect that when the elevator breaks down, the external part of the elevator is automatically warned is achieved.

In conclusion, along with the movement of the pressure rod 9, the friction block 11 is driven to move together, so that the friction block 11 moves towards the direction away from the pressure rod 9, and is contacted with the inside of the elevator shaft 1, and then friction force is generated, so that the gliding speed of the elevator 2 is reduced, and the effect that when the elevator breaks down, the inside automatically decelerates to prevent danger is achieved, and simultaneously, along with the movement of the vent plate 13, the inside is staggered with the hole in the upper cover plate 14, the air communication between the inside and the outside of the elevator is increased, and the effect that when the elevator breaks down, the air convection inside the elevator is automatically increased is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.