CN220182484U - Elevator emergency exit - Google Patents

Abstract

The utility model relates to the technical field of elevators, in particular to an elevator safety door, which comprises a fixed frame, a first moving door and a second moving door which are movably connected with the fixed frame, a first driving mechanism which is arranged on the fixed frame and is used for driving the first moving door, a second driving mechanism which is arranged on the fixed frame and is used for driving the second moving door, a first protection mechanism which is arranged on the first moving door and a second protection mechanism which is arranged on the second moving door. The utility model can realize automatic opening and closing without manual opening and closing of the door, is more convenient to use, and can avoid safety accidents caused by forgetting to close the door. The first protection mechanism and the second protection mechanism can play a role in protection in the construction process, and the injury of high-altitude falling objects to staff is avoided. The utility model can realize automatic door opening and closing, has construction protection function, and flexibly meets the use requirement of elevator construction.

Description

Elevator emergency exit

Technical Field

The utility model relates to the technical field of elevators, in particular to an elevator safety door.

Background

An elevator is a stationary lifting device, in particular a permanent transport device serving a number of specific floors in a building, the cars of which run in at least two rows of rigid rails perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. The elevator is installed in a hoistway of a building, an elevator inlet and an elevator outlet are reserved between every two floors of the hoistway, and in the process of non-installation or installation construction of the elevator, the elevator inlet and the elevator outlet have certain potential safety hazards, and personnel can possibly fall down, so that a safety door is required to be arranged at the elevator inlet and the elevator outlet so as to play a role in safety protection. However, the existing safety door is generally of a common door body structure, is manually opened and closed by a worker, and is locked by using a lock head. For example, the construction elevator emergency exit disclosed in the publication number CN201320115320.2 is manually opened and closed, and the overall structure is relatively simple, and the condition of forgetting to close, lock and the like can often occur in the simple emergency exit, so that the protection effect is similar to that of a dummy, and the use requirement is difficult to meet.

Disclosure of Invention

In order to solve the problems, the utility model provides an elevator safety door.

The utility model is realized by the following scheme:

an elevator safety door comprises a fixed frame, a first moving door and a second moving door which are movably connected with the fixed frame, a first driving mechanism arranged on the fixed frame and used for driving the first moving door, a second driving mechanism arranged on the fixed frame and used for driving the second moving door, a first protection mechanism arranged on the first moving door and a second protection mechanism arranged on the second moving door; the first protection mechanism and the second protection mechanism comprise protection connecting seats, a first protection component rotationally connected with the protection connecting seats, a second protection component rotationally connected with the lower end of the first protection component, and a supporting rod for supporting the first protection component. The first protection component and the second protection component can rotate to the horizontal position to form a larger protection range, the high-altitude falling object is prevented from damaging workers in the construction process of the workers, and when the high-altitude falling object is not needed to be used, the first protection component and the second protection component can rotate to the vertical position to be changed into a folded state.

Further, a supporting connecting piece is arranged at a position, close to the lower end, of the first protection component, the supporting connecting piece is movably connected with the first protection component, and a jack for inserting the supporting connecting piece is arranged at a position, corresponding to the supporting connecting piece, of the second protection component. After the first protection component and the second protection component rotate to the horizontal position, the supporting connecting piece is pushed to be inserted into the jack, so that a supporting effect can be achieved on the second protection component.

Further, the first protection component and the second protection component are connected in a rotating mode through a hinge. The hinge enables the first protection component and the second protection component to rotate to the horizontal position more conveniently.

Further, the first driving mechanism and the second driving mechanism both comprise a screw rod, a motor for driving the screw rod, a transmission assembly for connecting the motor and the screw rod, the first movable door is connected with the screw rod of the first driving mechanism, and the second movable door is connected with the screw rod of the second driving mechanism. When the motor drives the screw rod to rotate, the first movable door/the second movable door can move along a straight line, so that the two movable doors can be opened or closed.

Further, the upper frame of the fixed frame is of a hollow structure, the screw rod is arranged in the upper frame of the fixed frame, the motor is arranged on the top surface of the upper frame of the fixed frame, an outer cover is further arranged on the top surface of the upper frame of the fixed frame, and the outer cover surrounds the motor.

Further, an alarm device is arranged on the upper frame of the fixed frame, an electric control box is arranged on one side of the fixed frame, and a wireless communication module is arranged in the electric control box. The control board and the power distribution module are arranged in the electric control box, the first driving mechanism and the second driving mechanism can be controlled, and in addition, the wireless communication module can be connected with an on-line server to transmit information instructions, such as remote door opening and closing and door feedback state opening and closing.

Further, the first movable door is provided with an electric door lock, and the electric door lock can be controlled by a control panel to realize automatic opening and locking.

Further, the second protection component is provided with a limiting piece, and a limiting hole for the insertion of the limiting piece is formed in the first protection component. The limiting piece is U-shaped, two ends of the limiting piece can be respectively inserted into holes respectively preset in the first protection component and the second protection component, and then the limiting piece plays a role in locking and limiting when the first protection component and the second protection component are folded, so that the second protection component is prevented from moving.

Further, the first protection component and the second protection component are both provided with magnets, and the magnets on the first protection component correspond to the magnets on the second protection component in position. The two magnets can attract each other, so that the second protection component can be firmly adsorbed on the first protection component.

Further, a guide groove is formed in the bottom of the fixed frame, the bottom of the first movable door is movably connected in the guide groove, and the bottom of the second movable door is movably connected in the guide groove. The guide groove plays a role in guiding and limiting, and ensures that the first movable door and the second movable door can move stably.

Compared with the prior art, the utility model has the following beneficial effects:

the first movable door and the second movable door can be automatically opened and closed by the first driving mechanism and the second driving mechanism, the door does not need to be opened or closed manually, the use is more convenient, and safety accidents caused by forgetting to close the door can be avoided. The first protection mechanism and the second protection mechanism can play a role in protection in the construction process, and the injury of high-altitude falling objects to staff is avoided. The utility model can realize automatic door opening and closing, has construction protection function, and flexibly meets the use requirement of elevator construction.

Drawings

Fig. 1 is a schematic view of an elevator safety door provided by the present utility model.

Fig. 2 is a schematic diagram of a first driving mechanism and a second driving mechanism according to the present utility model.

Fig. 3 is a schematic view illustrating a folded state of the first protection mechanism of the present utility model.

Fig. 4 is a schematic view illustrating a use state of the first protection mechanism of the present utility model.

Fig. 5 is a schematic view of a first protection mechanism according to embodiment 2 of the present utility model.

The figure comprises the following components:

the fixed frame 1, the housing 11, the guide groove 12, the first movable door 2, the electric door lock 21, the second movable door 3, the first driving mechanism 4, the screw 41, the motor 42, the transmission assembly 43, the second driving mechanism 5, the first protection mechanism 6, the protection connecting seat 61, the first protection assembly 62, the support connecting piece 621, the limit hole 622, the second protection assembly 63, the jack 631, the limit piece 632, the support rod 64, the magnet 65, the second protection mechanism 7, the alarm device 8, and the electronic control box 9.

Detailed Description

In order to facilitate an understanding of the present utility model by those skilled in the art, the present utility model will be described in further detail with reference to specific examples and drawings.

Example 1

Referring to fig. 1 to 5, the present utility model provides an elevator safety door, comprising a fixed frame 1, a first moving door 2 and a second moving door 3 movably connected with the fixed frame 1, a first driving mechanism 4 arranged on the fixed frame 1 and used for driving the first moving door 2, a second driving mechanism 5 arranged on the fixed frame 1 and used for driving the second moving door 3, a first protection mechanism 6 arranged on the first moving door 2, and a second protection mechanism 7 arranged on the second moving door 3. The first driving mechanism 4 and the second driving mechanism 5 can drive the first moving door 2 and the second moving door 3 to move, respectively, thereby realizing opening and closing operations. In use, the fixing frame 1 of the present utility model is fixed to the wall of the well mouth via the connection member.

The first protection mechanism 6 and the second protection mechanism 7 each comprise a protection connecting seat 61, a first protection component 62 rotatably connected with the protection connecting seat 61, a second protection component 63 rotatably connected with the lower end of the first protection component 62, and a supporting rod 64 for supporting the first protection component 62. The first protective component 62 and the second protective component 63 have the same structure, and are all provided with protective screens in a square frame, and the protective screens can be metal screens, glass fiber screens and the like. The support bar 64 may be embedded in the frame of the first and second sliding doors 2 and 3, or may be embedded in the square frame of the first and second protection components 62 and 63.

The first guard assembly 62 and the second guard assembly 63 can be rotated to the horizontal position to form a larger guard range, i.e., first, one guard assembly can be rotated to the horizontal position, then the second guard assembly 63 can be rotated to the horizontal position again, so that the first guard assembly 62 and the second guard assembly 63 are positioned on the same horizontal plane, and then the support rod 64 is used to support the first guard assembly 62. In the worker construction process, the high-altitude falling object is prevented from damaging workers. When not in use, the first and second guard assemblies 62, 63 can be rotated to the upright position to a folded state.

The first protection component 62 is provided with a support connecting piece 621 near the lower end, the support connecting piece 621 is movably connected with the first protection component 62, and the second protection component 63 is provided with a jack 631 for inserting the support connecting piece 621 at the position corresponding to the support connecting piece 621. After the first and second shield members 62 and 63 are rotated to the horizontal position, the support link 621 is pushed to be inserted into the insertion hole 631, thereby providing a supporting effect to the second shield member 63. The supporting connection piece 621 is arranged in the frame of the square frame, one end of the supporting connection piece 621 is partially exposed out of the square frame, the square frame is provided with a waist-shaped hole for exposing the supporting connection piece 621, the lower side frame of the square frame of the first protection component 62 is provided with a hole for extending the supporting connection piece 621, the supporting connection piece 621 can move front and back at a certain distance, the supporting connection piece 621 is staggered with the hole, and therefore the falling under the action of gravity can be avoided when the first protection component 62 and the second protection component 63 are folded and retracted.

The first guard assembly 62 and the second guard assembly 63 are pivotally connected by a hinge. The hinge facilitates the rotation of the first guard assembly 62 and the second guard assembly 63 to a horizontal position, and the hinge adopts a 180 DEG hinge to rotate the second guard assembly 63 to a stop, i.e., to reach the horizontal position.

The first driving mechanism 4 and the second driving mechanism 5 each comprise a screw 41, a motor 42 for driving the screw 41, a transmission assembly 43 for connecting the motor 42 and the screw 41, the first moving door 2 is connected with the screw 41 of the first driving mechanism 4, and the second moving door 3 is connected with the screw 41 of the second driving mechanism 5. When the motor 42 drives the screw 41 to rotate, the first moving door 2/the second moving door 3 can move along a straight line, so that the two moving doors can be opened or closed. Of course, in the implementation, only one bidirectional screw 41 may be used, and the driving of the first moving door 2 and the second moving door 3 may be realized by only one motor 42.

The upper frame of the fixed frame 1 is of a hollow structure, the screw 41 is arranged in the upper frame of the fixed frame 1, the motor 42 is arranged on the top surface of the upper frame of the fixed frame 1, the top surface of the upper frame of the fixed frame 1 is also provided with the outer cover 11, and the outer cover 11 surrounds the motor 42. The top surface of the fixed frame 1 is provided with an opening corresponding to the position of the transmission assembly 43, and the bottom surface of the fixed frame 1 is provided with an opening for the upper end of the first movable door 2 and the upper end of the second movable door 3 to enter.

The upper frame of the fixed frame 1 is provided with an alarm device 8, one side of the fixed frame 1 is provided with an electric control box 9, and a wireless communication module is arranged in the electric control box 9. The alarm device 8 includes an alarm lamp and an alarm speaker, and can give an alarm when an emergency occurs, and also can play a role in warning at night. The control board and the power distribution module are arranged in the electric control box 9, the first driving mechanism 4 and the second driving mechanism 5 can be controlled, and the door can be automatically closed after the door is opened for a certain time without any operation, so that safety accidents caused by forgetting to close the door of a worker can be avoided. In addition, the wireless communication module can be connected with an on-line server to transmit information instructions, such as remote door opening and closing and door feedback state opening and closing. In the implementation, a user can use an intelligent terminal such as an intelligent mobile phone to check the opening and closing states of the safety door through the online server and control the door opening and closing.

The first movable door 2 is provided with an electric door lock 21, and the electric door lock 21 can be controlled by a control panel to realize automatic opening and locking. The electric door lock 21 is provided with a plurality of function keys such as door opening and door closing, when a user presses the door opening key, the electric door lock 21 is opened, signals are fed back to the control board, the control board controls the first driving module and the second driving module to work, the first movable door 2 and the second movable door 3 are opened, and the door is closed similarly. In addition, a human body sensor can be arranged according to specific requirements, and automatic door opening is realized when a human body is sensed.

The second protection component 63 is provided with a limiting piece 632, and the first protection component 62 is provided with a limiting hole 622 into which the limiting piece 632 is inserted. The limiting piece 632 is U-shaped, two ends of the limiting piece can be inserted into holes preset in the first protection component 62 and the second protection component 63 respectively, and then the limiting piece plays a role in locking and limiting when the first protection component 62 and the second protection component 63 are folded, so that the second protection component 63 is prevented from moving. In particular, the end of the limiting member 632 connected to the second protection component 63 can be designed to be limited, so as to avoid the detachment of the limiting member 632 from the second protection component 63.

The bottom of the fixed frame is provided with a guide groove 12, the bottom of the first movable door 2 is movably connected in the guide groove 12, and the bottom of the second movable door 3 is movably connected in the guide groove 12. The guide groove 12 plays a role of guiding and limiting, ensuring that the first and second moving doors 2 and 3 can move smoothly. The bottoms of the first moving door 2 and the second moving door 3 can be provided with sliding wheels to increase the moving stability. In addition, the fixed frame 1 is further provided with a plurality of guide rails corresponding to the first moving door 2 and the second moving door 3 respectively, so that the moving stability is further enhanced.

Example 2

In this embodiment, the limiting member 632 is not provided, the first protection component 62 and the second protection component 63 are both provided with the magnet 65, and the magnet 65 on the first protection component 62 corresponds to the magnet 65 on the second protection component 63 in position. The two magnets 65 may attract each other, so that the second shielding member 63 may be firmly attached to the first shielding member 62. The rest of the structure is the same as that of embodiment 1, and a detailed description thereof will not be provided.

According to the utility model, the first movable door 2 and the second movable door 3 can be automatically opened and closed by the first driving mechanism 4 and the second driving mechanism 5, the door does not need to be manually opened or closed, the use is more convenient, and the safety accidents caused by forgetting to close the door can be avoided. The first protection mechanism 6 and the second protection mechanism 7 can play a protection role in the construction process, and the injury of high-altitude falling objects to staff is avoided. The utility model can realize automatic door opening and closing, has construction protection function, and flexibly meets the use requirement of elevator construction.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the scope of the appended claims.

Claims (10)

1. The elevator safety door is characterized by comprising a fixed frame, a first movable door and a second movable door which are movably connected with the fixed frame, a first driving mechanism arranged on the fixed frame and used for driving the first movable door, a second driving mechanism arranged on the fixed frame and used for driving the second movable door, a first protection mechanism arranged on the first movable door and a second protection mechanism arranged on the second movable door; the first protection mechanism and the second protection mechanism comprise protection connecting seats, a first protection component rotationally connected with the protection connecting seats, a second protection component rotationally connected with the lower end of the first protection component, and a supporting rod for supporting the first protection component.

2. The elevator safety door according to claim 1, wherein the first protection component is provided with a support connector at a position near the lower end, the support connector is movably connected with the first protection component, and the second protection component is provided with a jack for inserting the support connector at a position corresponding to the support connector.

3. The elevator safety door of claim 2 wherein the first and second shield assemblies are pivotally connected by a hinge.

4. The elevator safety door of claim 1 wherein the first and second drive mechanisms each include a lead screw, a motor for driving the lead screw, a transmission assembly for connecting the motor and the lead screw, the first moving door being connected to the lead screw of the first drive mechanism, and the second moving door being connected to the lead screw of the second drive mechanism.

5. The elevator safety door according to claim 4, wherein the upper rim of the fixed frame is of a hollow structure, the screw is arranged in the upper rim of the fixed frame, the motor is arranged on the top surface of the upper rim of the fixed frame, and an outer cover is further arranged on the top surface of the upper rim of the fixed frame and surrounds the motor.

6. The elevator safety door according to claim 1, wherein an alarm device is provided on an upper rim of the fixed frame, an electric control box is provided on one side of the fixed frame, and a wireless communication module is provided in the electric control box.

7. The elevator safety door according to claim 1, wherein the first moving door is provided with a power door lock.

8. The elevator safety door according to claim 1, wherein the second protection assembly is provided with a limiting member, and the first protection assembly is provided with a limiting hole into which the limiting member is inserted.

9. The elevator safety door of claim 1 wherein the first and second protective assemblies are each provided with a magnet and the magnets on the first protective assembly correspond in position to the magnets on the second protective assembly.

10. The elevator safety door according to claim 8 wherein a guide groove is provided at a bottom of the fixed frame, the bottom of the first moving door is movably coupled to the guide groove, and the bottom of the second moving door is movably coupled to the guide groove.