Elevator opening safety protection device

Abstract

The utility model discloses an elevator opening safety protection device, which relates to the technical field of building construction, and comprises a wall body, an elevator door is arranged on one side of the wall body, a first isolation plate is arranged on the side wall of the wall body, and the bottom of the first isolation plate is movably connected with a directional roller. When safety protection is carried out on the elevator hole through the protection device, in order to improve the convenience of adjusting and protecting the holes with different widths by the protection frame, the second isolation plate can be pulled according to the specific protection width requirement, and the pulleys slide along the inner walls of the sliding grooves, so that the protection area of the first isolation plate and the second isolation plate is increased, and the safety of the elevator hole is improved. And after the first isolation plate is pulled to the required protection width, the bolt is rotated, and the bolt stretches and retracts along the top of the first isolation plate through the limiting effect of the nut, so that the bolt has the limiting effect on the pulley, and the effect of using stability after the first isolation plate and the second isolation plate are adjusted is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a safety protection device for an elevator opening. Background Art

[0002] During the construction of high-rise buildings, the reserved opening of the elevator shaft is a major source of danger. Whether the protection is in place directly affects the safety management of the project and the personal safety of the workers. For this reason, it is necessary to use protective devices to perform safety protection operations on the elevator opening.

[0003] However, when the existing elevator opening safety protection device is used, a scaffold is erected on site at the elevator shaft opening using steel pipes, and the scaffold is fixed to the wall by bolts, etc., resulting in poor protection effect and cumbersome installation. The protection devices are not easy to install, and the protection effect of the protection devices for adjusting openings of different widths is not high, and the connection stability between the protection devices and the wall is not high.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a safety protection device for an elevator entrance is proposed. Utility Model Content

[0005] The utility model aims to provide an elevator opening safety protection device to solve the problems that the protection device proposed in the above background technology has low adjustment protection effect on openings of different widths and low connection stability between the protection device and the wall.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator opening safety protection device, comprising a wall, an elevator door is arranged on one side of the wall, a first isolation plate is arranged on the side wall of the wall, a directional roller is movably connected to the bottom of the first isolation plate, a second isolation plate is slidably connected to the outer wall of the first isolation plate, a pulley slidably connected to the outer wall of the first isolation plate is rotatably connected to the outer wall of the second isolation plate, a sliding groove is provided at the connection part between the outer wall of the first isolation plate and the pulley, a nut is arranged on the top of the first isolation plate, and a bolt penetrating the outer wall of the first isolation plate is threadedly connected to the inner wall of the nut.

[0007] Furthermore, the side wall of the first isolation plate is rotatably connected to a threaded rod, one end of the threaded rod is fixedly connected to a knob, the outer wall of the threaded rod is threadedly connected to a threaded slider that is slidably connected to the side wall of the first isolation plate, a fixing groove is provided at the connection position between the side wall of the first isolation plate and the threaded slider, and the outer wall of the threaded slider is fixedly connected to a positioning block located on one side of the wall.

[0008] Furthermore, two groups of pulleys and slide grooves are provided, and the positions of the two groups of pulleys and slide grooves are distributed symmetrically with respect to the central axis of the first isolation plate.

[0009] Furthermore, the nuts and bolts are both arranged in a straight line shape on the top of the first isolation plate.

[0010] Furthermore, the threaded rods are provided in two groups, the rotation directions of the two groups of threaded rods are opposite, and the threaded rods are symmetrically arranged at both ends of the first isolation plate.

[0011] Furthermore, the side walls of the second isolation plate are also symmetrically provided with threaded rods.

[0012] Furthermore, two groups of positioning blocks are provided, and the positions of the two groups of positioning blocks are distributed symmetrically with respect to the central axis of the wall, and the outer wall profile of the positioning blocks is in an "L" shape.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a bolt. When the elevator opening is safely protected by the protective device, in order to improve the convenience of the protective frame to adjust the protection of openings of different widths, the second isolation plate can be pulled according to the needs of the specific protection width, and the pulley can slide along the inner wall of the slide groove, thereby increasing the protection area of ​​the first isolation plate and the second isolation plate. After the protection width is pulled to the required protection width, the bolt is rotated through the limiting effect of the nut, so that the bolt can be telescopic along the top of the first isolation plate, so that the bolt limits the pulley, which plays a role in the stability of the first isolation plate and the second isolation plate after adjustment.

[0015] 2. The utility model provides a positioning block. When the elevator opening is protected by the protective device, in order to increase the contact area between the isolation plate and the wall and achieve the effect of improving the stability of the connection between the isolation plate and the wall, after moving the protective device to one side of the elevator door, the knob is turned to drive the threaded slider to slide along the inner wall of the fixed groove through the rotation of the threaded rod. The sliding of the threaded slider drives the two groups of positioning blocks to perform centering movement, so that the positioning blocks clamp the wall front and back, thereby achieving the effect of improving the stability of the connection between the protective device and the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the position distribution structure of the first isolation plate and the elevator door;

[0017] Figure 2 is a schematic diagram of the connection structure between the first isolation plate and the second isolation plate;

[0018] Figure 3 It is a schematic diagram of the bolt and pulley position distribution structure;

[0019] Figure 4 This is a schematic diagram of the connection structure between the positioning block and the threaded rod.

[0020] In the figure: 1. wall; 2. elevator door; 3. first isolation plate; 4. directional roller; 5. second isolation plate; 6. pulley; 7. slide groove; 8. nut; 9. bolt; 10. threaded rod; 11. knob; 12. threaded slider; 13. fixing groove; 14. positioning block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1: Figure 1-Figure 3 As shown, a safety protection device for an elevator entrance includes a wall 1, an elevator door 2 is arranged on one side of the wall 1, a first isolation plate 3 is arranged on the side wall of the wall 1, a directional roller 4 is movably connected to the bottom of the first isolation plate 3, a second isolation plate 5 is slidably connected to the outer wall of the first isolation plate 3, a pulley 6 slidably connected to the outer wall of the second isolation plate 5 is rotatably connected to the outer wall of the first isolation plate 3, a groove 7 is provided at the connection portion between the outer wall of the first isolation plate 3 and the pulley 6, a nut 8 is arranged on the top of the first isolation plate 3, and a bolt 9 penetrating the outer wall of the first isolation plate 3 is threadedly connected to the inner wall of the nut 8.

[0023] Furthermore, two groups of pulleys 6 and slide grooves 7 are provided, and the positions of the two groups of pulleys 6 and slide grooves 7 are symmetrical about the central axis of the first isolation plate 3. This is beneficial for effectively adjusting the shielding areas of the first isolation plate 3 and the second isolation plate 5 by providing two groups of pulleys 6 and slide grooves 7 that are symmetrical about the central axis of the first isolation plate 3.

[0024] Furthermore, the nut 8 and the bolt 9 are both arranged in an "I" shape on the top of the first isolation plate 3, and the pulley 6 forms a fixed structure with the nut 8 and the bolt 9 and the slide groove 7, which is conducive to the bolt 9 rotating along the inner wall of the nut 8, driving the pulley 6 to be effectively fixed on the inner wall of the slide groove 7, thereby achieving the effect of improving the stability of use after the protective area of ​​the isolation plate is adjusted.

[0025] Embodiment 2: Figure 1 , Figure 2 and Figure 4As shown, an elevator hole safety protection device proposed by the utility model, compared with the first embodiment, as another embodiment of the utility model, the side wall of the first isolation plate 3 is rotatably connected with a threaded rod 10, one end of the threaded rod 10 is fixedly connected with a knob 11, the outer wall of the threaded rod 10 is threadedly connected with a threaded slider 12 slidably connected with the side wall of the first isolation plate 3, the connecting part of the side wall of the first isolation plate 3 and the threaded slider 12 is provided with a fixing groove 13, the outer wall of the threaded slider 12 is fixedly connected with a positioning block 14 located on one side of the wall 1, when working, by setting The positioning block 14 is helpful when the elevator opening is protected by the protective device. In order to increase the contact area between the isolation plate and the wall 1, the connection stability between the isolation plate and the wall 1 can be improved. After the protective device is moved to one side of the elevator door 2, the knob 11 is turned to drive the threaded slider 12 to slide along the inner wall of the fixed groove 13 through the rotation of the threaded rod 10. The sliding of the threaded slider 12 drives the two groups of positioning blocks 14 to perform centering movement, so that the positioning blocks 14 clamp the wall 1 front and back, thereby improving the connection stability between the protective device and the wall 1.

[0026] Furthermore, two groups of threaded rods 10 are provided, the rotation directions of the two groups of threaded rods 10 are opposite, and the threaded rods 10 are symmetrically arranged at both ends of the first isolation plate 3. The threaded slider 12 forms a sliding structure between the threaded rod 10 and the fixed groove 13, which is beneficial to the rotation of the threaded rod 10, driving the threaded slider 12 to slide along the inner wall of the fixed groove 13, thereby driving the positioning block 14 to effectively extend and retract.

[0027] Furthermore, the side walls of the second isolation plate 5 are also symmetrically provided with threaded rods 10 , which is beneficial for effectively fixing the other side of the wall 1 .

[0028] Furthermore, two groups of positioning blocks 14 are provided, and the position distribution of the two groups of positioning blocks 14 is symmetrical about the central axis of the wall 1, and the outer wall contour of the positioning blocks 14 is in an "L" shape. The positioning blocks 14 form a fixed structure with the wall 1 through the threaded slider 12 and the fixed groove 13, which is conducive to the threaded slider 12 sliding along the inner wall of the fixed groove 13, driving the effective contact between the positioning blocks 14 and the wall 1, thereby achieving the effect of improving the stability of the connection between the protective device and the wall 1.

[0029] Working principle: When using this elevator opening safety protection device, first, when the elevator opening is safely protected by the protection device, in order to improve the convenience of adjusting the protection frame to the openings of different widths, the second isolation plate 5 can be pulled according to the needs of the specific protection width, and the pulley 6 can be made to slide along the inner wall of the slide groove 7, so as to increase the protection area of ​​the first isolation plate 3 and the second isolation plate 5. After pulling to the required protection width, the bolt 9 is turned through the limiting effect of the nut 8, so that the bolt 9 can be telescopically moved along the top of the first isolation plate 3, so that the bolt 9 limits the pulley 6, which plays a role in the stability of the first isolation plate 3 and the second isolation plate 5 after adjustment.

[0030] Finally, when the elevator opening is protected by the protective device, in order to increase the contact area between the isolation plate and the wall 1 and achieve the effect of improving the connection stability between the isolation plate and the wall 1, after moving the protective device to one side of the elevator door 2, the knob 11 can be turned to drive the threaded slider 12 to slide along the inner wall of the fixed groove 13 through the rotation of the threaded rod 10. The sliding of the threaded slider 12 drives the two groups of positioning blocks 14 to perform centering movement, so that the positioning blocks 14 clamp the wall 1 front and back, thereby achieving the effect of improving the connection stability between the protective device and the wall 1.

[0031] Here it is the working principle of this elevator hole safety protection device.

[0032] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An elevator entrance safety protection device, comprising a wall (1), characterized in that: An elevator door (2) is arranged on one side of the wall (1), and a first isolation plate (3) is arranged on the side wall of the wall (1). The bottom of the first isolation plate (3) is movably connected to a directional roller (4). The outer wall of the first isolation plate (3) is slidably connected to a second isolation plate (5). The outer wall of the second isolation plate (5) is rotatably connected to a pulley (6) slidably connected to the outer wall of the first isolation plate (3). A sliding groove (7) is provided at the connection portion between the outer wall of the first isolation plate (3) and the pulley (6). A nut (8) is arranged on the top of the first isolation plate (3), and the inner wall of the nut (8) is threadedly connected to a bolt (9) penetrating the outer wall of the first isolation plate (3).

2. An elevator opening safety protection device according to claim 1, characterized in that: The side wall of the first isolation plate (3) is rotatably connected to a threaded rod (10), one end of the threaded rod (10) is fixedly connected to a knob (11), the outer wall of the threaded rod (10) is threadedly connected to a threaded slider (12) slidably connected to the side wall of the first isolation plate (3), a fixing groove (13) is provided at the connection portion between the side wall of the first isolation plate (3) and the threaded slider (12), and the outer wall of the threaded slider (12) is fixedly connected to a positioning block (14) located on one side of the wall (1).

3. The elevator opening safety protection device according to claim 1, characterized in that: Two groups of the pulleys (6) and the slide grooves (7) are provided, and the positions of the two groups of the pulleys (6) and the slide grooves (7) are distributed symmetrically with respect to the central axis of the first isolation plate (3).

4. The elevator opening safety protection device according to claim 1, characterized in that: The nut (8) and the bolt (9) are both arranged in a straight line shape on the top of the first isolation plate (3).

5. The elevator opening safety protection device according to claim 2, characterized in that: Two groups of threaded rods (10) are provided, the two groups of threaded rods (10) rotate in opposite directions, and the threaded rods (10) are symmetrically arranged at both ends of the first isolation plate (3).

6. The elevator opening safety protection device according to claim 2, characterized in that: The side walls of the second isolation plate (5) are also symmetrically provided with threaded rods (10).

7. The elevator opening safety protection device according to claim 2, characterized in that: Two groups of positioning blocks (14) are provided, the positions of the two groups of positioning blocks (14) are distributed symmetrically with respect to the central axis of the wall (1), and the outer wall profile of the positioning blocks (14) is in an "L" shape.

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