Elevator shaft opening protection device

Abstract

The utility model relates to the field of elevator construction, in particular to an elevator shaft opening protection device which comprises two stand columns, a plurality of connecting pieces are arranged on the stand columns and used for being connected with walls of an elevator shaft opening, a protection door is arranged between the two stand columns, one side of the protection door is hinged to one stand column, and the other side of the protection door is hinged to the other stand column. And the other side of the vertical column is detachably connected with the other vertical column. According to the elevator shaft opening protection device, the stand columns are fixed to the walls on the two sides of the opening, the protection door capable of being opened and closed is installed through the two stand columns, the opening can be effectively protected, and meanwhile constructors can enter and exit from the opening at any time.

Description

Technical Field

[0001] This utility model relates to the field of elevator construction, and in particular to a protective device for elevator shaft openings. Background Technology

[0002] During the construction of high-rise buildings, it is necessary to reserve openings for installing elevator doors on each floor. These reserved openings pose significant safety risks, so they need to be protected before construction begins to prevent construction workers from accidentally entering the elevator door openings.

[0003] Existing elevator door opening protection methods include:

[0004] 1. Installing guardrails in elevator shafts is a cumbersome and difficult-to-remove protective measure, which makes it inconvenient for personnel to enter and exit the opening during construction.

[0005] 2. Tying protective cloth at the opening is easy to install and remove, but the protection is weak. If construction workers accidentally enter, the protective cloth may fall off, and there is still a safety risk.

[0006] Therefore, a technical solution is needed to address the technical problem that the protective measures at elevator openings are inconvenient for construction workers to enter and exit the openings, and that pose safety hazards. Utility Model Content

[0007] The purpose of this invention is to provide an elevator shaft opening protection device to address the technical problem that existing elevator shaft opening protection measures are inconvenient for construction personnel to enter and exit the opening and pose safety hazards.

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0009] An elevator shaft opening protection device includes two columns, each column having several connectors for connecting to the wall of the elevator shaft opening. A protective door is provided between the two columns, with one side of the protective door hinged to one of the columns and the other side detachably connected to the other column.

[0010] This utility model discloses a protective device for elevator shaft openings. In use, two columns are connected to the walls on both sides of the opening, and a protective door is hinged to one of the columns. When construction is not required in the elevator shaft, the protective door can be detachably connected to the other column. When it is necessary to enter or exit the opening, the protective door can be opened. By installing columns on both sides of the opening, the two columns provide the installation base for the protective door, forming an openable and closable door structure at the elevator shaft opening. This not only provides effective protection for the opening but also allows construction personnel to enter and exit the opening at any time.

[0011] As a preferred embodiment of this utility model, the connecting member includes a crossbar connected to the column, a limiting plate is provided at the end of the crossbar away from the column, and a fixing plate is provided on the side of the crossbar close to the column.

[0012] After the protective device is installed, the limiting plate and fixing plate on the crossbar are respectively clamped to the inner and outer walls of the wall, realizing the limitation of the column on the wall. The installation process will not cause damage to the wall, and the installation and dismantling process is relatively simple, improving the construction efficiency of the protective device.

[0013] As a preferred embodiment of this utility model, the limiting plate is detachably connected to the end of the crossbar by mounting bolts.

[0014] Before installing the protective device, the limiting plate can be removed. After reaching the predetermined position, the limiting plate can be fixed to the end of the crossbar with mounting bolts to avoid the limiting plate interfering with the installation of the entire protective device.

[0015] As a preferred embodiment of this utility model, the fixing plate is provided with fastening bolts, which are used to tighten against the outside of the wall.

[0016] After the limiting plate and fixing plate of the connector are installed on the inner and outer sides of the wall, the fastening bolts are installed on the fixing plate. The fastening bolts are tightened against the outer side of the wall, thus achieving relative fixation between the column and the wall.

[0017] As a preferred embodiment of the present invention, the fixing plate (33) is provided with a plurality of fastening screw holes (332), the fastening screw holes (332) are used to install the fastening bolts (331), and the plurality of fastening screw holes (332) are evenly arranged along the length direction of the fixing plate (33).

[0018] The appropriate fastening bolts can be installed in the corresponding fastening holes according to the width of the opening, so that the protective device can adapt to openings of different widths.

[0019] As a preferred embodiment of this utility model, a circular contact piece is provided on the side of the fastening bolt that abuts against the wall, and the diameter of the circular contact piece is larger than the diameter of the fastening bolt.

[0020] The circular contact piece increases the contact area between the fastening bolt and the wall, preventing damage to the wall during the contact process.

[0021] As a preferred embodiment of this utility model, a plurality of the connecting members are evenly arranged along the height direction of the column.

[0022] This makes the columns more securely installed on the wall of the opening, less likely to fall off under external forces, and improves the stability of the entire protective device.

[0023] As a preferred embodiment of this utility model, a first sleeve is provided vertically on one side of the protective door, and a second sleeve is provided on the side of the column. The first sleeve and the second sleeve are connected by an n-shaped rod.

[0024] When the protective door is closed, the two ends of the n-shaped rod are inserted into the first sleeve and the second sleeve respectively, which limits the movement of the protective door. After removing the n-shaped rod, the rotating guard can be turned off, thus opening the protective door.

[0025] As a preferred embodiment of this utility model, the n-shaped rod is provided with a handle in the middle.

[0026] A handle is provided in the middle of the n-shaped rod, making it easier for operators to hold the handle for installation and removal, thus simplifying the operation.

[0027] As a preferred embodiment of this utility model, the protective door includes a rectangular frame, and a plurality of horizontal plates are provided inside the rectangular frame.

[0028] The protective door consists of a rectangular frame and several horizontal panels inside, forming a hollow door-shaped structure. On the one hand, the structure is simple and easy to control costs; on the other hand, it allows outsiders to observe the opening and prevent potential safety hazards in advance.

[0029] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0030] This utility model discloses a protective device for elevator shaft openings. By fixing columns on the walls on both sides of the opening and installing openable and closable protective doors on the two columns, it can not only effectively protect the opening, but also allow construction personnel to enter and exit the opening at any time. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of an elevator shaft opening protection device according to this utility model;

[0032] Figure 2 yes Figure 1 Enlarged view of area A in the middle;

[0033] Figure 3 This is a top view of the column and connector described in this utility model;

[0034] Figure 4 yes Figure 3 Enlarged view of area B in the middle;

[0035] Markings in the diagram: 1-Post, 2-Protective door, 21-Rectangular frame, 22-Horizontal plate, 3-Connector, 31-Horizontal bar, 32-Limiting plate, 321-Mounting bolt, 33-Fixing plate, 331-Fastening bolt, 3311-Circular contact piece, 332-Fastening screw hole, 4-First sleeve, 5-Second sleeve, 6-N-shaped rod, 61-Handle, 7-Wall. Detailed Implementation

[0036] The present invention will now be described in detail with reference to the accompanying drawings.

[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model. Example 1

[0038] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, this embodiment of an elevator shaft opening protection device includes two columns 1, each column 1 is provided with a plurality of connectors 3, the connectors 3 are used to connect to the wall of the elevator shaft opening, and a protective door 2 is provided between the two columns 1. One side of the protective door 2 is hinged to one of the columns 1, and the other side is detachably connected to the other column 1.

[0039] In use, the two columns 1 are connected to the walls on both sides of the opening, and the protective door 2 is hinged to one of the columns 1. When the elevator shaft does not need to be constructed, the protective door 2 is detachably connected to the other column 1. When it is necessary to enter or exit the opening, the protective door 2 can be opened. This application forms an openable and closable door structure at the elevator opening by installing columns 1 on both sides of the opening. The two columns 1 provide the installation base for the protective door 2, which not only effectively protects the opening, but also allows construction personnel to enter and exit the opening at any time.

[0040] Connector 3 includes a crossbar 31 connected to the column 1. A limiting plate 32 is provided at the end of the crossbar 31 away from the column 1, and a fixing plate 33 is provided on the side of the crossbar 31 close to the column 1. After the protective device is installed, the limiting plate 32 and the fixing plate 33 on the crossbar 31 are respectively clamped to the inner and outer walls of the wall, realizing the limiting of the column 1 on the wall. The installation process will not cause damage to the wall, and the installation and dismantling process is relatively simple, improving the construction efficiency of the protective device. Several connectors 3 are evenly arranged along the height direction of the column 1, making the column 1 more firmly installed on the wall of the opening, less likely to fall off under external force, and improving the stability of the entire protective device.

[0041] Protective door 2: Protective door 2 consists of a rectangular frame 21 and several horizontal plates 22 inside it, forming a hollow door-shaped structure. On the one hand, the structure is simple and easy to control costs; on the other hand, it is convenient for outsiders to observe the opening and prevent potential safety hazards in advance. A first sleeve 4 is vertically provided on one side of the protective door 2, and a second sleeve 5 is provided on the side of the column 1. The first sleeve 4 and the second sleeve 5 are connected by an n-shaped rod 6. When the protective door 2 is closed, the two ends of the n-shaped rod 6 are inserted into the first sleeve 4 and the second sleeve 5 respectively, which realizes the limitation of the protective door 2. After removing the n-shaped rod 6, the protective door can be rotated to open the protective door 2. A handle 61 is provided in the middle of the n-shaped rod 6, which makes it easy for operators to hold the handle 61 to install and remove the n-shaped rod 6, making the operation simpler. Example 2

[0042] like Figure 1 and Figure 3 As shown, in this embodiment, the difference from embodiment 1 is that the limiting plate 32 is detachably connected to the end of the crossbar 31 by mounting bolts 321.

[0043] In this embodiment, the limiting plate 32 can be removed before the protective device is installed. After reaching the predetermined position, the limiting plate 32 is fixed to the end of the crossbar 31 by the mounting bolt 321 to avoid the limiting plate 32 interfering with the installation of the entire protective device. Example 3

[0044] like Figure 1 , Figure 3 and Figure 4 As shown, in this embodiment, the difference from embodiment 1 is that the fixing plate 33 is provided with fastening bolts 331, which are used to tighten against the outside of the wall.

[0045] In this embodiment, after the limiting plate 32 and fixing plate 33 of the connector 3 are snapped into the inner and outer sides of the wall, fastening bolts 331 are installed on the fixing plate 33. The fastening bolts 331 are pressed against the outer side of the wall, thereby achieving relative fixation between the column 1 and the wall.

[0046] Furthermore, the fixing plate 33 is provided with a plurality of fastening screw holes 332, which are used to install the fastening bolts 331. The plurality of fastening screw holes 332 are evenly arranged along the length direction of the fixing plate 33. By selecting different fastening screw holes 332 to install the fastening bolts 331, the fixing plate 33 and the wall 7 can still be fastened together by the fastening bolts 331 even when the width of the opening changes.

[0047] Furthermore, a circular contact piece 3311 is provided on the side of the fastening bolt 331 that abuts against the wall. The diameter of the circular contact piece 3311 is larger than the diameter of the fastening bolt 331. The circular contact piece 3311 can increase the contact area between the fastening bolt 331 and the wall, thus avoiding damage to the wall during the abutment process.

[0048] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An elevator shaft opening guard, characterized in that, It includes two columns (1), each column (1) is provided with several connectors (3), the connectors (3) are used to connect to the wall of the elevator shaft opening, and a protective door (2) is provided between the two columns (1). One side of the protective door (2) is hinged to one of the columns (1), and the other side is detachably connected to the other column (1).

2. The elevator shaft access guard of claim 1, wherein, The connector (3) includes a crossbar (31), which is connected to the column (1). A limiting plate (32) is provided at one end of the crossbar (31) away from the column (1), and a fixing plate (33) is provided on the side of the crossbar (31) close to the column (1).

3. The elevator shaft access guard of claim 2, wherein, The limiting plate (32) is detachably connected to the end of the crossbar (31) by mounting bolts (321).

4. The elevator shaft access guard of claim 2, wherein, The fixing plate (33) is provided with fastening bolts (331), which are used to press against the outside of the wall.

5. The elevator shaft access guard of claim 4, wherein, The fixing plate (33) is provided with a plurality of fastening screw holes (332), which are used to install the fastening bolts (331). The plurality of fastening screw holes (332) are evenly arranged along the length direction of the fixing plate (33).

6. The elevator shaft access guard of claim 4, wherein, The fastening bolt (331) has a circular contact piece (3311) on the side that abuts against the wall. The diameter of the circular contact piece (3311) is larger than the diameter of the fastening bolt (331).

7. The elevator shaft access guard of claim 2, wherein, Several of the connecting parts (3) are evenly arranged along the height direction of the column (1).

8. The elevator shaft access guard of claim 1, wherein, The protective door (2) has a first sleeve (4) vertically arranged on one side, and the column (1) has a second sleeve (5) on the side. The first sleeve (4) and the second sleeve (5) are connected by an n-shaped rod (6).

9. The elevator shaft access guard of claim 8, wherein, The n-shaped rod (6) has a handle (61) in the middle.

10. Pit opening guard according to any of claims 1 - 9, characterized in that, The protective door (2) includes a rectangular frame (21), and the rectangular frame (21) has several horizontal plates (22) inside.

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