Lift shaft protective mesh

Through the innovative design of four protective frames and related components, the problem of repeated installation and removal of elevator shaft protective netting has been solved, enabling rapid installation and disassembly, and improving construction efficiency and structural stability.

CN223661422UActive Publication Date: 2025-12-12CCCC SHEC DONGMENG ENG CO LTD
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Patent Information

Application Number
CN202423171380.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-12
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing elevator shaft protective mesh panels need to be installed and removed repeatedly, which makes the installation process cumbersome and affects the construction progress.

Method used

It adopts a combination structure of four protective frames, protective nets and kick plates, and achieves quick installation and disassembly through the design of components such as side wall mounting brackets, rectangular limiting frames, fixing screws, friction rods, positioning brackets and reinforcing rods.

Benefits of technology

It improves the ease of installation and disassembly of protective netting, reduces errors, enhances structural stability and safety, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an elevator shaft protective net piece, which belongs to the technical field of elevator shaft protection and comprises an elevator shaft, four protective frames, four protective nets and four skirting boards, mounting structures are arranged on the outer walls of the protective frames, and the skirting boards are arranged on the outer walls of the protective frames. The installation structure comprises side wall installation frames fixedly installed on the outer walls of the four protection frames. According to the elevator shaft protection net piece, the four protection frames are preliminarily installed and fixed through the effects of the side wall installation frames and the rectangular limiting frames, the protection frames on the left side and the right side and the installation bases are fixed through fixing screws, so that friction clamping rods are clamped into an elevator shaft, and the protection net piece is limited and cannot move transversely; the stability of connection among the four protection frames is improved through the effects of the positioning clamping bases, the positioning clamping rods and the reinforcing rods, the four protection net pieces are connected and installed in an embedded mode, and the convenience of disassembly and installation of the protection net pieces is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator shaft protection technical field, concretely is elevator shaft protection screen. BACKGROUND

[0002] The elevator shaft protection screen is a protection device installed in the interior of the elevator shaft, used for preventing personnel or objects from falling. It is usually composed of high-strength metal wires or grids, fixed on the walls of the elevator shaft, covering the openings of the shaft, such as the opposite side of the elevator door, the maintenance opening of the elevator shaft, etc. The main function of the protection screen is to provide a safety barrier, ensuring that personnel will not fall from the gaps or openings of the elevator shaft in the case of elevator maintenance, repair, or accidents, while also blocking debris from falling into the shaft, avoiding damage to the operation of the elevator. This protection screen needs to have sufficient strength and durability, capable of withstanding a certain impact force, and needs to be strictly installed according to relevant safety standards and specifications to ensure the safe operation of the elevator shaft.

[0003] Currently, the protection screen is generally set on the ground and fixed on the top of the elevator shaft by expansion screws. When various processes such as plastering, tiling, and ground construction are carried out, in order to improve the convenience of construction, the protection screen needs to be repeatedly installed and disassembled several times. Each time the protection screen is disassembled and installed, multiple expansion screws need to be removed and installed, resulting in a relatively cumbersome process of overall disassembly and installation, affecting the overall work progress. Therefore, the elevator shaft protection screen is proposed. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides an elevator shaft protection screen, which has the advantages of facilitating the installation and disassembly of the protection screen, improving work efficiency, etc., and solves the problem that the protection screen needs to be repeatedly installed and disassembled several times, and each time the protection screen is disassembled and installed, multiple expansion screws need to be removed and installed, resulting in a relatively cumbersome process of overall disassembly and installation, affecting the overall work progress.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an elevator shaft protection screen, comprising an elevator shaft, four protection frames, four protection nets, and four skirting boards, the outer wall of the protection frame is provided with a mounting structure;

[0006] The mounting structure comprises side wall mounting racks fixedly mounted on the outer walls of the four protective frames, a rectangular limiting frame is slidably connected inside the side wall mounting racks, mounting seats are fixedly mounted on the opposite outer walls of the left and right two protective frames, two fixed screws are movably mounted inside the mounting seats, side plates are fixedly mounted on the side of the mounting seats away from the protective frames, a plurality of friction clamping rods are fixedly mounted on the bottom of the side plates, two positioning clamping seats are fixedly mounted on the opposite outer walls of the left and right two protective frames, and two positioning clamping rods are fixedly mounted on the opposite outer walls of the front and rear two protective frames.

[0007] Further, the four protective frames form a rectangular protective net rack body, the four side wall mounting racks are respectively mounted on the front, rear, left and right outer walls of the protective net rack body, the number of reinforcing rods is four and the reinforcing rods are installed at an inclined angle, the inner wall of the protective net rack body is provided with eight inclined clamping grooves, and the reinforcing rods are slidably connected inside the inclined clamping grooves and are matched in size

[0008] Further, the inner wall of the positioning clamping seat is provided with a T-shaped clamping groove, the positioning clamping rod is T-shaped, and the positioning clamping rod is slidably connected inside the T-shaped clamping groove and is matched in size.

[0009] Further, a concave groove is formed in the inner wall of the side wall mounting rack, and the rectangular limiting frame is slidably connected inside the concave groove and is matched in size.

[0010] Further, two threaded grooves are formed in the inner wall of the left and right two protective frames, the fixed screws are threadedly connected inside the threaded grooves through the inner wall of the mounting seat and are matched in size.

[0011] Further, a plurality of limiting grooves are formed in the top of the elevator shaft, the number of the limiting grooves is the same as the number of the friction clamping rods, and the friction clamping rods are slidably connected inside the limiting grooves and are matched in size.

[0012] Further, the protective frame is movably mounted on the top of the elevator shaft, the protective net is mounted inside the protective frame, and the skirting board is mounted on the outer wall of the protective net.

[0013] Further, two friction plates are fixedly mounted inside the side wall mounting rack.

[0014] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0015] The elevator shaft protective net sheet, four protective frames are preliminarily installed and fixed through the action of the side wall mounting frame and the rectangular limiting frame, the left and right protective frames and the mounting seat are fixed through the fixed screw, the friction clamping rod is clamped into the inside of the elevator shaft, the protective net sheet is limited and cannot move horizontally, the stability of the connection between the four protective frames is improved through the action of the positioning clamping seat, the positioning clamping rod and the reinforcing rod, the four protective net sheets are connected and installed in the embedded mode, and the convenience of dismounting and mounting of the protective net sheet is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is the utility model Figure 1 It is a partial top view structural schematic view;

[0018] Figure 3 It is a rectangular limiting frame structural schematic view of the utility model.

[0019] In the drawing:

[0020] 1, elevator shaft; 2, protective frame; 3, protective net; 4, skirting board; 5, side wall mounting frame; 6, rectangular limiting frame; 7, mounting seat; 8, fixed screw; 9, side plate; 10, friction clamping rod; 11, positioning clamping seat; 12, positioning clamping rod; 13, reinforcing rod; 14, friction plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one, please refer to Figures 1 to 3 The elevator shaft protective net sheet in the embodiment comprises an elevator shaft 1, four protective frames 2, four protective nets 3 and four skirting boards 4, and the outer wall of the protective frame 2 is provided with a mounting structure.

[0023] The protective frame 2 is movably installed at the top of the elevator shaft 1, the protective net 3 is installed in the inside of the protective frame 2, and the skirting board 4 is installed on the outer wall of the protective net 3.

[0024] The mounting structure comprises side wall mounting racks 5 fixedly mounted on the outer walls of the four protective frames 2, rectangular limiting frames 6 slidably connected inside the side wall mounting racks 5, and concave grooves formed in the side wall mounting racks 5, with the rectangular limiting frames 6 slidably connected inside the concave grooves and matching in size.

[0025] Opposite outer walls of the left and right protective frames 2 are fixedly provided with mounting seats 7, two fixed screws 8 movably mounted inside the mounting seats 7, and two threaded grooves formed in the left and right protective frames 2, with the fixed screws 8 threadedly connected inside the threaded grooves and matching in size.

[0026] The mounting seat 7 is fixedly provided with a side plate 9 away from the protective frame 2, a plurality of friction clamping rods 10 fixedly mounted on the bottom of the side plate 9, a plurality of limiting grooves formed in the top of the elevator shaft 1, the number of the limiting grooves being the same as that of the friction clamping rods 10, and the friction clamping rods 10 slidably connected inside the limiting grooves and matching in size.

[0027] Opposite outer walls of the left and right protective frames 2 are fixedly provided with two positioning clamping seats 11, and opposite outer walls of the front and rear protective frames 2 are fixedly provided with two positioning clamping rods 12, with T-shaped clamping grooves formed in the positioning clamping seats 11 and the positioning clamping rods 12 in T-shape, the positioning clamping rods 12 slidably connected inside the T-shaped clamping grooves and matching in size, and reinforcing rods 13 slidably mounted on the inner walls of the protective frames 2.

[0028] The four protective frames 2 form a rectangular protective net rack body, the four side wall mounting racks 5 are respectively mounted on the front, rear, left and right outer walls of the protective net rack body, the number of the reinforcing rods 13 is four and they are installed at an inclined angle, eight inclined clamping grooves are formed in the inner walls of the protective net rack body, and the reinforcing rods 13 are slidably connected inside the inclined clamping grooves and matching in size.

[0029] In this embodiment, the four protective frames 2 are connected by the positioning clamping seats 11 and the positioning clamping rods 12 in an embedded manner, achieving the effects of accurate alignment and firm fixation. The cooperation of the T-shaped clamping grooves and the positioning clamping rods 12 ensures that the protective frames 2 can be accurately docked during assembly, reduces installation errors, and improves the stability and safety of the overall structure. At the same time, this connection method also facilitates quick installation and disassembly, improves maintenance and replacement efficiency, so that the entire protection system is both reliable and flexible.

[0030] The embodiment two is based on the embodiment one, and the friction plate 14 is fixedly installed inside the side wall mounting frame 5, and the main effect is to provide stable friction force, so that the rectangular limiting frame 6 can keep accurate position control when being slidably connected inside the side wall mounting frame 5. The friction plate 14 can effectively prevent the rectangular limiting frame 6 from moving too fast or accidentally due to external force during sliding by the friction resistance generated by the contact surface of the rectangular limiting frame 6, and the stability and safety of the rectangular limiting frame 6 during movement are ensured.

[0031] The working principle of the above embodiment is as follows:

[0032] Firstly, the mounting seat 7 is fixedly installed on the outer walls of the left and right two protective frames 2 through the fixing screws 8, then the friction clamping rod 10 is slid to the inside of the elevator shaft 1, then the remaining two protective frames 2 are slid from top to bottom, the positioning clamping rod 12 is slidably connected to the inside of the positioning clamping seat 11, then the four reinforcing rods 13 are installed between the four protective frames 2, and finally the rectangular limiting frame 6 is slidably installed inside the four side wall mounting frames 5, so that the installation work of the protective mesh is completed.

[0033] It should be noted that, in this document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An elevator shaft protective mesh, comprising an elevator shaft (1), four protective frames (2), four protective nets (3), and four kickboards (4), characterized in that: The outer wall of the protective frame (2) is provided with an installation structure; The installation structure includes side wall mounting brackets (5) fixedly installed on the outer walls of the four protective frames (2). A rectangular limiting frame (6) is slidably connected inside the side wall mounting brackets (5). Mounting seats (7) are fixedly installed on the outer walls of the left and right protective frames (2) on opposite sides. Two fixing screws (8) are movably installed inside the mounting seats (7). A side plate (9) is fixedly installed on the side of the mounting seat (7) away from the protective frame (2). A number of friction rods (10) are fixedly installed at the bottom of the side plate (9). Two positioning seats (11) are fixedly installed on the outer walls of the left and right protective frames (2) on opposite sides. Two positioning rods (12) are fixedly installed on the outer walls of the front and rear protective frames (2) on opposite sides. A reinforcing rod (13) is slidably installed on the inner wall of the protective frame (2).

2. The elevator shaft protective mesh according to claim 1, characterized in that: The four protective frames (2) form a rectangular protective net frame. The four side wall mounting brackets (5) are respectively installed on the front, back, left and right outer walls of the protective net frame. There are four reinforcing rods (13) installed at an inclined angle. The inner wall of the protective net frame has eight inclined slots. The reinforcing rods (13) are slidably connected inside the inclined slots and are of the same size.

3. The elevator shaft protective mesh according to claim 1, characterized in that: The positioning card holder (11) has a T-shaped slot inside, and the positioning card rod (12) is T-shaped. The positioning card rod (12) is slidably connected inside the T-shaped slot and is of the same size.

4. The elevator shaft protective mesh according to claim 1, characterized in that: The side wall mounting bracket (5) has a concave groove inside, and the rectangular limiting frame (6) is slidably connected inside the concave groove and is of the same size.

5. The elevator shaft protective mesh according to claim 1, characterized in that: The left and right protective frames (2) have two threaded grooves inside. The fixing screw (8) passes through the inside of the mounting base (7) and is threaded inside the threaded groove and is of the same size.

6. The elevator shaft protective mesh according to claim 1, characterized in that: The top of the elevator shaft (1) is provided with a number of limiting grooves, the number of which is the same as the number of friction rods (10). The friction rods (10) are slidably connected inside the limiting grooves and are of the same size.

7. The elevator shaft protective mesh according to claim 1, characterized in that: The protective frame (2) is movably installed on the top of the elevator shaft (1), the protective net (3) is installed inside the protective frame (2), and the kick plate (4) is installed on the outer wall of the protective net (3).

8. The elevator shaft protective mesh according to claim 1, characterized in that: The side wall mounting bracket (5) has two friction plates (15) fixedly installed inside.