Edge protective railing for elevator shaft door opening

By designing a front-facing guardrail with an articulated structure, the end connecting rod and the connecting lock rod are used to achieve rapid rotation and fixing of the protective panel, the problem of repeated removal and installation of traditional guardrails is solved and construction efficiency is improved.

CN222909525UActive Publication Date: 2025-05-27SHANGHAI ERSHIYE CONSTR CO LTD +1
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Patent Information

Application Number
CN202421936634.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-05-27
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The traditional elevator shaft edge guardrail needs to be repeatedly removed and installed, resulting in low construction efficiency.

Method used

A front-facing guardrail is designed, including a hinged protective panel and base, and the protective panel is quickly rotated and fixed through the end connecting rod and the connecting lock rod to avoid repeated removal and installation.

Benefits of technology

The rapid adjustment and fixation of protective panels is achieved, which facilitates construction personnel to enter the elevator shaft for construction and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an edge protective railing for an elevator shaft door opening. The edge protective railing comprises a base, a protective panel, two end connecting rods, a connecting column and a connecting lock rod. The lower end of the protection panel is hinged to the front end of the base. The other ends of the two end connecting rods are respectively hinged with the rear end of the base and the upper end of the protective panel; the connecting column is fixed on the side surface of the protective panel; one end of the connecting lock rod is hinged to the base, a clamping groove is formed in the other end of the connecting lock rod, and the connecting column can be just clamped into the clamping groove of the connecting lock rod when the protective panel and the base rotate till the two end connecting rods are tensioned. The protective panel is hinged to the base, the protective panel can be erected to protect an elevator shaft door opening, the protective panel can also be put down to facilitate construction personnel to enter an elevator shaft for construction, operation is quite convenient, the edge protective rails do not need to be repeatedly disassembled and assembled in the construction process, and therefore construction efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a temporary edge protection railing for an elevator shaft door opening. Background Art

[0002] In building engineering, a reinforced concrete elevator shaft is a hollow cylinder that is open from top to bottom, presenting a risk of high-altitude falls. Therefore, after the elevator shaft construction is completed, a temporary edge protection railing needs to be installed outside its door opening for protection. As shown in Figure 1 As shown, currently, the temporary edge protection railing 20 outside the door opening of the elevator shaft 10 is generally fixed to the corresponding floor slab through expansion bolts. During the subsequent internal construction of the elevator shaft 10, the temporary edge protection railing 20 needs to be removed to allow construction workers to enter the elevator shaft 10 for construction. After the internal construction of the elevator shaft 10 is completed, the temporary edge protection railing 20 needs to be fixed again through expansion bolts to restore the protection. Therefore, during the entire construction process of the elevator shaft, this traditional temporary edge protection railing needs to be repeatedly removed and installed, which is very inconvenient to operate, resulting in low construction efficiency. Content of the Utility Model

[0003] The main purpose of the utility model is to propose a temporary edge protection railing for an elevator shaft door opening, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the utility model is realized through the following technical solutions:

[0005] A temporary edge protection railing for an elevator shaft door opening, comprising

[0006] a base;

[0007] a protection panel, the lower end of which is hinged to the front end of the base;

[0008] two end connecting rods, one ends of which are hinged to each other, and the other ends are respectively hinged to the rear end of the base and the upper end of the protection panel;

[0009] a connecting column, fixed to the side surface of the protection panel;

[0010] a connecting lock rod, one end of which is hinged to the base, and the other end is provided with a card slot, wherein when the protection panel and the base are rotated until the two end connecting rods are tightened, the card slot of the connecting lock rod can just be inserted into the connecting column.

[0011] Preferably, at least one connecting column is provided on both side surfaces of the protection panel, and connecting lock rods corresponding to the connecting columns are provided on both side surfaces of the base.

[0012] Preferably, the card slot of the connecting lock rod is located at the lower side of its end.

[0013] Preferably, when the protective panel and the base are rotated to an included angle of 90°, the two end connecting rods are tightened.

[0014] Preferably, the protective panel includes

[0015] two vertical columns;

[0016] three cross bars fixed between the two vertical columns;

[0017] a middle vertical rod fixed in the middle of the three cross bars;

[0018] a sealing net fixed in the space surrounded by the vertical columns, cross bars and vertical rod.

[0019] The utility model provides a temporary edge protection railing for an elevator shaft door opening, which has the following beneficial effects:

[0020] 1. The protective panel of the utility model is hinged to the base, and the protective panel can be erected to protect the elevator shaft door opening, or the protective panel can be put down to facilitate the construction personnel to enter the elevator shaft for construction. The operation is very convenient, and the temporary edge protection railing does not need to be repeatedly removed and installed during the construction process, thereby improving the construction efficiency.

[0021] 2. When the protective panel and the base are rotated until the two end connecting rods are tightened, the card slot of the connecting lock rod can just be stuck into the connecting column. By restricting the positions of the protective panel and the base through the two end connecting rods, the protective panel and the base can be quickly rotated to a suitable angle, which is convenient for the card slot of the connecting lock rod to be stuck into the connecting column. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the protection of the elevator shaft door opening in the prior art;

[0023] Figure 2 It is a schematic diagram of the structure of the temporary edge protection railing of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of the connecting lock rod of the utility model;

[0025] Figure 4 It is a schematic diagram of the structure of the protective panel of the utility model.

[0026] In the figure: 1. Base; 2. Protective panel; 21. Vertical column; 22. Cross bar; 23. Middle vertical rod; 24. Sealing net; 3. End connecting rod; 4. Connecting column; 5. Connecting lock rod; 51. Card slot; 10. Elevator shaft; 20. Temporary edge protection railing. Detailed Embodiments

[0027] To make the objectives, technical solutions and advantages of the present utility model clearer, the technical solutions in the present utility model will be clearly and completely described below with reference to the accompanying drawings of the present utility model.

[0028] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined. In addition, the terms "mounted", "connected" and "connected to" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] Embodiment

[0032] Referring to Figures 2 - 4 , a temporary edge protection railing for the door opening of an elevator shaft, comprising a base 1, a protection panel 2, two end connecting rods 3, a connecting column 4 and a connecting lock rod 5;

[0033] The lower end of the protective panel 2 is hinged to the front end of the base 1; one end of the two end connecting rods 3 are hinged to each other, and the other ends are respectively hinged to the rear end of the base 1 and the upper end of the protective panel 2; the connecting column 4 is fixed to the side of the protective panel 2; one end of the connecting lock rod 5 is hinged to the base 1, and the other end is provided with a slot 51, wherein when the protective panel 2 and the base 1 are rotated until the two end connecting rods 3 are tightened, the slot 51 of the connecting lock rod 5 can just fit into the connecting column 4.

[0034] When the edge protection railing is in use, the base 1 is fixed to the floor outside the elevator shaft door opening by expansion bolts, and the protection panel 2 is rotated until the two end connecting rods 3 are tightened. Preferably, when the protection panel 2 and the base 1 are rotated to an angle of 90°, the two end connecting rods 3 are tightened to each other, and then the connecting locking rod 5 is rotated so that its slot 51 is inserted into the connecting column 4, thereby fixing the position of the protection panel 2 and the base 1, and the protection panel 2 protects the elevator shaft door opening.

[0035] When construction is required inside the elevator shaft later, there is no need to remove the edge guardrail 20. It is only necessary to disengage the slot 51 of the connecting lock rod 5 from the connecting column 4, and then put down the protection panel 2, and the construction personnel can enter the elevator shaft to carry out construction. After the construction inside the elevator shaft is completed, the protection panel 2 is rotated again until the two end connecting rods 3 are tightened, and then the connecting lock rod 5 is rotated so that its slot 51 is inserted into the connecting column 4, thereby restoring the protection of the elevator shaft door opening by the protection panel 2.

[0036] The protective panel 2 of the utility model is hinged to the base 1. The protective panel 2 can be erected to protect the elevator shaft door opening, and the protective panel 2 can also be put down to facilitate construction workers to enter the elevator shaft for construction. The operation is very convenient. During the construction process, the edge protection railings do not need to be repeatedly dismantled and installed, thereby improving the construction efficiency.

[0037] When the protective panel 2 and the base 1 are rotated until the two end connecting rods 3 are tightened, the slot 51 of the connecting lock rod 5 can just be inserted into the connecting column 4. The positions of the protective panel 2 and the base 1 are limited by the two end connecting rods 3, and the protective panel 2 and the base 1 can be quickly rotated to a suitable angle, which facilitates the slot 51 of the connecting lock rod 5 to be inserted into the connecting column 4.

[0038] In a specific embodiment, at least one connecting column 4 is provided on both sides of the protective panel 2, and connecting locking rods 5 corresponding to the connecting columns 4 are provided on both sides of the base 1. Multiple connecting columns 4 and connecting locking rods 5 on both sides can ensure the connection strength between the protective panel 2 and the base 1.

[0039] In a specific embodiment, the locking groove 51 of the connecting locking rod 5 is located at the lower side of the end thereof, which can prevent the connecting locking rod 5 from being separated from the connecting column 4 under the action of gravity.

[0040] In a specific embodiment, the protection panel 2 includes two vertical columns 21, three cross bars 22, a middle vertical rod 23 and a sealing net 24; the three cross bars 22 are fixed between the two vertical columns 21; the middle vertical rod 23 is fixed in the middle of the three cross bars 22; the sealing net 24 is fixed in the space formed by enclosing the vertical columns 21, the cross bars 22 and the vertical rod.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An edge protection railing for an elevator shaft door opening, characterized in that: include Base; A protective panel, the lower end of which is hinged to the front end of the base; Two end connecting rods, one end of which is hinged to each other, and the other end is respectively hinged to the rear end of the base and the upper end of the protective panel; a connecting column is fixed to the side of the protective panel; A connecting lock rod has one end hinged to the base and the other end provided with a slot, wherein when the protective panel and the base are rotated until the two end connecting rods are tightened, the slot of the connecting lock rod can just fit into the connecting column.

2. The edge protection railing for an elevator shaft door opening according to claim 1, characterized in that: At least one connecting column is disposed on both sides of the protection panel, and connecting locking rods corresponding to the connecting column are disposed on both sides of the base.

3. The edge protection railing for an elevator shaft door opening according to claim 1, characterized in that: The locking slot for connecting the locking rod is located at the lower side of the end portion thereof.

4. The edge protection railing for an elevator shaft door opening according to claim 1, characterized in that: When the protective panel and the base are rotated to an angle of 90°, the two end connecting rods are tightened.

5. The edge protection railing for an elevator shaft door opening according to claim 1, characterized in that: The protective panel comprises Two uprights; three cross bars fixed between the two uprights; A middle vertical pole, fixed at the middle of the three horizontal poles; The sealing net is fixed in the space formed by the upright posts, the cross bars and the upright posts.