Punching-free fixed elevator shaft protective door

By using sliding grooves and fastening rods to fix the elevator shaft protective door, the installation without punching and multiple use is achieved, solving the problems of high cost and easy falling off of traditional fixtures, and improving construction efficiency and safety .

CN222454234UActive Publication Date: 2025-02-11CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP +1
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Patent Information

Application Number
CN202421348112.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-11
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The fixing device of traditional elevator shaft protective doors requires manual holes, which are easy to fall off after installation, which is costly, and is difficult to use multiple times, affecting construction efficiency.

Method used

Adopt a hole-free fixing method. By setting sliding grooves on both sides of the protective door, the fastener is connected to the fastener through the sliding groove, and the fastener is in contact with the inner wall of the elevator shaft door, and the fastener can slide along the The groove slides to facilitate easy installation and disassembly of protective doors.

Benefits of technology

It can be installed and fixed without drilling. The material can be used multiple times, which is convenient to construct and saves materials. It is suitable for elevator shaft doors of different sizes, improving construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a punching-free fixed elevator shaft protective door which comprises a protective door body, the protective door body is provided with sliding grooves, the sliding grooves are formed in the two sides of the protective door body and extend from the side edges to the center, fasteners are arranged in the sliding grooves, one ends of the fasteners penetrate through the sliding grooves to be connected with the fasteners, and the other ends of the fasteners abut against the inner side wall of the elevator shaft door body. And the fastener can slide along the sliding groove. Punching and fixing are not needed, one-time input materials are not needed, repeated use can be achieved, construction is convenient and fast, and materials are saved.
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Description

Technical Field

[0001] The present application relates to the field of safety protection technology, and in particular to a punch-free fixed elevator shaft protection door. Background Art

[0002] In modern urban buildings, elevators have become an indispensable means of transportation. In the process of construction engineering, the fixing device of the elevator shaft protective door is particularly important. The traditional elevator shaft protective door is fixed to the walls on both sides of the elevator door with expansion bolts. Manual drilling is required before installation, which is time-consuming and laborious; the bolts and fixing nuts are easy to fall off after installation, and the expansion bolts are disposable fixing materials with high cost; once fixed, it is very inconvenient to re-drill and install when changing the installation position; after the temporary protection is removed, the expansion bolts and other fixings need to be cut and polished for the second time. Not only does it affect the safety of the elevator shaft protection, but it also brings great trouble to the interface processing during the subsequent removal, which leads to low construction efficiency. Utility Model Content

[0003] Based on this, it is necessary to provide a punch-free fixed elevator shaft protective door to overcome the defects in the above-mentioned background technology.

[0004] A punch-free fixed elevator shaft protective door comprises a protective door, wherein the protective door is provided with a sliding groove, wherein the sliding groove is arranged on both sides of the protective door and extends from the side to the center, wherein a fastening rod is arranged in the sliding groove, wherein one end of the fastening rod passes through the sliding groove and is connected to a fastener, and the other end of the fastening rod abuts against an inner wall of the elevator shaft door, and the fastening rod can slide along the sliding groove.

[0005] As a preferred embodiment of the punch-free fixed elevator shaft protective door in the utility model, the protective door includes a main body and a fixing piece, the fixing piece is connected to the main body away from the wall side and arranged in the horizontal direction, and the sliding groove is arranged along the axial direction of the fixing piece.

[0006] As a preferred embodiment of the punch-free fixed elevator shaft protective door in the utility model, a skirting board is provided at the bottom of the main body.

[0007] As a preferred embodiment of the punch-free fixed elevator shaft protective door in the utility model, the main body is also provided with a warning line.

[0008] As a preferred embodiment of the punch-free fixing of the elevator shaft protective door in the utility model, the length of the fixing member is greater than the width of the elevator shaft door.

[0009] As a preferred embodiment of the utility model for fixing the elevator shaft protective door without drilling, the fastening rod is L-shaped, one end of which is provided with an external thread, and the fastener is screwed and connected with the external thread.

[0010] Beneficial effects of the utility model:

[0011] The utility model does not need to be fixed by drilling holes, and no one-time input of materials is required. It can be used repeatedly, is convenient for construction, and saves materials.

[0012] The utility model is suitable for safety protection of elevator shaft door openings of different sizes by matching the fastener with the sliding groove, and has a wider application range;

[0013] The utility model can be quickly moved upwards when performing ground operations without the need for re-drilling and installation, thereby making the ground operation process safer and faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a front view of the protective door in the embodiment of the present application;

[0016] Figure 2 A top view of the protective door in the embodiment of the present application;

[0017] Description of reference numerals:

[0018] 1. Protective door; 11. Main body; 12. Fixing piece; 2. Sliding groove; 3. Fastening rod; 4. Fastener; 5. Skirting board. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0020] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0022] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0025] Example

[0026] A punch-free fixed elevator shaft protective door, such as Figure 1 and Figure 2 As shown, it includes a protective door 1, a sliding groove 2, a fastening rod 3 and a fastener 4. The sliding groove 2 is arranged on both sides of the protective door 1, and there are multiple sliding grooves 2, which extend from the side of the protective door 1 to the center. One end of the fastening rod 3 passes through the sliding groove 2 and is connected to the fastener 4, and the other end thereof abuts against the inner wall of the elevator shaft door. The fastening rod 3 can slide along the sliding groove 2, and the protective door 1 can be disassembled and assembled to the elevator shaft by adjusting the fastener 4.

[0027] In this embodiment, the protective door 1 includes a main body 11 and a fixing member 12, the main body 11 includes a frame, and a plurality of vertically spaced railings are arranged in the frame; the fixing member 12 is connected to the main body 11 away from the wall side and is arranged in the horizontal direction, the sliding groove 2 is arranged along the axial direction of the fixing member 12, and one end of the fastening rod 3 passes through the gap between the sliding groove 2 and the railing in turn and is connected to the inner wall of the elevator shaft door.

[0028] In this embodiment, a skirting board 5 is provided at the bottom of the body 11 to prevent debris from falling into the elevator shaft through the elevator shaft opening and endangering the safety of life and property. A warning line is also provided on the outside of the body 11 to remind the operator that there is a dangerous area here.

[0029] In this embodiment, the length of the fixing member 12 should be greater than the width of the elevator shaft door so that the fastening rod 3 can fix the protective door 1 at the elevator shaft opening.

[0030] In this embodiment, the fastening rod 3 is L-shaped, one end of which is provided with an external thread, and the fastener 4 is a nut, which is screwed together with the external thread to fix the protective door 1.

[0031] In this embodiment, the diameter of the fastening rod 3 is smaller than the width of the sliding slot 2 to facilitate its sliding.

[0032] In this embodiment, the fastening rod 3 can be processed and manufactured using waste steel bars left at the construction site to save construction costs.

[0033] Working principle: Place the protective door 1 close to the outside of the elevator shaft, pass the end of the fastening rod 3 without external threads through the gap between the sliding groove 2 and the side railing close to the wall in sequence, abut the end of the fastening rod 3 without external threads against the inner wall of the elevator shaft, and fasten the fastener 4 with the external thread to install and fix the elevator shaft protective door. When the elevator shaft protective door is removed, the fixing device is disassembled for turnover use.

[0034] The elevator shaft protective door in the utility model can be installed without drilling holes, can realize factory batch processing, is easy to install and disassemble, and can adjust the position of the fastening rod 3 through the sliding groove 2 to adapt to elevator doors of different sizes, with a wider range of applications; when performing ground operations, it can be moved upward quickly without re-drilling and installation, making the ground operation process safer and faster.

[0035] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A punch-free fixed elevator shaft protective door, comprising a protective door (1), characterized in that: The protective door (1) is provided with a sliding groove (2), the sliding groove (2) is arranged on both sides of the protective door (1), and extends from the side to the center. A fastening rod (3) is provided in the sliding groove (2), one end of the fastening rod (3) passes through the sliding groove (2) and is connected to the fastener (4), and the other end thereof abuts against the inner wall of the elevator shaft door, and the fastening rod (3) can slide along the sliding groove (2).

2. The punch-free fixed elevator shaft protective door according to claim 1 is characterized in that: The protective door (1) comprises a main body (11) and a fixing member (12); the fixing member (12) is connected to the main body (11) away from the wall side and arranged in a horizontal direction; and the sliding groove (2) is arranged in an axial direction of the fixing member (12).

3. The punch-free fixed elevator shaft protective door according to claim 2 is characterized in that: A skirting board (5) is provided at the bottom of the body (11).

4. The punch-free fixed elevator shaft protective door according to claim 3 is characterized in that: The body (11) is also provided with a warning line.

5. The punch-free fixed elevator shaft protective door according to claim 2 is characterized in that: The length of the fixing member (12) is greater than the width of the elevator shaft door.

6. The punch-free fixed elevator shaft protective door according to claim 1 is characterized in that: The fastening rod (3) is L-shaped, one end of which is provided with an external thread, and the fastening piece (4) is screwed and connected to the external thread.

Citation Information

Cited By

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