Elevator opening protection device

Abstract

The utility model relates to the technical field of building construction, and particularly provides an elevator opening protection device which comprises a protection net piece used for covering an elevator opening. A plurality of hanging holes are formed in the protective mesh; the multiple opposite-pulling assemblies comprise opposite-pulling rods, the opposite-pulling rods are oppositely provided with clamping and fixing parts and hanging point parts, the clamping and fixing parts are used for being clamped and fixed to a shear wall of the elevator opening, and the hanging point parts are provided with shifting piece plates; when the protective net piece needs to be hung and fixed, the clamping and fixing part is fixed to a shear wall of the elevator opening, and the piece stirring plate is pulled out to limit the hanging hole in the hanging point part. Therefore, the purpose of stabilizing the protective mesh without punching on the wall surface of the elevator shaft opening is achieved, the problem that the wall surface is damaged due to the fact that a traditional protective device depends on expansion bolt installation is solved, and the integrity of the wall body is kept.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to an elevator opening protection device. BACKGROUND

[0002] The elevator opening protection device is a key safety facility installed at the elevator shaft opening, usually made of steel, aluminum alloy or stainless steel, etc., with sufficient structural strength and stability. Its main function is to prevent personnel or objects from accidentally falling into the elevator shaft, thereby avoiding personal injury or elevator failure.

[0003] However, in the installation process of the existing elevator opening protection device, expansion bolts are usually needed to be punched at the elevator shaft opening, and the protection net is fixed. Such installation method will damage the original wall structure, especially in the area where the mortar has been laid, punching is needed, and repair is needed later, which increases the complexity and cost of construction.

[0004] Therefore, the existing technology has defects and deficiencies, and needs to be further improved and developed. CONTENT OF THE UTILITY MODEL

[0005] In view of the above deficiencies of the prior art, the purpose of the present application is to provide an elevator opening protection device, which aims to solve the problem that the existing elevator opening protection device will damage the wall structure of the elevator shaft opening.

[0006] The technical scheme adopted by the present application to solve the technical problem is as follows: an elevator opening protection device, comprising:

[0007] a protection net for covering the elevator opening; a plurality of hanging holes are provided on the protection net;

[0008] a plurality of pairs of tensioning components, each of the plurality of pairs of tensioning components comprises a tensioning rod, the tensioning rod oppositely provided with a clamping portion and a hanging point portion, the clamping portion is used for clamping and fixing on the shear wall of the elevator opening, and the hanging point portion is provided with a push plate;

[0009] When it is needed to mount and fix the protection net, the clamping portion is fixed on the shear wall of the elevator opening, and the push plate is pushed out to limit the hanging hole in the hanging point portion.

[0010] Optionally, the clamping portion comprises a rear tensioning plate, the rear tensioning plate is arranged at one end of the tensioning rod away from the hanging point portion, and a contact surface is arranged on one side of the rear tensioning plate facing the hanging point portion.

[0011] Optionally, the contact surface is provided with a concave-convex surface or a prick point, and the rear tensioning plate is arranged at a right angle with the tensioning rod.

[0012] Optionally, the clamping part further comprises a limiting sheet, which is arranged on one side of the pair of pull rods close to the hanging point part.

[0013] Optionally, the limiting sheet is semicircular in shape, and the flange of the limiting sheet is 8-12 mm.

[0014] Optionally, the clamping part further comprises:

[0015] a fastening thread arranged on the pair of pull rods, which is located behind the limiting sheet;

[0016] a front pull plate, which is sleeved on the pair of pull rods;

[0017] a gasket, which is sleeved on the pair of pull rods, and which is located behind the front pull plate;

[0018] a fastening nut, which is sleeved on the pair of pull rods, and which is located behind the gasket;

[0019] When the pair of pull assembly needs to be fixed to the shear wall of the elevator opening, the rear pull plate is abutted against one side of the shear wall of the elevator opening, the front pull plate and the gasket are sequentially sleeved on the pair of pull rods, the gasket is fixed by using the fastening nut, and the pair of pull assembly is fixed to the shear wall of the elevator opening.

[0020] Optionally, one side of the front pull plate towards the rear pull plate is provided with a concave-convex surface or a spike, and the front pull plate is arranged at a right angle with the pair of pull rods.

[0021] Optionally, the hanging point part comprises:

[0022] a hanging point rod body, which is provided with a push plate through hole;

[0023] a rotating shaft, which is arranged at a middle position of the push plate through hole;

[0024] The rotating shaft passes through the middle of the push plate, and when the push plate is pushed, the push plate rotates in the push plate through hole.

[0025] Optionally, the gasket is square, and the length of the gasket is 50-60 mm.

[0026] The width of the gasket is 50-60 mm, and the height of the gasket is 5-6 mm.

[0027] Optionally, the push plate is provided with a push plate protrusion at both ends, which is used for facilitating the push plate to be pushed out.

[0028] Compared with the prior art, the elevator shaft opening protection device provided in the application achieves the purpose of stably protecting the protection net without punching holes in the elevator shaft opening wall surface by arranging a plurality of hanging holes and a plurality of pull components on the protection net. The pull component is directly fixed to the shear wall through the clamping portion, thereby avoiding the problem of wall surface damage caused by the installation of the traditional protection device relying on expansion bolts, so as to maintain the integrity of the wall. Further, the hanging point portion flexibly limits the position of the hanging hole through the push plate, thereby simplifying the installation and disassembly operation of the protection net, making the device more easily maintained and reused, significantly improving the construction efficiency and reducing the construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a top view of the elevator shaft opening protection device and the shear wall assembly provided in the application;

[0030] Figure 2 is a front view of the elevator shaft opening protection device and the shear wall assembly provided in the application;

[0031] Figure 3 is a top view of the elevator shaft opening protection device and the shear wall assembly provided in the application;

[0032] Figure 4 is a top view of the elevator shaft opening protection device and the shear wall assembly provided in the application; Figure 3 is a sectional view of the I-I position in FIG. 1;

[0033] Figure 5 is a plane schematic view of the hanging point portion of the elevator shaft opening protection device provided in the application.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 10, elevator shaft opening protection device; 11, protection net; 111, hanging hole; 12, pull component; 121, pull rod; 1211, clamping portion; 1212, hanging point portion; 1213, push plate; 1214, rear pull plate; 1215, contact surface; 1216, limiting piece; 1217, fastening thread; 1218, front pull plate; 1219, gasket; 1220, fastening nut; 1221, hanging point rod body; 1222, rotating shaft; 1223, push piece protrusion; 1224, push plate through hole. DETAILED DESCRIPTION

[0036] The embodiments of the application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the application, and cannot be understood as a limitation of the application.

[0037] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0038] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0039] Please refer to the following: Figures 1 to 5The first embodiment of the present application provides an elevator shaft opening protection device 10, which is composed of a protection mesh 11, a tensioning assembly 12, a front tensioning plate 1218, a rear tensioning plate 1214, a fastening nut 1220, a limiting sheet 1216, a poking sheet plate 1213, and a gasket 1219. The protection mesh 11 is uniformly distributed with a plurality of hanging holes 111, and the plurality of hanging holes 111 are used to be connected with a hanging point part 1212; the tensioning assembly 12 includes a clamping part 1211 and the hanging point part 1212, and the detachable connection with the mesh is realized through the design of a hanging point rod body 1221, the poking sheet plate 1213, and a rotating shaft 1222; the clamping part 1211 clamps the shear wall through the front tensioning plate 1218 and the rear tensioning plate 1214, and further enhances the fixing effect through the fastening nut 1220 and the limiting sheet 1216. In the installation process, the clamping part 1211 first clamps the shear wall through the front tensioning plate 1218 and the rear tensioning plate 1214, and the contact surface 1215 of the rear tensioning plate 1214 is provided with a concave-convex surface or a prick point to increase the friction with the wall, so as to improve the stability of the elevator shaft opening protection device 10. In the clamping process, the fastening nut 1220 adjusts the clamping force through the thread of the tensioning rod 121, so that the device can adapt to shear walls with different thicknesses and materials. The protection mesh 11 is connected with the hanging point part 1212 through the hanging holes 111 thereof, and the hanging point part 1212 is composed of the hanging point rod body 1221, the poking sheet plate 1213, and the rotating shaft 1222. The poking sheet plate 1213 can rotate around the rotating shaft 1222 flexibly in the poking plate through hole 1224, and the quick mounting of the mesh is completed through the rotation operation of the poking sheet plate 1213 in the installation process; the poking sheet plate 1213 can also be conveniently poked out in the dismounting process, so as to loosen the hanging holes 111, and the installation and dismounting processes are simplified. The stability of the device under the stress condition is further ensured, the application range of the elevator shaft opening protection device 10 and the protection efficiency of the elevator shaft opening are improved, and the elevator shaft opening protection device 10 can be recycled and reused.

[0040] Please refer to Figures 1 to 2In some embodiments, the elevator shaft protection device 10 comprises a protection net 11 and a plurality of pairs of pulling components 12; the protection net 11 is used to cover the elevator shaft, in particular, the protection net 11 is a shaped protection net 11; a plurality of hanging holes 111 are arranged on the protection net 11; each of the plurality of pairs of pulling components 12 comprises a pulling rod 121, the pulling rod 121 oppositely arranged has a clamping portion 1211 and a hanging point portion 1212, the clamping portion 1211 is used to be clamped and fixed on the shear wall of the elevator shaft, and the hanging point portion 1212 is provided with a push plate 1213; wherein, when it is necessary to mount and fix the protection net 11, the clamping portion 1211 is fixed on the shear wall of the elevator shaft, and the push plate 1213 is pushed out to limit the hanging hole 111 in the hanging point portion 1212. Further, the clamping portion 1211 is directly fixed on the shear wall, avoiding the problem of wall surface damage caused by the traditional protection device relying on expansion bolts for installation, maintaining the integrity of the wall, and further flexibly limiting the position of the hanging hole 111 through the push plate 1213, simplifying the installation and disassembly operation of the protection net 11, making the device more easily maintained and reused, significantly improving the construction efficiency and reducing the construction cost.

[0041] Please refer to Figure 3 In some embodiments, the clamping portion 1211 comprises a rear pulling plate 1214, the rear pulling plate 1214 is arranged at one end of the pulling rod 121 away from the hanging point portion 1212, and a contact surface 1215 is arranged on one side of the rear pulling plate 1214 facing the hanging point portion 1212. Further, the rear pulling plate 1214 is arranged at one end of the pulling rod 121 away from the hanging point portion 1212, and the contact surface 1215 is arranged on the rear pulling plate 1214, so that the pulling component 12 can be stably clamped on the shear wall. The design of the rear pulling plate 1214 not only enlarges the contact surface 1215 with the wall, enhances the supporting capacity of the clamping portion 1211, but also reduces the pressure on the local area of the wall, reduces the risk of wall damage, and is also suitable for shear walls of different materials and thicknesses, further improving the applicability and reliability of the elevator shaft protection device 10.

[0042] Please refer to Figure 4 In some embodiments, the contact surface 1215 is provided with a concave-convex surface or a spike, thereby increasing the friction between the rear pulling plate 1214 and the shear wall, making the protection device more stable when subjected to external force or vibration, and avoiding loosening or slipping. The rear pulling plate 1214 is arranged at a right angle with the pulling rod 121, thereby ensuring that the stress direction of the clamping portion 1211 is perpendicular to the shear wall surface, further optimizing the force transmission mode, so that the elevator shaft protection device 10 still maintains good fastening effect in long-term use.

[0043] Please refer to Figure 3In some embodiments, the clamping portion 1211 further comprises a limiting sheet 1216 arranged on one side of the pair of pull rods 121 close to the hanging point portion 1212. In turn, the positioning accuracy and stability of the pair of pull assembly 12 on the shear wall are improved. The limiting sheet 1216 effectively limits the sliding range of the front and rear pull plates, prevents the protective mesh 11 from loosening due to uneven stress during installation or use, and ensures the safety of the elevator shaft opening protective device 10.

[0044] For reference, please see Figure 3 In some embodiments, the limiting sheet 1216 is semicircular in shape, and the flange of the limiting sheet 1216 is 8-12 mm. In turn, the limiting sheet 1216 can be more closely fitted to the surface of the shear wall, further enhancing the clamping effect. The semicircular design reduces the installation space requirement of the limiting sheet 1216, while enhancing its adaptability to complex wall surfaces, ensuring that the elevator shaft opening protective device 10 can provide stable protection performance under different installation conditions.

[0045] For reference, please see Figure 3 In some embodiments, the clamping portion 1211 further comprises a fastening thread 1217, a front pull plate 1218, a gasket 1219, and a fastening nut 1220. The fastening thread 1217 is arranged on the pair of pull rods 121, and the fastening thread 1217 is located behind the limiting sheet 1216. The front pull plate 1218 is sleeved on the pair of pull rods 121. The gasket 1219 is sleeved on the pair of pull rods 121, and the gasket 1219 is located behind the front pull plate 1218, thereby dispersing the pressure of the device on the wall and reducing the risk of local stress concentration. The fastening nut 1220 is sleeved on the pair of pull rods 121, and the fastening nut 1220 is located behind the gasket 1219, thereby allowing the elevator shaft opening protective device 10 to adjust the clamping force and adapt to different wall thicknesses. When the pair of pull assembly 12 needs to be fixed to the shear wall of the elevator shaft opening, the rear pull plate 1214 is abutted with one side of the shear wall of the elevator shaft opening, and the front pull plate 1218 and the gasket 1219 are sleeved on the pair of pull rods 121 in turn, and the gasket 1219 is fixed using the fastening nut 1220. The pair of pull assembly 12 is fixed to the shear wall of the elevator shaft opening. In turn, the cooperation of the front and rear pull plates 1214 enhances the support effect on the wall, improves the stability and impact resistance of the overall structure, simplifies the installation process, and makes the disassembly of the elevator shaft opening protective device 10 more convenient.

[0046] In some embodiments, the front pull plate 1218 is provided with a concave-convex surface or a spike on one side of the rear pull plate 1214, thereby further improving the clamping force of the pull assembly 12 on the shear wall by increasing the friction, not only enhancing the anti-skid performance, but also improving the anti-vibration capability of the elevator shaft opening protection device 10, adapting to the use in complex construction environment or large vibration scene. The front pull plate 1218 is arranged at a right angle with the pull rod 121. In turn, it ensures uniform distribution of clamping force, avoiding loosening or deformation of the elevator shaft opening protection device 10 due to force deviation.

[0047] For reference, please see Figure 3 In some embodiments, the hanging point part 1212 includes a hanging point rod body 1221 and a rotating shaft 1222, the hanging point rod body 1221 is provided with a push plate through hole 1224; the rotating shaft 1222 is arranged at the middle position of the push plate through hole 1224; wherein the rotating shaft 1222 passes through the middle of the push plate 1213, when the push plate 1213 is pushed, the push plate 1213 will rotate in the push plate through hole 1224. In turn, the push plate 1213 can rotate flexibly in the push plate through hole 1224, facilitating the mounting and dismounting of the protective screen 11.

[0048] In some embodiments, the gasket 1219 is square, the length of the gasket 1219 is 50mm-60mm; the width of the gasket 1219 is 50mm-60mm; the height of the gasket 1219 is 5mm-6mm. In turn, the gasket 1219 can effectively disperse the pressure of the clamping part 1211 on the shear wall, improving the stability of the device during installation and use.

[0049] For reference, please see Figure 5 In some embodiments, the push plate 1213 is provided with a push plate protrusion 1223 at both ends, which is used to facilitate the pushing out of the push plate 1213, thereby providing a good grip point for the operation of the push plate 1213. This design enables users to push the push plate 1213 more easily, reducing the operation difficulty.

[0050] In some embodiments, the pull rod 121 can be made of plastic material, thereby reducing the weight of the pull assembly 12 and facilitating the transportation of the elevator shaft opening protection device 10.

[0051] In some embodiments, the protective screen 11 has elastic hanging holes 111 that can adapt to the changes of the elevator shaft opening, thereby increasing the adaptability and practicality of the elevator shaft opening protection device 10.

[0052] In some embodiments, the length of the smooth surface and the length of the threaded rod of the pull rod 121 can be flexibly set, and the prototype of the pull rod 121 is an M14 pull screw rod, and the exposed part is a 50mm movable bolt, the width of the front pull plate 1218 and the rear pull plate 1214 is set to 50mm-90mm, thereby reducing the cost of the elevator opening protection device 10.

[0053] In summary, the present application provides an elevator opening protection device, which comprises: a protection net, which is used to cover the elevator opening; a plurality of hanging holes are arranged on the protection net; a plurality of pull assemblies, each of which comprises a pull rod, the pull rod oppositely arranged with a clamping part and a hanging point part, the clamping part is used to clamp and fix on the shear wall of the elevator opening, and the hanging point part is provided with a tab plate; wherein, when it is necessary to mount and fix the protection net, the clamping part is fixed on the shear wall of the elevator opening, the tab plate is pulled out to limit the hanging hole in the hanging point part, and then by arranging a plurality of hanging holes and a plurality of pull assemblies on the protection net, the purpose of stably protecting the net without punching holes on the wall surface of the elevator shaft is achieved. The pull assembly is directly fixed on the shear wall through the clamping part, which avoids the problem of wall surface damage caused by the traditional protection device relying on expansion bolts for installation, thereby maintaining the integrity of the wall. Further, the hanging point part flexibly limits the position of the hanging hole through the tab plate, which simplifies the installation and disassembly operation of the protection net, makes the device easier to maintain and reuse, significantly improves the construction efficiency and reduces the construction cost.

[0054] It should be understood that the application of the present application is not limited to the above examples, and those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the claims attached to the present application.

Claims

1. An elevator shaft guard for elevator shaft guarding, characterized in that The elevator shaft protection device comprises: a protection net for covering the elevator shaft; a plurality of hanging holes are arranged on the protection net; a plurality of pairs of pulling assemblies, each of which comprises a pulling rod, the pulling rod oppositely arranged with a clamping portion and a hanging point portion, the clamping portion for clamping and fixing on the shear wall of the elevator shaft, and the hanging point portion provided with a push plate; wherein, when the protection net needs to be hung and fixed, the clamping portion is fixed on the shear wall of the elevator shaft, and the push plate is pushed out to limit the hanging hole in the hanging point portion.

2. The elevator shaft protection device according to claim 1, wherein the clamping portion comprises a rear pulling plate, the rear pulling plate arranged at one end of the pulling rod away from the hanging point portion, and a contact surface arranged on one side of the rear pulling plate facing the hanging point portion.

3. The elevator shaft protection device according to claim 2, wherein the contact surface is provided with a concave-convex surface or a spike, and the rear pulling plate is arranged at a right angle with the pulling rod.

4. The elevator shaft protection device according to claim 3, wherein the clamping portion further comprises a limiting piece, the limiting piece arranged on one side of the pulling rod close to the hanging point portion.

5. The elevator shaft protection device according to claim 4, wherein the limiting piece is semicircular in shape, and the flange of the limiting piece is 8-12 mm.

6. The elevator shaft protection device according to claim 4, wherein the clamping portion further comprises: a fastening thread arranged on the pulling rod, the fastening thread located behind the limiting piece; a front pulling plate sleeved on the pulling rod; a gasket sleeved on the pulling rod, the gasket located behind the front pulling plate; a fastening nut sleeved on the pulling rod, the fastening nut located behind the gasket; wherein, when the pulling assembly needs to be fixed to the shear wall of the elevator shaft, the rear pulling plate is abutted with one side of the shear wall of the elevator shaft, the front pulling plate and the gasket are sequentially sleeved on the pulling rod, the gasket is fixed by using the fastening nut, and the pulling assembly is fixed on the shear wall of the elevator shaft.

7. The elevator shaft protection device according to claim 6, wherein the front pulling plate is provided with a concave-convex surface or a spike on one side facing the rear pulling plate, and the front pulling plate is arranged at a right angle with the pulling rod.

8. The elevator shaft protection device according to claim 6, wherein the hanging point portion comprises: a hanging point rod body provided with a push plate through hole; a rotating shaft arranged at a middle position of the push plate through hole; wherein, the rotating shaft passes through the middle of the push plate, and when the push plate is pushed, the push plate rotates in the push plate through hole.

9. The elevator shaft protection device according to claim 6, wherein the gasket is square, and the length of the gasket is 50-60 mm. The width of the gasket is 50-60 mm; the height of the gasket is 5-6 mm.

10. The elevator hoistway guard of claim 6, wherein, Two ends of the dial plate are provided with dial protrusions, which are used for facilitating dialing out of the dial plate.

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