Construction elevator protective door

By introducing a locking mechanism and a ring wheel structure into the construction elevator protective door, the problem of lack of safety locking in the existing technology is solved, the stable closure and convenient movement of the protective door are achieved, and the safety of the construction site is improved.

CN223446688UActive Publication Date: 2025-10-17CHINA SHANXI SIJIAN GRP
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422843076.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-17
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The existing construction elevator protective doors lack an effective safety locking mechanism, which leads to safety hazards when the closed state is unstable. The existing technology cannot effectively solve the safety locking structure of the elevator protective door, which is prone to safety hazards.

Method used

A construction elevator protective door is designed with a locking mechanism, including a movable plate, a connecting rod, a pedal and a limit clamp. By stepping on the pedal, the connecting rod and the movable plate are driven down, the spring is compressed, the limit clamp is lowered, and locked in the limit clamp groove at the bottom of the protective door panel, thereby increasing the stability of the closed state. The ring and wheel structure are used to facilitate movement and installation.

Benefits of technology

The closing stability of the protective door is improved, the safety is enhanced, and it is easy to move and install, reducing the safety hazards during the construction process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223446688U_ABST
    Figure CN223446688U_ABST
Patent Text Reader

Abstract

The utility model discloses a construction elevator protective door, which particularly relates to the technical field of elevator equipment and comprises a fixing frame, a first protective door plate and a second protective door plate are symmetrically connected to the inner side of the fixing frame, and slogan areas are arranged in the middles of the first protective door plate and the second protective door plate. Reflective stickers are bonded to the outer surfaces of the bottoms of the first protective door plate and the second protective door plate, rotating shafts are connected between the upper and lower edges of the first protective door plate and the second protective door plate and the upper and lower inner walls of the fixing frame, and metal protective nets are arranged in the first protective door plate and the second protective door plate; a locking mechanism used for limiting the bottoms of the first protection door plate and the second protection door plate is arranged at the bottom of the fixing frame. According to the construction elevator protective door, the locking mechanism is arranged, a safety locking structure for the first protective door plate and the second protective door plate in the closed state is additionally arranged, the stability of the two protective door plates after being closed is improved, and an operator can conveniently move the construction elevator protective door.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator equipment technical field more specifically, the utility model relates to a construction elevator protective door. BACKGROUND

[0002] The construction elevator protective door is a protective facility for preventing personal injury in a construction site, which is suitable for various construction sites. The construction elevator protective door mainly functions to close the elevator shaft in a construction site to prevent workers or materials from falling into the elevator shaft, thereby serving as an effective safety barrier to reduce accidents. The construction elevator protective door is composed of a door leaf, a door frame, a door lock, a door shaft, etc. The door leaf is generally made of steel plate, and the door frame is generally made of angle steel or rectangular tube.

[0003] According to the search, the construction elevator protective door with publication number CN212198084U is disclosed. The two clamping pieces of the fixed clamps on both sides of the outer door frame are fixedly connected through the rotating shaft. The bolt on the fixed clamp is twisted out, the fixed clamp is clamped on the fixed column, the bolt is tightened, the outer door frame can be fixed on the fixed column, the operation process is convenient, the work efficiency is improved, the buckles on both sides of the protective door are stable, the risk of falling from the building for the construction personnel is avoided, the sliding rod and the pressing block are set, when the hole of the pressing block is aligned with the hole of the fixed block, the sliding rod is continuously pushed into the hole, then the pressing block is loosened, the sliding rod is fixed, the elevator protective door is closed, the risk of falling from the building for the construction personnel is avoided, the shock pad is set, when the construction produces vibration, the vibration is reduced, the protective door is prevented from shaking and loosening.

[0004] The closing structure of the above-mentioned construction elevator protective door is designed in the middle position, which is actually not much different from the existing door lock pin structure, but in actual use, the closing effect of the elevator protective door is the same, that is, the stress position of the closing position is the same. When the existing door lock pin and the above-mentioned door plate closing structure have problems or have been opened, there is lack of an insurance locking mechanism for the elevator protective door, which is easy to cause safety hazards. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a construction elevator protective door.

[0006] To achieve the above object, the utility model provides the following technical scheme: A construction elevator protection door, including fixed frame, the inside symmetry of fixed frame is connected with first protection door board and second protection door board, the middle part of first protection door board and second protection door board all is provided with slogan area, and the bottom outer surface of first protection door board and second protection door board is bonded with reflective sticker, the upper and lower two edges of first protection door board and second protection door board are connected with the upper and lower two inner walls of fixed frame between between, and the inside of first protection door board and second protection door board all is provided with metal protection net, the bottom of fixed frame is provided with the locking mechanism for the limiting of first protection door board and second protection door board bottom, the two outer walls of fixed frame all are provided with lug, and the outer wall of each lug all is provided with connecting rod, and the inside of lug of fixed frame both sides is inserted with vertical rod along the vertical direction, the bottom of vertical rod is provided with limit end block, and the outside of vertical rod is provided with the sleeve ring of the position of the upper position of limit end block, the outer wall of sleeve ring is fixedly connected with fixed plate, the bottom of fixed plate is fixedly connected with connecting column, the bottom of connecting column is installed with wheel.

[0007] As a further improvement of the utility model technical scheme, the first protection door board and second protection door board are rotatably connected with the fixed frame through the shaft, and a door lock latch structure is arranged between the middle portions of the first protection door board and the second protection door board.

[0008] As a further improvement of the utility model technical scheme, the locking mechanism comprises a movable plate mounted in the fixed frame, an active cavity is formed in the inner wall of the fixed frame corresponding to the outer portion of the movable plate along the vertical direction, a plurality of springs are connected between the bottom of the movable plate and the bottom of the active cavity, a plurality of vertically arranged perforations are arranged at the top end of the movable plate, the top of the perforation extends to the bottom of the first protection door board and the second protection door board, a connecting rod is fixedly connected to the outer wall of the movable plate along the horizontal direction, and the end of the connecting rod extends to the outer portion of the fixed frame and is fixedly connected with a pedal.

[0009] As a further improvement of the utility model technical scheme, a perforation is formed in the inner wall of the bottom of the fixed frame corresponding to the outer portion of the limiting clamping column, a limiting clamping groove is arranged in the bottom of the first protection door board and the second protection door board for inserting the limiting clamping column, and the inner diameters of the limiting clamping groove and the perforation are greater than the outer diameter of the cross section of the limiting clamping column.

[0010] As a further improvement of the utility model technical scheme, the connecting mode between the outer wall of the connecting rod, the outer wall of the movable plate and the inner wall of the pedal is welding, and an active hole is formed in the outer wall of the fixed frame corresponding to the outer portion of the connecting rod along the vertical direction.

[0011] The inside of the lug plate is provided with a through hole for the vertical rod to pass through, and the outer wall of the lug plate is connected with a first locking bolt for locking the position of the vertical rod.

[0012] The inside of the lug plate is provided with a through hole for the vertical rod to pass through, and the outer wall of the lug plate is connected with a first locking bolt for locking the position of the vertical rod.

[0013] The utility model discloses the beneficial effect that:

[0014] 1, through setting up locking mechanism, at the time of use, operator uses foot to step down the pedal, drives connecting rod and movable plate to descend, when the first protective door board and second protective door board adopt the door lock latch structure closed with self -bearing, release the pedal, spring reset pushes movable plate and limit card column and rise, make limit card column card in the limit card slot inside first protective door board and second protective door board bottom complete locking, increase to first protective door board and second protective door board closed state under the insurance locking mechanism, improve the stability of two protective door boards after closing, improve the security when using.

[0015] 2, through setting up the ring, fixed plate, connecting column and wheel, make when needing to the construction elevator protection door move, adjust the position of ring outside vertical rod and descend and make wheel descend after, use second locking bolt and fix the ring, thereby keep the position stability of wheel, convenient operator will construction elevator protection door position moves, and when needing to place, utilize the connection of connecting rod and both sides object and keep fixed, thereby the construction elevator protection door can be stably installed at the construction elevator mouth outside position. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model.

[0017] Figure 2 It is the connecting structure schematic diagram of fixed plate and ring, connecting column in the utility model.

[0018] Figure 3 It is the sectional view of locking mechanism installation place in the utility model.

[0019] Figure 4 It is the local structure schematic diagram of locking mechanism in the utility model.

[0020] The reference signs are: 1, fixed frame; 2, first protective door plate; 3, second protective door plate; 4, slogan area; 5, metal protective net; 6, rotating shaft; 7, reflective sticker; 8, movable plate; 9, limiting clamping column; 10, first locking bolt; 11, limiting clamping groove; 12, through hole; 13, movable cavity; 14, spring; 15, connecting rod; 16, pedal; 17, movable hole; 18, ear plate; 19, connecting rod; 20, vertical rod; 21, limiting end block; 22, sleeve ring; 23, second locking bolt; 24, fixed plate; 25, connecting column; 26, wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 scope of protection of the utility model.

[0022] As shown in the drawings, Figures 1-4 A construction elevator protective door, comprising a fixed frame 1, the inner side of the fixed frame 1 is symmetrically connected with a first protective door plate 2 and a second protective door plate 3, the middle part of the first protective door plate 2 and the second protective door plate 3 is provided with a slogan area 4, and the bottom outer surface of the first protective door plate 2 and the second protective door plate 3 is bonded with a reflective sticker 7, the upper and lower edges of the first protective door plate 2 and the second protective door plate 3 are connected with the upper and lower inner walls of the fixed frame 1 through rotating shafts 6, and the inside of the first protective door plate 2 and the second protective door plate 3 is provided with a metal protective net 5, the bottom of the fixed frame 1 is provided with a locking mechanism for limiting the bottom of the first protective door plate 2 and the second protective door plate 3, the outer wall of each ear plate 18 is provided with a connecting rod 19, the inside of the ear plate 18 on the two sides of the fixed frame 1 is inserted with a vertical rod 20 in the vertical direction, the bottom end of the vertical rod 20 is provided with a limiting end block 21, the outside of the vertical rod 20 is provided with a sleeve ring 22 near the upper position of the limiting end block 21, the outer wall of the sleeve ring 22 is fixedly connected with a fixed plate 24, the bottom end of the fixed plate 24 is fixedly connected with a connecting column 25, and the bottom of the connecting column 25 is provided with a wheel 26.

[0023] As shown in the drawings, Figure 1 The first protective door plate 2 and the second protective door plate 3 are rotatably connected with the fixed frame 1 through the rotating shafts 6, and a door lock latch structure is arranged between the middle parts of the first protective door plate 2 and the second protective door plate 3, so that the installation and closing of the protective door plate are facilitated.

[0024] As shown in the drawings, Figure 1 and the drawings, Figures 3-4As shown, the locking mechanism includes a movable plate 8 mounted inside the fixed frame 1, the inner wall of the fixed frame 1 is provided with a movable cavity 13 corresponding to the outside of the movable plate 8 in the vertical direction, a plurality of springs 14 are connected between the bottom end of the movable plate 8 and the bottom of the movable cavity 13, and the top end of the movable plate 8 is provided with a plurality of vertically arranged perforations 12, the top of the perforation 12 extends to the bottom of the first protective door plate 2 and the second protective door plate 3, the outer wall of the movable plate 8 is fixedly connected with a connecting rod 15 in the horizontal direction, one end of the connecting rod 15 extends to the outside of the fixed frame 1 and is fixedly connected with a pedal 16, the bottom inner wall of the fixed frame 1 is provided with a perforation 12 corresponding to the outside of the limiting clamping column 9, the bottom of the first protective door plate 2 and the second protective door plate 3 is provided with a limiting clamping groove 11 for inserting the limiting clamping column 9, the inner diameter of the limiting clamping groove 11 and the perforation 12 is greater than the cross-sectional outer diameter of the limiting clamping column 9, the connecting mode between the outer wall of the connecting rod 15 and the movable plate 8 and the inner wall of the pedal 16 is welding, the outer wall of the fixed frame 1 is provided with a movable hole 17 corresponding to the outside of the connecting rod 15 in the vertical direction, the locking mechanism is arranged to further lock the bottom of the first protective door plate 2 and the second protective door plate 3 during use, thereby increasing the safety locking mechanism of the first protective door plate 2 and the second protective door plate 3 in the closed state.

[0025] As shown in the accompanying Figure 1 As shown, the inside of the lug plate 18 is provided with a through hole for the vertical rod 20 to pass through, and the outer wall of the lug plate 18 is connected with the first locking bolt 10 for locking the position of the vertical rod 20, which facilitates the insertion, position adjustment and locking of the vertical rod 20 in the lug plate 18.

[0026] As shown in the accompanying Figures 1-2 As shown, the inside of the lug plate 18 is provided with a through hole for the vertical rod 20 to pass through, and the outer wall of the lug plate 18 is connected with the first locking bolt 10 for locking the position of the vertical rod 20, which facilitates the insertion, position adjustment and locking of the vertical rod 20 in the lug plate 18.

[0027] Working principle: the utility model discloses a construction elevator protective door, and the specific structure is as shown in the accompanying Figures 1-4As shown, the construction elevator protection door body structure is set up, and the two protection door plates are provided with a slogan area 4, a metal protection net 5, a reflective sticker 7 and a door lock bolt structure between the two protection door plates, in the technical scheme, the bottom of the fixed frame 1 is provided with a locking mechanism for limiting the bottom of the first protection door plate 2 and the second protection door plate 3, in use, the operator steps on the pedal 16, drives the connecting rod 15 and the movable plate 8 to descend, at this time, the spring 14 is compressed, the limiting clamping column 9 is lowered, when the first protection door plate 2 and the second protection door plate 3 are closed by the door lock bolt structure, the pedal 16 is released, the spring 14 is reset to push the movable plate 8 and the limiting clamping column 9 to rise, so that the limiting clamping column 9 is clamped in the limiting clamping groove 11 at the bottom of the first protection door plate 2 and the second protection door plate 3 to complete locking, and the insurance locking mechanism of the first protection door plate 2 and the second protection door plate 3 in the closed state is increased, and the sleeve ring 22 is sleeved on the outer portion of the vertical rod 20 and above the limiting end block 21, the outer wall of the sleeve ring 22 is fixedly connected with the fixed plate 24, the bottom end of the fixed plate 24 is fixedly connected with the connecting column 25, and the bottom of the connecting column 25 is provided with the wheel 26, so that when the construction elevator protection door needs to be moved, the position of the sleeve ring 22 is adjusted to make the wheel 26 descend, and then the second locking bolt 23 is used to fix the sleeve ring 22, so that the position of the wheel 26 is stable, the construction elevator protection door is convenient for the operator to move, and when it needs to be placed, the connecting rod 19 is connected with the two sides of the object to keep fixed, so that the construction elevator protection door can be stably installed outside the construction elevator port.

[0028] In the drawings of the utility model, only the structures related to the embodiments of the utility model are involved, other structures can be referred to the general design, and the same embodiments and different embodiments of the utility model can be combined with each other under the condition of no conflict;

[0029] Finally, the above-mentioned is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A construction elevator protective door, comprising a fixed frame (1), wherein a first protective door panel (2) and a second protective door panel (3) are symmetrically connected to the inner side of the fixed frame (1), a slogan area (4) is provided in the middle of the first protective door panel (2) and the second protective door panel (3), and a reflective sticker (7) is adhered to the bottom outer surface of the first protective door panel (2) and the second protective door panel (3), a rotating shaft (6) is connected between the upper and lower edges of the first protective door panel (2) and the second protective door panel (3) and the upper and lower inner walls of the fixed frame (1), and a metal protective net (5) is provided inside the first protective door panel (2) and the second protective door panel (3), characterized in that: The bottom of the fixed frame (1) is provided with a locking mechanism for limiting the bottom of the first protective door panel (2) and the second protective door panel (3), and both outer walls of the fixed frame (1) are provided with ear plates (18), and the outer wall of each ear plate (18) is provided with a connecting rod (19), and vertical rods (20) are inserted into the inner part of the ear plates (18) on both sides of the fixed frame (1) along the vertical direction, and a limiting end block (21) is provided at the bottom end of the vertical rod (20), and a ring (22) is sleeved on the outer part of the vertical rod (20) near the upper position of the limiting end block (21), and the outer wall of the ring (22) is fixedly connected to a fixed plate (24), and the bottom end of the fixed plate (24) is fixedly connected to a connecting column (25), and a wheel (26) is installed at the bottom of the connecting column (25).

2. The construction elevator protective door according to claim 1, characterized in that: The first protective door panel (2) and the second protective door panel (3) are rotatably connected to the fixed frame (1) via a rotating shaft (6), and a door lock latch structure is provided between the middle portions of the first protective door panel (2) and the second protective door panel (3).

3. The construction elevator protective door according to claim 1, characterized in that: The locking mechanism includes a movable plate (8) installed inside a fixed frame (1), an inner wall of the fixed frame (1) is provided with a movable cavity (13) in a vertical direction corresponding to the outside of the movable plate (8), a plurality of springs (14) are connected between the bottom end of the movable plate (8) and the bottom of the movable cavity (13), and a plurality of vertically arranged through-holes (12) are provided at the top end of the movable plate (8), the tops of the through-holes (12) extend to the bottoms of the first protective door panel (2) and the second protective door panel (3), the outer wall of the movable plate (8) is fixedly connected to a connecting rod (15) in a horizontal direction, and one end of the connecting rod (15) extends to the outside of the fixed frame (1) and is fixedly connected to a pedal (16).

4. The construction elevator protective door according to claim 3, characterized in that: The bottom inner wall of the fixed frame (1) is provided with a perforation (12) corresponding to the outside of the limiting column (9), and the bottoms of the first protective door panel (2) and the second protective door panel (3) are both provided with a limiting slot (11) for inserting the limiting column (9), and the inner diameters of the limiting slot (11) and the perforation (12) are both larger than the outer diameter of the cross section of the limiting column (9).

5. The construction elevator protective door according to claim 3, characterized in that: The connection between the connecting rod (15) and the outer wall of the movable plate (8) and the inner wall of the pedal (16) is achieved by welding, and a movable hole (17) is provided on the outer wall of the fixed frame (1) corresponding to the outside of the connecting rod (15) in the vertical direction.

6. The construction elevator protective door according to claim 1, characterized in that: A through hole for the vertical rod (20) to pass through is provided inside the ear plate (18), and a first locking bolt (10) for locking the position of the vertical rod (20) is connected to the outer wall of the ear plate (18).

7. The construction elevator protective door according to claim 1, characterized in that: The collar (22) is provided with a hole for the vertical rod (20) to pass through, and the outer wall of the collar (22) is connected to a second locking bolt (23) for locking the position of the vertical rod (20). The connection between the fixing plate (24), the outer wall of the collar (22) and the top of the connecting column (25) is welded, and the top of the wheel (26) and the bottom of the connecting column (25) are fixedly connected by screws.

Citation Information

Patent Citations

  • Construction elevator protective door

    CN212198084U