Protection assembly for preventing door from being opened outwards

Abstract

The utility model relates to an anti-outward-opening near-door protection assembly, which belongs to the technical field of elevator doors, and comprises a door frame body, a control locking mechanism is arranged in the door frame body, the control locking mechanism comprises a first door leaf arranged on the inner side of the door frame body, and the right side of the first door leaf is movably connected with a second door leaf connected with the door frame body. According to the outward-opening-preventing near-door protection assembly, the door frame body is made of an aluminum alloy plate body, the weight is light, corrosion resistance is achieved, the electric push rod and the electromagnetic base are controlled through the control panel, opening and closing of a protection door are achieved, the electric push rod and the electromagnetic base are matched, actions of the lock base and the bolt can be accurately controlled, and reliable opening and closing of the protection door are guaranteed; the design of the sliding blocks and the limiting grooves of the mounting frame ensures that the movable plate moves stably, on the aspect of safety guarantee, an alarm connected with an output line can give an alarm when electrical faults except normal power failure occur, timely maintenance is facilitated, the safety and reliability of the building hoist in the using process are guaranteed, and it can be ensured that the protective door of the building hoist can only be opened and closed by a driver.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator door technical field, concretely is the protection subassembly of preventing outside open. BACKGROUND

[0002] Elevator door can be divided into car door and landing door generally, car door is the door that sets up elevator car entrance and exit, it moves together with car, when elevator reaches the specified floor and stops stably, car door will open, passenger passes through car door and enters and exits elevator, the door panel of car door usually is made of metal material (such as stainless steel) or composite material, metal door panel has high strength, durable, beautiful and so on The advantages, and composite material door panel can have certain advantages in cost and weight, the thickness of door panel is generally between 0.5-1.5 centimeters, its surface can be treated with wire drawing, mirror polishing and the like, to achieve the effect of beautiful and scratch prevention.

[0003] The existing construction hoist floor protection door usually adopts mechanical pin bolt to realize the function of preventing outside opening, and the personnel at the construction site frequently and non-standardly operate the protection door, so that the mechanical pin bolt is easily damaged, and due to the complex environment and heavy workload at the construction site, it is often difficult to check and repair the damaged mechanical pin bolt in time, once the bolt is damaged and not found, the protection door may accidentally open outside, which poses a great safety threat to the personnel working near the elevator shaft, therefore, another technical solution is proposed to solve the problem. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a protection assembly for preventing outside opening of a door, which has the advantages of facilitating timely alarm and maintenance, and solves the problem that the existing construction hoist floor protection door usually adopts mechanical pin bolt to realize the function of preventing outside opening, and the personnel at the construction site frequently and non-standardly operate the protection door, so that the mechanical pin bolt is easily damaged, and due to the complex environment and heavy workload at the construction site, it is often difficult to check and repair the damaged mechanical pin bolt in time, once the bolt is damaged and not found, the protection door may accidentally open outside, which poses a great safety threat to the personnel working near the elevator shaft.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a protection assembly for preventing outside opening of a door, comprising a door frame body, a control locking mechanism is arranged inside the door frame body;

[0006] The control locking mechanism comprises a first door leaf arranged inside the door frame body, a second door leaf connected with the door frame body is movably connected to the right side of the first door leaf, an electric push rod is fixedly installed inside the second door leaf, a lock seat is fixedly installed on the output shaft of the electric push rod, an installation frame is fixedly installed on the inner wall of the first door leaf, and an electromagnetic seat is arranged on the inner side of the installation frame.

[0007] The electromagnetic base is fixedly installed away from one side of the first door leaf, a reset spring is fixedly installed on one side of the electromagnetic base, an activity plate is fixedly installed on one side of the reset spring, sliding blocks that are in sliding connection with the mounting frame are fixedly installed on both sides of the activity plate, and a plurality of bolts that are in plug connection with the lock base are fixedly installed on one side of the activity plate.

[0008] Further, the electric push rod and the electromagnetic base are provided with output lines respectively located in the inner walls of the first door leaf and the second door leaf, one side of the two output lines is provided with an alarm, and one side of the output lines is provided with a control panel.

[0009] Further, the activity plate is a metal iron plate, the lock base extends to the inside of the first door leaf and corresponds to the activity plate.

[0010] Further, the mounting frame is provided with limiting grooves in the inner walls of the left and right sides, and the sliding blocks are in sliding connection with the mounting frame through the limiting grooves.

[0011] Further, the bottom of the lock base is provided with a plurality of insertion grooves, and the plurality of bolts are in plug connection with the lock base through the insertion grooves.

[0012] Further, the door frame body is an aluminum alloy plate body, and the first door leaf and the second door leaf are steel plates with a thickness of two millimeters.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] The anti-outside-opening door protection assembly is provided with a control locking mechanism, the door frame body is an aluminum alloy plate body, is light in weight and is corrosion resistant, the electric push rod and the electromagnetic base are controlled through the control panel, the opening and closing of the protection door are realized, the electric push rod and the electromagnetic base cooperate to accurately control the movement of the lock base and the bolts, the opening and closing of the protection door are reliable, the limiting grooves of the sliding blocks and the mounting frame ensure the smooth movement of the activity plate, in terms of safety guarantee, when an electrical fault occurs except normal power failure, the alarm connected by the output lines will alarm, and timely maintenance is facilitated, the structure design effectively prevents the protection door from being accidentally opened outward, guarantees the safety and reliability during the use of the construction hoist, and ensures that the protection door of the construction hoist can only be opened and closed by the driver. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a top view schematic diagram of the utility model structure;

[0016] Figure 2 It is a front view schematic diagram of the utility model structure;

[0017] Figure 3 It is the utility model Figure 1 It is an enlarged schematic diagram of A structure in the utility model.

[0018] In the figure: 1, door frame body; 2, first door leaf; 3, second door leaf; 4, electric push rod; 5, lock seat; 6, mounting frame; 7, electromagnetic seat; 8, reset spring; 9, movable plate; 10, sliding block; 11, bolt; 12, alarm; 13, control panel; 101, output line. DETAILED DESCRIPTION

[0019] 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.

[0020] Please refer to Figures 1 to 3 The anti-outside opening door protection assembly in the embodiment comprises a door frame body 1, and the inside of the door frame body 1 is provided with a control locking mechanism.

[0021] In the embodiment, the control locking mechanism comprises a first door leaf 2 arranged on the inner side of the door frame body 1, a second door leaf 3 movably connected to the right side of the first door leaf 2 and connected to the door frame body 1, the door frame body 1 is an aluminum alloy plate body, the first door leaf 2 and the second door leaf 3 are steel plates with a thickness of two millimeters, which helps to increase the strength and stability of the device, an electric push rod 4 is fixedly installed in the inside of the second door leaf 3, a lock seat 5 is fixedly installed on the output shaft of the electric push rod 4, a mounting frame 6 is fixedly installed on the inner wall of the first door leaf 2, and an electromagnetic seat 7 is arranged on the inside of the mounting frame 6.

[0022] The reset spring 8 is fixedly installed on the side of the electromagnetic seat 7 away from the first door leaf 2, a movable plate 9 is fixedly installed on one side of the reset spring 8, the movable plate 9 is a metal iron plate, the lock seat 5 extends to the inside of the first door leaf 2 and corresponds to the movable plate 9, sliding blocks 10 slidably connected to the mounting frame 6 are fixedly installed on the two sides of the movable plate 9, limit grooves are formed in the inner walls of the left and right sides of the mounting frame 6, and the sliding blocks 10 are slidably connected to the mounting frame 6 through the limit grooves, which helps the sliding blocks 10 to move and be limited.

[0023] In the embodiment, a plurality of bolts 11 are fixedly installed on one side of the movable plate 9 and are inserted into the lock seat 5, a plurality of insertion grooves are formed in the bottom of the lock seat 5, the plurality of bolts 11 are inserted into the lock seat 5 through the insertion grooves, which facilitates the movable plate 9 to effectively move the bolts 11, output lines 101 are arranged on one side of the electric push rod 4 and the electromagnetic seat 7 and are located on the inner walls of the first door leaf 2 and the second door leaf 3 respectively, an alarm 12 is arranged on one side of the two output lines 101, and a control panel 13 is arranged on one side of the output line 101.

[0024] It should be noted that the anti-outward opening door protection assembly, the door frame body 1 adopts aluminum alloy plate body, light in quality and corrosion resistant, through the control panel 13 controls the electric push rod 4 and the electromagnetic seat 7, realizes the opening and closing of the protection door, the electric push rod 4 and the electromagnetic seat 7 cooperate, can accurately control the action of the lock seat 5 and the bolt 11, ensure that the protection door opening and closing is reliable, the slide block 10 and the limiting groove of the mounting frame 6 design ensure that the movable plate 9 moves stably, in the safety guarantee, in addition to normal power failure, the alarm 12 connected by the output line 101 of the electrical fault will alarm, facilitate timely maintenance, this structure design effectively prevents the protection door from opening outward accidentally, ensures the safety and reliability of the construction elevator in use, can ensure that the construction elevator protection door can only be opened and closed by the driver.

[0025] The working principle of the above embodiment is:

[0026] The anti-outward opening door protection assembly, when the protection door needs to be opened, the construction elevator driver operates on the control panel 13, the electric push rod 4 starts, its output shaft drives the lock seat 5 to move, at the same time, the electromagnetic seat 7 is electrified to generate a magnetic field, attracting the movable plate 9, the movable plate 9 slides in the limiting groove of the mounting frame 6 through the slide block 10 on both sides, compressing the return spring 8, so that the bolt 11 is pulled out of the slot of the lock seat 5, thereby unlocking the second door leaf 3, at this time the protection door can be opened, when the protection door is closed, the electric push rod 4 reverses, the lock seat 5 returns to the initial position, the electromagnetic seat 7 is de-energized, the magnetic field disappears, under the action of the elastic force of the return spring 8, the movable plate 9 resets, the bolt 11 is inserted into the slot of the lock seat 5, realizing the locking of the second door leaf 3, preventing the protection door from opening outward accidentally;

[0027] When an electrical fault occurs in addition to normal power failure, the alarm 12 connected by the output line 101 of the electric push rod 4 and the electromagnetic seat 7 will alarm, the control panel 13 can control and monitor the whole system, ensure the normal operation of the system, the door frame body 1 adopts aluminum alloy plate body, the first door leaf 2 and the second door leaf 3 adopt two millimeter thick steel plate, which ensures the strength and stability of the protection door, this structure design ensures the safety and reliability of the protection door opening and closing operation.

[0028] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0029] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. Anti-outside opening door protection assembly, comprising a door frame body (1), characterized in that: The inside of the door frame body (1) is provided with a control locking mechanism; The control locking mechanism comprises a first door leaf (2) provided inside the door frame body (1), the right side of the first door leaf (2) is movably connected with a second door leaf (3) connected with the door frame body (1), the inside of the second door leaf (3) is fixedly installed with an electric push rod (4), the output shaft of the electric push rod (4) is fixedly installed with a lock seat (5), the inner wall of the first door leaf (2) is fixedly installed with a mounting frame (6), and the inner wall of the first door leaf (2) is provided with an electromagnetic seat (7) located inside the mounting frame (6). The side of the electromagnetic seat (7) away from the first door leaf (2) is fixedly installed with a reset spring (8), one side of the reset spring (8) is fixedly installed with a movable plate (9), the two sides of the movable plate (9) are fixedly installed with sliding blocks (10) slidably connected with the mounting frame (6), and one side of the movable plate (9) is fixedly installed with a plurality of plug pins (11) inserted with the lock seat (5).

2. The outswing door protection assembly of claim 1, wherein: The side of the electric push rod (4) and the electromagnetic seat (7) is provided with output lines (101) located in the inner walls of the first door leaf (2) and the second door leaf (3) respectively, one side of the two output lines (101) is provided with an alarm (12), and one side of the output line (101) is provided with a control panel (13).

3. The outswing door protection assembly of claim 1, wherein: The movable plate (9) is a metal iron plate, the lock seat (5) extends to the inside of the first door leaf (2) and corresponds to the movable plate (9).

4. The outswing door protection assembly of claim 1, wherein: The left and right inner walls of the mounting frame (6) are provided with limiting grooves, and the sliding blocks (10) are slidably connected with the mounting frame (6) through the limiting grooves.

5. The outswing door protection assembly of claim 1, wherein: The bottom of the lock seat (5) is provided with a plurality of insertion grooves, and the plurality of plug pins (11) are inserted with the lock seat (5) through the insertion grooves.

6. The outswing door protection assembly of claim 1, wherein: The door frame body (1) is an aluminum alloy plate body, and the first door leaf (2) and the second door leaf (3) are steel plates with a thickness of two millimeters.

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