CN210528208U - Safety protection device of elevator door - Google Patents
Safety protection device of elevator door Download PDFInfo
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- CN210528208U CN210528208U CN201921368705.3U CN201921368705U CN210528208U CN 210528208 U CN210528208 U CN 210528208U CN 201921368705 U CN201921368705 U CN 201921368705U CN 210528208 U CN210528208 U CN 210528208U
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- door
- elevator
- protective joint
- joint
- protection
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Abstract
The utility model relates to a safety protection device of elevator door, including the control system that can control the automatic opening of elevator door when the car arrives, the elevator door divide into left door and right door, the butt joint's of left door and right door tip is equipped with left and right protective joint respectively, left and right protective joint can be respectively in the horizontal slip in left door and right door, be equipped with electromagnet, magnet steel that can adsorb each other in the left and right protective joint respectively; the protection of a left side connects one side top that is close to the car to be equipped with infrared receiver, one side that the relative left side protection of car connects is equipped with infrared emitter, works as when infrared receiver accepts the infrared ray of infrared emitter transmission, the electro-magnet is in the closed condition. The utility model discloses can't open under the condition that the elevator does not take one's place to the occurence of failure that the lift-cabin door was opened when having solved the elevator and not taking one's place.
Description
Technical Field
The utility model belongs to the technical field of the technique of elevator protection and specifically relates to a safety device of lift-cabin door is related to.
Background
Elevators are essential devices for high-rise buildings, and include a car that moves up and down, elevator doors, and a control system that controls the automatic opening of the elevator doors when the car arrives. In news reports, elevator accidents often occur.
One of the accidents is that the elevator door is opened, but the elevator is not in place, if people waiting for the elevator do not notice the elevator, the people go into the elevator directly and fall into the elevator shaft, and the elevator is seriously injured or even dies.
SUMMERY OF THE UTILITY MODEL
The utility model provides a safety device of lift-cabin door, it is unable under the condition that the elevator does not take one's place and opens to the occurence of failure that the lift-cabin door was opened when having solved the elevator and not taking one's place.
The above object of the present invention can be achieved by the following technical solutions: a safety protection device of an elevator door comprises a control system capable of controlling the elevator door to be automatically opened when a car arrives, wherein the elevator door is divided into a left door and a right door, the butt joint end parts of the left door and the right door are respectively provided with a left protection joint and a right protection joint, the left protection joint and the right protection joint can respectively slide transversely on the left door and the right door, and electromagnets and magnetic steel which can be mutually adsorbed are respectively arranged in the left protection joint and the right protection joint;
the protection of a left side connects one side top that is close to the car to be equipped with infrared receiver, one side that the relative left side protection of car connects is equipped with infrared emitter, works as when infrared receiver accepts the infrared ray of infrared emitter transmission, the electro-magnet is in the closed condition.
By adopting the technical scheme, when the elevator is in place, the car door and the elevator door are opened at the same time, the left protective joint and the right protective joint are still in a mutual adsorption state, the infrared receiver is exposed along with the opening of the elevator door and can receive infrared rays emitted by the infrared emitter, the electromagnet can be in a closed state at the moment, and the left protective joint and the right protective joint can be separated along with the opening of the elevator door; when the elevator is not in place, the exposed infrared receiver does not receive infrared rays, and the left protection joint and the right protection joint are in an adsorption state, so that the elevator door cannot be opened.
Further, all set firmly the cylinder in left side door and the right side door, the output of cylinder is connected respectively on left and right protection joint.
By adopting the technical scheme, after the left door and the right door of the elevator door are opened and before the infrared receiver receives infrared rays, the air cylinder can push the left protective joint and the right protective joint, so that the positions of the left protective joint and the right protective joint are kept unchanged; after the infrared receiver receives the infrared rays, the air cylinder can respectively retract the left protection joint and the right protection joint to the left door and the right door so as to be used next time.
Further, the cylinders are provided with a plurality of rows.
Through adopting above-mentioned technical scheme, the stability when left protection connects and right protection connects the slip can be strengthened to multiseriate cylinder.
Furthermore, the outer wall of the left protective joint is provided with an insulating layer.
Through adopting above-mentioned technical scheme, the insulating layer can avoid the electro-magnet to leak electricity to the lift-cabin door.
Further, the left door is hollow bilayer structure, the left door is equipped with two baffles towards the tip of right door, the baffle is located respectively on the two-layer relative side of left door to leave the clearance, the left side protection connects and goes towards one side extension of left door and has the anti-drop step, the output of cylinder is connected on the anti-drop step, the anti-drop step can stretch into in the clearance.
Through adopting above-mentioned technical scheme, anti-drop step can avoid left protection to connect or right protection to connect and break away from left door or right door.
Further, the left or right protective joint end may be flush with the end of the left or right door.
Through adopting above-mentioned technical scheme, when left door and right door were closed, left side protection was connected and is just contacted each other with right protection also.
Furthermore, both sides of the elevator door facing inwards and outwards are provided with striking protective signs.
By adopting the technical scheme, people waiting for the elevator can be reminded to use the elevator according to the standard.
Furthermore, the electromagnets are arranged at a plurality of positions and are arranged on the left protective joint at equal intervals; the magnetic steel is also provided with a plurality of positions which are arranged on the right protection joint at equal intervals and are in one-to-one correspondence with the positions of the electromagnets.
Through adopting above-mentioned technical scheme, the fastness after left protection joint and the right protection joint inter attraction can be strengthened to many places electro-magnet and magnet steel.
To sum up, the beneficial effects of the utility model are that: when the elevator is not in place, the exposed infrared receiver does not receive infrared rays, and the left protection joint and the right protection joint are in an adsorption state, so that the elevator door cannot be opened, and the accident that the elevator door is opened when the elevator is not in place can be solved.
Drawings
Fig. 1 is a schematic view of the structure of an elevator door;
FIG. 2 is a schematic structural view in longitudinal section of FIG. 1;
fig. 3 is a schematic structural view (shown in cross-section) of the elevator door when closed;
fig. 4 is a schematic view (shown in cross-section) of the elevator door open, but with the electromagnet and magnet unseparated;
fig. 5 is a schematic view (shown in cross-section) of the elevator door open with the electromagnet and magnet separated;
fig. 6 is a schematic structural view (shown in plan view) of an elevator door and a car.
In the figure, 1, a car; 11. an infrared emitter; 2. an elevator door; 21. a left door; 211. a baffle plate; 212. a chute; 22. a right door; 3. a left protective joint; 31. an anti-drop step; 32. an electromagnet; 33. an infrared receiver; 4. a right protective joint; 41. magnetic steel; 5. and a cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 6, the safety protection device for elevator door provided by the present invention comprises a car 1, an elevator door 2, and a control system for controlling the elevator door 2 to open automatically when the car 1 arrives; the elevator door 2 is divided into a left door 21 and a right door 22, and the end parts of the left door 21 and the right door 22 which are mutually butted are respectively provided with a left protective joint 3 and a right protective joint 3; 4;
referring to fig. 2 and 3, here, the left protection joint 3 and the right protection joint 4 are respectively disposed on the left door 21 and the right door 22 in the same structure, and the left protection joint 3 and the left door 21 are taken as an example as follows: the left door 21 has a hollow double-layered structure,
the end part of the left door 21 facing the right door 22 is provided with two baffles 211, the baffles 211 are respectively arranged on two layers of opposite side surfaces of the left door 21, a gap is reserved, the left protective joint 3 extends towards one side of the left door 21 to form an anti-falling step 31, the output end of the air cylinder 5 is connected to the anti-falling step 31, and the anti-falling step 31 can extend into the gap;
referring to fig. 3 and 5, the end of the left protective joint 3 or the right protective joint 4 may be flush with the end of the left door 21 or the right door 22, so that the left protective joint 3 and the right protective joint 4 just contact each other when the left door 21 and the right door 22 are closed.
Referring to fig. 2, three electromagnets 32 are fixedly arranged in the left protection joint 3 at equal intervals, and three magnetic steels 41 arranged at equal intervals are also fixedly arranged in the right protection joint 4, wherein the positions of the magnetic steels 41 correspond to the positions of the electromagnets 32; when the elevator door 2 is closed, the left protective joint 3 and the right protective joint 4 are connected together through the mutual adsorption of the electromagnet 32 and the magnetic steel 41.
All set firmly three cylinder 5 in left door 21 and right door 22, cylinder 5 is equidistant to be arranged, and the output of cylinder 5 is connected on left protection connects 3 or right protection connects 4 to the accessible promotes cylinder 5 and makes left protection connect 3 or right protection connect 4 to move out left door 21 or right door 22.
An infrared receiver 33 (about 2.2m higher than the bottom surface of the car 1) is arranged at the top of one side of the left protective joint 3 facing the car 1, an infrared transmitter 11 is arranged at one side of the car 1 opposite to the left protective joint 3, and the infrared receiver 33 is flush with the infrared transmitter 11; when the infrared receiver 33 receives the infrared rays emitted from the infrared emitter 11, the electromagnet 32 is in the off state.
With reference to fig. 3, when the elevator is in place, the car door and the elevator door 2 are opened simultaneously, and the left protective joint 3 and the right protective joint 4 are still in a mutually attracted state; with reference to fig. 4 and 5, as the elevator door 2 is opened, the infrared receiver 33 is exposed, and receives the infrared rays emitted by the infrared emitter 11, so that the electromagnet 32 is closed, and the left protective joint 3 and the right protective joint 4 can be separated as the elevator door 2 is opened; when the elevator is not in place, the exposed infrared receiver 33 does not receive infrared rays, the left protective joint 3 and the right protective joint 4 are in a suction state, and the elevator door 2 cannot be opened.
After the left door 21 and the right door 22 of the elevator door 2 are opened and before the infrared receiver 33 receives infrared rays, the air cylinder 5 can push the left protective joint 3 and the right protective joint 4, so that the positions of the left protective joint 3 and the right protective joint 4 are kept unchanged; after the infrared receiver 33 receives the infrared rays, the air cylinder 5 can retract the left and right protection joints 3 and 4 to the left and right doors 21 and 22, respectively, for the next use.
The outer wall of the left protective joint 3 is provided with an insulating layer made of right ceramics, so that the electromagnet 32 can be prevented from leaking electricity to the elevator door 2; and striking protection marks are stuck on the inward side and the outward side of the elevator door 2, and the specification of using the elevator and 'touch' need not to be written on the protection marks.
The embodiment of this embodiment is the preferred embodiment of the present invention, not limiting in proper order the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. A safety device for elevator doors, comprising a control system for controlling the automatic opening of the elevator doors (2) when the car (1) arrives, characterized in that: the elevator door (2) is divided into a left door (21) and a right door (22), the end parts of the left door (21) and the right door (22) which are mutually butted are respectively provided with a left protective joint (3) and a right protective joint (4), the left protective joint (3) and the right protective joint (4) can respectively transversely slide on the left door (21) and the right door (22), and electromagnets (32) and magnetic steel (41) which can be mutually adsorbed are respectively arranged in the left protective joint (3) and the right protective joint (4);
left side protection connects one side top that (3) are close to car (1) to be equipped with infrared receiver (33), one side that car (1) left protection connects (3) relatively is equipped with infrared emitter (11), works as infrared receiver (33) are in the off-state when accepting the infrared ray of infrared emitter (11) transmission, electro-magnet (32).
2. The safety shield for elevator doors of claim 1, wherein: air cylinders (5) are fixedly arranged in the left door (21) and the right door (22), and output ends of the air cylinders (5) are respectively connected to the left protective joint (3) and the right protective joint (4).
3. The safety shield for elevator doors according to claim 2, wherein: the air cylinders (5) are provided with a plurality of rows.
4. The safety shield for elevator doors of claim 1, wherein: and an insulating layer is arranged on the outer wall of the left protective joint (3).
5. The safety shield for elevator doors according to claim 3, wherein: left side door (21) are hollow bilayer structure, left side door (21) are equipped with two baffle (211) towards the tip of right side door (22), on the two-layer relative side of left side door (21) is located respectively in baffle (211) to leave the clearance, one side of door (21) is gone towards left in left side protection joint (3) is extended and is had anti-drop step (31), the output of cylinder (5) is connected on anti-drop step (31), anti-drop step (31) can stretch into in the clearance.
6. The safety shield for elevator doors according to claim 5, wherein: the end part of the left protective joint (3) or the right protective joint (4) can be flush with the end part of the left door (21) or the right door (22).
7. The safety shield for elevator doors of claim 1, wherein: both the inward and outward sides of the elevator door (2) are provided with striking protective signs.
8. The safety shield for elevator doors of claim 1, wherein: the electromagnets (32) are arranged at a plurality of positions and are arranged on the left protective joint (3) at equal intervals; the magnetic steel (41) is also provided with a plurality of positions which are arranged on the right protective joint (4) at equal intervals and are in one-to-one correspondence with the positions of the electromagnets (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368705.3U CN210528208U (en) | 2019-08-21 | 2019-08-21 | Safety protection device of elevator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368705.3U CN210528208U (en) | 2019-08-21 | 2019-08-21 | Safety protection device of elevator door |
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| Publication Number | Publication Date |
|---|---|
| CN210528208U true CN210528208U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921368705.3U Active CN210528208U (en) | 2019-08-21 | 2019-08-21 | Safety protection device of elevator door |
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| CN (1) | CN210528208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185008A1 (en) * | 2022-04-01 | 2023-10-05 | 丽阳电梯工程有限公司 | High-safety mistaken opening prevention structure for elevator |
-
2019
- 2019-08-21 CN CN201921368705.3U patent/CN210528208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185008A1 (en) * | 2022-04-01 | 2023-10-05 | 丽阳电梯工程有限公司 | High-safety mistaken opening prevention structure for elevator |
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