CN214495352U - Safety device of elevator door - Google Patents
Safety device of elevator door Download PDFInfo
- Publication number
- CN214495352U CN214495352U CN202023127802.9U CN202023127802U CN214495352U CN 214495352 U CN214495352 U CN 214495352U CN 202023127802 U CN202023127802 U CN 202023127802U CN 214495352 U CN214495352 U CN 214495352U
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- Prior art keywords
- door frame
- elevator
- door
- sliding
- hall
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- 238000005192 partition Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 7
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to a lift-cabin door technical field, especially a lift-cabin door safety device, including room door frame and sedan-chair door frame, be provided with room door and sedan-chair door in room door frame and the sedan-chair door frame respectively, the top and the bottom of room door frame and sedan-chair door frame all are provided with the spout of threaded rod, the side of sedan-chair door is provided with infrared induction appearance, the top and the bottom of room door frame are provided with emergency stop button. The utility model has the advantages that: through setting up emergency stop button in the top and the bottom of room doorframe, when the crack exists the operation of foreign matter elevator, the foreign matter contacts emergency stop button and makes motor emergency braking, reduces unexpected incidence, improves elevator factor of safety, the button groove can make the lift-cabin door closed completely, avoids leaving the gap, set up conflagration inductor and siren through the outside at room doorframe, when the conflagration breaks out, the elevator in time senses and starts the siren, the lock is died the lift-cabin door simultaneously and is avoided someone to take the elevator to escape and cause the condition that the passenger stranded in the elevator.
Description
Technical Field
The utility model relates to a lift-cabin door technical field, especially a lift-cabin door safety device.
Background
The elevator door is a very important part in the elevator, and is provided with two doors, wherein the two doors can be seen from the outside of the elevator and are fixed on each floor and are called landing doors, the two doors are seen from the inside and are fixed on the elevator car and move along with the elevator car and are called car doors, the elevator door is generally opened and closed by the car doors driving the landing doors, and the stability, the reasonability and the safety of the elevator door are key factors for determining the grade of the elevator.
The existing elevator door safety device has the following defects:
1. when the existing elevator door safety device does not detect that the door seam clamps things when the elevator door is closed, the elevator car moves forcibly, which can cause huge damage to people and the elevator;
2. the existing elevator door safety device has the condition that a passenger is clamped inside when power is cut off in a fire.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an elevator door safety device, effectively solved prior art not enough.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a lift-cabin door safety device, includes the room door frame, one side fixedly connected with sedan-chair door frame of room door frame, the spout has all been seted up to the top and the bottom of room door frame and sedan-chair door frame, sliding connection has the slider in the spout, the room door frame has the room door through spout and slider sliding connection, the sedan-chair door frame has the sedan-chair door through spout and slider sliding connection, the middle part fixedly connected with division board of spout, the spout internal rotation is connected with the threaded rod, two the three infrared induction appearance of the equal fixedly connected with in one side of sedan-chair door, the equal fixedly connected with infrared induction appearance in top and the bottom of sedan-chair door frame, the equal fixedly connected with emergency stop button in center department in room door frame top and bottom, one side fixedly connected with conflagration inductor and the siren of room door frame.
Optionally, the door slots are formed in the two sides of the hall door frame and the car door frame, the shape and the size of each door slot are matched with those of the hall door and the car door frame, and when the car reaches the corresponding floor, the hall door frame and the car door frame are retracted into the door slots, so that passengers can conveniently enter the car.
Optionally, one end of the threaded rod is rotatably connected with the partition plate, the other end of the threaded rod is fixedly connected with the motor, one end of the motor is fixedly connected with the sliding groove, and the motor provides power for rotation of the threaded rod to enable the threaded rod to drive the sliding block and the car door to slide, so that opening and closing of the elevator door are controlled.
Optionally, the shape and size of the hall door frame are matched with those of the car door frame, the shape and size of the hall door are matched with those of the car door, the length of the sliding groove is twice of the width of the car door frame, the length of the moving track of the car door frame is matched with that of the sliding groove, and the car door frame can be completely contracted in the door groove when the door is opened only when the moving track of the car door frame is twice of the width of the car door frame.
Optionally, the sliding groove and the sliding block are both T-shaped, the sliding groove and the sliding block are matched in shape and size, the length of the sliding block is smaller than the width of the car door, a threaded hole is formed in the middle of the sliding block, the threaded hole is matched with the shape and diameter of the threaded rod, the length of the sliding block is smaller than the width of the car door, so that the situation that the elevator door is in a gap when the elevator door is closed due to the fact that the position of the partition plate conflicts with the position of the sliding block can be avoided, and the sliding block converts the torque transmitted by the threaded rod into power in the horizontal direction through the threaded hole to control the opening and closing of the elevator door.
Optionally, the emergency stop button is lamellar, the button groove has been seted up to the bottom of room door frame both sides, the button groove is with emergency stop button's shape size looks adaptation, when closing at the lift-cabin door, when the crack exists objects such as connection rope, the elevator starts pet or the link that probably leads to connecting rope one end and causes the damage, also can cause the destruction to the elevator, brings the potential safety hazard for the passenger, sets up emergency stop button through top and the bottom at room door frame, when the crack exists the foreign matter elevator operation, the foreign matter contacts emergency stop button and makes motor emergency braking, reduces unexpected incidence, improves the factor of safety of elevator.
The utility model has the advantages of it is following:
1. this lift-cabin door safety device, through set up emergency stop button at the top and the bottom of room door frame, and set up the button groove in the both sides of room door, when closing at the lift-cabin door, when the crack has objects such as connecting the rope, the elevator starts and probably leads to connecting pet or the connector of rope one end and causing the damage, also can cause the destruction to the elevator, bring the potential safety hazard for the passenger, through set up emergency stop button at the top and the bottom of room door frame, when the crack exists foreign matter elevator operation, the foreign matter contacts emergency stop button and makes motor emergency braking, reduce unexpected incidence, improve the factor of safety of elevator, the button groove can make the lift-cabin door close completely, avoid leaving the gap and bring the potential safety hazard.
2. This lift-cabin door safety device sets up conflagration inductor and siren through the outside at room door frame, and when the conflagration breaing out, the elevator in time senses and starts the siren, locks the lift-cabin door simultaneously and avoids someone to take the elevator to flee and cause the condition that the passenger stranded in the elevator.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
fig. 3 is a schematic sectional view of the present invention.
In the figure: 1-hall door frame, 2-car door frame, 3-sliding chute, 4-sliding block, 5-hall door, 6-car door, 7-partition plate, 8-threaded rod, 9-infrared sensor, 10-emergency stop button, 11-fire sensor and 12-alarm.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 3, the present invention provides a safety device for elevator door, which comprises a hall door frame 1, a car door frame 2 fixedly connected to one side of the hall door frame 1, sliding grooves 3 formed at the top and bottom of the hall door frame 1 and the car door frame 2, a sliding block 4 slidably connected to the sliding grooves 3, a hall door 5 slidably connected to the hall door frame 1 through the sliding grooves 3 and the sliding block 4, a car door 6 slidably connected to the car door frame 2 through the sliding grooves 3 and the sliding block 4, a partition plate 7 fixedly connected to the middle of the sliding grooves 3, a threaded rod 8 rotatably connected to the sliding grooves 3, three infrared sensors 9 fixedly connected to one side of each of the two car doors 6, infrared sensors 9 fixedly connected to the top and bottom of the car door frame 2, an emergency stop button 10 fixedly connected to the center of the top and bottom of the hall door frame 1, emergency stop buttons 10 arranged at the top and bottom of the hall door frame 1, and button grooves arranged at both sides of the hall door 5, when the elevator door is closed and objects such as a connecting rope and the like exist in a door gap, the elevator is started, which may cause damage to pets or connectors at one end of the connecting rope and damage to the elevator, and bring potential safety hazards to passengers, by arranging emergency stop buttons at the top and the bottom of the hall door frame 1, when the elevator with foreign matters in the door gap operates, the foreign matters contact the emergency stop button 10 to make the motor brake emergently, reduce the accident rate and improve the safety factor of the elevator, the button slot can make the elevator door closed completely, avoid the potential safety hazard caused by the gap, one side of the hall door frame 1 is fixedly connected with a fire sensor 11 and an alarm 12, by providing the fire sensor 11 and the alarm 12 at the outside of the hall doorframe 1, when a fire occurs, the elevator senses and activates the alarm 12 in time, and meanwhile, the elevator door is locked to avoid the condition that passengers are trapped in the elevator due to the escape of people taking the elevator.
As an optional technical solution of the utility model: the two sides of the hall door frame 1 and the car door frame 2 are both provided with door slots, the shape and size of the door slots are matched with those of the hall door frame 1 and the car door frame 2, and when the car reaches a corresponding floor, the hall door frame 1 and the car door frame 2 are retracted into the door slots, so that passengers can conveniently enter the car.
As an optional technical solution of the utility model: one end of the threaded rod 8 is rotatably connected with the partition plate 7, the other end of the threaded rod 8 is fixedly connected with a motor, one end of the motor is fixedly connected with the sliding groove, and the motor provides power for the rotation of the threaded rod 8, so that the threaded rod drives the sliding block 4 and the car door 6 to slide, and the opening and closing of the elevator door are controlled.
As an optional technical solution of the utility model: the shape and size of the hall door frame 1 and the car door frame 2 are matched, the shape and size of the hall door 5 and the car door 6 are matched, the length of the sliding groove 3 is twice of the width of the car door frame 2, the moving track length of the car door frame 2 is matched with the length of the sliding groove 3, and the car door frame 2 can be completely contracted in the door slot when the moving track of the car door frame 2 is twice of the width of the car door frame 2.
As an optional technical solution of the utility model: the sliding groove 3 and the sliding block 4 are both in a T shape, the sliding groove 3 and the sliding block 4 are matched in shape and size, the length of the sliding block 4 is smaller than the width of the car door 6, a threaded hole is formed in the middle of the sliding block 4, the threaded hole is matched with the shape and diameter of the threaded rod 8, the length of the sliding block 4 is smaller than the width of the car door 6, so that a gap is formed in the elevator door when the elevator door is closed due to the fact that the position of the separation plate 7 is in conflict with the position of the sliding block 4, and the sliding block 4 converts the torque transmitted by the threaded rod 8 into power in the horizontal direction through the threaded hole to control the opening and closing of the elevator door.
As an optional technical solution of the utility model: the emergency stop button 10 is in a sheet shape, the bottom of two sides of the hall door frame is provided with a button groove, the button groove is matched with the emergency stop button 10 in shape and size, when the elevator door is closed, objects such as a connecting rope exist in a door gap, the elevator is started, pets or connectors at one end of the connecting rope can be damaged, the elevator can be damaged, potential safety hazards are brought to passengers, the emergency stop button is arranged at the top and the bottom of the hall door frame 1, when foreign objects exist in the door gap and the elevator runs, the foreign objects contact the emergency stop button 10 to brake the motor emergently, the accident occurrence rate is reduced, and the safety coefficient of the elevator is improved.
The working process of the utility model is as follows: when a user uses the emergency braking device, after the user reaches a corresponding floor, the starting motor drives the hall door and the car door to be opened and retracted into the door slot, and when foreign matters are clamped at the door slot, the emergency braking button can be triggered to perform emergency braking.
In summary, the following steps: the elevator door safety device is characterized in that emergency stop buttons 10 are arranged at the top and the bottom of a hoistway door frame 1, button grooves are arranged at two sides of a hoistway door 5, when the elevator door is closed and objects such as a connecting rope exist in a door gap, the elevator is started, so that pets or connectors at one end of the connecting rope can be damaged, and the elevator can be damaged, so that potential safety hazards are brought to passengers; by providing the fire sensor 11 and the alarm 12 at the outside of the hall doorframe 1, the elevator senses and activates the alarm 12 in time when a fire occurs, and locks the elevator door to prevent a situation where a person who takes the elevator to escape from the elevator and gets a passenger trapped in the elevator.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An elevator door safety device, characterized in that: the hall door frame comprises a hall door frame (1), wherein a car door frame (2) is fixedly connected to one side of the hall door frame (1), sliding grooves (3) are formed in the top and the bottom of the hall door frame (1) and the car door frame (2), sliding blocks (4) are connected in the sliding grooves (3), the hall door frame (1) is connected with a hall door (5) in a sliding mode through the sliding grooves (3) and the sliding blocks (4), the car door frame (2) is connected with a car door (6) in a sliding mode through the sliding grooves (3) and the sliding blocks (4), a partition plate (7) is fixedly connected to the middle of each sliding groove (3), a threaded rod (8) is rotatably connected in each sliding groove (3), three infrared inductors (9) are fixedly connected to one side of each of two car doors (6), the infrared inductors (9) are fixedly connected to the top and the bottom of the car door frame (2), and emergency stop buttons (10) are fixedly connected to the center of the top and the bottom of the hall door frame (1), one side of the hall door frame (1) is fixedly connected with a fire sensor (11) and an alarm (12).
2. An elevator door safety device as defined in claim 1, wherein: the hall door frame (1) and the sedan-chair door frame (2) both sides have all seted up the gate slot, the shape size of gate slot and the shape size looks adaptation of hall door frame (1) and sedan-chair door frame (2).
3. An elevator door safety device as defined in claim 1, wherein: the one end and the division board (7) of threaded rod (8) rotate to be connected, the other end fixedly connected with motor of threaded rod (8), the one end and the spout fixed connection of motor.
4. An elevator door safety device as defined in claim 1, wherein: the hall door frame (1) is matched with the car door frame (2) in shape and size, the hall door (5) is matched with the car door (6) in shape and size, and the length of the sliding groove (3) is twice of the width of the car door frame (2).
5. An elevator door safety device as defined in claim 1, wherein: the sliding groove (3) and the sliding block (4) are both T-shaped, the sliding groove (3) is matched with the sliding block (4) in shape and size, the length of the sliding block (4) is smaller than the width of the car door (6), a threaded hole is formed in the middle of the sliding block (4), and the threaded hole is matched with the threaded rod (8) in shape and diameter.
6. An elevator door safety device as defined in claim 1, wherein: the emergency stop button (10) is in a sheet shape, button grooves are formed in the bottoms of two sides of the hall door frame, and the button grooves are matched with the emergency stop button (10) in shape and size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023127802.9U CN214495352U (en) | 2020-12-23 | 2020-12-23 | Safety device of elevator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023127802.9U CN214495352U (en) | 2020-12-23 | 2020-12-23 | Safety device of elevator door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214495352U true CN214495352U (en) | 2021-10-26 |
Family
ID=78210115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023127802.9U Expired - Fee Related CN214495352U (en) | 2020-12-23 | 2020-12-23 | Safety device of elevator door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214495352U (en) |
-
2020
- 2020-12-23 CN CN202023127802.9U patent/CN214495352U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |