CN211545620U - Door opening and closing device for elevator car door - Google Patents
Door opening and closing device for elevator car door Download PDFInfo
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- CN211545620U CN211545620U CN201921961408.XU CN201921961408U CN211545620U CN 211545620 U CN211545620 U CN 211545620U CN 201921961408 U CN201921961408 U CN 201921961408U CN 211545620 U CN211545620 U CN 211545620U
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- closing
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Abstract
The utility model discloses an elevator car door opening and closing device, the clamping device of which comprises a first door knife, a second door knife, an auxiliary door knife and an electromagnet assembly; the first door vane is driven by a first door vane driving device to swing to the door closing side of the lift car or to the door opening side of the lift car; the electromagnet is fixedly arranged on the first door knife; a guide hole in the opening and closing direction of the car door is formed in the middle of the electromagnet; the telescopic shaft is arranged in the guide hole and moves along the guide hole; the car door closing end of the telescopic shaft is fixedly connected with an auxiliary door knife; the telescopic shaft leads the closed end of the cage to extend out of the guide hole or retract into the guide hole towards the closed side of the cage along with the electrification or the outage of the electromagnet. The utility model discloses an elevator sedan-chair door switch door gear can overcome the influence that chimney effect made the layer door unable to close, and simple structure is reliable moreover, and is with low costs, convenient operation.
Description
Technical Field
The utility model relates to an elevator technique, in particular to elevator sedan-chair door switch door gear.
Background
In order to improve the space utilization rate of cities, high-rise buildings are increasingly used as places for work and life of people; the elevator is used as a vertical transportation tool and is closer to the traveling life of people. However, as the building height increases, a chimney effect occurs in the elevator hoistway, i.e., air flows inside and outside the hoistway due to meteorological factors such as temperature and air pressure. This effect causes the pressure experienced by the two sides of the hall door to be different, increasing the resistance to the closing of the hall door. Because asynchronous door sword is closing the door in-process, along with sedan-chair door sword is pushing the motion of layer door croquet, before layer door closes completely and triggers door switching signal, sedan-chair door sword can break away from layer door croquet gradually, and sedan-chair door sword disappears to the thrust of layer door, and layer door only relies on the gravity action pulling both sides layer door closure of self weight.
However, under the influence of the chimney effect of the hoistway of the high-rise building, the door closing resistance of the landing door is increased, and at the tail end of the door closing action stroke, the landing door cannot be completely closed only under the gravity action of the landing door heavy hammer. To solve this problem, the weight of the landing door weight can be increased or other auxiliary door closing devices can be added on the side of the landing door; the method only strengthens the door closing driving force, but can increase the burden of a door opening motor or the impact of opening and closing the door when the door is opened or in the occasion without chimney effect, thereby influencing the passenger experience.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an elevator sedan-chair door switch door gear can overcome the influence that chimney effect made the layer door unable to close, and simple structure is reliable moreover, and is with low costs, convenient operation.
In order to solve the technical problem, the elevator car door opening and closing device provided by the invention comprises a door knife mounting seat 1 and a clamping device 2;
the door vane mounting seat 1 is fixedly connected with the driving side car door 91;
the clamping device 2 comprises a first vane 21, a second vane 22, an auxiliary vane 23 and an electromagnet assembly 20;
the second vane 22 is disposed parallel to the first vane 21 and is located on the car closing side of the first vane 21;
one end of the first swing rod 211 is hinged to the first door vane 21, and the other end is hinged to the door vane mounting seat 1;
one end of the second swing rod 212 is hinged to the first door vane 21, and the other end is hinged to the door vane mounting seat 1;
the first swing link 211 is parallel to the second swing link 212;
the first vane 21 is driven by a first vane driving device 92 to swing to the car door closing side or to the car door opening side;
the electromagnet assembly 20 comprises an electromagnet 201 and a telescopic shaft 202;
the electromagnet 201 is fixedly installed on the first door vane 21;
a guide hole in the opening and closing direction of the car door is formed in the middle of the electromagnet 201;
the telescopic shaft 202 is placed in the guide hole and moves along the guide hole;
the closed end of the car of the telescopic shaft 202 is fixedly connected with an auxiliary door knife 23;
the retractable shaft 202 is configured to extend or retract the car closing end toward the car closing side through the guide hole or the guide hole as the electromagnet 201 is energized or de-energized.
Preferably, a top cap is arranged at the car door opening end of the telescopic shaft 202;
a coil spring 204 is sleeved outside the telescopic shaft 202 between the top cap and the car door opening end of the electromagnet 201, and the deformation force of the coil spring 204 enables the car door closing end of the telescopic shaft 202 to be contracted to the guide hole, so that the auxiliary door vane 23 is attached to the first door vane 21;
the electromagnet 201 is electrified when the car is closed, and generates electromagnetic force which overcomes the deformation force of the spiral spring 204 to enable the telescopic shaft 202 to move towards the closed end of the car, so as to drive the auxiliary door vane 23 to be far away from the first door vane 21;
the electromagnet 201 is powered off after the landing door moves to a closing point;
when the car closes the door, the first vane drive device 92 drives the first vane 21 to swing to the car door opening side;
when the car is opened, the first vane drive device 92 drives the first vane 21 to swing toward the car door closing side.
Preferably, the transverse section of the first door vane 21 is L-shaped;
the transverse section of the second door vane 22 is L-shaped.
Preferably, the second vane 22 is fixedly mounted to the vane mount 1.
Preferably, the second vane 22 is hinged to the vane mount 1.
Preferably, the car door closing signal and the landing door movement to closing point signal come from a door machine controller or come from a car door closing state detection switch and a landing door closing in-place detection switch.
Preferably, the first door vane 21 is fixed with an upper electromagnet assembly 20 and a lower electromagnet assembly 20.
Preferably, a cushion rubber is attached to the car door opening side of the sub-vane 23.
Preferably, the car closing side of the sub-vane 23 is patterned.
Preferably, the hinge point distance between the two ends of the first swing link 211 is equal to the hinge point distance between the two ends of the second swing link 212.
The utility model discloses an elevator sedan-chair door switch door gear through the structure that changes the movable door sword of drive sedan-chair door side, increases the vice door sword of movable door sword to through the motion of the scalable axle 202 axial motion of electro-magnet 201 drive promotion vice door sword 23, still can keep vice door sword 23 and the contact of unblock gyro wheel 4a after the unblock gyro wheel 4a is kept away from to the first door sword 21 of in-process of closing the door, close the door drive power transmission with the sedan-chair door and give a layer door, accomplish the closure action until a layer door. On the premise of not increasing other electrical detection units, the continuous acting force of the car door on the landing door is realized in the door closing process, and the influence that the landing door cannot be closed due to the chimney effect can be overcome. In the process of other door opening and closing movements, the auxiliary door knife and the first door knife are taken as a whole and have the same action as that of the common movable door knife, so that the device not only keeps all functions of the common door knife, but also solves the defects of the common movable door knife, and has the advantages of simple and reliable structure, low cost and convenient operation.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an elevator car door opening and closing device according to an embodiment of the present invention installed on a car door;
fig. 2 is a schematic view of a full-open car door at a flat position according to an embodiment of the door opening and closing device for an elevator car door of the present invention;
FIG. 3 is a schematic view of an elevator car door opening and closing device according to an embodiment of the present invention in a process of closing a car door at a flat position;
fig. 4 is a schematic diagram of the elevator car door opening and closing device according to the present invention after the landing door moves to the closing point.
Description of reference numerals:
1, a door knife mounting seat; 2, a clamping device; 91 driving the side doors; 92 a first vane drive; 21 a first vane; 22 a second vane; 23 pairs of door knives; 20 an electromagnet assembly; 211 a first swing link; 212 second swing link; 201 an electromagnet; 202 a retractable shaft; 204 a coil spring; 4a unlock the roller.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1 and 2, the elevator car door opening and closing device comprises a door vane mounting seat 1 and a clamping device 2;
the door vane mounting seat 1 is fixedly connected with the driving side car door 91;
the clamping device 2 comprises a first vane 21, a second vane 22, an auxiliary vane 23 and an electromagnet assembly 20;
the second vane 22 is disposed parallel to the first vane 21 and is located on the car closing side of the first vane 21;
one end of the first swing rod 211 is hinged to the first door vane 21, and the other end is hinged to the door vane mounting seat 1;
one end of the second swing rod 212 is hinged to the first door vane 21, and the other end is hinged to the door vane mounting seat 1;
the first swing link 211 is parallel to the second swing link 212;
the hinge point distance between the two ends of the first swing rod 211 is equal to the hinge point distance between the two ends of the second swing rod 212;
the first vane 21 is driven by a first vane driving device 92 to swing to the car door closing side or to the car door opening side;
the electromagnet assembly 20 comprises an electromagnet 201 and a telescopic shaft 202;
the electromagnet 201 is fixedly installed on the first door vane 21;
a guide hole in the opening and closing direction of the car door is formed in the middle of the electromagnet 201;
the telescopic shaft 202 is placed in the guide hole and moves along the guide hole;
the closed end of the car of the telescopic shaft 202 is fixedly connected with an auxiliary door knife 23;
the retractable shaft 202 is configured to extend or retract the car closing end toward the car closing side through the guide hole or the guide hole as the electromagnet 201 is energized or de-energized.
Preferably, a top cap is arranged at the car door opening end of the telescopic shaft 202;
a coil spring 204 is sleeved outside the telescopic shaft 202 between the top cap and the car door opening end of the electromagnet 201, and the deformation force of the coil spring 204 enables the car door closing end of the telescopic shaft 202 to be contracted to the guide hole, so that the auxiliary door vane 23 is attached to the first door vane 21;
the electromagnet 201 is electrified when the car is closed, and generates electromagnetic force which overcomes the deformation force of the spiral spring 204 to enable the telescopic shaft 202 to move towards the closed end of the car, so as to drive the auxiliary door vane 23 to be far away from the first door vane 21;
the electromagnet 201 is powered off after the landing door moves to a closing point;
when the car closes the door, the first vane drive device 92 drives the first vane 21 to swing to the car door opening side;
when the car is opened, the first vane drive device 92 drives the first vane 21 to swing toward the car door closing side.
In the elevator car door opening and closing device according to the first embodiment, at the leveling position, when the car is opened, the first door vane driving device 92 drives the first door vane 21 to swing to the car door closing side, the fit clearance between the first door vane 21 and the second door vane 22 is reduced, the first door vane 21 and the auxiliary door vane 23 attached to the second door vane 22 tightly clamp and push the unlocking roller 4a, so that the unlocking roller 4a rotates around the linkage hinge shaft to drive the locking hook 4c to be completely lifted, the locking hook assembly is unlocked, the landing door is unlocked, and the landing door is opened along with the opening of the car door, as shown in fig. 2; when the car is closed at the leveling position, the first vane driving device 92 drives the first vane 21 to swing towards the car door opening side, the fit clearance between the first vane 21 and the second vane 22 is increased, the first vane 21 gradually keeps away from the unlocking roller 4a, meanwhile, the electromagnet 201 is electrified to generate electromagnetic force to enable the auxiliary vane 23 to keep away from the first vane 21, the auxiliary vane 23 is kept in contact with the unlocking roller 4a, and the unlocking roller 4a is further pushed to drive the landing door to continue to move, as shown in fig. 3; after the car door moves to the closing point, the electromagnet 201 is powered off, the deformation force of the coil spring 204 enables the car door closing end of the telescopic shaft 202 to be contracted to the guide hole, the auxiliary door vane 23 is attached to the first door vane, at this time, the unlocking roller 4a is reset, the layer door locking hook is closed, and all door closing actions are completed, as shown in fig. 4.
According to the elevator car door opening and closing device, the structure for driving the movable door knife on the car door side is changed, the movable door knife auxiliary door knife is added, the electromagnet 201 drives the telescopic shaft 202 to axially move to push the auxiliary door knife 23 to move, the auxiliary door knife 23 can still be kept in contact with the unlocking roller 4a after the first door knife 21 is far away from the unlocking roller 4a in the door closing process, the car door closing driving force is transmitted to the landing door, and the landing door is closed until the landing door is closed. On the premise of not increasing other electrical detection units, the continuous acting force of the car door on the landing door is realized in the door closing process, and the influence that the landing door cannot be closed due to the chimney effect can be overcome. In the process of other door opening and closing movements, the auxiliary door vane and the first door vane are taken as a whole and have the same action as that of a common movable door vane, so that the device not only keeps all functions of the common door vane, but also solves the defects of the common movable door vane, and has the advantages of simple and reliable structure, low cost and convenient operation, ensures the safe operation of the elevator and ensures the safety of passengers.
Example two
Based on elevator sedan-chair door switch door gear of embodiment one, there is the decorative pattern on the car door closing side of vice door sword 23 to improve the coefficient of friction between vice door sword 23 and the latch hook subassembly gyro wheel, restrain the car vibration, effectively overcome the door and open or close the in-process personnel and pass in and out the car vibration from top to bottom that produces, improve and take the travelling comfort.
Preferably, a cushion rubber is attached to the car door opening side of the sub-vane 23.
Preferably, the transverse section of the first door vane 21 is L-shaped;
the transverse section of the second door vane 22 is L-shaped.
Preferably, the second vane 22 is fixedly mounted to the vane mount 1.
Preferably, the second vane 22 is hinged to the vane mount 1.
Preferably, the car door closing signal and the car door movement to closing point signal come from a door machine controller, or come from a car door closing state detection switch and a landing door closing in-place detection switch.
Preferably, the first door vane 21 is fixed with an upper electromagnet assembly 20 and a lower electromagnet assembly 20.
Preferably, the hinge point distance between the two ends of the first swing link 211 is equal to the hinge point distance between the two ends of the second swing link 212.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An elevator car door opening and closing device is characterized by comprising a door vane mounting seat (1) and a clamping device (2);
the door vane mounting seat (1) is fixedly connected with the driving side car door (91);
the clamping device (2) comprises a first door knife (21), a second door knife (22), an auxiliary door knife (23) and an electromagnet assembly (20);
the second door vane (22) is arranged in parallel to the first door vane (21) and is positioned on the car door closing side of the first door vane (21);
one end of the first swing rod (211) is hinged to the first door vane (21), and the other end of the first swing rod is hinged to the door vane mounting seat (1);
one end of the second swing rod 212 is hinged to the first door vane (21), and the other end is hinged to the door vane mounting seat (1);
the first swing rod (211) is parallel to the second swing rod (212);
the first door vane (21) is driven by a first door vane driving device (92) to swing to the door closing side of the car or to the door opening side of the car;
the electromagnet assembly (20) comprises an electromagnet (201) and a telescopic shaft (202);
the electromagnet (201) is fixedly arranged on the first door knife (21);
a guide hole in the opening and closing direction of the car door is formed in the middle of the electromagnet (201);
the telescopic shaft (202) is placed in the guide hole and moves along the guide hole;
the closed door end of the car of the telescopic shaft (202) is fixedly connected with a secondary door knife (23);
and the telescopic shaft (202) leads the closed door end of the elevator car to extend out of the guide hole or retract into the guide hole towards the closed door side of the elevator car along with the electrification or the outage of the electromagnet (201).
2. The elevator car door opening and closing device according to claim 1,
a top cap is arranged at the open end of the car of the telescopic shaft (202);
a coil spring (204) is sleeved outside a telescopic shaft (202) between the top cap and the open end of the car of the electromagnet (201), and the deformation force of the coil spring (204) enables the closed end of the car of the telescopic shaft (202) to be contracted to a guide hole, so that the auxiliary door knife (23) is attached to the first door knife (21);
the electromagnet (201) is electrified when the car is closed, and generates electromagnetic force which overcomes the deformation force of the spiral spring (204) to enable the telescopic shaft (202) to move towards the closed end of the car, so as to drive the auxiliary door knife (23) to be far away from the first door knife (21);
the electromagnet (201) is powered off after the landing door moves to a closing point;
when the car is closed, the first vane driving device (92) drives the first vane (21) to swing towards the car door opening side;
when the car is opened, the first vane driving device (92) drives the first vane (21) to swing to the car door closing side.
3. The elevator car door opening and closing device according to claim 1,
the transverse section of the first door knife (21) is L-shaped;
the transverse section of the second door vane (22) is L-shaped.
4. The elevator car door opening and closing device according to claim 1,
the second door vane (22) is fixedly arranged on the door vane mounting seat (1).
5. The elevator car door opening and closing device according to claim 1,
the second door vane (22) is hinged on the door vane mounting seat (1).
6. The elevator car door opening and closing device according to claim 1,
the car door closing signal and the landing door movement to closing point signal come from a door machine controller or come from a car door closing state detection switch and a landing door closing in-place detection switch.
7. The elevator car door opening and closing device according to claim 1,
an upper electromagnet assembly (20) and a lower electromagnet assembly (20) are fixed on the first door knife (21).
8. The elevator car door opening and closing device according to claim 1,
a buffer rubber is attached to the car door opening side of the auxiliary door vane (23).
9. The elevator car door opening and closing device according to claim 1,
the car closing side of the auxiliary door vane (23) is provided with patterns.
10. The elevator car door opening and closing device according to claim 1,
the distance of the hinge points at the two ends of the first swing rod (211) is equal to the distance of the hinge points at the two ends of the second swing rod (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961408.XU CN211545620U (en) | 2019-11-14 | 2019-11-14 | Door opening and closing device for elevator car door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961408.XU CN211545620U (en) | 2019-11-14 | 2019-11-14 | Door opening and closing device for elevator car door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211545620U true CN211545620U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961408.XU Active CN211545620U (en) | 2019-11-14 | 2019-11-14 | Door opening and closing device for elevator car door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211545620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875474A (en) * | 2021-01-16 | 2021-06-01 | 南通中尧特雷卡电梯产品有限公司 | Elevator door vane device with locking mechanism |
-
2019
- 2019-11-14 CN CN201921961408.XU patent/CN211545620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875474A (en) * | 2021-01-16 | 2021-06-01 | 南通中尧特雷卡电梯产品有限公司 | Elevator door vane device with locking mechanism |
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