CN212222116U - Safety protection device for hall door - Google Patents
Safety protection device for hall door Download PDFInfo
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- CN212222116U CN212222116U CN202020767870.2U CN202020767870U CN212222116U CN 212222116 U CN212222116 U CN 212222116U CN 202020767870 U CN202020767870 U CN 202020767870U CN 212222116 U CN212222116 U CN 212222116U
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Abstract
The utility model discloses a hoistway door safety protection device, install first anti-pinch device or second anti-pinch device in hoistway door and the door pocket stand clearance, first anti-pinch device forms link mechanism with the door pocket stand, the foreign matter gets into the region of being pressed from both sides, and the hoistway door touches first activity riser when pushing in, drives the runner assembly, and the runner assembly rotates and strikes first dual-frenquency contactor, and first dual-frenquency contactor is converted into normally open state by the normally closed state, breaks layer door system circuit, and the hoistway door stops the motion of opening the door; the second anti-pinch device and the door pocket stand column form an elastic reset mechanism, foreign matters enter a clamped area, the hall door pushes the second movable vertical plate when pushed in, the trigger of the second dual-frequency contactor connected to the second movable vertical plate moves horizontally to leave the main body, the normally closed state is switched to the normally open state, a landing door system loop is disconnected, and the hall door stops opening the door. The utility model has the advantages that can prevent effectively that the hand from being pressed from both sides in any position, simultaneously can automatic re-setting.
Description
Technical Field
The utility model relates to an elevator equipment safety field, concretely relates to room door safety arrangement.
Background
At present, the phenomenon that hands of children are clamped by an elevator door frequently occurs. The existing elevator standard stipulates that the gaps between elevator door leaves and between the door leaves and an upright post, a door lintel and a sill of the elevator are not more than 6mm for passenger elevators; for a freight elevator not to exceed 8mm, 10mm is allowed due to wear during use. The fingers of children are generally about 6mm in diameter, and with the increase of the gap of the elevator door, the risk that the hands of the children are clamped into the gap between the elevator door and the upright post is obviously increased.
In order to solve the above problems, chinese patent application publication No. CN110636986A discloses a safety device for preventing hands from being pinched by an elevator using a camera, and this utility model realizes the prevention of hands from being pinched by controlling the opening and closing of a door when the hands of a person are pinched by an interval between an elevator door and a door frame using the camera. But the key of the utility model is still the sensitivity depending on the camera, the effect can not be completely achieved, and once the dead angle still has the hidden trouble of tong.
The above is where the present application needs to be addressed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a hall door safety protection device that effectively prevents to be pressed from both sides is to be provided.
In order to solve the technical problem above, the utility model provides a room door safety arrangement, respectively install first anti-pinch device in room door both sides and the door pocket stand clearance, runner assembly is respectively installed to the upper portion and the lower part of each side door pocket stand, the door pocket stand, runner assembly and first activity riser form link mechanism, the foreign matter gets into by the clamp region, touch first activity riser when the room door pushes away, drive runner assembly, the first double-frenquency contactor of runner assembly rotation striking, first double-frenquency contactor is converted into normally open state by normally closed state, disconnection layer door system return circuit, room door stops the motion of opening the door.
First anti-pinch device includes first activity riser, runner assembly, first dual-frenquency contactor and first installing support, and the main side of first installing support is installed on the face of bending of door pocket stand, and the first dual-frenquency contactor of secondary side upper end installation, runner assembly's one end is installed to the lower extreme, and runner assembly's the other end and first activity riser are connected.
The rotating assembly comprises a rotating shaft, a bearing and a rotating plate, and the rotating shaft and the bearing are installed in a matched mode and then are installed in the upper end opening and the lower end opening of the rotating plate to form the rotating assembly.
The first movable vertical plate moves upwards to drive the rotating plate, and the rotating plate rotates by taking a lower end fixed point as a fulcrum to impact the first double-frequency contactor; when no foreign object enters the clamped area, the first movable vertical plate automatically falls down to return to the original position under the action of gravity.
In order to solve the technical problem above, the utility model also provides a room door safety arrangement, respectively install the second in room door both sides and the door jacket stand clearance and prevent tong device, at least one elasticity reset assembly of each side door jacket stand-mounting, the foreign matter gets into and is pressed from both sides the region, promote the activity riser of second when the room door pushes away, the trigger translation of the second dual-frenquency contactor of connecting in the activity riser of second leaves the main part, switch to normally open state by normally closed state, disconnection layer door system return circuit, the room door stops the motion of opening the door.
The second anti-pinch device comprises a second movable vertical plate, a second mounting bracket, a second dual-frequency contactor, a mounting plate, an elastic reset component and a return collision plate, wherein the main side edge of the return collision plate is mounted on the bending surface of the door pocket stand column, the elastic reset component is fixed on the second movable vertical plate, the small end surface of the elastic reset component penetrates through a boss round hole on the return collision plate to abut against the return collision plate, the large end surface of the elastic reset component abuts against the second movable vertical plate, the main body of the second dual-frequency contactor is fixed at the bending surface of the mounting plate, the main side surface of the mounting plate is mounted on the bending surface of the door pocket stand column, the second mounting bracket is fixed on the second movable vertical plate, and a trigger of the second dual-frequency contactor is.
The elastic reset assembly comprises a reset shaft, a reset pressure plate and a reset spring, and the reset shaft penetrates through the reset pressure plate and penetrates through the reset spring to form the elastic reset assembly.
The trigger of the second dual-frequency contactor is translated away from the main body, and the return spring is in a compressed state; the free from extraneous matter gets into by the clamp region, and three elasticity reset assembly receives the reaction force of answer spring to rebound original state with the second activity riser, realizes that automatic re-setting is steady, and door safety circuit is automatic to be switched on simultaneously.
In order to solve the technical problem, the utility model also provides a hall door safety arrangement, include
First anti-pinch device: the landing door is arranged in a gap between one side of the landing door and the door pocket stand column, the upper part and the lower part of the door pocket stand column are respectively provided with a rotating assembly, the door pocket stand column, the rotating assembly and the first movable vertical plate form a connecting rod mechanism, foreign matters enter a clamped area, the landing door touches the first movable vertical plate when pushed in to drive the rotating assembly, the rotating assembly rotates to impact a first double-frequency contactor, the first double-frequency contactor is converted from a normally closed state to a normally open state, a landing door system loop is disconnected, and the landing door stops door opening movement;
the second prevents tong device: the elevator door is arranged in a gap between the other side of the hall door and the door pocket stand column, at least one elastic reset assembly is arranged on the door pocket stand column, foreign matters enter a clamped area, the hall door pushes the second movable vertical plate when pushed in, a trigger of a second double-frequency contactor connected to the second movable vertical plate is moved horizontally to leave the main body, the normally closed state is switched to a normally open state, a landing door system loop is disconnected, and the hall door stops door opening movement.
First anti-pinch device, the length of its first activity riser is long enough, enough covers the region that both hands reachd, no matter which position hand is pressed from both sides and is made first anti-pinch device operation effective.
The second prevents tong device, the length of its second activity riser is long enough, enough covers the region that both hands reachd, no matter which position hand is pressed from both sides and is made the second prevent tong device operation effective.
The utility model has the advantages that:
1) the utility model can effectively prevent the hands or fingers from being clamped at any position, and meanwhile, the hands can automatically reset after withdrawing from the clamped area, and the elevator landing door can be restored to operate;
2) the utility model discloses there are the anti-pinch device of two kinds of isostructures, according to actual demand independent assortment, improved economic benefits.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view illustrating the installation of a hall door protection device according to the present invention;
FIG. 2 is an enlarged schematic view of section A and section B of FIG. 1;
FIG. 3 is an exploded view of the first anti-pinch device of the present invention;
FIG. 4 is a schematic structural view of a first anti-pinch device of the present invention;
FIG. 5 is an exploded view of a second anti-pinching device of the present invention;
FIG. 6 is a schematic structural view of a second anti-pinch device of the present invention;
the reference numbers in the figures illustrate:
1-hoistway door;
2-door pocket upright post;
3-a landing sill assembly;
4, a first anti-pinch device structure;
401 — a first movable vertical plate; 402-a rotating shaft;
403-rotating the plate; 404-a bearing;
405 — a first dual frequency contactor; 406 — a first mounting bracket;
407-a first fastener;
5, a second anti-pinch device structure;
501-a second movable vertical plate; 502 — a second mounting bracket;
503 — a second dual frequency contactor; 504-mounting plate;
505 — a return axis; 506-restoring the pressure plate;
507-a return spring; 508-returning the striking plate;
509 — second fastener.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the embodiment, the first anti-pinch device 4 is installed on the left side, and the second anti-pinch device is installed on the right side, for example, so as to distinguish the left side and the right side from the hall door from the outside.
The elevator hall door main structure comprises an elevator hall door 1, a door pocket stand column 2 and a hall door sill assembly 3, wherein a gap of 4-6mm exists between the elevator hall door 1 and the door pocket stand column 2 in the traditional landing door structure, and no structure exists. As shown in fig. 1 and 2, the utility model provides a hall door safety arrangement, first anti-pinch device 4, second anti-pinch device 5 are installed between hoistway door 1 and door pocket stand 2, are located left side limit and right side limit to the hall door from the hall door outside respectively, and hoistway door 1 is opening the door in-process, if hand or finger get into hoistway door 1 and door pocket stand 2's space at any not co-altitude, can trigger first anti-pinch device 4 or second anti-pinch device 5's structure activity to cut off door system return circuit, make hoistway door 1 stop the process of opening the door.
As shown in fig. 3 and 4, the first anti-pinch device 4 is installed between the hoistway door 1 and the door jamb 2, and is connected and fixed with the door jamb 2. The first anti-pinch device 4 includes a first movable vertical plate 401, a rotating shaft 402, a rotating plate 403, a bearing 404, a first dual-frequency contactor 405, a first mounting bracket 406, and a first fastener 407. The main side of the first mounting bracket 406 is mounted on the bending surface of the door pocket upright post 2 by using a first fastener 407, the upper end of the secondary side is mounted with a first dual-frequency contactor 405 by using the first fastener 407, the lower end is mounted with one end of a rotating assembly formed by assembling a rotating shaft 402, a bearing 404 and a rotating plate 403, and the other end of the rotating assembly is connected with the first movable vertical plate 501. The first anti-pinch device 4 is arranged at the upper and lower proper positions of the door pocket upright post 2, and the first movable vertical plate 401, the rotating component and the door pocket upright post 2 form a link mechanism movement mode. When a hand or a finger enters a clamped area, the first movable vertical plate 401 is touched when the elevator hall door 1 is opened due to the action of friction force when the hand is pushed into the elevator hall door 1, according to the motion principle of a link mechanism, the first movable vertical plate 401 moves upwards to drive the rotating plate 403, the rotating plate 403 rotates by taking a fixed point at the lower end as a fulcrum to impact the first double-frequency contactor 405, the first double-frequency contactor 405 is switched from a normally closed state to a normally open state, a landing door system loop is disconnected, the elevator hall door 1 stops opening the door immediately, and the hand or the finger is protected from being dragged continuously to be injured. When the hand is withdrawn from the clamped area, the first movable vertical plate 401 automatically falls down to return to the original position due to the gravity.
As shown in fig. 5 and 6, the second anti-pinch device 5 is installed between the hoistway door 1 and the door jamb 2, and is connected and fixed with the door jamb 2. The second anti-pinch device 5 includes a second movable vertical plate 501, a second mounting bracket 502, a second dual-frequency contactor 503, a mounting plate 504, a return shaft 505, a return pressure plate 506, a return spring 507, a return collision plate 508 and a second fastening member 509. The return striker plate 508 and the main side edge are mounted to the jamb 2 and the angled face by a second fastener 509. The return shaft 505 passes through the return pressure plate 506 and through a return spring 507 to form a resilient return assembly. The large end face of the restoring shaft 505 props against the second movable vertical plate 501, the small end face penetrates through a boss circular hole of the restoring collision plate 508 to prop against the restoring collision plate 508, and the whole elastic reset assembly penetrates through a restoring pressure plate 506 through a second fastener 509 and is fixed on the second movable vertical plate 501 through a lock hole. In order to improve the stability of the return, the elastic reset device is arranged at the upper part, the middle part and the lower part of the door pocket upright post 2 in the embodiment. The main side of the mounting plate 504 is mounted on the bending surface of the door pocket upright post 2 through a second fastener 509, the main body of the second dual-frequency contactor 503 is fixed at the bending surface of the mounting plate 504, the second mounting bracket 502 is fixed at the second movable upright plate 501 through the second fastener 509, and the trigger of the second dual-frequency contactor 503 is mounted at the folding edge of the second mounting bracket 502. When a hand or a finger enters a clamped area and the hoistway door 1 is opened, the friction force is generated when the second movable vertical plate 501 is pushed by the hoistway door, the trigger of the second dual-frequency contactor 503 connected to the second movable vertical plate 501 leaves the main body and is switched from a normally closed state to a normally open state, the landing door system door loop is disconnected, the hoistway door 1 stops running, the hand or the finger is prevented from being dragged and injured continuously, and the return spring 507 is in a compressed state at the moment. When the hand is withdrawn from the clamped area, the three elastic reset components rebound the second movable vertical plate 501 to the original state by the counterforce of the return spring 507. The second dual frequency contactor 503 is installed at the upper 250mm of the middle elastic reset assembly.
The utility model discloses there are the anti-pinch device of two kinds of isotructures, according to actual demand independent assortment, if all install first anti-pinch device between hoistway door both sides AND gate cover stand, or all install the second anti-pinch device between hoistway door both sides AND gate cover stand, can both effectively prevent that hand or finger from being pressed from both sides, the hand can automatic re-setting after withdrawing from the clamp region simultaneously, and the elevator layer door can resume operation.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A hall door safety arrangement which characterized in that: comprises that
First anti-pinch device: the landing door is arranged in a gap between one side of the landing door and the door pocket stand column, the upper part and the lower part of the door pocket stand column are respectively provided with a rotating assembly, the door pocket stand column, the rotating assembly and the first movable vertical plate form a connecting rod mechanism, foreign matters enter a clamped area, the landing door touches the first movable vertical plate when pushed in to drive the rotating assembly, the rotating assembly rotates to impact a first double-frequency contactor, the first double-frequency contactor is converted from a normally closed state to a normally open state, a landing door system loop is disconnected, and the landing door stops door opening movement;
the second prevents tong device: the elevator door is arranged in a gap between the other side of the hall door and the door pocket stand column, at least one elastic reset assembly is arranged on the door pocket stand column, foreign matters enter a clamped area, the hall door pushes the second movable vertical plate when pushed in, a trigger of a second double-frequency contactor connected to the second movable vertical plate is moved horizontally to leave the main body, the normally closed state is switched to a normally open state, a landing door system loop is disconnected, and the hall door stops door opening movement.
2. A hall door safety arrangement which characterized in that: the first anti-pinch device is mounted in gaps between two sides of the hall door and the door sleeve stand columns, the rotating assemblies are mounted on the upper portion and the lower portion of each side door sleeve stand column respectively, the door sleeve stand columns, the rotating assemblies and the first movable vertical plates form a connecting rod mechanism, foreign matters enter a clamped area, the hall door touches the first movable vertical plates when pushed in to drive the rotating assemblies, the rotating assemblies rotate to impact the first double-frequency contactors, the first double-frequency contactors are switched from a normally closed state to a normally open state, a landing door system loop is disconnected, and the hall door stops door opening movement.
3. A hall door safety arrangement which characterized in that: the two sides of the hall door are respectively provided with a second anti-pinch device in the gap between the two sides of the hall door and the upright posts of the door sleeve, each upright post of the side door sleeve is provided with at least one elastic reset component, foreign matters enter a clamped area, the hall door pushes the second movable upright plate when pushed in, a trigger of a second double-frequency contactor connected to the second movable upright plate moves horizontally to leave the main body, the normally closed state is switched to a normally open state, a landing door system loop is disconnected, and the hall door stops door opening movement.
4. The hall door safety protecting apparatus according to claim 1 or 2, wherein: first anti-pinch device includes first activity riser, runner assembly, first dual-frenquency contactor and first installing support, and the main side of first installing support is installed on the face of bending of door pocket stand, and the first dual-frenquency contactor of secondary side upper end installation, runner assembly's one end is installed to the lower extreme, and runner assembly's the other end and first activity riser are connected.
5. The hall door safety apparatus according to claim 4, wherein: the rotating assembly comprises a rotating shaft, a bearing and a rotating plate, and the rotating shaft and the bearing are installed in a matched mode and then are installed in the upper end opening and the lower end opening of the rotating plate to form the rotating assembly.
6. The hall door safety apparatus according to claim 5, wherein: the first movable vertical plate moves upwards to drive the rotating plate, and the rotating plate rotates by taking a lower end fixed point as a fulcrum to impact the first double-frequency contactor; when no foreign object enters the clamped area, the first movable vertical plate automatically falls down to return to the original position under the action of gravity.
7. The hall door safety protecting apparatus according to claim 1 or 3, wherein: the second anti-pinch device comprises a second movable vertical plate, a second mounting bracket, a second dual-frequency contactor, a mounting plate, an elastic reset component and a return collision plate, wherein the main side edge of the return collision plate is mounted on the bending surface of the door pocket stand column, the elastic reset component is fixed on the second movable vertical plate, the small end surface of the elastic reset component penetrates through a boss round hole on the return collision plate to abut against the return collision plate, the large end surface of the elastic reset component abuts against the second movable vertical plate, the main body of the second dual-frequency contactor is fixed at the bending surface of the mounting plate, the main side surface of the mounting plate is mounted on the bending surface of the door pocket stand column, the second mounting bracket is fixed on the second movable vertical plate, and a trigger of the second dual-frequency contactor is.
8. The hall door safety apparatus according to claim 7, wherein: the elastic reset assembly comprises a reset shaft, a reset pressure plate and a reset spring, and the reset shaft penetrates through the reset pressure plate and penetrates through the reset spring to form the elastic reset assembly.
9. The hall door safety apparatus according to claim 8, wherein: the trigger of the second dual-frequency contactor is translated away from the main body, and the return spring is in a compressed state; no foreign object enters the clamped area, and the three elastic reset components rebound the second movable vertical plate to the original state under the reaction force of the return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020767870.2U CN212222116U (en) | 2020-05-11 | 2020-05-11 | Safety protection device for hall door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020767870.2U CN212222116U (en) | 2020-05-11 | 2020-05-11 | Safety protection device for hall door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212222116U true CN212222116U (en) | 2020-12-25 |
Family
ID=73926352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020767870.2U Active CN212222116U (en) | 2020-05-11 | 2020-05-11 | Safety protection device for hall door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212222116U (en) |
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2020
- 2020-05-11 CN CN202020767870.2U patent/CN212222116U/en active Active
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