CN216583708U - Elevator door safety protection device and elevator door - Google Patents
Elevator door safety protection device and elevator door Download PDFInfo
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- CN216583708U CN216583708U CN202123271565.8U CN202123271565U CN216583708U CN 216583708 U CN216583708 U CN 216583708U CN 202123271565 U CN202123271565 U CN 202123271565U CN 216583708 U CN216583708 U CN 216583708U
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Abstract
The utility model provides a lift-cabin door safety arrangement, a serial communication port, include: a moving assembly comprising: a driving part installed on the first elevator door; and a support frame installed on the driving part and configured to move from the first elevator door to the second elevator door when the first elevator door and the second elevator door are closed to be less than a set distance; the trigger switch is arranged on the supporting frame; a safety line extending in a vertical direction, one end of the safety line being connected to the trigger switch and the other end being connected to the support frame, the safety line moving with the support frame from the first elevator door to the second elevator door; the safety line can deform due to contact with an obstacle, and triggers the trigger switch to send a signal to the door motor control unit to open the elevator door. And simultaneously, the utility model also provides an use above-mentioned safety arrangement's lift-cabin door.
Description
Technical Field
The utility model discloses an at least embodiment relates to an elevator door, especially relates to a safety arrangement behind soft tiny object of elevator door centre gripping and the transparent object and including this kind of elevator door safety arrangement's elevator door.
Background
In the safety protection system of elevator door, adopt devices such as light curtain and safety touch panel (machinery) mostly, prevent that the elevator door from centre gripping foreign matter in the closing process, however light curtain can sense the major possession object more than 10mm, then the elevator door just reopens. However, the elevator door is a blind area within 100mm from the bottom to the top, and under the condition that the distance (gap) between the first elevator door and the second elevator door before the elevator door is closed is less than 50mm, the light curtain basically has no effect, so that the safety risk always exists, and the light curtain basically has no induction amount for glass light-transmitting objects. The safety touch panel can be triggered by directly touching with an object with a certain weight by hand, and when a gap is small before the door is closed (for example, within 50 mm), the safety touch panel can automatically retreat, and thin glass or soft and small objects (such as dog ropes) can not be sensed any more, so that potential safety hazards are generated.
In recent years, people hurt by elevator doors at home and abroad due to clamping of glass transparent objects and soft objects of dog ropes are increasing, and the death caused by clamping of the dog ropes and people hurt is the most serious. If the strength of the rope is large enough, an object tied by the rope is outside the hoistway door, the movement of the elevator can cause the landing door to be squeezed by the object, the door shoes are damaged, the landing door is pulled into the hoistway door, if a person outside the landing door has the action of pulling the object in a hurry at that time, the person can be brought into the hoistway door as well, and great potential safety hazards exist.
Accordingly, it is desirable to provide a more secure and effective elevator door safety protection device.
SUMMERY OF THE UTILITY MODEL
In order to solve any technical problem of above-mentioned among the prior art or other aspects, the embodiment of the utility model provides an elevator door safety arrangement can prevent that the elevator door centre gripping is long and thin, tiny object.
An aspect of the utility model provides an elevator door safety arrangement, include: the movable assembly, the trigger switch and the safety defense line.
Wherein, remove the subassembly, include: a driving part installed on the first elevator door; and a support frame installed on the driving part and configured to move from the first elevator door to the second elevator door when the first elevator door and the second elevator door are closed to be less than a set distance;
the trigger switch is arranged on the supporting frame;
a safety wire extending in a vertical direction, one end of the safety wire being connected to the trigger switch and the other end being connected to the support frame, the safety wire moving with the support frame from a first elevator door to a second elevator door;
the safety line can deform due to contact with an obstacle, and triggers the trigger switch to send a signal to the door motor control unit to open the elevator door.
According to the embodiment of the utility model provides a, lift-cabin door safety arrangement still includes: a fixing lever installed on the second elevator door, the fixing lever being configured to push the support frame of the moving assembly to move toward the second elevator door when the first and second elevator doors are closed to be less than the set distance.
According to the embodiment of the utility model provides a, the one end of dead lever is installed and is used for on the link plate of second lift-cabin door, and the orientation first lift-cabin door extends.
According to the embodiment of the utility model provides a, lift-cabin door safety arrangement, its characterized in that still includes: a reset device, the moving component moving towards the second elevator door against the elastic force of the reset device.
According to the utility model discloses embodiment, braced frame includes: an upright frame, a first horizontal frame, and a second horizontal frame.
Wherein, the upright frame is connected with the driving part; the first horizontal frame and the second horizontal frame are respectively arranged at the upper end and the lower end of the vertical frame and extend from the vertical frame to the second elevator door, the trigger switch is connected to the first horizontal frame, and the safety defense line is connected between the trigger switch and the second horizontal frame.
According to the utility model discloses, first horizontal bracket and second horizontal bracket, set for the distance do distance between first lift-cabin door and the second lift-cabin door should be set for the distance and be less than 50 mm.
According to the utility model discloses the embodiment, the removal subassembly still includes: the sliding rod, the sliding rail and the connecting rod component; and a moving member.
The sliding rod extends out of the upper end of the first elevator door, and contacts with the fixed rod when the first elevator door and the second elevator door are folded to be smaller than the set distance. A slide rail connected with the slide rod to enable the slide rod to translate along the slide rail; the slide lever urges the moving member to move in a direction opposite to a moving direction of the link via the link assembly.
According to the utility model discloses embodiment, link assembly includes: one end of the first connecting rod is connected with the sliding rod through a first pivot; one end of the second connecting rod is connected with the other end of the first connecting rod through a second pivot; and a third link, one end of which is connected to the second pivot and the other end of which is connected to the moving member through a third pivot; and one end of the fourth connecting rod is connected with the second pivot, and the other end of the fourth connecting rod is connected to the second elevator door through a fourth pivot.
According to an embodiment of the invention, the moving member is arranged in a chute, which chute defines the reciprocating movement of the moving member in the horizontal direction.
The utility model discloses an on the other hand still provides an elevator door, a serial communication port, include: the elevator comprises a first elevator door and a second elevator door matched with the first elevator door; and the elevator door safety protection device of any one of the above.
According to the utility model discloses above-mentioned embodiment's lift-cabin door safety arrangement, through setting up in the braced frame 2 and the safety wire of preventing of lift-cabin door department, detect the foreign matter in the lift-cabin door gap when the lift-cabin door is closed, especially light curtain or safety touch panel response can not arrive tiny object, like wire rope or rope made of hemp that the diameter is less than 10mm, in the narrow gap before the door closure, trigger the safety wire and produce deformation to signals makes the elevator stop motion or makes the lift-cabin door reopen.
Drawings
Fig. 1 schematically shows a structural schematic view of an original state of an elevator door safety device according to an embodiment of the present invention;
fig. 2 schematically shows a structural schematic view of the elevator door safety protection device of the embodiment of the utility model after the elevator door is closed;
fig. 3 is a schematic view showing a state in which the elevator door safety device according to the embodiment of the present invention grips a long and thin foreign matter; and
fig. 4 schematically illustrates a simplified schematic view of a linkage assembly of an elevator door safety device in accordance with an embodiment of the present invention.
In the above figures, the reference numerals have the following meanings:
1 a driving part; 2 supporting the frame; 3 triggering a switch; 4, safety defense line; 5, fixing the rod;
6, resetting the device; 7 a slide bar; 8, a slide rail; 9 a connecting rod assembly; 10 moving means;
21 an upright frame; 91 a first link; 92 a second link; 93 a third link; 94 a fourth link;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
It should be understood that the description is illustrative only and is not intended to limit the scope of the present invention. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. Furthermore, in the following description, descriptions of well-known technologies are omitted so as to avoid unnecessarily obscuring the concepts of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "comprising" as used herein indicates the presence of the features, steps, operations but does not preclude the presence or addition of one or more other features.
All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It is noted that the terms used herein should be interpreted as having a meaning that is consistent with the context of this specification and should not be interpreted in an idealized or overly formal sense.
In the disclosed embodiment, as shown in fig. 1, the elevator door safety protection device includes:
a moving assembly comprising:
a driving part 1 installed on the first elevator door; and
a support frame 2 installed on the driving part and configured to move at least partially from the first elevator door into the second elevator door when the first elevator door and the second elevator door are closed to be less than a set distance;
the trigger switch 3 is arranged on the supporting frame;
a safety wire 4 extending in a vertical direction, one end of the safety wire being connected to the trigger switch 3 and the other end being connected to the support frame, the safety wire moving with the support frame from the first elevator door to the second elevator door;
the safety line can deform due to contact with an obstacle, and triggers the trigger switch to send a signal to the door motor control unit to open the elevator door.
According to the utility model discloses embodiment, above-mentioned safety arrangement still includes: a fixing lever 5 installed on the second elevator door, the fixing lever being configured to push the support frame of the moving assembly to move toward the second elevator door when the first and second elevator doors are closed to be less than the set distance. One end of the fixed rod is installed on a hanging plate used for the second elevator door and extends towards the first elevator door.
According to the embodiment of the utility model provides a, trigger switch 3 is used for the control the deformation of safety protection line perhaps safety protection line with trigger switch's relative displacement condition, for example travel switch.
According to the embodiment of the utility model provides an, above-mentioned safety arrangement still includes: a reset device 6, the moving component moving towards the second elevator door against the elastic force of the reset device.
According to the embodiment of the utility model provides a, braced frame 2 includes: an upright frame 21 connected to the driving part; the first horizontal frame and the second horizontal frame are respectively arranged at the upper end and the lower end of the vertical frame 21 and extend from the vertical frame to the second elevator door, the trigger switch is connected to the first horizontal frame, and the safety defense line is connected between the trigger switch and the second horizontal frame.
The moving assembly further comprises: and the sliding rod 7 extends out of the upper end of the first elevator door, and is contacted with the fixed rod when the first elevator door and the second elevator door are folded to be smaller than the set distance. Further, the moving assembly further comprises: a slide rail 8 connected with the slide rod to make the slide rod translate along the slide rail; a connecting rod assembly 9; and a moving member 10 which is pushed by the slide lever through the link assembly to move in a direction opposite to the moving direction of the link. For example, the moving member may be provided in a slide groove that limits the moving member to reciprocate in the horizontal direction.
According to the embodiment of the utility model, link assembly 9 includes four connecting rods, is respectively:
a first link 91, one end of which is connected to the slide lever by a first pivot;
a second link 92, one end of which is connected to the other end of the first link by a second pivot; and
a third link 93 having one end connected to the second pivot and the other end connected to the moving member through a third pivot; and
a fourth link 94, one end of which is connected to the second pivot and the other end of which is connected to the second elevator door by a fourth pivot.
According to the embodiment of the present disclosure, the set distance is a distance between the first elevator door and the second elevator door, and the set distance is less than 50 mm.
In order that the device does not affect the overall appearance of the elevator or the device runs more safely, all parts of the device are arranged at places which are not easy to observe by a user, for example, a left door plate and a right door plate of a common elevator are fixed on a left door hanging plate and a right door hanging plate, and the door hanging plates move left and right on a sliding rail on a door head to realize the opening and closing of a door. Therefore, the fixed rod 5 is arranged on the door hanging plate or the door head, and if the elevator is opened at one side, the fixed rod can also be fixed in a space corresponding to the movable door, such as a wall body or a fixed part of the elevator; as shown in fig. 1, the gap of the elevator door now reaches a set distance, for example, 50mm, if the door is closed, the fixed rod 5 fixed on the left door hanging plate will push the moving component to move, specifically, the sliding rod 7 moves on the sliding rail 8, the sliding rail 8 is fixed on the right door plate, the sliding rod 7 will drive the first connecting rod 91 to rotate when moving to the right, so that the first connecting rod 91 will push the second connecting rod 92 and the third connecting rod 93 to rotate, so as to push the supporting frame 2 equipped with the safety line 4 to act on the resetting device 6 (for example, a spring) and move to the left, the spring is fixed on the right door plate, during the moving of the moving component 10 to the left, if before the door is not closed, a transparent object such as glass is in the door gap area, a tiny hard object such as a steel wire rope or a hemp rope with a diameter smaller than 10mm is in the door gap area, the object will inevitably touch the safety line 4, at this time, the trigger switch 3 connected with the safety line 4 is triggered due to being pulled, a switch signal is sent to inform the door machine to open the door, and after the door machine opens the door, the support frame 2 can be restored to the initial position by the elastic force of the spring.
The moving member is disposed in a chute that limits the moving member to reciprocate in a horizontal direction.
Another aspect of the utility model also provides an elevator door, including the above-mentioned first elevator door and with the second elevator door of first elevator door complex; and the elevator door safety protection device of any one of the above.
In the embodiment of the utility model, if the object in the elevator door seam area is a tiny and soft object, such as a dog rope, if the dog rope is thicker or has enough blocking force, then the safety protection can be carried out according to the above-mentioned description; if the safety line 4 is too small in blocking force of the dog rope or cannot change the stroke of the safety line due to softness in the moving process, the dog rope is pushed by the safety line 4 to move leftwards until the door is closed, the safety line moves to the area of the left side door detecting plate shown in fig. 2, the state of the dog rope is shown in fig. 3 (bending state), the dog rope is clamped, a person or a dog can pull the dog rope naturally, and the safety line 4 can also deform due to the pulling force of the dog rope as long as the dog rope is pulled, so that a trigger switch (for example, a stroke switch) is triggered. If the dog or people do not pull the rope, so long as the car moves, the dog rope can also be straightened to produce acting force on the security protection wire, the travel switch can be triggered, and the door machine or the host machine frequency converter receives a signal and can carry out the instruction of stopping operation and contracting brake immediately.
According to the embodiment of the utility model provides an if there is not any object of centre gripping for the elevator, then this set of mechanism is according to as figure 2 state along with the car operation, reaches appointed floor after, the door machine opens the door, and the mechanism leans on resetting means 6 to resume original state, closes the door again, and the circulation is reciprocal.
According to the embodiment of the utility model provides a, braced frame 2 can set up the space gap that corresponds for protecting whole lift-cabin door, also can set up the space gap that corresponds for protecting lift-cabin door downside or upside. For example, the lower end fixing point of the safety defense line is set to exceed the lower end surface of the car door plate and/or the upper end surface of the car door plate by about 20mm, so that the blind area of the upper end or the lower end, the length of the whole safety defense line, the length of a mechanism connecting rod, the strength of the safety defense line, the opening degree of a door, the height of the door and other parameters can be optimally designed to meet the functional requirements.
According to the embodiment of the present invention, as shown in fig. 4, the movement structure diagram of the mechanism is obtained by calculating the degree of freedom F to be 1, and the mechanism can realize regular movement.
Degree of freedom calculation formula F ═ 3n- (2P)l-Ph)；
Where n is 5, which are moving members 01, 02, 03, 04, 05 in fig. 4, respectively.
According to the embodiment of the utility model provides a because the regulation of light curtain is forced to be carried out, can not replace, but this set of mechanism can replace safe touch panel and light curtain cooperation to use, makes the regional no dead angle of lift-cabin door.
According to the embodiment of the utility model provides a, this set of lift-cabin door safety arrangement is pure mechanical link structure, adds an ordinary travel switch again, and the installation strength requires lowly, and manufacturing cost is also lower.
According to the utility model discloses above-mentioned embodiment's lift-cabin door safety arrangement and lift-cabin door, through setting up in the braced frame 2 and the safety line of preventing of lift-cabin door department, detect the foreign matter in the lift-cabin door gap when the lift-cabin door is closed, especially light curtain or safety touch panel response can not arrive tiny object, like diameter is less than 10 mm's wire rope or rope made of hemp, in the narrow gap before the door closure, trigger safety line of preventing and produce deformation to signals makes the lift-cabin door reopen, can very effectually prevent the lift-cabin door because the soft object such as centre gripping glass transparent object and dog rope and the incident that leads to.
So far, the embodiments of the present invention have been described in detail with reference to the accompanying drawings. It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. In addition, the above definitions of the components are not limited to the specific structures, shapes or manners mentioned in the embodiments, and those skilled in the art may easily modify or replace them.
It should also be noted that, unless otherwise indicated, the numerical parameters set forth in the specification and attached claims are approximations that can vary depending upon the desired properties sought to be obtained by the teachings of the present invention. In particular, all numbers expressing dimensions, range conditions, and so forth, used in the specification and claims are to be understood as being modified in all instances by the term "about". Generally, the expression is meant to encompass variations of ± 10% in some embodiments, 5% in some embodiments, 1% in some embodiments, 0.5% in some embodiments by the specified amount.
It will be appreciated by a person skilled in the art that various combinations and/or combinations of features described in the various embodiments and/or the claims of the present invention are possible, even if such combinations or combinations are not explicitly described in the present invention. In particular, various combinations and/or combinations of the features recited in the various embodiments and/or claims of the present invention may be made without departing from the spirit and teachings of the invention. All such combinations and/or associations fall within the scope of the present invention.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (11)
1. An elevator door safety protection device, comprising:
a moving assembly, the moving assembly comprising:
a driving part installed on the first elevator door; and
a support frame installed on the driving part and configured to move from the first elevator door to the second elevator door when the first elevator door and the second elevator door are closed to be less than a set distance;
the trigger switch is arranged on the supporting frame;
a safety line extending in a vertical direction, one end of the safety line being connected to the trigger switch and the other end being connected to the support frame, the safety line moving with the support frame from the first elevator door to the second elevator door;
the safety line can deform due to contact with an obstacle, and triggers the trigger switch to send a signal to the door motor control unit to open the elevator door.
2. The elevator door safety device of claim 1, further comprising: a fixing lever installed on the second elevator door, the fixing lever being configured to push the support frame of the moving assembly to move toward the second elevator door when the first and second elevator doors are closed to be less than the set distance.
3. The elevator door safety device of claim 2, wherein one end of the fixing rod is installed on a hanger plate for the second elevator door and extends toward the first elevator door.
4. The elevator door safety device of claim 1, further comprising:
a reset device, the moving component moving towards the second elevator door against the elastic force of the reset device.
5. The elevator door safety arrangement of claim 1, wherein the support frame comprises:
the upright frame is connected with the driving part;
the first horizontal frame and the second horizontal frame are respectively arranged at the upper end and the lower end of the vertical frame and extend from the vertical frame to the second elevator door, the trigger switch is connected to the first horizontal frame, and the safety defense line is connected between the trigger switch and the second horizontal frame.
6. The elevator door safety device of claim 1, wherein the set distance is a distance between the first elevator door and the second elevator door, the set distance being less than 50 mm.
7. The elevator door safety device of claim 3, wherein the moving assembly further comprises:
and the sliding rod extends out of the upper end of the first elevator door, and is contacted with the fixed rod when the first elevator door and the second elevator door are folded to be smaller than the set distance.
8. The elevator door safety device of claim 7, wherein the moving assembly further comprises:
a slide rail connected with the slide rod to enable the slide rod to translate along the slide rail;
a connecting rod assembly; and
a moving member that the slide rod pushes the moving member to move in a direction opposite to a moving direction of the link by the link assembly.
9. The elevator door safety protection device of claim 8, wherein the linkage assembly comprises:
one end of the first connecting rod is connected with the sliding rod through a first pivot;
one end of the second connecting rod is connected with the other end of the first connecting rod through a second pivot; and
a third link, one end of which is connected to the second pivot and the other end of which is connected to the moving member via a third pivot; and
one end of the fourth connecting rod is connected with the second pivot, and the other end of the fourth connecting rod is connected to the second elevator door through a fourth pivot.
10. The elevator door safety device of claim 8, wherein the moving member is disposed in a sliding groove that limits the moving member to reciprocate in a horizontal direction.
11. An elevator door, comprising:
the elevator comprises a first elevator door and a second elevator door matched with the first elevator door; and
elevator door safety protection according to any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271565.8U CN216583708U (en) | 2021-12-23 | 2021-12-23 | Elevator door safety protection device and elevator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271565.8U CN216583708U (en) | 2021-12-23 | 2021-12-23 | Elevator door safety protection device and elevator door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216583708U true CN216583708U (en) | 2022-05-24 |
Family
ID=81616630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123271565.8U Active CN216583708U (en) | 2021-12-23 | 2021-12-23 | Elevator door safety protection device and elevator door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216583708U (en) |
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2021
- 2021-12-23 CN CN202123271565.8U patent/CN216583708U/en active Active
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