CN210366558U - Device for preventing hands from being clamped by children at elevator door gap - Google Patents
Device for preventing hands from being clamped by children at elevator door gap Download PDFInfo
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- CN210366558U CN210366558U CN201921493015.0U CN201921493015U CN210366558U CN 210366558 U CN210366558 U CN 210366558U CN 201921493015 U CN201921493015 U CN 201921493015U CN 210366558 U CN210366558 U CN 210366558U
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- linear bearing
- spring
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Abstract
The utility model discloses a child hand clamping prevention device for elevator door seams, which comprises a spring, a linear bearing, a snap ring, a stainless steel shaft core, a plastic seat, a stainless steel pressing strip, a stainless steel touch pad and a crank arm inner plate, wherein the plastic seat is arranged on the rear side plate of the crank arm inner plate in three and equal intervals, the linear bearing passes through a through hole at the upper end of the plastic seat, the outer cambered surface of the linear bearing is fixedly connected with the plastic seat through the snap ring, the stainless steel shaft core is arranged in the linear bearing, the lower end of the spring is fixedly connected with the upper end of the linear bearing, the stainless steel touch pad is respectively fixedly connected with the upper ends of the three springs, the stainless steel shaft core passes through the inner part of the spring, the top end of the stainless steel shaft core is fixedly connected with the lower surface of the stainless steel touch pad, the child hand clamping prevention device for elevator door seams can control the elevator to stop when in touch, and adopts a double, one more protection is provided for human body injury.
Description
Technical Field
The utility model relates to an elevator technical field specifically is a children's tong device is prevented to elevator crack.
Background
The lift-cabin door and the safety standard clearance of turning between the wall must be not greater than 6mm the biggest, because of different errors such as production, installation and mechanical motion, minimum installation also is not less than 4mm clearance, and with 4mm to 6mm clearance, it is fragile to consider that children's finger is thin, little, soft finger, and the speed is very fast when the car door is opened, and children's hand is easily pulled by the sedan-chair door to lead to the fact unnecessary injury to children, among the prior art: the patent of the grant publication No. CN208631895U discloses and relates to a hand clamping prevention device of an elevator, which comprises a door frame fixed on an elevator door, wherein a fixed frame is fixed on the inner side of the door frame on the side wall of the elevator door, the section of the fixed frame is Contraband type, a vertically arranged rotating shaft is assembled in the fixed frame, a roller which is in rolling contact with the surface of a hoistway door is coaxially fixed on the rotating shaft, a roller which is axially and vertically arranged is assembled in the fixed frame, the peripheral wall of the roller is tangent to the hoistway door of the elevator, the rotating shaft drives the roller to reversely rotate through a gear, the hand clamping injury is avoided to a certain extent, but the elevator can not be controlled to stop, if a human hand extends into a longer distance, two driving rollers reversely move simultaneously, the protection function can not be achieved, the elevator door can not be automatically opened, certain potential safety hazard exists, strengthen the safety protection measure of elevator, improve the safety protection grade, I company has installed one set of elevator door crack children anti-pinch device for this reason additional.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide elevator crack and prevent children tong device, can control the elevator during touching and stop, adopt the dual fail-safe anti-pinch device of mechanical touching and electronic touch, to human injury one more protection shut, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the device comprises an elevator door seam hand-clamping prevention device, a stainless steel touch panel and a crank arm inner plate;
a crank arm inner plate: the rear side plate of the crank arm inner plate is provided with three plastic seats at equal intervals, the upper end of each plastic seat is provided with a linear bearing, the outer arc surface of each linear bearing is fixedly connected with the corresponding plastic seat through a clamping ring, a stainless steel shaft core is arranged inside each linear bearing, the upper end of each linear bearing is provided with a spring, and each stainless steel shaft core penetrates through the inside of each spring;
stainless steel touch panel: the stainless steel touch pad is respectively and fixedly connected with the upper ends of the three springs, the lower surface of the stainless steel touch pad is fixedly connected with the top end of the stainless steel shaft core, and the output end of the stainless steel touch pad is electrically connected with the input end of an external control system. When a hand touches the stainless steel touch pad, the touch signal is received by the control system and a control signal is output to control the elevator door to stop, a warning function is realized in advance, the hand is prevented from being clamped, when the hand is dragged into a torsion force larger than 3N of a door gap when the elevator is opened, the stainless steel pressing strip overcomes the elastic force of a spring to press the microswitch, at the moment, the microswitch acts to convey a signal to the system to input, the system controls the elevator door to be opened, and a mechanical touch and electronic touch double-safety hand-clamping prevention device is adopted to increase a protection switch for human body injury.
Further, still include micro-gap switch and stainless steel according to the layering, stainless steel is according to layering fixed connection in the upper end rear side of stainless steel touch pad, micro-gap switch fixed connection is in the front side of plastic seat, the lower surface of stainless steel touch pad and micro-gap switch's upper end contact, micro-gap switch's output is connected with external control system's input electricity, adopts mechanical control's mode to prevent that people's hand from excessively pressing from both sides the wound.
Compared with the prior art, the beneficial effects of the utility model are that: this children tong device is prevented to elevator crack has following benefit:
1. when a hand touches the stainless steel touch pad, the touch signal is received by the control system and a control signal is output to control the elevator door to stop, thereby playing a role of warning in advance and preventing the hand from being clamped.
2. When the hand is dragged into the door gap by the elevator to be larger than the 3N torsion force when the door is opened, the stainless steel pressing strip overcomes the elastic force of the spring to press the microswitch, at the moment, the microswitch acts to convey a signal to the system to input, the system controls the opening of the elevator door, and the double-safety hand-clamping prevention device adopting mechanical touch and electronic touch has one more protection switch for human body injury.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
fig. 4 is a schematic diagram of the circuit structure of the present invention.
In the figure: the device comprises a spring 1, a linear bearing 2, a snap ring 3, a stainless steel shaft core 4, a plastic seat 5, a microswitch 6, a stainless steel pressing strip 7, a stainless steel touch pad 8 and a crank arm inner plate 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the device for preventing the hands of the children from being clamped in the elevator door gap comprises a stainless steel touch plate 8 and a crank arm inner plate 9;
crank arm inner plate 9: the rear side plate of the crank arm inner plate 9 is provided with three plastic seats 5 at equal intervals, the upper end of each plastic seat 5 is provided with a linear bearing 2, the outer arc surface of each linear bearing 2 is fixedly connected with the corresponding plastic seat 5 through a clamping ring 3, a stainless steel shaft core 4 is arranged inside each linear bearing 2, a spring 1 is arranged at the upper end of each linear bearing 2, and each stainless steel shaft core 4 penetrates through the corresponding spring 1;
stainless steel touch panel 8: the stainless steel touch pad 8 is respectively and fixedly connected with the upper ends of the three springs 1, the lower surface of the stainless steel touch pad 8 is fixedly connected with the top end of the stainless steel shaft core 4, the output end of the stainless steel touch pad 8 is electrically connected with the input end of an external control system, and when a hand touches the stainless steel touch pad 8, a touch signal is received by the control system and outputs a control signal to control the elevator door to stop.
The elevator door opening control device is characterized by further comprising a microswitch 6 and a stainless steel pressing strip 7, wherein the stainless steel pressing strip 7 is fixedly connected to the rear side of the upper end of a stainless steel touch pad 8, the microswitch 6 is fixedly connected to the front side of the plastic seat 5, the lower surface of the stainless steel touch pad 8 is in contact with the upper end of the microswitch 6, the output end of the microswitch 6 is electrically connected with the input end of an external control system, when a hand is dragged into a door gap by an elevator to be larger than 3N torsion, the microswitch 6 is pressed by the stainless steel pressing strip 7 against the elastic force of the spring 1, the microswitch 6 acts at the moment, a signal is input to the system, and the elevator door is controlled to be opened.
When in use: when a hand touches the stainless steel touch pad 8, the touch signal is received by the control system and a control signal is output to control the elevator door to stop, when the hand is pulled into a torsion force with a door gap larger than 3N when the elevator door is opened, the stainless steel pressing strip 7 overcomes the elastic force of the spring 1 to press the microswitch 6, at the moment, the microswitch 6 acts and transmits a signal to the system to control the elevator door to be opened, when the elevator door stops, the elevator safety system can prompt 'elevator failure' through voice, and when the door is closed again, the control is released, so that the elevator recovers to normal operation.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (2)
1. Elevator crack prevents children tong device, its characterized in that: a stainless steel touch pad (8) and a crank arm inner plate (9);
crank inner plate (9): three plastic seats (5) are arranged on a rear side plate of the crank arm inner plate (9) at equal intervals, a linear bearing (2) is arranged at the upper end of each plastic seat (5), the outer arc surface of each linear bearing (2) is fixedly connected with the corresponding plastic seat (5) through a clamping ring (3), a stainless steel shaft core (4) is arranged inside each linear bearing (2), a spring (1) is arranged at the upper end of each linear bearing (2), and each stainless steel shaft core (4) penetrates through the corresponding spring (1);
stainless steel touch panel (8): stainless steel touch pad (8) respectively with the upper end fixed connection of three spring (1), the lower surface of stainless steel touch pad (8) and the top fixed connection of stainless steel axle core (4), the output of stainless steel touch pad (8) is connected with external control system's input electricity.
2. The elevator door seam child-resistant grip device of claim 1, wherein: still include micro-gap switch (6) and stainless steel according to layering (7), stainless steel is according to layering (7) fixed connection in the upper end rear side of stainless steel touch pad (8), micro-gap switch (6) fixed connection is in the front side of plastics seat (5), the lower surface of stainless steel touch pad (8) and the upper end contact of micro-gap switch (6), the output and the input electricity of external control system of micro-gap switch (6) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493015.0U CN210366558U (en) | 2019-09-09 | 2019-09-09 | Device for preventing hands from being clamped by children at elevator door gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493015.0U CN210366558U (en) | 2019-09-09 | 2019-09-09 | Device for preventing hands from being clamped by children at elevator door gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210366558U true CN210366558U (en) | 2020-04-21 |
Family
ID=70254542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921493015.0U Active CN210366558U (en) | 2019-09-09 | 2019-09-09 | Device for preventing hands from being clamped by children at elevator door gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210366558U (en) |
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2019
- 2019-09-09 CN CN201921493015.0U patent/CN210366558U/en active Active
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