CN211444663U - Hand clamping prevention system for elevator car - Google Patents
Hand clamping prevention system for elevator car Download PDFInfo
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- CN211444663U CN211444663U CN202020014903.6U CN202020014903U CN211444663U CN 211444663 U CN211444663 U CN 211444663U CN 202020014903 U CN202020014903 U CN 202020014903U CN 211444663 U CN211444663 U CN 211444663U
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Abstract
The utility model discloses a hand clamping prevention system for an elevator car, which belongs to the technical field of elevator protection devices, the hand clamping prevention system comprises a measuring light curtain system, the measuring light curtain system is connected with an elevator controller and is arranged at the gap between the front wall of the elevator car and an elevator car door, the measuring light curtain system comprises a plurality of groups of light emitters and receivers, the light emitters and the receivers are arranged along the vertical direction, the light emitters are fixed on the end surface of the front wall of the elevator car towards one side of the center of the elevator car door, the elevator car door is of a hollow structure, the receivers are positioned in the inner cavity of the elevator car door and are fixedly connected to the front wall of the elevator car through a bracket, an open slot is arranged at the inner side of the elevator car door corresponding to each group of light emitters and receivers, the car is horizontally arranged and extends to the other end along one end of the center of the, a transparent adhesive tape is fixedly arranged in the open slot. The utility model discloses the device can prevent the tong effectively at the elevator sedan-chair door at the in-process of closing of opening, and protection range is big, and sensitivity is high.
Description
Technical Field
The utility model belongs to the technical field of the elevator protection device, concretely relates to hand system is prevented pressing from both sides by elevator car.
Background
The elevator door machine is a mechanism for opening and closing elevator car door, when it is received the elevator and opened or closed the door signal, the elevator door machine controls the door opening motor through the control system of its own, changes the moment produced by the motor into the force of a specific direction, closes or opens the door. When the door closing stopping force is larger than 150N, the door machine automatically stops closing the door and reversely opens the door, and the door closing protection effect is achieved to a certain degree. The traditional elevator door and the elevator front wall have a gap and a certain deformation quantity, so that the hands of children are clamped in the door opening process, the invention patent application with the publication number of CN 110329885A discloses an elevator door anti-pinch device, but the protection range of the anti-pinch device is limited, the safety requirements of the existing elevator cannot be met, and the device adopts a pure mechanical structure, so that the triggering sensitivity of the protection device is low, and faults are easy to occur.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an anti-pinch system of elevator car can prevent the tong effectively at the elevator sedan-chair door and closing the in-process opening, and protection scope is big, and sensitivity is high.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model relates to an anti-pinch system for an elevator car, the elevator car comprises an elevator car front wall and an elevator car door, the anti-pinch system comprises a measuring light curtain system, the measuring light curtain system is connected with an elevator controller and is arranged at the gap between the elevator car front wall and the elevator car door, the measuring light curtain system comprises a plurality of groups of light emitters and receivers, the light emitters and the receivers are arranged along the vertical direction, the light emitters are fixed on the end surface of the elevator car front wall towards one side of the center of the elevator car door, the elevator car door is of a hollow structure, the receivers are positioned in the inner cavity of the elevator car door and are fixedly connected to the elevator car front wall through a bracket, the receivers are arranged at intervals with the center end surface of the elevator car door, through holes for the bracket abdicating are arranged on the elevator car door, an open slot is arranged on the inner side of the elevator car door corresponding to each group of light emitters and receivers, the open slot is horizontally arranged and extends towards the other end along one end of the center of the elevator car door, and a transparent adhesive tape is fixedly arranged in the open slot.
Further, the support is a telescopic support, a button switch is arranged at one end, away from the receiver, of the support, the elevator car door is opened, and the button switch controls the power supply of the light emitter to be disconnected.
Furthermore, the distance between the receiver and the central end face of the elevator car door is 2-10 mm.
Furthermore, a fixing groove for fixing the light emitter is formed in the end face of the front wall of the elevator car, facing the center of the elevator car door, on one side of the front wall of the elevator car.
Furthermore, the lateral wall of open slot has seted up concave groove, the both sides correspondence of transparent adhesive tape is provided with the bead that the concave groove corresponds.
Furthermore, a limiting seat is integrally formed on the end face of the transparent rubber strip, which faces to one side of the center of the elevator car door.
Further, a guide block is arranged between the support and the inner wall of the elevator car door, and guide block limiting parts used for limiting the guide block are arranged on the inner walls of the two sides of the elevator car door.
Furthermore, the guide block is a rectangular block, the guide block limiting part comprises a first angle steel and a second angle steel which are arranged in parallel, and right angles of the first angle steel and the second angle steel form an installation space for installing the guide block relatively.
Further, the guide block is made of rubber materials.
The beneficial effects of the utility model reside in that: the utility model discloses the tong system is prevented to elevator car, it is in to measure light curtain system and elevator controller and be connected and set up clearance department between elevator car antetheca and the elevator sedan-chair door, through the detection of light curtain, come to protect passenger's personal safety, and protection range is bigger, and sensitivity is high. The illuminator is fixed on the terminal surface of elevator sedan-chair antetheca towards elevator sedan-chair door center one side, the receiver is located the inner chamber of elevator sedan-chair door and through a support fixed connection to the elevator sedan-chair antetheca to let guarantee between illuminator and the receiver can not remove relatively, consequently the receiver can receive the signal at any time, and does not receive the influence that elevator sedan-chair door removed. An open slot is formed in the inner side of the elevator car door corresponding to each group of the light emitter and the receiver and used for transmitting light, the open slot is horizontally arranged and extends towards the other end along one end of the center of the elevator car door, and a transparent adhesive tape is fixedly arranged in the open slot, can be used for supporting the structure of the elevator car door and can also be used for protecting sealing.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view taken along line C-C of FIG. 1;
FIG. 3 is a schematic structural view of the transparent adhesive tape of the present invention;
fig. 4 is a schematic structural view of the bracket of the present invention;
FIG. 5 is a partial cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of the mounting of the bracket;
FIG. 7 is an enlarged view of FIG. 6 at A;
fig. 8 is an enlarged view of fig. 6 at B.
The drawings are numbered as follows: the elevator car door support comprises a support body 1, a long rod 2, an inner rod 21, a loop bar 22, an elastic recovery device 23, a short rod 3, an elevator front wall installation part 4, a button switch installation part 5, a receiver installation part 6, a ribbed plate 7, a button through hole 8, a wiring hole 9, a guide block installation part 10, an elevator car front wall 11, an elevator car door 12, a button 13, a guide block 14, a light emitter 15, a receiver 16, a through hole 17, an open slot 18, a transparent adhesive tape 19, a convex rib 20, a guide block limiting part 24 and a limiting seat 25.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Fig. 1 is the structure schematic diagram of the present invention, fig. 2 is the structure schematic diagram of fig. 1 along C-C to the view, fig. 3 is the structure schematic diagram of the transparent adhesive tape of the present invention, fig. 4 is the structure schematic diagram of the bracket of the present invention, fig. 5 is the partial cross-sectional view of fig. 4, fig. 6 is the installation schematic diagram of the bracket, fig. 7 is the enlarged view of fig. 6 in a, and fig. 8 is the enlarged view of fig. 6 in B. The utility model relates to a hand system is prevented pressing from both sides by elevator car, elevator car includes elevator car antetheca 11 and elevator sedan-chair door 12, prevent pressing from both sides the hand system including measuring the light curtain system, it is connected and sets up with the elevator controller to measure the light curtain system clearance department between elevator car antetheca 11 and the elevator sedan-chair door 12, it includes a plurality of groups illuminator 15 and receiver 16 to measure the light curtain system, and a plurality of groups illuminator 15 and receiver 16 set up along vertical direction, and wherein the light curtain adopts PTM to measure the light curtain, and it is prior art, and it comprises mated photoelectricity illuminator 15 and receiver 16, fixes illuminator 15 on the terminal surface at elevator antetheca 11 orientation elevator sedan-chair door 12 centers. The illuminator 15 of the measurement light curtain sends out the infrared light signal, receive by the light receiver 16 directly, form the protection light curtain, in a scanning mode, cooperate with controller and software, realize the function of detecting and measuring the overall dimension of the object. After the transmitter and the receiver 16 are powered on, infrared light emitted by the transmitter is directly emitted to the receiver 16 to form a light curtain system, if fingers of children are placed (or run) in the formed light curtain system, a part of infrared light can be blocked, so that the corresponding receiver 16 cannot receive corresponding signals, an alarm is triggered, the light curtain is connected with a control device of the elevator car door 12, the elevator car door 12 is prevented from continuing to work, and further danger is prevented. One light emitter 15 channel emits a light pulse and the corresponding light receiver simultaneously searches for the pulse, and when the pulse is found, the scanning of one channel is completed, and then the channel is turned to the next channel until all the scanning is completed. When one period of scanning is finished, the system records which channels are light-on and which channels are shielded, and outputs a signal according to the system definition, wherein the signal can be an analog quantity signal, a switching value signal or an RS485 communication signal. The working principle of the specific light curtain belongs to the prior art, and is not described herein again. Through the detection of light curtain, come to protect passenger's personal safety, the protection zone is bigger, and sensitivity is high.
In this embodiment, illuminator 15 is fixed on the terminal surface of elevator car antetheca 11 towards elevator car door 12 center one side, elevator car door 12 is hollow structure, receiver 16 is located the inner chamber of elevator car door 12 and through a support fixed connection to elevator car antetheca 11, receiver 16 and the setting of being separated by of elevator car door 12 center terminal surface, offer on the elevator car door 12 and be used for the through-hole 17 that the support abdicates, correspond each group illuminator 15 and receiver 16 and seted up an open slot 18 in the inboard of elevator car door 12, open slot 18 level sets up and extends to the other end along elevator car door 12 center one end, open slot 18 internal stability has a transparent adhesive tape 19. The illuminator 15 is fixed on the terminal surface of elevator sedan-chair antetheca 11 towards elevator sedan-chair door 12 center one side, the receiver 16 is located the inner chamber of elevator sedan-chair door 12 just through a support fixed connection to elevator sedan-chair antetheca 11 to let and guarantee relatively not moving between illuminator 15 and the receiver 16, consequently the receiver 16 can receive the signal at any time, and does not receive the influence that elevator sedan-chair door 12 removed. An open slot 18 is formed in the inner side of the elevator car door 12 corresponding to each group of the light emitter 15 and the receiver 16 and used for transmitting light, the open slot 18 is horizontally arranged and extends towards the other end along one end of the center of the elevator car door 12, and a transparent adhesive tape 19 is fixedly arranged in the open slot 18 and can be used for supporting the structure of the elevator car door 12 and protecting sealing.
In this embodiment, the support is a telescopic support, a button switch is arranged at one end of the support, which is far away from the receiver 16, the elevator car door 12 is opened, and the button switch controls the power supply of the light emitter 15 to be disconnected. The concrete structure of support is as shown in the figure, including support body 1, support body 1 is formed by a stock 2 and 3 fixed links to each other of quarter butt, 2 one end of quarter butt 3 is kept away from stock has set firmly elevator antetheca installation department 4 for it is fixed with 11 installation of elevator antetheca, 3 one sides of quarter butt 2 is close to the quarter butt have set firmly button switch installation department 5 for the installation is used for controlling the button switch of light curtain, 3 one ends of quarter butt are kept away from to stock 2 have set firmly receiver installation department 6, are used for the receiver 16 of fixed light curtain, interior pole 21 with 3 fixed connection of quarter butt, loop bar 22 cover is located the interior pole 21 outside, elasticity resumes device 23 sets up between interior pole 21 and the loop bar 22. After the installation is finished, the light emitter 15 of the light curtain is fixed on the end face, facing the center of the elevator car door 12, of the elevator front wall 11, the receiver 16 is located in the inner space of the elevator car door 12, when the elevator car door 12 is in a normal closed state, the distance between the receiver 16 and the center end face of the elevator car door 12 is 2-10 mm, and the emitting position of the generator is located on the end face of the center of the elevator car door 12. After the receiver 16 is fixed by the support, in the process of gradually opening the elevator car door 12, the receiver 16 is fixed relative to the elevator front wall 11, but is moved relative to the elevator car door 12, so that the signal can be received between the light emitter 15 and the receiver 16 at any time, when the elevator car door 12 is about to be completely opened, in order to prevent the interference of the elevator car door 12, the loop bar 22 is abutted by the elevator car door 12 to drive inward contraction, meanwhile, the end face of the elevator car door 12 just triggers a button switch for controlling the light curtain, the light curtain is closed, and false alarm is prevented.
In this embodiment, a fixing groove for fixing the light emitter 15 is formed on an end surface of the front wall 11 of the elevator car facing the center of the elevator car door 12. May be used to mount and protect the light emitter 15 from the light emitter 15 being exposed to the outside, although the light emitting side of the light emitter 15 must be directed to the outside.
In this embodiment, a concave groove has been seted up to the lateral wall of open slot 18, the both sides correspondence of transparent adhesive tape 19 be provided with the bead 20 that the concave groove corresponds, can be so that the lock degree between transparent adhesive tape 19 and the open slot 18 is inseparabler, increases the stability of structure.
In this embodiment, integrated into one piece has a spacing 25 on the terminal surface of transparent adhesive tape 19 towards elevator sedan-chair door 12 center one side, and spacing 25 is used for driving receiver 16 to inwards contract when elevator sedan-chair door 12 is about to open completely, with transparent adhesive tape 19 integrated into one piece, easy to assemble.
In this embodiment, a guide block 14 is disposed between the support and the inner wall of the elevator car door 12, and guide block limiting portions 24 for limiting the guide block 14 are disposed on the inner walls of the two sides of the elevator car door 12. The guide block 14 is a rectangular block, the guide block limiting part 24 comprises a first angle steel and a second angle steel which are arranged in parallel, and right angles of the first angle steel and the second angle steel form an installation space for installing the guide block 14 relatively. The outside of loop bar 22 has set firmly guide block installation department 10, guide block installation department 10 is for setting firmly the mounting groove in the loop bar 22 outside, the mounting groove is the U type, and its U type opening deviates from loop bar 22, guide block 14 adopt the rubber block, install in the mounting groove, the inner wall contact of its outside and elevator sedan-chair door 12 for stock 2 leads, increases the transmission stability of structure.
In this embodiment, the elastic recovery device 23 is a spring, one end of the spring is fixedly connected to the inner rod 21, and the other end of the spring is fixedly connected to the bottom of the loop bar 22. Through setting up the spring in the inside of loop bar 22, interior pole 21 and loop bar 22 both can relative movement to realized the flexible of stock 2, saved the space. Receiver installation department 6 is first mounting panel, first mounting panel sets firmly the outer end of loop bar 22, offer on the first mounting panel and be used for the installation receiver 16's mounting hole. The elevator front wall installation part 4 is a second installation plate, the second installation plate is fixedly arranged at the outer end of the short rod 3, the installation hole of the elevator front wall 11 is formed in the second installation plate, the second installation plate is fixed on the elevator front wall 11 through a bolt, and the elevator front wall installation part is stable in fixation, easy to detach and convenient to maintain. The second mounting panel with set firmly between the quarter butt 3 has ribbed slab 7, has increased the stability between quarter butt 3 and stock 2. Button switch installation department 5 is for setting up hollow tube section on interior pole 21, the outer wall of hollow tube section is offered and is used for button 13 via hole 8 and wiring hole 9, and button switch belongs to prior art, and its two joints concatenate illuminator 15 and power, and during normal condition, two joints contact with the touch panel of button 13, when elevator sedan-chair door 12 was opened, because receiver 16 will be along with the elevator door together withdrawal, elevator sedan-chair door 12 touch button switch, button switch will touch panel and joint separation, has disconnected illuminator 15, makes its outage of not working, closes the light curtain, prevents to produce the wrong report of police because receiver 16 can not receive the signal.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an anti-pinch system of elevator car, elevator car includes elevator car antetheca and elevator sedan-chair door, its characterized in that: the anti-pinch system comprises a measuring light curtain system, the measuring light curtain system is connected with an elevator controller and is arranged at a gap between the front wall of the elevator car and the elevator car door, the measuring light curtain system comprises a plurality of groups of light emitters and receivers, the light emitters and the receivers are arranged along the vertical direction, the light emitters are fixed on the end surface of the front wall of the elevator car, which faces one side of the center of the elevator car door, the elevator car door is of a hollow structure, the receivers are positioned in the inner cavity of the elevator car door and are fixedly connected to the front wall of the elevator car through a support, the receivers are arranged at intervals with the center end surface of the elevator car door, through holes for support abdicating are formed in the elevator car door, an open slot is formed in the inner side of the elevator car door corresponding to each group of light emitters and receivers, the open slot is horizontally arranged and extends to the other end along one end, a transparent adhesive tape is fixedly arranged in the open slot.
2. The elevator car pinch protection system of claim 1, wherein: the support is a telescopic support, a button switch is arranged at one end, far away from the receiver, of the support, the elevator car door is opened, and the button switch controls the power supply of the light emitter to be disconnected.
3. The elevator car pinch protection system of claim 1, wherein: the distance between the receiver and the central end face of the elevator car door is 2-10 mm.
4. The elevator car pinch protection system of claim 1, wherein: and a fixing groove for fixing the light emitter is formed in the end face of the front wall of the elevator car, which faces one side of the center of the elevator car door.
5. The elevator car pinch protection system of claim 2, wherein: the side wall of the open slot is provided with a concave slot, and the two sides of the transparent adhesive tape are correspondingly provided with a convex edge corresponding to the concave slot.
6. The elevator car pinch protection system of claim 5, wherein: the transparent adhesive tape is provided with a limiting seat integrally formed on the end surface of one side of the elevator car door center.
7. The elevator car pinch protection system of any of claims 1-6, wherein: be provided with the guide block between the inner wall of support and elevator sedan-chair door, all set up on the both sides inner wall of elevator sedan-chair door and be used for the spacing portion of guide block.
8. The elevator car pinch protection system of claim 7, wherein: the guide block is a rectangular block, the guide block limiting part comprises first angle steel and second angle steel which are arranged in parallel, and right angles of the first angle steel and the second angle steel are opposite to form an installation space for installing the guide block.
9. The elevator car pinch protection system of claim 8, wherein: the guide block is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020014903.6U CN211444663U (en) | 2020-01-06 | 2020-01-06 | Hand clamping prevention system for elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020014903.6U CN211444663U (en) | 2020-01-06 | 2020-01-06 | Hand clamping prevention system for elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211444663U true CN211444663U (en) | 2020-09-08 |
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ID=72321057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020014903.6U Active CN211444663U (en) | 2020-01-06 | 2020-01-06 | Hand clamping prevention system for elevator car |
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| Country | Link |
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| CN (1) | CN211444663U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960523A (en) * | 2021-02-01 | 2021-06-15 | 宁波职业技术学院 | Three-dimensional detection elevator light curtain device |
| CN113213318A (en) * | 2021-06-10 | 2021-08-06 | 山东埃森电梯有限公司 | Anti-shearing protection device for longitudinal double-mode elevator door |
| CN113741320A (en) * | 2021-11-05 | 2021-12-03 | 深圳市迈睿迈特环境科技有限公司 | Motor safety control device and system |
-
2020
- 2020-01-06 CN CN202020014903.6U patent/CN211444663U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960523A (en) * | 2021-02-01 | 2021-06-15 | 宁波职业技术学院 | Three-dimensional detection elevator light curtain device |
| CN112960523B (en) * | 2021-02-01 | 2022-11-04 | 宁波职业技术学院 | Three-dimensional detection elevator light curtain device |
| CN113213318A (en) * | 2021-06-10 | 2021-08-06 | 山东埃森电梯有限公司 | Anti-shearing protection device for longitudinal double-mode elevator door |
| CN113741320A (en) * | 2021-11-05 | 2021-12-03 | 深圳市迈睿迈特环境科技有限公司 | Motor safety control device and system |
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Address after: 400020 Xipu Building, 16 Jianxin South Road, Jiangbei District, Chongqing, 10 stories, 6 and 8 Patentee after: Gaochi International Design Co., Ltd Address before: 400020 Xipu Building, 16 Jianxin South Road, Jiangbei District, Chongqing, 10 stories, 6 and 8 Patentee before: CHONGQING JINKE ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE Co.,Ltd. |