Elevator door opening anti-pinch device

Abstract

The utility model relates to the technical field of elevator door opening anti-pinch, in particular to an elevator door opening anti-pinch device which comprises an elevator car door body, a side clamping frame is arranged on the right side of the elevator car door body, a side clamping plate is fixedly connected to the right side of the front end of the side clamping frame, and a cleaning sweeper is arranged right in front of the side clamping plate. According to the elevator door opening anti-pinch device, through the arrangement of the steering support, the cleaning sweeping brush, the auxiliary support, the sliding groove, the sliding plate, the sliding block, the guide rod and the spring, the elevator door opening anti-pinch device can be conveniently used on a building construction site, the light curtain body can be used for sensing the light curtain body, and the anti-pinch effect of the elevator door opening anti-pinch device is improved. And when the problem that people are clamped when the elevator is opened and closed is prevented, the whole device can cooperate with constructors to conveniently and rapidly clean the surface of the light curtain body through the auxiliary cleaning structure aiming at dust attached to the surface of the light curtain body, and the situation that dust remains all the time and influences operation of the light curtain body is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator door opening anti-pinch technology, in particular to an elevator door opening anti-pinch device. Background Art

[0002] When using an elevator safely, the elevator door opening anti-pinch device is one of the key components to ensure elevator safety. It is usually installed in the elevator car door, floor door and emergency door to ensure that the elevator can effectively avoid the occurrence of accidents of people being pinched in various states, further improving the safety of the elevator during operation.

[0003] When using the existing elevator door opening anti-pinch device in a construction environment, anti-pinch protection is generally achieved mainly through the infrared sensing of the light curtain. However, considering that in some cases, the device will be used in a construction environment, the dust generated during the construction process will spread everywhere, which will cause dust to easily adhere to the surface of the elevator light curtain, which may cause the light of the light curtain to be blocked, and the sensitivity of the obstacle detection sensing to be reduced, causing the elevator door to be unable to close, affecting the safe operation and use of the elevator. Therefore, an elevator door opening anti-pinch device is proposed to address the above problems. Utility Model Content

[0004] The purpose of the present invention is to provide an elevator door opening anti-pinch device to solve the problem raised in the above background technology that when the existing elevator door opening anti-pinch device is used in a construction environment, dust is not cleaned in time, which will affect the subsequent use of the device.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An elevator door opening anti-pinch device includes an elevator car door body, a side card frame is provided on the right side of the elevator car door body, a side card plate is fixedly connected to the right side of the front end of the side card frame, a cleaning brush is provided in front of the side card plate, a steering bracket is fixedly connected to the right side of the cleaning brush, a slide groove is provided on the right side of the side card frame, a slide plate is slidably connected to the inner side of the slide groove, a slider is fixedly connected to the rear end of the slide plate, a guide rod is inserted in the middle of the slider, the outer sleeve of the guide rod is provided with a spring arranged inside the slide groove, and the bottom of the steering bracket is fixedly connected to an auxiliary bracket.

[0007] Preferably, the elevator door body and the side clamping plate are arranged in parallel, and the light curtain body is clamped in the gap between the side clamping plate and the elevator door body.

[0008] Preferably, the upper and lower ends of the card frame are respectively fixedly connected with limiting buckle plates, and the limiting buckle plates and the elevator door body are detachably connected by bolts.

[0009] Preferably, the connection between the steering bracket, the cleaning brush and the slide plate constitutes an "F"-shaped structure, the connection between the slide plate and the slider constitutes a "T"-shaped structure, the slider sliding connection is arranged inside the slide groove, and the steering bracket is arranged on the right side of the side card.

[0010] Preferably, the spring is fixedly connected to the upper and lower sliders respectively, the brush surface of the cleaning brush is arranged in contact with the outer shell surface of the light curtain body, the auxiliary bracket has a "U"-shaped structure, and the right side surface of the side clamping plate is provided with a row of circular hole groove structures arranged from top to bottom, and the guide rod is fixedly installed inside the slide groove.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] In the utility model, the steering bracket, cleaning brush, auxiliary bracket, chute, slide plate, slider, guide rod and spring are provided, which facilitates the elevator door opening anti-pinch device to be able to use the sensing effect of the light curtain body at the construction site to prevent the problem of people being pinched when the door is opened and closed when the elevator is opened. For dust adhering to the surface of the light curtain body, the entire device can cooperate with construction personnel to quickly and conveniently clean the surface of the light curtain body through the auxiliary cleaning structure composed of the steering bracket, cleaning brush, auxiliary bracket, chute, slide plate, slider, guide rod and spring, to prevent dust from remaining and affecting the operation of the light curtain body. In addition, the dust is quickly cleaned, which is also conducive to the subsequent normal use of the light curtain body for high-sensitivity sensing protection operation, avoiding the problem of light failure during actual operation of the elevator. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the side card frame of the utility model;

[0015] Figure 3 This is a schematic diagram of the auxiliary bracket structure of the utility model.

[0016] In the figure: 1. Elevator door body; 2. Side card frame; 3. Side card plate; 4. Steering bracket; 5. Cleaning brush; 6. Auxiliary bracket; 7. Slide groove; 8. Slide plate; 9. Slider; 10. Guide rod; 11. Spring; 12. Limiting plate; 13. Light curtain body. DETAILED DESCRIPTION

[0017] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-3 , the utility model provides a technical solution:

[0019] An elevator door opening anti-pinch device includes an elevator car door body 1, a side card frame 2 is provided on the right side of the elevator car door body 1, a side card plate 3 is fixedly connected to the right side of the front end of the side card frame 2, a cleaning brush 5 is provided in front of the side card plate 3, a steering bracket 4 is fixedly connected to the right side of the cleaning brush 5, a slide groove 7 is provided on the right side of the side card frame 2, a slide plate 8 is slidably connected to the inner side of the slide groove 7, a slider 9 is fixedly connected to the rear end of the slider 8, a guide rod 10 is inserted in the middle of the slider 9, and the outer sleeve of the guide rod 10 is provided with a spring 11 arranged inside the slide groove 7, and the bottom of the steering bracket 4 is fixedly connected to the auxiliary bracket 6.

[0020] like Figure 1 and Figure 2 As shown, the elevator door body 1 and the side card plate 3 are arranged in parallel, and the light curtain body 13 is clamped in the gap between the side card plate 3 and the elevator door body 1. The space reserved between the side card plate 3 and the elevator door body 1 facilitates the subsequent quick clamping of the light curtain body 13.

[0021] like Figure 1 、 Figure 2 and Figure 3 As shown, the upper and lower ends of the side card frame 2 are respectively fixedly connected with a limiting buckle plate 12, and the limiting buckle plate 12 and the elevator car door body 1 are detachably connected by bolts. The connection between the limiting buckle plate 12 and the elevator car door body 1 can enable the side card frame 2 to be quickly installed on one side end face of the elevator car door body 1; the connection between the steering bracket 4, the cleaning brush 5 and the slide plate 8 constitutes an "F" type structure setting, and the connection between the slide plate 8 and the slider 9 constitutes a "T" type structure setting. The slider 9 is slidably connected and arranged inside the slide groove 7, and the steering bracket 4 is arranged on the side card plate 3, the sliding connection between the slide plate 8 and the slide groove 7 will provide a guiding auxiliary effect when the steering bracket 4 moves up and down; the spring 11 is fixedly connected to the upper and lower sliders 9 respectively, and the brush surface of the cleaning brush 5 is set in contact with the outer shell surface of the light curtain body 13. The auxiliary bracket 6 has a "U"-shaped structure, and a row of circular hole groove structures arranged from top to bottom are provided on the right side surface of the side clamping plate 3. The guide rod 10 is fixedly installed inside the slide groove 7, and the setting of the spring 11 will help the slider 9 to achieve rebound reset.

[0022] Working process: The electric energy required for the startup and operation of the device in the present invention comes from the elevator power supply system. The light curtain body 13 is pre-touched against the side of the elevator door body 1 and is clamped between the elevator door body 1 and the steering bracket 4. The light curtain body 13 is connected to the elevator main control system through the matching wiring. When the elevator door opening anti-pinch device is needed for on-site operation in the building, as the elevator reaches the designated stairs, the two elevator door bodies 1 and the two floor doors are opened at the same time to allow passengers to enter the elevator. At this time, the light curtain body 13 in the powered-on state will emit an infrared sensing beam between the two elevator door bodies 1 to sense and monitor whether there is an obstacle when the elevator door body 1 is closed, so as to prevent passengers from being easily pinched when riding the elevator. After completing the construction work for the day, the light curtain body 13 needs to be cleaned When cleaning the surface of the light curtain body 13, first screw the limiting bolts of the auxiliary bracket 6 outward to separate the auxiliary bracket 6 from the side card plate 3, and then, under the connection and limitation of the slide groove 7 and the guide rod 10, the auxiliary bracket 6 is stretched from top to bottom with the steering bracket 4, the cleaning brush 5, the slide plate 8 and the slider 9, so that the cleaning brush 5 can quickly clean the dust originally adhering to the surface of the light curtain body 13 through the close contact between the end faces. At the same time, after completing the use operation of the upper cleaning component, you can refer to the same method as above to operate the lower cleaning structure to clean the surface of the light curtain body 13 from bottom to top, cooperate with the construction personnel to quickly complete the cleaning work, and finally reset the cleaning component to its original starting position, screw the limiting bolts outward to tighten the auxiliary bracket 6 to prevent the cleaning component from sliding freely and affecting the normal operation of the light curtain body 13.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elevator door opening anti-pinch device, comprising an elevator door body (1), characterized in that: The right side of the elevator door body (1) is provided with a side card frame (2), the right side of the front end of the side card frame (2) is fixedly connected to a side card plate (3), a cleaning brush (5) is provided in front of the side card plate (3), the right side of the cleaning brush (5) is fixedly connected to a steering bracket (4), a slide groove (7) is provided on the right side of the side card frame (2), a slide plate (8) is slidably connected to the inner side of the slide groove (7), a slider (9) is fixedly connected to the rear end of the slider (8), a guide rod (10) is inserted in the middle of the slider (9), the outer sleeve of the guide rod (10) is provided with a spring (11) arranged inside the slide groove (7), and the bottom of the steering bracket (4) is fixedly connected to an auxiliary bracket (6).

2. The elevator door opening anti-pinch device according to claim 1, characterized in that: The elevator car door body (1) and the side clamping plate (3) are arranged in parallel, and a light curtain body (13) is clamped in the gap between the side clamping plate (3) and the elevator car door body (1).

3. The elevator door opening anti-pinch device according to claim 1, characterized in that: The upper and lower ends of the side clamp frame (2) are respectively fixedly connected with limiting buckle plates (12), and the limiting buckle plates (12) and the elevator door body (1) are detachably connected by bolts.

4. The elevator door opening anti-pinch device according to claim 1, characterized in that: The connection between the steering bracket (4), the cleaning brush (5) and the slide plate (8) forms an "F"-shaped structure, and the connection between the slide plate (8) and the slider (9) forms a "T"-shaped structure. The slider (9) is slidably connected and arranged inside the slide groove (7). The steering bracket (4) is arranged on the right side of the side card plate (3).

5. The elevator door opening anti-pinch device according to claim 1, characterized in that: The spring (11) is fixedly connected to the upper and lower sliders (9) respectively, the brush surface of the cleaning brush (5) is arranged in abutment with the outer shell surface of the light curtain body (13), the auxiliary bracket (6) has a "U"-shaped structure, and the right side surface of the side clamp (3) is provided with a row of circular hole groove structures arranged from top to bottom, and the guide rod (10) is fixedly installed inside the slide groove (7).

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