CN210798617U

CN210798617U - Safety device of automatic door

Info

Publication number: CN210798617U
Application number: CN201921554880.1U
Authority: CN
Inventors: 张德云
Original assignee: Tianjin Yunni Technology Co ltd
Current assignee: Tianjin Yunni Technology Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-19
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to the technical field of automatic doors, in particular to an automatic door safety device, which comprises a door leaf and a door frame, wherein the front side and the back side of the door leaf close to one end of the door frame and the middle part of the end of the door frame close to the door leaf are both provided with grooves, the grooves are internally and fixedly connected with a buffer mechanism, the bottom of the door leaf is provided with a brake mechanism, the middle part of the end of the door leaf close to the door frame is fixedly connected with a plurality of infrared distance measuring sensors electrically connected with the brake mechanism, whether an extrusion accident occurs between the door leaf and the door frame can be judged according to the distance between the door leaf and the door frame, the damage to personnel caused by extrusion is timely reduced by controlling the braking mechanism, the safety of the automatic door is favorably improved, and by arranging the buffer mechanism, when the door leaf and the door frame are extruded, a reaction time can be provided for people, so that people can actively avoid accidents.

Description

Safety device of automatic door

Technical Field

The utility model relates to an automatically-controlled door technical field specifically is an automatically-controlled door safety device.

Background

A door generally comprises a fixed part, i.e. a door frame, and one or more openable parts, i.e. door leaves, the kinetic energy of which is mainly to allow and prohibit access, and an automatic door (automatic door) should be understood in theory as an extension of the door concept, which is the development and perfection of the door function according to the needs of the person. The automatic door is divided into a revolving door, an arc door, a translation door and the like; the door leaf is opened and closed in a sliding, hinge or folding way and the like.

At present, various automatic doors are widely applied to occasions such as warehouses, garages, machine rooms and the like. The existing automatic door is not provided with a safety protection device generally, so that the extrusion safety accident of the automatic door happens occasionally, and therefore, aiming at the current situation, the safety device of the automatic door is urgently needed to be developed to overcome the defects in the current practical application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatically-controlled door safety device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic door safety device, includes door leaf and door frame, both sides and door frame are close to door leaf one end middle part around the door leaf is close to door frame one end all are provided with the recess, fixed connection is provided with buffer gear in the recess, the door leaf bottom is provided with arrestment mechanism, the door leaf is close to door frame one end middle part fixed connection set up with a plurality of and arrestment mechanism electric connection's infrared ranging sensor.

As a further aspect of the present invention: buffer gear includes fixed block, slider and clamp plate, fixed block fixed connection sets up in the recess bottom, the fixed block other end is provided with the spout, the inboard sliding connection of spout is provided with the slider, fixed connection is provided with the spring between slider and the fixed block, slider other end fixed connection is provided with the connecting block, the connecting block other end and clamp plate fixed connection, clamp plate other end fixed connection is provided with the rubber pad.

As a further aspect of the present invention: the door leaf is characterized in that a connecting rod is fixedly connected to one side, close to the door leaf, of the connecting block, a limiting block is fixedly connected to the other end of the connecting rod, and a limiting groove in sliding connection with the limiting block is formed in the inner side of the door leaf.

As a further aspect of the present invention: the top of the door leaf is provided with a guide groove.

As a further aspect of the present invention: the brake mechanism comprises a caster, a motor and a brake plate, the caster is hinged to rotate and connected to be arranged at the bottom end of the door leaf, the right side of the caster is provided with a motor output end to be connected, the motor is arranged on the inner side of the door leaf in a bolted connection mode, the motor is connected with the controller, the left side of the caster is fixedly connected with a rotating rod hinged to the door leaf, the upper side and the lower side of the rotating rod are respectively provided with the brake plate, and a telescopic rod is fixedly connected between the brake plate and the door leaf.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the infrared distance measuring sensor, whether an extrusion accident occurs between the door leaf and the door frame can be judged according to the distance between the door leaf and the door frame in the closing process of the automatic door, and the damage to personnel caused by extrusion is timely reduced by controlling the braking mechanism, so that the safety of the automatic door is improved;

2. by arranging the buffer mechanism, a reaction time can be provided for people when the door leaf and the door frame have extrusion accidents, so that people can actively avoid accidents, and by arranging the limiting groove and the limiting block, the stability of the sliding block in the moving process can be ensured, and the effectiveness of the buffer mechanism is ensured;

3. through setting up arrestment mechanism, can in time stop the door leaf to make the door leaf open through the reversal of motor, effectively avoided the emergence of extrusion accident.

Drawings

Fig. 1 is a schematic view showing the construction of a safety device for an automatic door.

Fig. 2 is a side view of a door leaf of the automatic door safety device.

Fig. 3 is a plan view of the safety device of the automatic door.

Fig. 4 is a schematic structural diagram at a in fig. 1.

Fig. 5 is a schematic structural diagram at B in fig. 2.

In the figure: 1-door leaf, 2-door frame, 3-rubber pad, 4-groove, 5-pressing plate, 6-guiding groove, 7-infrared distance measuring sensor, 8-limiting groove, 9-connecting rod, 10-fixing block, 11-sliding groove, 12-spring, 13-sliding block, 14-connecting block, 15-limiting block, 16-buffer mechanism, 17-truckle, 18-motor, 19-rotating rod, 20-braking plate and 21-telescopic rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Please refer to fig. 1-5, in the embodiment of the present invention, an automatic door safety device, including door leaf 1 and door frame 2, both sides around door leaf 1 is close to door frame 2 one end and door frame 2 is close to door leaf 1 one end middle part and all is provided with recess 4, fixed connection is provided with buffer gear 16 in the recess 4, door leaf 1 bottom is provided with arrestment mechanism, door leaf 1 is close to door frame 2 one end middle part fixed connection setting and a plurality of infrared ranging sensor 7 with arrestment mechanism electric connection, through setting up infrared ranging sensor 7, can be in the automatic door closure in-process, judge whether take place the extrusion accident between door leaf 1 and the door frame 2 according to the distance between door leaf 1 and the door frame 2 to in time reduce the injury that the extrusion caused to personnel through control arrestment mechanism, do benefit to the security that improves the.

Example 2

In this embodiment, buffer gear 16 includes fixed block 10, slider 13 and clamp plate 5, fixed block 10 fixed connection sets up in 4 bottoms of recess, the fixed block 10 other end is provided with spout 11, the inboard sliding connection of spout 11 is provided with slider 13, fixed connection is provided with spring 12 between slider 13 and the fixed block 10, slider 13 other end fixed connection is provided with connecting block 14, the connecting block 14 other end and clamp plate 5 fixed connection, clamp plate 5 other end fixed connection is provided with rubber pad 3, through setting up buffer gear 16, can give people when door leaf 1 and door frame 2 take place the extrusion accident, give people a reaction time, make people can initiatively avoid unexpected emergence.

In this embodiment, connecting block 14 is close to 1 one side fixed connection of door leaf and is provided with connecting rod 9, the other end fixed connection of connecting rod 9 is provided with

stopper

15, 1 inboard of door leaf is provided with the spacing groove 8 with stopper 15 sliding connection, through setting up spacing groove 8 and stopper 15, can guarantee the stability of slider 13 removal process, has guaranteed buffer gear's validity.

In this embodiment, the top of the door leaf 1 is provided with a guide groove 6.

In this embodiment, the brake mechanism includes truckle 17, motor 18 and braking panel 20, truckle 17 articulates to rotate to connect and sets up in 1 bottom of door leaf, truckle 17 right side is provided with the output of motor 18 and connects, motor 18 bolted connection sets up in 1 inboard of door leaf, motor 18 is connected with the controller, truckle 17 left side fixed connection is provided with the bull stick 19 with door leaf 1 articulated, both sides all are provided with braking panel 20 about the bull stick 19, fixed connection is provided with telescopic link 21 between braking panel 20 and the door leaf 1, through setting up brake mechanism, can in time stop door leaf 1 to make door leaf 1 open through the reversal of motor 18, effectively avoided the emergence of extrusion accident.

This automatic door safety device, through setting up infrared ranging sensor 7, can be in the automatically-controlled door closure in-process, judge whether take place the extrusion accident between door leaf 1 and the door frame 2 according to the distance between door leaf 1 and the door frame 2, and in time reduce the injury that the extrusion caused to personnel through control arrestment mechanism, do benefit to the security that improves the automatically-controlled door, through setting up buffer gear 16, can be when door leaf 1 and door frame 2 take place the extrusion accident, give people and provide a reaction time, make people can initiatively avoid unexpected emergence, through setting up spacing groove 8 and stopper 15, can guarantee the stability of slider 13 removal process, buffer gear's validity has been guaranteed, through setting up arrestment mechanism, can in time stop door leaf 1, and make door leaf 1 open through the reversal of motor 18, the emergence of extrusion accident has effectively been avoided.

The utility model discloses a theory of operation is: when the automatic door is closed, the motor 18 positively rotates to drive the trundles 17 to move, the door leaf 1 moves towards one side of the door frame 2, wherein the infrared distance measuring sensor 7 can judge whether an extrusion accident occurs between the door leaf 1 and the door frame 2 according to the distance between the door leaf 1 and the door frame 2 in the closing process of the automatic door, when the extrusion accident occurs, the distance between the door leaf 1 and the door frame 2 is unchanged, at the moment, the telescopic rod 21 extends under the action of the controller and fixes the rotating rod 19 through the braking plate 20, the door leaf 1 stops running, then the motor 18 reversely rotates, the telescopic rod 21 contracts, the door leaf 1 is opened, through the buffer mechanism 16, when the extrusion accident occurs between the door leaf 1 and the door frame 2, a reaction time is provided for people, and people can actively avoid accidents.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides an automatic door safety device, includes door leaf (1) and door frame (2), its characterized in that, both sides all are provided with recess (4) near door frame (2) one end front and back both sides and door frame (2) near door leaf (1) one end middle part near door leaf (1), fixed connection is provided with buffer gear (16) in recess (4), door leaf (1) bottom is provided with arrestment mechanism, door leaf (1) is close to door frame (2) one end middle part fixed connection setting and a plurality of infrared ray range finding sensor (7) with arrestment mechanism electric connection.

2. The automatic door safety device according to claim 1, characterized in that the buffer mechanism (16) comprises a fixed block (10), a sliding block (13) and a pressing plate (5), the fixed block (10) is fixedly connected to the bottom end of the groove (4), the other end of the fixed block (10) is provided with a sliding groove (11), the sliding block (13) is arranged on the inner side of the sliding groove (11) in a sliding manner, a spring (12) is fixedly connected between the sliding block (13) and the fixed block (10), the other end of the sliding block (13) is fixedly connected to a connecting block (14), the other end of the connecting block (14) is fixedly connected to the pressing plate (5), and the other end of the pressing plate (5) is fixedly connected to a rubber pad (3.

3. The automatic door safety device according to claim 2, characterized in that a connecting rod (9) is fixedly connected to one side of the connecting block (14) close to the door leaf (1), a limiting block (15) is fixedly connected to the other end of the connecting rod (9), and a limiting groove (8) slidably connected with the limiting block (15) is arranged on the inner side of the door leaf (1).

4. Automatic door safety device according to claim 1, characterized in that the top of the door leaf (1) is provided with a guide groove (6).

5. The automatic door safety device according to claim 4, characterized in that the braking mechanism comprises a caster (17), a motor (18) and a braking plate (20), the caster (17) is hinged and rotatably connected to the bottom end of the door leaf (1), the right side of the caster (17) is provided with an output end of the motor (18) to be connected, the motor (18) is arranged on the inner side of the door leaf (1) in a bolted connection mode, the motor (18) is connected with a controller, the left side of the caster (17) is fixedly connected with a rotating rod (19) hinged to the door leaf (1), the upper side and the lower side of the rotating rod (19) are both provided with the braking plate (20), and an expansion rod (21) is fixedly connected between the braking plate (20) and the door leaf (1).