CN215671718U

CN215671718U - Two-wing revolving door capable of safely preventing clamping

Info

Publication number: CN215671718U
Application number: CN202122251159.9U
Authority: CN
Inventors: 赵长清
Original assignee: Qingdao Kaibisheng Automatic Door Engineering Co ltd
Current assignee: Qingdao Kaibisheng Automatic Door Engineering Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-28
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a safe anti-pinch two-wing revolving door, which relates to the technical field of door products and comprises a fixed fan, a revolving frame, two groups of revolving fans and a revolving fan driving system, wherein the two groups of revolving fans are respectively arranged at two ends of the revolving frame; the inward folding part comprises a connecting part used for connecting the fixing part, and a folding part is rotatably arranged at one end of the connecting part, which is far away from the fixing part; the two ends of the rotating frame are respectively provided with an inward-folding driving device, and the inward-folding driving devices are in transmission connection with the connecting parts of the connecting parts and the folding parts and drive the connecting parts to rotate around the connecting parts of the connecting parts and the fixing parts. The two-wing revolving door provided by the utility model has the advantages of stable work, high automation number, capability of realizing full collision prevention and clamping prevention and higher safety coefficient.

Description

Two-wing revolving door capable of safely preventing clamping

Technical Field

The utility model relates to the technical field of door products, in particular to a safe anti-pinch two-wing revolving door.

Background

In the prior art, a rotating part of a revolving door needs to be driven by a motor to rotate ceaselessly during working, and a short-distance shearing state can be generated between a front upright frame of a revolving fan and a front upright post of a fixed fan when the front upright frames are staggered; if people or objects are in the space, the front upright frame of the moving sash of the revolving door can collide with the pedestrians or the objects with large impact force, and even the pedestrians or the objects to pass through are tightly clamped between the front upright frame of the moving sash and the front upright of the fixed sash. This can cause significant injury to pedestrians or objects, and even death.

In order to avoid the safety problem, a great deal of improvement and new design are adopted for the safety problem of the revolving door and the positions of people clamping and colliding in China, such as: set up response radar or crashproof adhesive tape in this region, move the fan when sensing people or thing and slow down or brake in this region, but because there is certain inertia, move the fan braking untimely, still have certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe anti-pinch two-wing revolving door, which utilizes an inward-folding driving device to drive an inward-folding part to fold inward and fold automatically while braking a revolving fan, fully realizes anti-collision and anti-pinch, and greatly improves the safety factor of the revolving door.

The technical purpose of the utility model is realized by the following technical scheme:

a safe anti-pinch two-wing revolving door comprises a fixed fan, a revolving frame, two groups of revolving fans and a revolving fan driving system, wherein the two groups of revolving fans are respectively arranged at two ends of the revolving frame; the inward folding part comprises a connecting part used for connecting the fixing part, and a folding part is rotatably arranged at one end of the connecting part, which is far away from the fixing part; the two ends of the rotating frame are respectively provided with an inward-folding driving device, and the inward-folding driving devices are in transmission connection with the connecting parts of the connecting parts and the folding parts and drive the connecting parts to rotate around the connecting parts of the connecting parts and the fixing parts.

By adopting the technical scheme, in work, the rotary fan rotates on the inner side of the fixed fan, and the intermittent opening and closing of the inlet are realized. In the process, when the rotary fan is impacted, the rotary fan driving system carries out emergency braking on the rotary fan; meanwhile, the inward folding driving device drives the connecting part to rotate around the connecting part of the connecting part and the fixing part, so that the inward folding part can be folded inwards and can be gradually folded. Through this kind of mode, the turn-round fan can be eliminated in the infolding portion infolding because the produced stroke of inertia is to pedestrian's impact in braking process, and the infolding portion carries out oneself folding in the infolding, can avoid the infolding portion to hit originally just at the inside pedestrian of door frame at the in-process of infolding, reserve sufficient space for the inside pedestrian of door frame, and then fully realize the anticollision and prevent pressing from both sides, improve the factor of safety of revolving door greatly, guarantee pedestrian's personal safety.

The utility model is further configured to: the folding driving device is characterized in that the inward folding driving device is an electric cylinder, the movable end of the electric cylinder is hinged with the connecting part of the connecting part and the folding part, and the other end of the electric cylinder is hinged with the rotating frame.

Through adopting above-mentioned technical scheme, electronic jar job stabilization, simple to operate, the cooperation sensor that can be splendid realizes intelligent operation, the motion of the interior book portion of drive that can be stable.

The utility model is further configured to: the inward-folding driving device comprises a sliding block arranged on the rotating frame in a sliding mode, a connecting rod is hinged to the sliding block, one end, far away from the sliding block, of the connecting rod is hinged to a connecting portion of the folding portion, and a sliding driving assembly used for driving the sliding block to move is further arranged on the rotating frame.

By adopting the technical scheme, the sliding driving component can drive the sliding block to slide on the rotating frame in a reciprocating manner; in the process, along with the sliding of the sliding block, the sliding block can drive the inward folding part to rotate inwards or outwards through the connecting rod, and the inward folding and the recovery of the inward folding part are realized.

The utility model is further configured to: the sliding driving assembly comprises a servo motor fixedly arranged on the rotating frame and a transmission lead screw horizontally and rotatably arranged at the top of the rotating frame, the horizontal thread of the transmission lead screw penetrates through the sliding block, and one end of the transmission lead screw is in transmission connection with the servo motor.

Through adopting above-mentioned technical scheme, servo motor can drive the transmission lead screw and rotate, and the transmission lead screw then drives slider reciprocating motion on the swivel mount. The servo motor is convenient for realize the precision control, cooperates the sensor, can realize intelligent operation.

The utility model is further configured to: and the rotating frame is also provided with an elastic damper, and two ends of the elastic damper are respectively connected with the rotating frame and the folding part.

By adopting the technical scheme, when the inward folding driving device drives the connecting part to be folded inwards, the elastic damper can pull the folding part away from the connecting part, so that the stability of the folding part in the inward folding process of the inward folding part is ensured; meanwhile, when the connecting part is reset, the elastic damper is matched with the inward folding driving device to fully ensure the stability of the inward folding part structure, so that the elastic damper can resist certain internal and external impact.

The utility model is further configured to: the fixed fan is characterized in that a front upright post and a rear upright post are respectively fixed at two ends of the fixed fan, a first anti-collision sensor is arranged on the front upright post, and the first anti-collision sensor is electrically connected with a rotary fan driving system.

Through adopting above-mentioned technical scheme, when first anticollision inductor sensed the striking, first anticollision inductor sent the signal of telecommunication to complex control system, and control system and then control gyration fan actuating system and carry out emergency braking, realizes intelligent control.

The utility model is further configured to: the number of the first anti-collision sensors is at least two, and at least one of the first anti-collision sensors is located on the lower portion of the front upright post.

By adopting the technical scheme, on one hand, a plurality of first anti-collision sensors are arranged, so that the sensing is more accurate; a plurality of first anticollision inductors of on the other hand are mutually supported, can respond to the pedestrian of different heights. Simultaneously, set up first anticollision inductor through the lower part at the front column, can also sense infant or pet, further guarantee the security.

The utility model is further configured to: one side of the inward-folding part far away from the fixing part is provided with a second anti-collision sensor, and the second anti-collision sensor is electrically connected with the inward-folding driving device.

Through adopting above-mentioned technical scheme, when the crashproof inductor of second senses the striking, the crashproof inductor of second can be to supporting control system signals of sending out electricity, and control system and then control infolding drive arrangement and begin work, can drive infolding portion after infolding drive arrangement begins work and inwards turn over and roll over and realize that the oneself is folding.

In conclusion, the beneficial technical effects of the utility model are as follows:

(1) when impact is sensed and the rotating fan starts to brake, the inward folding driving device can drive the inward folding part to turn inwards and fold by itself at the same time, so that the impact of the stroke of the rotating fan generated by inertia during braking on pedestrians can be eliminated, the pedestrians originally in the door frame can be prevented from being hit by the inward folding part in the inward folding process, enough space is reserved for the pedestrians, the anti-collision and anti-pinch can be fully realized, and the safety coefficient of the two-wing rotating door is greatly improved;

(2) through set up elastic damper on the swivel mount, hold the folded section with the help of elastic damper, the cooperation is rolled over drive arrangement in, not only can realize the stability of folded section in when the folded section is rolled over in, fully folding, but also can guarantee the stability of folded section structure in the folded section after the folded section resets.

Drawings

FIG. 1 is a schematic overall structure of one embodiment of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1, and is mainly used for embodying the inward folding portion and the inward folding driving device.

Reference numerals: 1. fixing the fan; 2. a rotating frame; 3. a rotating fan; 31. a fixed part; 32. an inner fold portion; 321. a connecting portion; 322. a folding part; 4. a front pillar; 5. a rear pillar; 6. a fold-in drive device; 61. a slider; 62. a connecting rod; 63. a servo motor; 64. a transmission screw rod; 7. a tension spring.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to fig. 1, the two-wing revolving door capable of preventing clamping safely comprises a fixed leaf 1, a revolving frame 2 rotatably arranged at the inner side of the fixed leaf 1 and two groups of revolving leaves 3 respectively arranged at two ends of the revolving frame 2; wherein, two sets of fixed fan 1 symmetry are equipped with, and the opening of two sides of the region that two fixed fan 1 enclose constitutes the access & exit that supplies the pedestrian to pass in and out. Meanwhile, the top of the rotating frame 2 is also provided with a driving system of a rotating fan. In actual use, the rotary fan driving system drives the rotary fan 3 to continuously rotate on the inner side of the fixed fan 1, and then intermittent opening and closing of the rotary door entrance are achieved.

Taking any one of the fixed fans 1 as an example, the two ends of the fixed fan 1 are respectively fixed with a front upright post 4 and a rear upright post 5, and the front upright post 4 and the rear upright post 5 can be fixed with the ground through foundation bolts. For anti-pinch consideration, a first anti-collision sensor is arranged on the front upright post 4, the first anti-collision sensor can be electrically connected with a matched control system in a wired or wireless mode, and the control system is further connected with a rotary fan driving system. During the use, when first anticollision inductor sensed the striking, first anticollision inductor can send the signal of telecommunication to supporting control system, and control system and then control gyration fan actuating system emergency braking for gyration fan 3 stall avoids pressing from both sides and hurts the pedestrian.

Meanwhile, in order to ensure the anti-pinch effect, a plurality of first anti-pinch sensors can be arranged at intervals along the height direction of the front upright post 4, and at least one of the first anti-pinch sensors is positioned in the area of the lower part of the front upright post 4, which is 30-100 cm away from the ground; so, the pedestrian of adaptable different heights of one side, on the other hand can also effectively respond to infant or pet etc..

Referring to fig. 2, the rotating fan 3 includes a fixing portion 31 fixedly connected to the rotating frame 2, an inward folding portion 32 is disposed at one end of the fixing portion 31 along a rotation direction of the rotating fan 3, and the inward folding portion 32 and the fixing portion 31 can be rotatably connected by a pivot, a hinge, or other equivalent methods, so that the inward folding portion 32 can perform a turning motion around a connection portion of the inward folding portion and the fixing portion 31. The inward folding portion 32 further includes a connecting portion 321 for connecting the fixing portion 31 and a folding portion 322 disposed on a side of the connecting portion 321 away from the fixing portion 31, and the folding portion 322 and the connecting portion 321 can be rotatably connected by a pivot connection, a hinge connection or other equivalent methods, so that the folding portion 322 can flexibly rotate around the connecting portion of the folding portion and the connecting portion 321. Meanwhile, in order to ensure that the folding portion 322 and the connecting portion 321 can form a stable and reliable door leaf structure, a limitation is made on a rotation angle of the folding portion 322 relative to the connecting portion 321, for example, a protrusion (hidden in the drawing and not shown) is disposed on an inner side of the folding portion 322, and in a normal state, the protrusion abuts against the inner side of the connecting portion 321, so that the folding portion 322 cannot rotate inward relative to the connecting portion 321 when the connecting portion 321 is stationary; when the connection portion 321 is rotated inward, the folded portion 322 may be rotated outward with respect to the connection portion 321.

In order to drive the inward folding part 32 to turn over, the inward folding driving device 6 is arranged on the rotating frame 2. In one embodiment, the inward folding driving device 6 may be an electric cylinder, the electric cylinder may be hinged to the rotating frame 2, and the movable end of the electric cylinder is hinged to the connecting portion 321, or the connecting portion 321 is hinged to the connecting portion of the folding portion 322. So, when normal work, electronic jar is in the extension state, and the above-mentioned lug of cooperation, electronic jar can withstand connecting portion 321 for inflection portion 32 still can keep stable in structure when bearing outside-in's impact effort.

Referring to fig. 2, in another embodiment, the inward folding driving device 6 includes a sliding block 61 slidably disposed on the top of the rotating frame 2, the sliding block 61 is hinged to a connecting rod 62, and an end of the connecting rod 62 away from the sliding block 61 is hinged to the connecting portion 321 or the connecting portion 321 is hinged to the folding connecting portion 321. Meanwhile, the top of the rotating frame 2 is also provided with a sliding driving component for driving the sliding block 61 to move. The sliding driving assembly comprises a servo motor 63 fixedly arranged at the top of the rotating frame 2 and a transmission screw rod 64 horizontally and rotatably arranged at the top of the rotating frame 2, the transmission screw rod 64 is horizontally threaded to penetrate through the sliding block 61, and one end of the transmission screw rod can be coaxially fixed with an output shaft of the servo motor 63 through a coupler. Thus, when the servo motor 63 works, the transmission screw rod 64 can be driven to rotate, and the slide block 61 is further driven to slide on the rotating frame 2 in a reciprocating manner; the slider 61 further rotates the connecting portion 321 inward or outward when moving.

In order to further improve the structural stability of the folded-in portion 32, an elastic damper is further disposed on the rotating frame 2, the elastic damper may be an extension spring 7, one end of the extension spring 7 is connected to the rotating frame 2, and the other end of the extension spring may be connected to a side of the folded portion 322 away from the connecting portion 321. Thus, during normal use, the inward-folding driving device 6 can be used as the top connecting part 321, the elastic damper can pull the folding part 322, the matching lug can prop against the inner side of the connecting part 321, and the inward-folding part 32 can still keep stable structure when bearing certain impact force from inside to outside. When the inward folding driving device 6 drives the connecting part 321 to turn inwards, the extension spring 7 continues to be extended, and the connecting part 321 and the folding part 322 can move inwards; in this process, the folding portion 322 can also rotate outward relative to the connecting portion 321, so that the inward folding portion 32 can be folded by itself, the space in the door is saved, the pedestrian who originally is located in the door frame is prevented from being hit, and the safety is improved.

It should be noted that, in order to ensure the stable movement of the revolving fan 3, the bottom of the revolving door is provided with an annular track; correspondingly, the bottom of the folding part 322 is provided with a roller matched with the track; in the process of folding the folding portion 322 and the connecting portion 321, the roller at the bottom of the folding portion 322 always moves in the circular track of the rotating fan 3, so that the folding portion 322 does not move freely in the door frame when the folding portion 32 is folded inwards. Meanwhile, the elastic damper may also be made of other elastic members, such as rubber or other devices including springs or rubber, and is not particularly limited.

In order to further improve the anti-pinch effect, a second anti-collision sensor is disposed on one side of the inward-folded portion 32 away from the fixing portion 31 (i.e., one side of the folded portion 322 away from the connecting portion 321), and the second anti-collision sensor is electrically connected to the inward-folded driving device 6 through a matching control system. Thus, when the second anti-collision sensor senses the collision, the matched control system can control the inward folding driving device 6 to start working, and then the inward folding of the inward folding part 32 is realized.

The working principle of the embodiment is as follows: in use, when the first anti-collision sensor senses the collision, the control system controls the rotation fan driving system to brake, so that the rotation fan 3 stops rotating. Meanwhile, when the second anti-collision sensor senses the collision, the control system controls the inward-folding driving device 6 to start, and drives the inward-folding part 32 to turn inwards; in this process, the folded portion 322 is turned outward with respect to the connecting portion 321, thereby achieving the self-folding of the folded-in portion 32. So, not only can eliminate gyration fan 3 when the braking because the produced stroke of inertia is to pedestrian's impact, can also avoid interior book portion 32 to hit originally just at the inside pedestrian of door frame at the in-process of rolling over to the enstrophe, reserve sufficient space for the pedestrian to fully realize the anticollision and prevent pressing from both sides, greatly improve the factor of safety of two wings revolving door.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a safe two wings revolving door of preventing pressing from both sides, includes fixed fan (1), swivel mount (2), two sets of gyration fan (3) and the gyration fan actuating system that sets up respectively in swivel mount (2) both ends, its characterized in that: the rotary fan (3) comprises a fixing part (31) fixedly connected with the rotary frame (2), and an inward-folding part (32) is rotatably arranged at one end of the fixing part (31) along the rotation direction of the rotary fan (3); the inward folding part (32) comprises a connecting part (321) used for connecting the fixing part (31), and one end, far away from the fixing part (31), of the connecting part (321) is rotatably provided with a folding part (322); both ends of the rotating frame (2) are provided with inward-folding driving devices (6), the inward-folding driving devices (6) are in transmission connection with the connecting parts of the connecting parts (321) and the folding parts (322) to drive the connecting parts (321) to rotate around the connecting parts of the connecting parts and the fixing parts (31).

2. The two-wing revolving door of claim 1, wherein: the inward folding driving device (6) is an electric cylinder, the movable end of the electric cylinder is hinged with the connecting part of the connecting part (321) and the folding part (322), and the other end of the electric cylinder is hinged with the rotating frame (2).

3. The two-wing revolving door of claim 1, wherein: fold in drive arrangement (6) including sliding slider (61) that sets up on swivel mount (2), the articulated connecting rod (62) that is provided with on slider (61), the one end and the connecting portion (321) of slider (61) are kept away from in connecting rod (62) are articulated with the junction of folding portion (322), just still be equipped with the drive assembly that slides that is used for driving slider (61) motion on swivel mount (2).

4. The two-wing revolving door of claim 3, wherein: the sliding driving assembly comprises a servo motor (63) fixedly arranged on the rotating frame (2) and a transmission screw rod (64) horizontally and rotatably arranged at the top of the rotating frame (2), the transmission screw rod (64) is horizontally threaded to penetrate through the sliding block (61), and one end of the transmission screw rod is in transmission connection with the servo motor (63).

5. The two-wing revolving door of claim 1, wherein: and the rotating frame (2) is also provided with an elastic damper, and two ends of the elastic damper are respectively connected with the rotating frame (2) and the folding part (322).

6. The two-wing revolving door of claim 1, wherein: fixed fan (1) both ends are fixed with front column (4) and rear column (5) respectively, be equipped with first anticollision inductor on front column (4), first anticollision inductor and gyration fan actuating system electric connection.

7. The two-wing revolving door of claim 6, wherein: the number of the first anti-collision sensors is at least two, and at least one of the first anti-collision sensors is positioned at the lower part of the front upright post (4).

8. The two-wing revolving door of claim 1, wherein: one side of the inward folding part (32) far away from the fixing part (31) is provided with a second anti-collision sensor, and the second anti-collision sensor is electrically connected with the inward folding driving device (6).