CN215108653U - Anti-falling device for rolling door - Google Patents

Abstract

The application relates to an anti-falling device of a roller shutter door, which relates to the technical field of roller shutter door protection and comprises a roller shutter door body, wherein a clamping hook is arranged on the roller shutter door body, one end of the clamping hook is hinged with the roller shutter door body, a control element is arranged on the roller shutter door body and matched with the clamping hook, and a tensioning element is arranged on one side, away from the control element, of the hinged position of the clamping hook and the roller shutter door body; and the rolling door body is provided with an interval velometer which is electrically connected with the control element. This application helps preventing that the chain on the rolling slats door body from using the fracture back for a long time, pounding people and property because of the dead weight is fallen down fast, causes the loss of casualties and property.

Description

Anti-falling device for rolling door

Technical Field

The application relates to the technical field of rolling slats door protection, in particular to a rolling slats door anti-falling device.

Background

At present, the roller shutter door is formed by connecting multiple movable door sheets in series, and rotating an upper door and a lower door in a fixed slideway by taking a scroll above the door as a center. Roller blinds are commonly used in stores. The rolling door has the same function as a wall and plays a role of horizontal separation, and consists of a plurality of parts, such as a curtain plate, a seat plate, a guide rail, a support, a scroll, a box body, a control box, a rolling door machine, a limiter, a door lintel, a manual quick-release switch device, a button switch, a safety device and the like, and is generally arranged at the position which is inconvenient to adopt the wall separation.

In the related art, a worker installs the roller shutter door at a specified position, and then drives a chain transmission belt through a motor to realize the lifting of the roller shutter door.

Aiming at the related technologies, the inventor thinks that the phenomenon that the chain is easy to wear or overload and break exists in the process of using the rolling door for a long time, so that the rolling door falls down rapidly due to dead weight, people and property can be hit by the rolling door falling rapidly, and casualties and property loss are caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the rolling slats door in the in-process of long-time use, take place the chain wearing and tearing tenesmus easily, cause the problem of casualties and the loss of property, this application provides a rolling slats door anti-falling device.

The application provides a rolling slats door anti-falling device adopts following technical scheme:

a falling prevention device for a roller shutter door comprises a roller shutter door body, wherein a clamping hook is arranged on the roller shutter door body, one end of the clamping hook is hinged with the roller shutter door body, a control element is arranged on the roller shutter door body, the control element is matched with the clamping hook, and a tensioning element is arranged on one side, away from the control element, of the hinged position of the clamping hook and the roller shutter door body; and the rolling door body is provided with an interval velometer which is electrically connected with the control element.

Optionally, be provided with first gear on the pothook, the control includes the second gear, second gear and first gear engagement, be provided with driving motor on the rolling slats door body, driving motor erects on the rolling slats door body, driving motor's output shaft is fixed with the second gear, be provided with on the rolling slats door body and drive actuating cylinder, it is vertical setting to drive actuating cylinder, the cylinder body that drives actuating cylinder erects on the rolling slats door body, just it is fixed with driving motor to drive the one end of actuating cylinder piston rod.

Optionally, the tensioning piece comprises a tensioning spring, one end of the tensioning spring is fixed to the hook, and the other end of the tensioning spring is fixed to the roller shutter door body.

Optionally, guide plates are arranged on two sides of the driving motor, guide rods are arranged on the rolling door body and correspond to the guide plates, and the guide plates are matched with the corresponding guide rods in a sliding mode.

Optionally, a shock pad is arranged on the hook and is located on the upper side of the hook in the horizontal direction.

Optionally, a guide inclined plane is formed on one side of the second gear axis direction, which is away from the driving motor, and the guide inclined plane is inclined inwards from one side close to the driving motor to one side far away from the driving motor.

To sum up, this application includes following at least one rolling slats door anti-falling device beneficial technological effect:

1. chain on the rolling slats door body breaks off after long-time use, the rolling slats door body drops because of the dead weight is quick, the interval tachymeter detects the rolling slats door body and drops, then interval tachymeter transmission signal gives the control, the control breaks away from with the pothook, the tensioning member is taut with the pothook towards one side of rolling slats door body afterwards, the rolling slats door body drops on the pothook at last, help preventing chain on the rolling slats door body after long-time use breaks off, smash people and property because of the dead weight is quick to drop down, cause the loss of casualties and property.

Drawings

FIG. 1 is a schematic view of the overall structure of a rolling door fall preventing device according to the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of the second gear structure mainly embodied in the present embodiment.

Reference numerals: 1. a mounting frame; 11. a roller shutter door body; 2. a first fixing plate; 21. a first gear; 22. a second fixing plate; 3. a hook; 31. a shock pad; 4. tensioning the spring; 5. a control member; 51. a driving cylinder; 52. corner connectors; 521. fixing the bolt; 6. a drive motor; 61. a guide plate; 62. a guide bar; 63. a first substrate; 64. a second substrate; 65. a second gear; 651. a guide ramp; 7. an interval velocimeter.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses rolling slats door anti-falling device.

Referring to fig. 1 and 2, the anti-falling device for the roller shutter door comprises a mounting frame 1, wherein a roller shutter door body 11 is detachably arranged on the mounting frame 1. The both sides of 1 horizontal direction of mounting bracket all are provided with first fixed plate 2 and second fixed plate 22, all are provided with first gear 21 between the first fixed plate 2 of both sides and the second fixed plate 22, and two first gear 21 all rotate the setting between the first fixed plate 2 and the second fixed plate 22 that correspond.

The structure and the installation mode of the parts matched with the first gear 21 on the two sides of the mounting rack 1 are all mirror images, and only one side is described as follows:

referring to fig. 2, the first gear 21 is provided with a hook 3, the hook 3 is L-shaped as a whole, one end of the L-shaped hook 3 is integrally formed with the first gear 21, and the other end faces the rolling door body 11. Be provided with the taut piece between pothook 3 and the mounting bracket 1, the taut piece includes straining spring 4, and the axis direction of straining spring 4 is the level setting, and straining spring 4's one end is fixed with mounting bracket 1, and the other end is fixed with pothook 3 near one side of first gear 21, and pothook 3 is the slope setting, and the straining spring 4 of being convenient for exerts pulling force to pothook 3.

Referring to fig. 2, the rolling door body 11 falls under its own gravity, and directly collides with the hook 3, which easily causes the hook 3 to be damaged, so a shock pad 31 is provided on the hook 3, the shock pad 31 is made of rubber, and an end face of the shock pad 31 in the thickness direction is adhered to the upper side of the hook 3 in the horizontal direction.

Referring to fig. 2, after the existing hook 3 is blocked, the existing hook cannot be restored well, so the mounting frame 1 is provided with the control member 5, the control member 5 includes a driving cylinder 51, the driving cylinder 51 is vertically arranged, and a piston rod of the driving cylinder 51 faces to the lower side. The both sides of driving actuating cylinder 51 are all provided with angle sign indicating number 52 relatively, and one side of two angle sign indicating numbers 52 all contradicts with the cylinder body that drives actuating cylinder 51, and the opposite side all contradicts with mounting bracket 1. The two corner connectors 52 are provided with fixing bolts 521, and the fixing bolts 521 pass through the corresponding corner connectors 52 and are respectively in threaded connection with the cylinder body of the driving cylinder 51 and the mounting frame 1. The driving cylinder 51 is fixed by the corner bracket 52 so that the stability of the driving cylinder 51 is improved.

Referring to fig. 2, one end of the piston rod of the driving cylinder 51 is provided with the driving motor 6, and the driving motor 6 is detachably mounted with the piston rod of the driving cylinder 51 with the output shaft of the driving motor 6 facing the lower side. The both sides of 6 horizontal directions of driving motor all are provided with deflector 61, and deflector 61 is whole to be rectangular plate-like, and the one end of two deflectors 61 all welds with driving motor 6, and the other end all extends to the both sides that deviate from each other.

Referring to fig. 2, all be provided with guide bar 62 on two guide bars 62, the axis of two guide bars 62 all is parallel with the axis of driving motor 6 output shaft, and two guide bars 62 all pass corresponding deflector 61, the both ends of two guide bars 62 are provided with first base plate 63 and second base plate 64 respectively, first base plate 63 all is rectangular plate-like with second base plate 64 is whole, first base plate 63 all is fixed with mounting bracket 1 with second base plate 64 length direction's one end, the other end all extends to the one side of keeping away from mounting bracket 1, first base plate 63 all with correspond the dead lever welding with a terminal surface that second base plate 64 is close to each other.

Referring to fig. 2, one end of the output shaft of the driving motor 6 is provided with a second gear 65, the axis of the second gear 65 is coaxial with the axis of the output shaft of the driving motor 6, the second gear 65 is fixed with the output shaft of the driving motor 6, and the second gear 65 is meshed with the first gear 21.

Referring to fig. 2 and 3, a guide slope 651 is formed at an end of the second gear 65 in the axial direction away from the driving motor 6, and the guide slope 651 is inclined inward to a side close to the driving motor 6 toward a side away from the driving motor 6.

Referring to fig. 1 and 2, an interval velocimeter 7 is arranged on the mounting frame 1, and the interval velocimeter 7 is detachably mounted on the mounting frame 1. Interval tachymeter 7 detects the speed of process interval tachymeter 7 when rolling slats door body 11 drops, the speed that detects rolling slats door body 11 and drop when interval tachymeter 7 is greater than the speed of the normal oscilaltion of rolling slats door body 11, 7 length electricity signals of interval tachymeter give and drive actuating cylinder 51, it drives actuating cylinder 51 piston rod and drives driving motor 6 and rise along guide bar 62, when first gear 21 breaks away from with second gear 65, tensioning spring 4 stretches pothook 3 to the one side that is close to rolling slats door body 11, pothook 3 blocks that rolling slats door body 11 falls.

The implementation principle of the rolling door anti-falling device in the embodiment of the application is as follows: in the application, after rolling slats door body 11 uses for a long time, inside chain breaks off, rolling slats door body 11 is because of the fast tenesmus of dead weight, the speed that interval tachymeter 7 detected rolling slats door body 11 and dropped is greater than the speed of the normal oscilaltion of rolling slats door body 11, 7 transmission signals of interval tachymeter give and drive actuating cylinder 51, it drives actuating motor 6 and rises along guide bar 62 to drive actuating cylinder 51 piston rod, second gear 65 takes place to break away from with first gear 21, tensioning spring 4 is with pothook 3 around the axis direction of first gear 21 one side that is close to rolling slats door body 11 tensile, rolling slats door body 11 drops on pothook 3's shock pad 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. The utility model provides a rolling slats door anti-falling device, includes rolling slats door body (11), its characterized in that: the roller shutter door is characterized in that a clamping hook (3) is arranged on the roller shutter door body (11), one end of the clamping hook (3) is hinged to the roller shutter door body (11), a control element (5) is arranged on the roller shutter door body (11), the control element (5) is matched with the clamping hook (3), and a tensioning element is arranged on one side, away from the control element (5), of the hinged position of the clamping hook (3) and the roller shutter door body (11); the rolling door is characterized in that a distance velometer (7) is arranged on the rolling door body (11), and the distance velometer (7) is electrically connected with the control piece (5).

2. A roller door fall arrest device according to claim 1, characterised in that: be provided with first gear (21) on pothook (3), control piece (5) include second gear (65), second gear (65) and first gear (21) meshing, be provided with driving motor (6) on rolling slats door body (11), driving motor (6) erect on rolling slats door body (11), the output shaft and second gear (65) of driving motor (6) are fixed, be provided with on rolling slats door body (11) and drive actuating cylinder (51), it is vertical setting to drive actuating cylinder (51), the cylinder body that drives actuating cylinder (51) erects on rolling slats door body (11), just it is fixed with driving motor (6) to drive the one end of actuating cylinder (51) piston rod.

3. A roller door fall arrest device according to claim 1, characterised in that: the tensioning piece comprises a tensioning spring (4), one end of the tensioning spring (4) is fixed with the clamping hook (3), and the other end of the tensioning spring is fixed with the roller shutter door body (11).

4. A roller door fall arrest device according to claim 2, characterised in that: both sides of driving motor (6) all are provided with deflector (61), be provided with guide bar (62) on rolling slats door body (11), guide bar (62) correspond with deflector (61), deflector (61) with correspond guide bar (62) cooperation of sliding.

5. A roller door fall arrest device according to claim 1, characterised in that: a shock absorption pad (31) is arranged on the hook (3), and the shock absorption pad (31) is positioned on the upper side of the hook (3) in the horizontal direction.

6. A roller door fall arrest device according to claim 2, characterised in that: a guide inclined plane (651) is formed on one side, away from the driving motor (6), of the axis direction of the second gear (65), and the guide inclined plane (651) inclines inwards from one side close to the driving motor (6) to one side far away from the driving motor (6).

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