CN210977244U

CN210977244U - Fireproof door rolling machine device with backstop protection device

Info

Publication number: CN210977244U
Application number: CN201921212888.XU
Authority: CN
Inventors: 万志文; 万素杰
Original assignee: Jiangxi Aland Technology Co ltd
Current assignee: Jiangxi Aland Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-07-10
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a fire prevention rolling door machine device with backstop protection device, including the reduction case, the reduction case internal rotation is connected with the reduction gear, reduction case upper end fixedly connected with motor housing, fixedly connected with motor in the motor housing, the motor housing upper end is provided with detachable stopper shell through the bolt, fixedly connected with stopper in the stopper shell, stopper shell outside rotation is connected with the chain, stopper shell front end is provided with the backstop, reduction case outside fixedly connected with controller, the stopper upper end is provided with the hand brake pole, and the hand brake pole extends toward the stopper shell outward. The fireproof door rolling machine device with the backstop protection device adopts the design of the backstop, avoids the problem of damage to the door body due to the fact that the descending speed of the door body is too high, improves the safety of the fireproof door rolling machine, further improves the safety level of the fireproof door rolling machine, and has a simple structure.

Description

Fireproof door rolling machine device with backstop protection device

Technical Field

The utility model relates to a rolling door machine equipment technical field specifically is a fire prevention rolling door machine device with backstop protection device.

Background

The rolling door device is a device installed on an electric rolling door and used for controlling the rolling door to ascend or descend so as to complete the opening and closing action of the rolling door.

With the improvement of living conditions, most rolling doors are provided with rolling door machine devices, the difficulty of opening and closing the doors is reduced, the existing rolling door machine devices are not provided with backstop protection devices, when the rolling door machine is rotated by a manual zipper strip, the phenomenon that the door body descends and runs too fast easily, objects are damaged by smashing, life safety is even damaged, and the defects that the door body cannot be prevented from descending after the rolling door machine breaks down, the door body descends under the action of self gravity and the safety is low are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention rolling door machine device with backstop protection device to propose among the above-mentioned background art and easily appear a body decline operation too fast, lead to pounding bad object, harm life safety even and when the rolling door machine trouble back, can not hinder a body and descend, the door body descends under the effect of self gravity, the low problem of security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire prevention rolling door machine device with backstop protection device, includes the reduction case, the reduction case internal rotation is connected with the reduction gear, reduction case upper end fixedly connected with motor housing, fixedly connected with motor in the motor housing, the motor housing upper end is provided with detachable stopper shell through the bolt, fixedly connected with stopper in the stopper shell, the stopper shell outside is rotated and is connected with the chain, stopper shell front end is provided with the backstop, reduction case outside fixedly connected with controller, the stopper upper end is provided with the hand brake pole, and the hand brake pole extends outward toward the stopper shell.

Preferably, the speed reducer box, the motor shell and the brake shell are of concentric circle structures, and the speed reducer box, the motor shell and the brake shell are in a through design.

Preferably, the speed reducer is in rotary connection with the motor.

Preferably, the number of the bolts is 4, and the height of the bolt is greater than the sum of the heights of the upper end bump of the motor shell and the lower end bump of the brake shell.

Preferably, the chain is made of high-quality carbon steel.

Preferably, the manual brake lever and the brake are in a linkage structure.

Compared with the prior art, the beneficial effects of the utility model are that: this fire prevention rolling door machine device with backstop protection device adopts the design of backstop, when manual draw zipper strip, the descending resistance of the increase door body, avoid too fast because of the door body falling speed, cause the problem of the damage of the door body, improve the security of fire prevention rolling door machine, and when rolling door machine breaks down, the door body can't descend fast under the effect of self gravity, has further improved the security level of fire prevention rolling door machine, and backstop simple structure, simple to operate.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the backstop of the present invention.

In the figure: 1. a reducer case; 2. a speed reducer; 3. a motor housing; 4. a motor; 5. a bolt; 6. a brake housing; 7. a backstop; 8. a brake; 9. a chain; 10. a controller; 11. a manual brake lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fire-proof rolling door machine device with a backstop protection device comprises a speed reducer box 1, a speed reducer 2, a motor shell 3, a motor 4, a bolt 5, a brake shell 6, a backstop 7, a brake 8, a chain 9, a controller 10 and a manual brake rod 11, wherein the speed reducer 2 is rotationally connected in the speed reducer box 1, the motor shell 3 is fixedly connected at the upper end of the speed reducer box 1, the motor 4 is fixedly connected in the motor shell 3, the detachable brake shell 6 is arranged at the upper end of the motor shell 3 through the bolt 5, the brake 8 is fixedly connected in the brake shell 6, the chain 9 is rotationally connected at the outer side of the brake shell 6, the backstop 7 is arranged at the front end of the brake shell 6, the controller 10 is fixedly connected at the outer side of the speed reducer box 1, the manual brake rod 11 is arranged at the upper end of the brake 8, the manual brake rod 11 extends out of the brake shell 6, the model of the backstop 7 is CKF-A2090, the model of the controller 10 is SPC-2000C, the model of the brake 8 is TJ-POD-Y, the controller 10, the motor 4 and the brake 8 are necessary parts of the existing fireproof door rolling machine, and the installation structure and the connection mode are not described in detail;

furthermore, the reducer case 1, the motor shell 3 and the brake shell 6 are of concentric circle structures, and the reducer case 1, the motor shell 3 and the brake shell 6 are in a through design, so that normal connection of all parts in the reducer case 1, the motor shell 3 and the brake shell 6 is ensured;

furthermore, the speed reducer 2 is rotationally connected with the motor 4, and the speed reducer 2 is used for reducing the speed of the power of the motor 4 in high-speed operation;

furthermore, 4 bolts 5 are symmetrically arranged relative to the motor shell 3, the height of each bolt 5 is greater than the sum of the heights of the upper-end convex block of the motor shell 3 and the lower-end convex block of the brake shell 6, and the bolts 5 are arranged to facilitate the disassembly of the motor shell 3 and the brake shell 6 and the maintenance of parts inside the motor shell 3 and the brake shell 6;

furthermore, the chain 9 is made of high-quality carbon steel, so that the hardness and the wear resistance are high, and the service life of the chain 9 is prolonged;

furthermore, the manual brake lever 11 and the brake 8 are in a linkage structure, and braking operation can be performed through both the manual brake lever 11 and the brake 8.

The working principle is as follows: the method comprises the steps that firstly, a motor 4 is started through a controller 10, the motor 4 drives a speed reducer 2 to rotate, a shaft on a door body rotates under the action of the speed reducer 2, ascending and descending operations of the door body are carried out, when a door roller device is pulled through a chain 9, one end of a check arm on a check device 7 is fixed with an outer ring of the check device 7, the other end of the check arm is fixed on a brake shell 6, so that a check torque is obtained, wherein a special-shaped block in the check device 7 plays a key role, when the rotating speed of an inner ring is larger than that of the outer ring, the special-shaped block hardly generates friction force, when the rotating speed of the outer ring is larger than that of the inner ring, the special-shaped block gradually squeezes the inner ring and the outer ring under the action of the friction force, the speed of the inner ring and the speed of the outer ring are close.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a fire prevention rolling door machine device with backstop protection device, includes reduction gear box (1), its characterized in that: reduction gear case (1) internal rotation is connected with reduction gear (2), reduction gear case (1) upper end fixedly connected with motor housing (3), fixedly connected with motor (4) in motor housing (3), motor housing (3) upper end is provided with detachable stopper shell (6) through bolt (5), fixedly connected with stopper (8) in stopper shell (6), stopper shell (6) outside rotation is connected with chain (9), stopper shell (6) front end is provided with backstop (7), reduction gear case (1) outside fixedly connected with controller (10), stopper (8) upper end is provided with manual brake pole (11), and manual brake pole (11) extend toward stopper shell (6) outward.

2. A fire protection rollup door unit according to claim 1 with a backstop protection device, wherein: the speed reducer box (1), the motor shell (3) and the brake shell (6) are of concentric circle structures, and the speed reducer box (1), the motor shell (3) and the brake shell (6) are in a through design.

3. A fire protection rollup door unit according to claim 1 with a backstop protection device, wherein: the speed reducer (2) is rotationally connected with the motor (4).

4. A fire protection rollup door unit according to claim 1 with a backstop protection device, wherein: the number of the bolts (5) is 4, and the height of the bolts (5) is larger than the sum of the heights of the upper end convex block of the motor shell (3) and the lower end convex block of the brake shell (6).

5. A fire protection rollup door unit according to claim 1 with a backstop protection device, wherein: the chain (9) is made of high-quality carbon steel.

6. A fire protection rollup door unit according to claim 1 with a backstop protection device, wherein: the manual brake lever (11) and the brake (8) are in a linkage structure.