Double-layer reel linkage device for roller shutter door

Abstract

The utility model discloses a double-layer reel linkage device for a roller shutter door, and relates to the technical field of roller shutter doors. The double-layer reel linkage device for the roller shutter door comprises a machine box, a reel frame is arranged on the rear side of the machine box, a first reel and a second reel are rotationally installed on the rear side of the machine box and the front side of the reel frame, a servo motor is fixedly installed on the outer wall of the rear side of the machine box, and a rotating shaft is rotationally installed on the rear side of the machine box; an output shaft of the servo motor is fixedly mounted with one end of the rotating shaft, and the linkage structure is mounted on the first reel, the second reel and the rotating shaft. According to the double-layer reel linkage device for the roller shutter door, through the linkage structure, the servo motor can drive the first reel and the second reel to rotate synchronously, the number of motors is reduced, the manufacturing cost of the roller shutter door is reduced, through the tensioning structure, the tensioning chain wheel can be pushed left and right, the chain is controlled to be tensioned, the chain can be prevented from slipping in the transmission process, and the service life of the roller shutter door is prolonged. The power can be effectively transmitted, and the transmission efficiency and precision are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roller shutter door technical field, especially in a kind of double-layer winding shaft linkage device for roller shutter door. BACKGROUND

[0002] Fireproof roller shutter door is a kind of special fireproof facilities, by fireproof cloth, winding shaft, motor, guide rail etc., is widely used in building large hole, such as open elevator hall, escalator, large-scale commercial place etc., and double-layer fireproof roller shutter door is the fireproof roller shutter door by two door curtains, compared with single-layer fireproof roller shutter door, provide stronger protection.

[0003] The existing double-layer fireproof roller shutter door in the process of use, adopt two groups of motor to drive two groups of winding shaft rotation, increase the roller shutter door manufacturing cost, therefore, provide a kind of double-layer winding shaft linkage device for roller shutter door. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of double-layer winding shaft linkage device for roller shutter door to solve the problems and defects proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of double-layer winding shaft linkage device for roller shutter door, including the machine case, the rear side of machine case is provided with winding shaft support, the rear side of machine case and the front side of winding shaft support are rotatably installed with first winding shaft and second winding shaft, the rear side inner wall of machine case is fixedly installed with servo motor, the output shaft of servo motor is fixedly installed with pivot, still include the linkage structure installed on first winding shaft, second winding shaft, pivot, by linkage structure, so that servo motor is used to drive first winding shaft, second winding shaft synchronous rotation, fixed shaft is arranged in the inside of machine case, the outer wall of fixed shaft is rotatably installed with tension sprocket, the rear side of fixed shaft and tension sprocket is provided with tension structure.

[0006] Preferably, the linkage structure includes first sprocket, second sprocket, third sprocket, chain, first sprocket is fixedly installed on the outer wall of pivot, second sprocket is fixedly installed on the outer wall of first winding shaft, third sprocket is fixedly installed on the outer wall of second winding shaft, chain is sleeved on first sprocket, second sprocket, third sprocket, so that servo motor can drive first winding shaft and second winding shaft synchronous rotation, reduce the number of motor, reduce the roller shutter door manufacturing cost.

[0007] Preferably, the first sprocket, second sprocket, third sprocket are drivenly connected by chain.

[0008] Preferably, the tensioning structure comprises a sleeve, a telescopic cylinder, a shaft bracket, a threaded rod and a knob, the sleeve is fixedly installed on the rear inner wall of the cabinet, the telescopic cylinder is slidingly installed on the inner side of the sleeve, one side of the telescopic cylinder extends to the outer side of the sleeve and is fixedly installed with the shaft bracket, the threaded rod is rotatably installed on the inner wall of one side of the cabinet, the knob is fixedly installed on one end of the threaded rod, the other side of the telescopic cylinder is threadedly installed on the outer wall of the threaded rod, and the fixed shaft is fixedly installed at one end of the rear side of the shaft bracket, so that the tensioning sprocket can be pushed left and right, the chain tension is controlled, the chain is prevented from slipping during transmission, the power can be effectively transmitted, and the transmission efficiency and precision are improved.

[0009] Preferably, the front side of the cabinet is provided with an opening, and the bottom of the opening is hingedly installed with a sealing plate.

[0010] Preferably, the front side outer wall of the sealing plate is fixedly installed with a fixing frame, the top outer wall of the cabinet is fixedly installed with a bolt, the outer wall of the bolt is threadedly installed with a wing nut, and the bottom of the wing nut is in contact with the top of the fixing frame.

[0011] Preferably, the top of the fixing frame is provided with a groove, and the bolt is located in the groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The double-layer reel linkage device for the roller shutter door drives the first reel and the second reel to synchronously rotate through the linkage structure, reduces the number of motors, reduces the manufacturing cost of the roller shutter door, pushes the tensioning sprocket left and right through the tensioning structure, controls the chain tension, prevents the chain from slipping during transmission, ensures that the power can be effectively transmitted, and improves the transmission efficiency and precision. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated in connection with the drawings and examples as follows:

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is Figure 1 It is another side structural schematic view of the utility model;

[0017] Figure 3 It is a structural schematic view of the linkage structure of the utility model;

[0018] Figure 4 It is a sectional view of the sleeve and the telescopic cylinder of the utility model.

[0019] Mark No. : 1, case; 2, reel holder; 3, first reel; 4, second reel; 5, servo motor; 6, rotating shaft; 7, first sprocket; 8, second sprocket; 9, third sprocket; 10, chain; 11, fixed shaft; 12, tension sprocket; 13, sleeve; 14, telescopic cylinder; 15, connecting shaft holder; 16, threaded rod; 17, knob; 18, sealing plate; 19, fixed frame; 20, bolt; 21, wing nut. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a double-layer reel linkage device for roller shutter door, including case 1, reel holder 2 is arranged on the back side of case 1, first reel 3 and second reel 4 are rotationally installed on the back side of case 1 with the front side of reel holder 2, servo motor 5 is fixedly installed on the back side inner wall of case 1, rotating shaft 6 is fixedly installed on the output shaft of servo motor 5, further include linkage structure installed on first reel 3, second reel 4, rotating shaft 6, by linkage structure, so that servo motor 5 is used to drive first reel 3, second reel 4 synchronous rotation, fixed shaft 11 is arranged in the inside of case 1, tension sprocket 12 is rotationally installed on the outer wall of fixed shaft 11, fixed shaft 11 and tension sprocket 12 back side is provided with tension structure.

[0022] Further, linkage structure includes first sprocket 7, second sprocket 8, third sprocket 9, chain 10, first sprocket 7 is fixedly installed on the outer wall of rotating shaft 6, second sprocket 8 is fixedly installed on the outer wall of first reel 3, third sprocket 9 is fixedly installed on the outer wall of second reel 4, chain 10 is set on first sprocket 7, second sprocket 8, third sprocket 9, start servo motor 5, the output shaft of servo motor 5 drives rotating shaft 6, first sprocket 7 rotation, first sprocket 7 drives second sprocket 8, third sprocket 9 synchronous rotation by chain 10, the synchronous rotation of second sprocket 8, third sprocket 9 drives first reel 3 and second reel 4 synchronous rotation, reduce the number of motor, reduce the manufacturing cost of roller shutter door.

[0023] Further, first sprocket 7, second sprocket 8, third sprocket 9 are transmission connected by chain 10.

[0024] Further, the tensioning structure comprises a sleeve 13, a telescopic cylinder 14, a connecting shaft support 15, a threaded rod 16, a knob 17, the sleeve 13 is fixedly installed on the inner wall of the rear side of the case 1, the telescopic cylinder 14 is slidingly installed on the inner side of the sleeve 13, one side of the telescopic cylinder 14 extends to the outer side of the sleeve 13 and is fixedly installed with the connecting shaft support 15, the threaded rod 16 is rotatably installed on the inner wall of one side of the case 1, the knob 17 is fixedly installed on one end of the threaded rod 16, the other side of the telescopic cylinder 14 is threadedly installed on the outer wall of the threaded rod 16, one end of the fixed shaft 11 is fixedly installed on the rear side of the connecting shaft support 15, the knob 17 is driven to rotate by a hand wrench, the rotation of the knob 17 drives the rotation of the threaded rod 16, the rotation of the threaded rod 16 drives the telescopic cylinder 14, the connecting shaft support 15, the fixed shaft 11 and the tensioning sprocket 12 to move rightwards, so that the tensioning sprocket 12 tensions the chain 10, the slippage of the chain 10 during transmission is prevented, the effective transmission of power is ensured, and the transmission efficiency and precision are improved.

[0025] Further, an opening is formed in the front side of the case 1, and a sealing plate 18 is hingedly installed on the bottom of the opening.

[0026] Further, a fixed frame 19 is fixedly installed on the front side outer wall of the sealing plate 18, a bolt 20 is fixedly installed on the top outer wall of the case 1, a wing nut 21 is threadedly installed on the outer wall of the bolt 20, and the bottom of the wing nut 21 is in contact with the top of the fixed frame 19.

[0027] Further, a groove is formed in the top of the fixed frame 19, and the bolt 20 is located in the groove.

[0028] Working principle: the knob 17 is driven to rotate by a hand wrench, the rotation of the knob 17 drives the rotation of the threaded rod 16, the rotation of the threaded rod 16 drives the telescopic cylinder 14, the connecting shaft support 15, the fixed shaft 11 and the tensioning sprocket 12 to move rightwards, so that the tensioning sprocket 12 tensions the chain 10, the servo motor 5 is started by the controller, the output shaft of the servo motor 5 drives the rotation of the rotating shaft 6 and the first sprocket 7, the first sprocket 7 drives the synchronous rotation of the second sprocket 8 and the third sprocket 9 through the chain 10, and the synchronous rotation of the second sprocket 8 and the third sprocket 9 drives the synchronous rotation of the first reel 3 and the second reel 4.

[0029] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skill in the art without departing from the purpose of the utility model.

Claims

1. A double-layer roller linkage device for a roller shutter, comprising a machine box (1), a roller frame (2) is arranged on the rear side of the machine box (1), a first roller (3) and a second roller (4) are rotatably installed on the rear side of the machine box (1) and the front side of the roller frame (2), a servo motor (5) is fixedly installed on the inner wall of the rear side of the machine box (1), and a rotating shaft (6) is fixedly installed on the output shaft of the servo motor (5), characterized in that, Also include: The linkage structure installed on the first reel (3), the second reel (4), the rotating shaft (6), through the linkage structure, so that the servo motor (5) is used to drive the first reel (3), the second reel (4) synchronous rotation; The fixed shaft (11) is arranged in the cabinet (1), the outer wall of the fixed shaft (11) is rotatably installed with the tension sprocket (12), and the rear side of the fixed shaft (11) and the tension sprocket (12) is provided with a tension structure.

2. A dual spool linkage for a roller shutter door according to claim 1 wherein: The linkage structure includes a first sprocket (7), a second sprocket (8), a third sprocket (9) and a chain (10), the first sprocket (7) is fixedly installed on the outer wall of the rotating shaft (6), the second sprocket (8) is fixedly installed on the outer wall of the first reel (3), the third sprocket (9) is fixedly installed on the outer wall of the second reel (4), and the chain (10) is sleeved on the first sprocket (7), the second sprocket (8) and the third sprocket (9).

3. A dual spool linkage for a roller shutter door according to claim 2 wherein: The first sprocket (7), the second sprocket (8) and the third sprocket (9) are drivingly connected through the chain (10).

4. A dual spool linkage for a roller shutter door according to claim 3 wherein: The tension structure includes a sleeve (13), a telescopic cylinder (14), a shaft bracket (15), a threaded rod (16) and a knob (17), the sleeve (13) is fixedly installed on the rear inner wall of the cabinet (1), the telescopic cylinder (14) is slidingly installed on the inner side of the sleeve (13), one side of the telescopic cylinder (14) extends to the outer side of the sleeve (13) and is fixedly installed with the shaft bracket (15), the threaded rod (16) is rotatably installed on the inner wall of one side of the cabinet (1), the knob (17) is fixedly installed on one end of the threaded rod (16), the other side of the telescopic cylinder (14) is threadedly installed on the outer wall of the threaded rod (16), and one end of the fixed shaft (11) is fixedly installed on the rear side of the shaft bracket (15).

5. A dual spool linkage for a roller shutter door according to claim 4 wherein: The front side of the cabinet (1) is provided with an opening, and the bottom of the opening is hingedly installed with a sealing plate (18).

6. A dual spool linkage for a roller shutter door according to claim 5 wherein: The front side of the sealing plate (18) is fixedly installed with a fixed frame (19), the top outer wall of the cabinet (1) is fixedly installed with a bolt (20), the outer wall of the bolt (20) is threadedly installed with a butterfly nut (21), and the bottom of the butterfly nut (21) is in contact with the top of the fixed frame (19).

7. A dual spool linkage for a roller shutter door according to claim 6 wherein: The top of the fixed frame (19) is provided with a groove, and the bolt (20) is located in the groove.

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