A half type chain wheel synchronous belt door assembly device

Abstract

The utility model relates to automatic roller shutter technical field especially relates to a half formula sprocket synchronous belt door assembly device, include: roof rack, reel, power part and sprocket drive part, roof rack is half U type structure is equipped with chain groove and reel mounting hole, reel is divided into the first axle section and second axle section of different diameters, and second axle section passes through mounting hole, power part drives reel rotation, sprocket drive part includes splicing sprocket and chain, and splicing sprocket is by two symmetrical splicing half wheels through the fixed constitution of positioning protruding, recess and bolt, and sprocket block is equipped with reinforcing rib to improve the strength. Roof rack both ends are equipped with chain constraint wheel, and chain outside side is equipped with synchronous belt. The utility model simplifies the dismounting maintenance process through split type sprocket design, reduces the replacement cost, and through constraint wheel and synchronous belt enhances transmission stability, effectively solved the traditional roller shutter door chain easy to fall off, maintenance complex and the problem of difficult replacement of vulnerable parts.

Description

Technical Field

[0001] This utility model relates to the field of automatic roller shutter technology, and in particular to a half-type sprocket synchronous belt door assembly device. Background Technology

[0002] Roller shutters, as a common building door and window device, are widely used in commercial, industrial, and civil buildings, offering advantages such as space saving, convenient operation, and high security. Traditional roller shutters often use single-sided chain drive or direct motor drive, but in practical applications, these structures often suffer from problems such as chain detachment, complex installation and maintenance, and difficulty in replacing easily damaged parts.

[0003] In the existing technology, the sprocket drive part of the roller shutter door usually adopts an integral sprocket design. Although this structure is simple, the entire sprocket needs to be disassembled during installation and maintenance, which is cumbersome. Moreover, once the sprocket teeth are worn, the entire sprocket needs to be replaced, which increases the cost of use. Utility Model Content

[0004] Therefore, this utility model provides a solution to overcome the problem of sprockets being difficult to replace in the prior art.

[0005] To achieve the above objectives, this utility model provides a half-type sprocket synchronous belt gate assembly device, comprising:

[0006] The top frame is a semi-U-shaped structure, including a chain groove and a spool mounting hole located at the bend of the semi-U-shape;

[0007] A reel, comprising a first shaft segment and a second shaft segment, the second shaft segment passing through a mounting hole in the reel, wherein the diameter of the first shaft segment is larger than that of the second shaft segment;

[0008] A power unit is disposed on the side of the second shaft segment of the spool away from the first shaft segment, and is used to drive the spool to rotate;

[0009] The sprocket drive unit includes a spliced ​​sprocket disposed on the spool near the mounting hole on the side away from the power unit, and a chain disposed in the chain groove and meshing with the spliced ​​sprocket.

[0010] Furthermore, the splicing sprocket is formed by splicing two splicing half-wheels with the same central symmetric structure.

[0011] Furthermore, the splicing half-wheel includes a sprocket block and a sprocket seat, with the sprocket block fixedly connected to the sprocket seat.

[0012] Furthermore, the sprocket seat has a sprocket groove on the side near the sprocket shaft, and a symmetrical keyway is provided in the sprocket groove along the vertical direction of the splicing half-wheels. A positioning protrusion is provided above the keyway, and a positioning groove is provided at the corresponding position on the other end of the sprocket seat away from the positioning protrusion. The positioning protrusion of the splicing half-wheel and the positioning groove of the other splicing half-wheel cooperate to form a splicing sprocket. Splicing holes are provided at the four corners of the sprocket seat along the splicing direction of the splicing half-wheels, and the two splicing half-wheels are fixed by bolts passing through the splicing holes.

[0013] Furthermore, the sprocket block is provided with radial reinforcing ribs along the spool groove.

[0014] Furthermore, the power unit includes a drive motor and a gearbox. The fixed end of the drive motor is mounted on the top frame, the power output end of the drive motor is connected to the power input end of the gearbox, and the gearbox speed output end is connected to the reel.

[0015] Furthermore, a pair of chain constraint wheels are respectively provided at the top and bottom of the top frame.

[0016] Furthermore, the characteristic feature is that a synchronous belt is provided at the end of the chain of the sprocket drive unit away from the chain teeth.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] The split-type sprocket design makes disassembly and maintenance more convenient, significantly reducing repair time and costs. Precise matching of positioning protrusions and grooves ensures sprocket splicing accuracy and improves transmission reliability. Reinforcing ribs enhance the mechanical strength of the sprocket blocks and extend their service life. The dual constraint mechanism of the chain restraint wheel and synchronous belt effectively prevents chain slippage and improves operational stability. The modular design facilitates component replacement; when a local component is damaged, only the corresponding part needs to be replaced, eliminating the need for complete replacement. The semi-U-shaped top frame structure optimizes space layout and adapts to different installation environments. The power unit uses a combination of motor and gearbox, allowing for precise control by adjusting the reel speed according to actual needs. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a half-type sprocket synchronous belt door assembly device according to an embodiment of the present utility model;

[0020] Figure 2 This is a rear view of a half-type sprocket synchronous belt door assembly device according to an embodiment of the present utility model;

[0021] Figure 3 This is a right view of a half-type sprocket synchronous belt door assembly device according to an embodiment of the present utility model;

[0022] Figure 4This is a schematic diagram showing the detailed structure of the spliced ​​sprocket in an embodiment of this utility model;

[0023] 1. Top frame; 11. Chain groove; 12. Reel mounting hole; 2. Reel; 21. First shaft section; 22. Second shaft section; 3. Power unit; 4. Splicing sprocket; 41. Chain; 42. Splicing half-wheel; 421. Sprocket block; 422. Sprocket seat; 4221. Reel groove; 4222. Keyway; 4223. Positioning protrusion; 4224. Positioning groove; 4225. Splicing hole; 423. Reinforcing rib; 31. Drive motor; 32. Gearbox; 13. Chain restraint wheel; 43. Synchronous belt. Detailed Implementation

[0024] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0026] In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0027] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0028] This utility model discloses a half-type sprocket synchronous belt door assembly device to solve problems such as easy chain detachment in roller shutter doors, complex installation and maintenance, and difficulty in replacing vulnerable parts.

[0029] Please see Figure 1-4The following are schematic diagrams of the overall structure of a half-sprocket synchronous belt door assembly device according to an embodiment of the present invention: rear view of a half-sprocket synchronous belt door assembly device according to an embodiment of the present invention; right view of a half-sprocket synchronous belt door assembly device according to an embodiment of the present invention; and detailed structural schematic diagram of the spliced ​​sprocket according to an embodiment of the present invention.

[0030] An embodiment of this utility model provides a half-type sprocket synchronous belt gate assembly device, comprising:

[0031] Top frame 1, top frame 1 is a semi-U-shaped structure, including chain groove 11 and mounting hole 12 of scroll 2 provided at the bend of the semi-U-shape;

[0032] The reel 2 includes a first shaft segment 21 and a second shaft segment 22, the second shaft segment 22 passing through the mounting hole 12 of the reel 2, wherein the diameter of the first shaft segment 21 is larger than that of the second shaft segment 22;

[0033] The power unit 3 is disposed on the side of the second shaft section 22 of the spool 2 away from the first shaft section 21, and is used to drive the spool 2 to rotate.

[0034] The sprocket drive unit includes a spliced ​​sprocket 4 disposed on the side of the spool 2 near the mounting hole away from the power unit 3, and a chain 41 disposed in the chain groove 11 and meshing with the spliced ​​sprocket 4.

[0035] Specifically, the splicing sprocket 4 is composed of two splicing half-wheels 42 with the same central symmetric structure. It can be understood that the splicing sprocket 4 is a vulnerable part in the device. With this design, when the sprocket teeth wear down, only the damaged splicing half-wheel 42 needs to be replaced, instead of replacing the entire sprocket, which significantly reduces maintenance costs.

[0036] Specifically, the splicing half-wheel 42 includes a sprocket block 421 and a sprocket seat 422, with the sprocket block 421 fixedly connected to the sprocket seat 422.

[0037] Specifically, the sprocket seat 422 has a sprocket 2 groove on the side near the sprocket 2. The sprocket 2 groove has symmetrical keyways 4222 along the vertical direction of the splicing of the splicing half-wheels 42. A positioning protrusion 4223 is provided above the keyway 4222. A positioning groove 4224 is provided at the corresponding position on the other end of the sprocket seat 422 away from the positioning protrusion 4223. The positioning protrusion 4223 of the splicing half-wheel 42 and the positioning groove 4224 of the other splicing half-wheel 42 cooperate to form a splicing sprocket 4. The four corners of the sprocket seat 422 have splicing holes 4225 along the splicing direction of the splicing half-wheels 42. The two splicing half-wheels 42 are fixed by bolts passing through the splicing holes 4225. The split design significantly simplifies the sprocket maintenance process. This modular design not only reduces maintenance costs but also greatly shortens equipment downtime. The precise fit between the positioning protrusion 4223 and the positioning groove 4224 ensures that the spliced ​​sprocket has the same transmission accuracy as the integral sprocket. At the same time, the keyway 4222 structure effectively prevents relative rotation between the sprocket and the reel 2.

[0038] Specifically, the sprocket block 421 is provided with radial reinforcing ribs 423 along the groove of the spool 2. This design of reinforcing ribs 423 effectively improves the mechanical strength of the sprocket block 421, enabling it to withstand greater transmission loads and extend its service life.

[0039] Specifically, the power unit 3 includes a drive motor 31 and a gearbox 32. The fixed end of the drive motor 31 is mounted on the top frame 1, the power output end of the drive motor 31 is connected to the power input end of the gearbox 32, and the speed output end of the gearbox 32 is connected to the reel 2.

[0040] Specifically, a pair of chain 41 constraint wheels are respectively provided at the top and bottom of the top frame 1. In this way, the chain 41 constraint wheels prevent the chain 41 from falling off and improve the stability of the half-type sprocket synchronous belt door assembly device.

[0041] Specifically, a timing belt is provided at the end of the chain 41 of the sprocket drive unit away from the chain teeth, and the addition of the timing belt further improves the transmission efficiency.

[0042] For those skilled in the art, based on the ideas of the embodiments of this utility model, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A half type chain wheel synchronous belt door assembly device, characterized in that, It includes: The top frame is a semi-U-shaped structure, including a chain groove and a spool mounting hole located at the bend of the semi-U-shape; A reel, comprising a first shaft segment and a second shaft segment, the second shaft segment passing through a mounting hole in the reel, wherein the diameter of the first shaft segment is larger than that of the second shaft segment; A power unit is disposed on the side of the second shaft segment of the spool away from the first shaft segment, and is used to drive the spool to rotate; The sprocket drive unit includes a spliced ​​sprocket disposed on the spool near the mounting hole on the side away from the power unit, and a chain disposed in the chain groove and meshing with the spliced ​​sprocket.

2. A device for assembling a half type synchronous belt door according to claim 1, characterized in that, The splicing sprocket is composed of two splicing half-wheels with identical centrally symmetrical structures.

3. A half type chain wheel synchronous belt door assembly device according to claim 2, characterized in that, The spliced ​​half-wheel includes a sprocket block and a sprocket seat, with the sprocket block fixedly connected to the sprocket seat.

4. A device for assembling a half type synchronous belt door according to claim 3, characterized in that, The sprocket seat has a sprocket groove on the side near the sprocket shaft. The sprocket groove has symmetrical keyways along the vertical direction of the splicing half-wheels. A positioning protrusion is provided above the keyways. A positioning groove is provided at the corresponding position on the other end of the sprocket seat away from the positioning protrusion. The positioning protrusion of the splicing half-wheel and the positioning groove of the other splicing half-wheel cooperate to form a splicing sprocket. The four corners of the sprocket seat have splicing holes along the splicing direction of the splicing half-wheels. The two splicing half-wheels are fixed by bolts passing through the splicing holes.

5. A half type chain wheel synchronous belt door assembly device according to claim 4, characterized in that, The sprocket block is provided with radial reinforcing ribs along the spool groove.

6. A half type chain wheel synchronous belt door assembly device according to claim 5, characterized in that, The power unit includes a drive motor and a gearbox. The fixed end of the drive motor is mounted on the top frame, the power output end of the drive motor is connected to the power input end of the gearbox, and the gearbox speed output end is connected to the reel.

7. A half type chain wheel synchronous belt door assembly device according to claim 6, characterized in that, A pair of chain restraint wheels are respectively provided at the top and bottom of the top frame.

8. A half type chain wheel synchronous belt door assembly device according to claim 7, characterized in that, A timing belt is provided at the end of the chain away from the chain teeth of the sprocket drive unit.

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