Chain opening and closing device capable of synchronously controlling different strokes

By designing a chain opening and closing device that can synchronously control different strokes, and by connecting driven sprockets of different diameters with the driven components, the problem of synchronous control in traditional chain drive systems is solved, enabling precise collaborative work of multiple components, reducing equipment costs and improving system efficiency.

CN223662477UActive Publication Date: 2025-12-12AFA DOOR & WINDOW CONTROL SYST HANGZHOU CO LTD
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Patent Information

Application Number
CN202520548556.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2025-12-12
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Traditional chain drive systems struggle to synchronously control components with varying strokes, resulting in high equipment costs, large space requirements, and uncoordinated movements, which negatively impact system efficiency and stability.

Method used

The chain opening and closing device can be used to control different strokes synchronously. Through the active sprocket and multiple driven sprocket assemblies, driven sprockets of different diameters are connected to the driven components to ensure synchronous rotation. The drive motor drives the chain to operate, realizing synchronous opening or closing actions of different strokes.

Benefits of technology

It enables precise collaborative work among multiple components, reduces equipment costs, minimizes space occupation, and improves system operating efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mechanical transmission, and discloses a chain opening and closing device capable of synchronously controlling different strokes, which comprises a mounting bracket, a rotating shaft is rotationally mounted on the mounting bracket, a driving chain wheel is fixedly arranged on the outer wall of the rotating shaft, a driven chain wheel component is mounted on the mounting bracket, and a chain is arranged on the driven chain wheel component. The driven chain wheel assembly comprises a first driven chain wheel, a second driven chain wheel and a third driven chain wheel, and the driving chain wheel, the first driven chain wheel, the second driven chain wheel and the third driven chain wheel are connected with the same chain in an engaged mode. The diameters of the driven chain wheels are different, and according to the principle that the linear speeds of circular motion are equal, the larger the diameters are, the lower the rotating speed is, so that all parts connected to the first driven chain wheel, the second driven chain wheel and the third driven chain wheel can be synchronously opened or closed according to different set strokes; and the precise control requirement for cooperative work of multiple components under the complex working condition is met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical drive technical field, concretely relates to a chain opening and closing device of synchronous control different stroke. BACKGROUND

[0002] Chain drive is widely used in various mechanical drive systems because of its advantages of accurate transmission ratio, strong bearing capacity and wide adaptability.

[0003] In many industrial production, logistics transportation and mechanical equipment operation scenes, it is often necessary to control the opening and closing actions of multiple components at the same time, and these components have different functions and different required movement strokes. However, the traditional control method, such as using multiple independent drive mechanisms to control each component, not only has high equipment cost and large space occupation, but also is difficult to ensure the synchronization of the actions of each component, which may cause inconsistent sequence and uncoordinated action, thereby affecting the operation efficiency and stability of the whole system.

[0004] Therefore, the utility model is proposed. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the basic idea of the technical solution of the utility model is:

[0006] A chain opening and closing device capable of synchronously controlling different strokes, comprising a mounting bracket, a rotating shaft rotatably mounted on the mounting bracket, a driving sprocket fixedly arranged on the outer wall of the rotating shaft, a driven sprocket assembly mounted on the mounting bracket, the driven sprocket assembly comprising a first driven sprocket, a second driven sprocket and a third driven sprocket, the same chain being meshingly connected to the driving sprocket, the first driven sprocket and the driving sprocket having the same diameter, and the first driven sprocket being flush with the driving sprocket, the second driven sprocket being installed above the first driven sprocket, the third driven sprocket being installed below the first driven sprocket, the diameter of the second driven sprocket being smaller than that of the third driven sprocket, the diameter of the third driven sprocket being smaller than that of the first driven sprocket, a first guide wheel being mounted on the mounting bracket, the first guide wheel being installed at the chain bending part between the first driven sprocket and the second driven sprocket, the chain being in contact with the outer ring wall of the first guide wheel, a second guide wheel being mounted on the mounting bracket, the second guide wheel being installed at the chain bending part between the first driven sprocket and the third driven sprocket, the chain being in contact with the outer ring wall of the second guide wheel, a driving motor being fixedly mounted on the mounting bracket, and the output shaft of the driving motor being connected to the end part of the rotating shaft through a shaft coupling.

[0007] As a preferred embodiment of the utility model, the first connecting shaft is rotatably installed on the mounting bracket, and the first driven sprocket is fixedly connected to the outer wall of the first connecting shaft.

[0008] As a preferred embodiment of the utility model, the second connecting shaft is rotatably installed on the mounting bracket, and the second driven sprocket is fixedly connected to the outer wall of the second connecting shaft.

[0009] As a preferred embodiment of the utility model, the third connecting shaft is rotatably installed on the mounting bracket, and the third driven sprocket is fixedly connected to the outer wall of the third connecting shaft.

[0010] As a preferred embodiment of the utility model, the first mounting rod is installed on the mounting bracket, and the first guide wheel is installed at the end position of the first mounting rod.

[0011] As a preferred embodiment of the utility model, the second mounting rod is installed on the mounting bracket, and the second guide wheel is installed at the end position of the second mounting rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model connects each driven sprocket with the transmission shaft of the corresponding driven part, ensures synchronous rotation, then starts the driving motor to work, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the driving sprocket to rotate, so that the driving sprocket drives the chain to rotate, the chain further drives the first driven sprocket, the second driven sprocket and the third driven sprocket to rotate at different speeds.

[0014] The specific embodiments of the utility model will be further described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] In the drawings:

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is the side view structure schematic diagram of the utility model;

[0018] Fig. 3 It is the chain and first guide wheel, second guide wheel structure schematic diagram of the utility model;

[0019] Fig. 4 Figure is the connection structure diagram of the driven sprocket assembly and the chain of the utility model.

[0020] In the drawing: 1, mounting bracket; 2, rotating shaft; 3, driving sprocket; 4, first connecting shaft; 5, first driven sprocket; 6, second connecting shaft; 7, second driven sprocket; 8, third connecting shaft; 9, third driven sprocket; 10, chain; 11, first mounting rod; 12, second mounting rod; 13, driving motor; 14, first guide wheel; 15, second guide wheel. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0022] As Figs. 1 to 4 shown

[0023] The utility model provides a chain opening and closing device of different stroke can be synchronous control, including installation support 1, the rotation of installation support 1 is equipped with rotary shaft 2, and the outer wall of rotary shaft 2 is fixedly provided with driving sprocket 3, and installation support 1 is installed with driven sprocket assembly, and driven sprocket assembly includes first driven sprocket 5, second driven sprocket 7 and third driven sprocket 9, and the rotation of installation support 1 is equipped with first connecting shaft 4, and first driven sprocket 5 is fixedly connected on the outer wall of first connecting shaft 4, for the component of longer stroke, selects the first driven sprocket 5 of larger diameter and installs, installs through first connecting shaft 4 with the transmission shaft of corresponding driven component and is fixed, ensures the synchronous rotation of both, and the rotation of installation support 1 is equipped with second connecting shaft 6, and second driven sprocket 7 is fixedly connected on the outer wall of second connecting shaft 6, for the component of shorter stroke, selects the second driven sprocket 7 of smaller diameter and installs, installs through second connecting shaft 6 with the transmission shaft of corresponding driven component and is fixed, ensures the synchronous rotation of both, and the rotation of installation support 1 is equipped with third connecting shaft 8, and third driven sprocket 9 is fixedly connected on the outer wall of third connecting shaft 8, for the component of medium stroke, selects the third driven sprocket 9 of medium diameter and installs, installs through third connecting shaft 8 with the transmission shaft of corresponding driven component and is fixed, ensures the synchronous rotation of both, and the same chain 10 is meshed and is connected on driving sprocket 3, first driven sprocket 5, second driven sprocket 7 and third driven sprocket 9, and first driven sprocket 5 is same in diameter with driving sprocket 3, and first driven sprocket 5 is flat with driving sprocket 3, and second driven sprocket 7 is installed above first driven sprocket 5, and third driven sprocket 9 is installed below first driven sprocket 5, and the diameter of second driven sprocket 7 is less than the diameter of third driven sprocket 9, and the diameter of third driven sprocket 9 is less than the diameter of first driven sprocket 5, and first guide wheel 14 is installed on installation support 1, and first mounting rod 11 is installed on installation support 1, and first guide wheel 14 is installed at the end position of first mounting rod 11, and first guide wheel 14 is installed at the bending of chain 10 between first driven sprocket 5 and second driven sprocket 7, and chain 10 is contacted with the outer circle wall of first guide wheel 14, and second guide wheel 15 is installed on installation support 1, and second mounting rod 12 is installed on installation support 1, and second guide wheel 15 is installed at the end position of second mounting rod 12, and second guide wheel 15 is installed at the bending of chain 10 between first driven sprocket 5 and third driven sprocket 9, and chain 10 is contacted with the outer circle wall of second guide wheel 15, and driving motor 13 is fixedly installed on installation support 1, and the output shaft of driving motor 13 is connected at the end position of rotary shaft 2 through shaft coupling, when each driven sprocket is connected with the transmission shaft of corresponding driven component, starts driving motor 13 and works, and driving motor 13 drives rotary shaft 2 to rotate, and rotary shaft 2 drives driving sprocket 3 to rotate, makes driving sprocket 3 drive chain 10 to run, and chain 10 further drives first driven sprocket 5, second driven sprocket 7, third driven sprocket 9 to rotate at different speeds,According to the principle of equal circumferential motion linear velocity, the greater the diameter, the lower the speed, and vice versa, so that the components connected to the first driven sprocket 5, the second driven sprocket 7, and the third driven sprocket 9 can be opened or closed synchronously according to the different strokes set respectively.

[0024] The implementation principle of the chain opening and closing device of the embodiment is as follows:

[0025] In specific use, through the setting of the driven sprocket assembly, for the components with longer stroke, the first driven sprocket 5 with larger diameter is selected for installation, and when installed, the first connecting shaft 4 is fixed with the transmission shaft of the corresponding driven component to ensure synchronous rotation of the two, for the components with shorter stroke, the second driven sprocket 7 with smaller diameter is selected for installation, and when installed, the second connecting shaft 6 is fixed with the transmission shaft of the corresponding driven component to ensure synchronous rotation of the two, for the components with medium stroke, the third driven sprocket 9 with medium diameter is selected for installation, and when installed, the third connecting shaft 8 is fixed with the transmission shaft of the corresponding driven component to ensure synchronous rotation of the two, after each driven sprocket is connected with the transmission shaft of the corresponding driven component, the driving motor 13 is started to work, the driving motor 13 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the driving sprocket 3 to rotate, so that the driving sprocket 3 drives the chain 10 to operate, the chain 10 in turn drives the first driven sprocket 5, the second driven sprocket 7, and the third driven sprocket 9 to rotate at different speeds, so that the components connected to the first driven sprocket 5, the second driven sprocket 7, and the third driven sprocket 9 can be opened or closed synchronously according to the different strokes set respectively, meeting the precise control requirements of multiple components working cooperatively under complex working conditions.

Claims

1. A chain opening and closing device capable of synchronously controlling different strokes, comprising a mounting bracket (1), characterized in that, A rotating shaft (2) is rotatably mounted on the mounting bracket (1). A drive sprocket (3) is fixedly mounted on the outer wall of the rotating shaft (2). A driven sprocket assembly is mounted on the mounting bracket (1). The driven sprocket assembly includes a first driven sprocket (5), a second driven sprocket (7), and a third driven sprocket (9). The drive sprocket (3), the first driven sprocket (5), the second driven sprocket (7), and the third driven sprocket (9) are meshed with the same chain (10). The first driven sprocket (5) has the same diameter as the drive sprocket (3) and is level with the drive sprocket (3). The second driven sprocket (7) is mounted above the first driven sprocket (5), and the third driven sprocket (9) is mounted below the first driven sprocket (5). The diameter of the second driven sprocket (7) is smaller than that of the third driven sprocket (9). The diameter of the sprocket (9) is smaller than that of the first driven sprocket (5). A first guide wheel (14) is installed on the mounting bracket (1). The first guide wheel (14) is installed at the bend of the chain (10) between the first driven sprocket (5) and the second driven sprocket (7). The chain (10) is in contact with the outer ring wall of the first guide wheel (14). A second guide wheel (15) is installed on the mounting bracket (1). The second guide wheel (15) is installed at the bend of the chain (10) between the first driven sprocket (5) and the third driven sprocket (9). The chain (10) is in contact with the outer ring wall of the second guide wheel (15). A drive motor (13) is fixedly installed on the mounting bracket (1). The output shaft of the drive motor (13) is connected to the end of the rotating shaft (2) through a coupling.

2. The chain opening and closing device capable of synchronously controlling different strokes according to claim 1, characterized in that, The first connecting shaft (4) is rotatably mounted on the mounting bracket (1), and the first driven sprocket (5) is fixedly connected to the outer wall of the first connecting shaft (4).

3. The chain opening and closing device capable of synchronously controlling different strokes according to claim 1, characterized in that, The second connecting shaft (6) is rotatably mounted on the mounting bracket (1), and the second driven sprocket (7) is fixedly connected to the outer wall of the second connecting shaft (6).

4. A chain opening and closing device capable of synchronously controlling different strokes according to claim 1, characterized in that, The mounting bracket (1) is rotatably mounted with a third connecting shaft (8), and the third driven sprocket (9) is fixedly connected to the outer wall of the third connecting shaft (8).

5. A chain opening and closing device capable of synchronously controlling different strokes according to claim 1, characterized in that, The mounting bracket (1) is equipped with a first mounting rod (11), and the first guide wheel (14) is installed at the end of the first mounting rod (11).

6. A chain opening and closing device capable of synchronously controlling different strokes according to claim 1, characterized in that, The mounting bracket (1) is equipped with a second mounting rod (12), and the second guide wheel (15) is installed at the end of the second mounting rod (12).