Multi-stage synchronous movement structure of protective door

Abstract

The utility model discloses a multi-stage synchronous motion structure of a protective door, which comprises a door frame, the outer wall of the door frame is movably connected with a support shaft, the outer wall of the support shaft is fixedly connected with a movable block, one side of the movable block is fixedly connected with a door body, and the top of the support shaft is fixedly connected with a driven wheel. A transmission belt is arranged on the outer wall of the driven wheel, a driving wheel is arranged at one end of the transmission belt, a connecting shaft is fixedly connected to the inner wall of the driving wheel, and a cylindrical gear is fixedly connected to the top of the connecting shaft; according to the device, by arranging the door frame, the supporting shaft, the movable block, the driven wheel, the transmission belt, the driving wheel, the connecting shaft, a cylindrical gear, an electric push rod, a movable rod and a door body, electric adjustment work is facilitated, so that the convenience of opening and closing is improved, and the problems that operation is tedious and the cost is high due to manual opening are solved. And the problem of low safety caused by manual opening is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical direction of protective doors, and particularly relates to a multi-stage synchronous movement structure of a protective door. Background Art

[0002] Protective doors are doors that protect specific areas. They are widely used in protection in various fields. With the continuous development of technology, protective doors have ushered in rapid development, resulting in more and more types of protective doors.

[0003] Existing protective doors are not easy to open and close automatically when in use, which leads to potential safety hazards when opening or closing them manually, and makes manual operation more cumbersome and laborious. This phenomenon has become a problem that needs to be solved urgently by people in this field. Utility Model Content

[0004] The purpose of the present invention is to provide a multi-stage synchronous movement structure of a protective door in view of the existing technology, so as to solve the problems raised in the above background technology.

[0005] The top of the door frame is fixedly connected to the electric push rod, and the movable end of the electric push rod is fixedly connected to the movable rod. By arranging the door frame, the support shaft, the movable block, the driven wheel, the transmission belt, the driving wheel, the connecting shaft, the cylindrical gear, the electric push rod, the movable rod and the door body, the electric push rod is convenient to operate, thereby improving the convenience of opening and closing, solving the cumbersome operation caused by manual opening and avoiding the problem of low safety caused by manual opening.

[0006] Furthermore, the movable block is distributed in an "L" shape when viewed from above, and the movable block is rotatably connected to the door frame through a support shaft, which makes it convenient for the movable block to drive the door body to rotate.

[0007] Furthermore, the driven wheel forms a linkage structure with the driving wheel through a transmission belt, and the driving wheel forms a linkage structure with the cylindrical gear through a connecting shaft, which facilitates the cylindrical gear to drive the driven wheel to rotate.

[0008] Furthermore, the movable rod has an "H"-shaped structure when viewed from above, and the movable rod and the cylindrical gear form a sliding structure, which facilitates the movable rod to drive the cylindrical gear to rotate after sliding.

[0009] Furthermore, tooth blocks are set at equal intervals on one side of one end of the movable rod, and tooth blocks are set at equal intervals on the other side of the other end of the movable rod. The movable rod is engaged with two cylindrical gears through the tooth blocks at both ends, which facilitates driving the two cylindrical gears to rotate in different directions.

[0010] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0011] (1) By providing a door frame, a supporting shaft, a movable block, a driven wheel, a transmission belt, a driving wheel, a connecting shaft, a cylindrical gear, an electric push rod, a movable rod and a door body, the work of electric adjustment is facilitated, thereby improving the convenience of opening and closing, solving the cumbersome operation caused by manual opening, and avoiding the problem of low safety caused by manual opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This utility model Figure 1 A in the middle is an enlarged schematic diagram;

[0015] Figure 3 It is a top view schematic diagram of the present utility model.

[0016] In the figure: 1. Door frame; 2. Support shaft; 3. Movable block; 4. Driven pulley; 5. Transmission belt; 6. Driving pulley; 7. Connecting shaft; 8. Cylindrical gear; 9. Electric push rod; 10. Movable rod; 11. Door body. DETAILED DESCRIPTION

[0017] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0018] See also Figure 1-3The utility model provides a technical solution: a multi-stage synchronous movement structure of a protective door, including a door frame 1, the outer wall of the door frame 1 is movably connected to the support shaft 2, the outer wall of the support shaft 2 is fixedly connected to the movable block 3, one side of the movable block 3 is fixedly connected to the door body 11, the top of the support shaft 2 is fixedly connected to the driven wheel 4, the outer wall of the driven wheel 4 is provided with a transmission belt 5, one end of the transmission belt 5 is provided with a driving wheel 6, the inner wall of the driving wheel 6 is fixedly connected to the connecting shaft 7, the top of the connecting shaft 7 is fixedly connected to the cylindrical gear 8, the top of the door frame 1 is fixedly connected to an electric push rod 9, and the movable end of the electric push rod 9 is fixedly connected to the movable rod 10. By providing the door frame 1, the support shaft 2, the movable block 3, the driven wheel 4, the transmission belt 5, the driving wheel 6, the connecting shaft 7, the cylindrical gear 8, the electric push rod 9, the movable rod 10 and the door body 11, the work of electric adjustment is facilitated, thereby improving the convenience when opening and closing, solving the cumbersome operation caused by manual opening, and avoiding the problem of low safety caused by manual opening.

[0019] Furthermore, the movable block 3 is distributed in an "L" shape when viewed from above, and the movable block 3 is rotatably connected to the door frame 1 through the support shaft 2, which makes it convenient for the movable block 3 to drive the door body 11 to rotate.

[0020] Furthermore, the driven wheel 4 forms a linkage structure with the driving wheel 6 through the transmission belt 5, and the driving wheel 6 forms a linkage structure with the cylindrical gear 8 through the connecting shaft 7, which facilitates the cylindrical gear 8 to drive the driven wheel 4 to rotate.

[0021] Furthermore, the movable rod 10 has an H-shaped structure when viewed from above, and the movable rod 10 and the cylindrical gear 8 form a sliding structure, which facilitates the movable rod 10 to drive the cylindrical gear 8 to rotate after sliding.

[0022] Furthermore, gear blocks are evenly spaced on one side of one end of the movable rod 10, and gear blocks are evenly spaced on the other side of the other end of the movable rod 10. The movable rod 10 is engaged with the two cylindrical gears 8 through the gear blocks at both ends, which facilitates driving the two cylindrical gears 8 to rotate in different directions.

[0023] When in use, first start the electric push rod 9, so that the electric push rod 9 drives the movable rod 10 to rotate, so that the movable rod 10 drives the two cylindrical gears 8 to rotate in opposite directions through the tooth blocks set on the inner walls of different sides at both ends, so that the cylindrical gear 8 drives the connecting shaft 7 to rotate, so that the connecting shaft 7 drives the driving wheel 6 to rotate, so that the driving wheel 6 drives the transmission belt 5 to slide, so that the transmission belt 5 drives the driven wheel 4 to rotate, so that the driven wheel 4 drives the support shaft 2 to rotate, so that the support shaft 2 drives the movable block 3 to rotate, so that the movable block 3 drives the two door bodies 11 to rotate and then open or close, which effectively improves the convenience of operation.

[0024] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0025] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A multi-stage synchronous movement structure for a protective door, comprising a door frame (1), characterized in that: The outer wall of the door frame (1) is movably connected to a support shaft (2), the outer wall of the support shaft (2) is fixedly connected to a movable block (3), one side of the movable block (3) is fixedly connected to a door body (11), the top of the support shaft (2) is fixedly connected to a driven wheel (4), the outer wall of the driven wheel (4) is provided with a transmission belt (5), one end of the transmission belt (5) is provided with a driving wheel (6), the inner wall of the driving wheel (6) is fixedly connected to a connecting shaft (7), the top of the connecting shaft (7) is fixedly connected to a cylindrical gear (8), the top of the door frame (1) is fixedly connected to an electric push rod (9), and the movable end of the electric push rod (9) is fixedly connected to a movable rod (10).

2. The multi-stage synchronous movement structure of a protective door according to claim 1, characterized in that: The movable block (3) is distributed in an "L" shape when viewed from above, and the movable block (3) is rotatably connected to the door frame (1) via a support shaft (2).

3. The multi-stage synchronous movement structure of a protective door according to claim 1, characterized in that: The driven wheel (4) forms a linkage structure with the driving wheel (6) via a transmission belt (5), and the driving wheel (6) forms a linkage structure with the cylindrical gear (8) via a connecting shaft (7).

4. The multi-stage synchronous movement structure of a protective door according to claim 1, characterized in that: The movable rod (10) is in an "H"-shaped structure when viewed from above, and the movable rod (10) and the cylindrical gear (8) form a sliding structure.

5. The multi-stage synchronous movement structure of a protective door according to claim 1, characterized in that: One side of one end of the movable rod (10) is provided with tooth blocks at equal intervals, and the other side of the other end of the movable rod (10) is provided with tooth blocks at equal intervals.

6. The multi-stage synchronous movement structure of a protective door according to claim 5, characterized in that: The movable rod (10) is meshed with two cylindrical gears (8) via tooth blocks at both ends.

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