Box top shutter structure

Abstract

The utility model belongs to the technical field of ventilation equipment, and relates to a box body top shutter structure which comprises a box body frame, a plurality of fan blade assemblies are rotationally arranged on the box body frame, and when the top of the box body frame is in a closed state, every two adjacent fan blade assemblies are in lap joint with each other; a traction plate is arranged below the fan blade assembly, a driving part of the fan blade assembly is connected with the traction plate in a hinged mode, and the traction plate can move in a reciprocating mode in the horizontal direction so as to control the opening and closing states of the fan blade assembly. When the shutter structure is used, no maintenance is needed, and rainwater is physically isolated. The opening angles of the fan blades of the louver at the top of the box body are adjustable, so that various ventilation quantity requirements are met; the top of the box body can be ventilated by opening internal equipment of the shutter at the top of the box body, and rain can be effectively prevented when the shutter is closed.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation equipment and relates to a shutter structure on the top of a box body. Background Art

[0002] At present, the ventilation windows used on the top of the box are often composed of mechanical mechanisms, glass, sealing strips and other components. The sealing strips play the main sealing role. As the material ages and dust accumulates over time, rain leakage will occur. Summary of the invention

[0003] In view of the above problems, the utility model provides a box top shutter structure, which does not require any maintenance when in use and physically isolates rainwater. The fan blade opening angle of the box top shutter is adjustable to meet various ventilation volume requirements; the box top can be ventilated when the internal device of the box top shutter is opened, and can be effectively rainproof when closed.

[0004] According to the technical solution of the utility model: a box top shutter structure, characterized in that: it includes a box frame, a plurality of fan blade assemblies are rotatably arranged on the box frame, and when the top of the box frame is in a closed state, two adjacent fan blade assemblies overlap each other;

[0005] A traction plate is arranged below the fan blade assembly, and the driving part of the fan blade assembly is hingedly connected to the traction plate. The traction plate can reciprocate in the horizontal direction to control the opening and closing state of the fan blade assembly.

[0006] As a further improvement of the utility model, the fan blade assembly includes a first side plate and a second side plate arranged in parallel with each other, the first side plate and the second side plate are connected by a cover plate, the bottom surface of the cover plate is close to the second side plate and is fastened to the fixed arm, the bottom surface of the cover plate is close to the first side plate and is fastened to the linkage arm, the fixed arm and the linkage arm are respectively rotatably connected to the box frame, the linkage arm constitutes a driving part of the fan blade assembly, and the linkage arm is rotatably connected to the traction plate;

[0007] One end of the traction plate is connected to the inner wall of the box frame through a spring, and the other end of the traction plate is connected to the U-shaped plate, and the U-shaped plate is connected to the flexible shaft.

[0008] As a further improvement of the present invention, the cover plate includes a first cover plate portion and a second cover plate portion which are arranged parallel to each other, the first cover plate portion and the second cover plate portion are connected via a cover plate connecting portion, the front end of the first cover plate portion is constructed with an integrally connected first bending portion, the rear end of the second cover plate portion is constructed with an integrally connected second bending portion, the second bending portion is provided with a vertically connected horizontal baffle, and the first cover plate portion, the second cover plate portion and the horizontal baffle are arranged in a stepped shape.

[0009] As a further improvement of the utility model, when the fan blade assembly is in a closed state, between two adjacent cover plates, the second cover plate portion of the front cover plate is covered on the first cover plate portion of the rear cover plate.

[0010] As a further improvement of the utility model, the lower end of the linkage arm is bent and extended toward one side of the spring, and the upper end of the linkage arm is bent and extended toward one side of the U-shaped plate.

[0011] The technical effect of the utility model is that the utility model adopts a purely mechanical mechanism to prevent rain, the mechanism is reliable and maintenance-free. The opening angle of the fan blades of the shutter on the top of the box body is adjustable to meet various ventilation volume requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a top view of the utility model.

[0014] Figure 3 for Figure 1 AA section view.

[0015] Figure 4 for Figure 1 Middle BB section view.

[0016] Figure 5 for Figure 2 A partial enlarged view of the M in the middle.

[0017] Figure 6 This is the front view of the fan blade assembly.

[0018] Figure 7 for Figure 6 Top view of the . DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0020] Figures 1 to 7 It includes a spring 1, a fan blade assembly 2, a linkage arm 2-1, a first side plate 2-2, a cover plate 2-3, a first cover plate portion 2-31, a second cover plate portion 2-32, a cover plate connecting portion 2-33, a first bending portion 2-34, a second bending portion 2-35, a horizontal baffle 2-36, a fixed arm 2-4, a second side plate 2-5, a traction plate 3, a third bolt 4, a box frame 5, a third nut 6, a U-shaped plate 7, a flexible shaft 8, a first bolt 9, a first nut 10, a second bolt 11, a second nut 12, etc.

[0021] like Figures 1 to 7As shown, the utility model is a shutter structure on the top of the box body, which mainly plays the role of exhausting the top of the box body and preventing rain.

[0022] In order to achieve the above-mentioned purpose, the technical solution of the utility model includes a box frame 5, on which a plurality of fan blade assemblies 2 are rotatably arranged. When the top of the box frame 5 is in a closed state, two adjacent fan blade assemblies 2 overlap each other.

[0023] A traction plate 3 is arranged below the fan blade assembly 2 , and the driving part of the fan blade assembly 2 is hingedly connected to the traction plate 3 . The traction plate 3 can reciprocate in the horizontal direction to control the opening and closing state of the fan blade assembly 2 .

[0024] The fan blade assembly 2 includes a first side plate 2-2 and a second side plate 2-5 which are arranged parallel to each other. The first side plate 2-2 and the second side plate 2-5 are connected by a cover plate 2-3. The bottom surface of the cover plate 2-3 is close to the second side plate 2-5 and is fastened to the fixed arm 2-4. The bottom surface of the cover plate 2-3 is close to the first side plate 2-2 and is fastened to the linkage arm 2-1. The fixed arm 2-4 and the linkage arm 2-1 are respectively rotatably connected to the box frame 5. The linkage arm 2-1 constitutes the driving part of the fan blade assembly 2. The linkage arm 2-1 is rotatably connected to the traction plate 3.

[0025] It is understandable that in actual practice, the number of the fan blade assemblies 2 can be increased or decreased according to the size of the window, such as Figure 1 As shown, the utility model is provided with three sets of fan blade assemblies 2, wherein the two sets of fan blade assemblies corresponding to the front end of the box frame 5 are rotatably connected to the traction plate 3 through the second bolt 11 and the second nut 12 respectively; the fan blade assembly corresponding to the rear end of the box frame 5 is rotatably connected to the traction plate 3 and the U-shaped plate 7 through the first bolt 9 and the first nut 10, and the upper part of the fan blade assembly 2 is rotatably connected to the box frame 5 through the third nut 6 and the third bolt 4. Figure 7 As shown, specifically, the upper part of the linkage arm 2-1 and the fixed arm 2-4 are rotatably connected to the box frame 5 through the third bolt 4 and the third nut 6 respectively. It should be noted that in order to ensure that the fan blade assembly 2 can be smoothly opened and closed, the centers of the bolt holes of the linkage arm 2-1 and the fixed arm 2-4 are in the same horizontal plane and are coaxially arranged.

[0026] In specific practice, in order to realize the reciprocating movement of the traction plate 3 in the horizontal direction, one end of the traction plate 3 is connected to the inner wall of the box frame 5 through the spring 1, and the other end of the traction plate 3 is connected to the U-shaped plate 7, and the U-shaped plate 7 is connected to one end of the flexible shaft 8. In actual use, the other end of the flexible shaft 8 can be connected to a manual pull rod or an electric pull rod to realize manual or automatic telescopic function.

[0027] The cover plate 2-3 includes a first cover plate portion 2-31 and a second cover plate portion 2-32 which are arranged parallel to each other. The first cover plate portion 2-31 and the second cover plate portion 2-32 are connected via a cover plate connecting portion 2-33. The front end of the first cover plate portion 2-31 is structured as an integrally connected first bending portion 2-34, and the rear end of the second cover plate portion 2-32 is structured as an integrally connected second bending portion 2-35. The second bending portion 2-35 is provided with a vertically connected horizontal baffle 2-36. The first cover plate portion 2-31, the second cover plate portion 2-32 and the horizontal baffle 2-36 are arranged in a stepped manner.

[0028] When the fan blade assembly 2 is in a closed state, between two adjacent cover plates 2-3, the second cover plate portion 2-32 of the front cover plate is covered on the first cover plate portion 2-31 of the rear cover plate.

[0029] The lower end of the linkage arm 2 - 1 is bent and extended toward the spring 1 , and the upper end of the linkage arm 2 - 1 is bent and extended toward the U-shaped plate 7 .

[0030] like Figures 1 to 7 As shown, when the utility model is in operation, when the shutter is opened: the flexible shaft 8 is pulled to the right, driving the U-shaped plate 7 and the traction plate 3 to translate to the right, the spring 1 is stretched, and each fan blade assembly 2 rotates with its respective connection with the traction plate 3 as a rotating axis, and the fan blade assembly 2 is opened to exhaust air to the outside.

[0031] When closing the Venetian blinds: release the traction flexible shaft 8, the spring 1 contracts, and the spring force pulls the U-shaped plate 7 and the traction plate 3 to move to the left. The second cover plate portion 2-32 of the previous blade assembly 2 covers the first cover plate portion 2-31 of the next blade assembly. The remaining edges of the blade assembly 2 cover the upwardly protruding flange of the frame 5. The Venetian blinds are closed. A protrusion is designed above the blade assembly 2 to prevent rainwater from entering from the top. Raised flanges are set around the box frame 5 to prevent rainwater from entering from the sides of the Venetian blinds.

Claims

1. A box top shutter structure, characterized in that: It comprises a box frame (5), on which a plurality of fan blade assemblies (2) are rotatably arranged, and when the top of the box frame (5) is in a closed state, two adjacent fan blade assemblies (2) overlap each other; A traction plate (3) is arranged below the fan blade assembly (2); a driving portion of the fan blade assembly (2) is hingedly connected to the traction plate (3); and the traction plate (3) is capable of reciprocating in a horizontal direction to control the opening and closing state of the fan blade assembly (2).

2. The box top shutter structure according to claim 1, characterized in that: The fan blade assembly (2) comprises a first side plate (2-2) and a second side plate (2-5) which are arranged parallel to each other. The first side plate (2-2) and the second side plate (2-5) are connected via a cover plate (2-3). The bottom surface of the cover plate (2-3) close to the second side plate (2-5) is fastened to a fixed arm (2-4). The bottom surface of the cover plate (2-3) close to the first side plate (2-2) is fastened to a linkage arm (2-1). The fixed arm (2-4) and the linkage arm (2-1) are rotatably connected to the box frame (5) respectively. The linkage arm (2-1) constitutes a driving part of the fan blade assembly (2). The linkage arm (2-1) is rotatably connected to the traction plate (3). One end of the traction plate (3) is connected to the inner wall of the box frame (5) via a spring (1), and the other end of the traction plate (3) is connected to a U-shaped plate (7), and the U-shaped plate (7) is connected to a flexible shaft (8).

3. The box top shutter structure according to claim 2, characterized in that: The cover plate (2-3) comprises a first cover plate portion (2-31) and a second cover plate portion (2-32) which are arranged in parallel with each other; the first cover plate portion (2-31) and the second cover plate portion (2-32) are connected via a cover plate connecting portion (2-33); the front end of the first cover plate portion (2-31) is structured with an integrally connected first bending portion (2-34); the rear end of the second cover plate portion (2-32) is structured with an integrally connected second bending portion (2-35); the second bending portion (2-35) is provided with a vertically connected horizontal baffle (2-36); the first cover plate portion (2-31), the second cover plate portion (2-32) and the horizontal baffle (2-36) are arranged in a stepped manner.

4. The box top shutter structure according to claim 3, characterized in that: When the fan blade assembly (2) is in a closed state, between two adjacent cover plates (2-3), the second cover plate portion (2-32) of the front cover plate is covered on the first cover plate portion (2-31) of the rear cover plate.

5. The box top shutter structure according to claim 2, characterized in that: The lower end of the linkage arm (2-1) bends and extends toward one side of the spring (1), and the upper end of the linkage arm (2-1) bends and extends toward one side of the U-shaped plate (7).

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