Opening and closing driving device of explosion-proof fan cover plate

Abstract

The utility model relates to the technical field of explosion-proof fan cover plate driving, in particular to an opening and closing driving device of an explosion-proof fan cover plate, which comprises a cover plate body, four sides of the cover plate body are provided with connecting strips integrated with the cover plate body, and the inner sides of the connecting strips are fixedly provided with L-shaped first connecting blocks and second connecting blocks. A first rotating rod longitudinally inserted into the first connecting block is arranged in the first connecting block, a second rotating rod longitudinally inserted into the second connecting block is arranged in the second connecting block, the first rotating rod and the second rotating rod support and enable the cover plate body to rotate smoothly, and a transmission piece is arranged outside the first rotating rod. Two groups of rotating shaft mounting grooves and connecting mounting grooves penetrating through the structure of the transmission part are formed in the transmission part from top to bottom, the first rotating rods are arranged in the rotating shaft mounting grooves, connecting rods inserted into the connecting mounting grooves are arranged in the connecting mounting grooves, the connecting rods are of U-shaped structures, and servo electric cylinders used for controlling the connecting rods to move are arranged at the other ends of the connecting rods; and the connecting rod is inserted into a piston rod of the servo electric cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to an explosion -proof fan cover plate drive technical field especially relates to an explosion -proof fan cover plate's opening and closing drive arrangement. BACKGROUND

[0002] Explosion -proof fan is a kind of special fan specially designed to ensure safe operation in hazardous environment, mainly applied to industrial production sites and flammable gas environment such as chemical equipment, to prevent the occurrence of explosion, and explosion -proof fan cover plate is a component part of explosion -proof fan, and the main components of explosion -proof fan include shell, motor, impeller and filter screen, wherein the shell is designed with cover plate, when the cover plate is opened, explosion -proof fan allows airflow to pass through, and when the cover plate is closed, it cannot be operated for exhaust.

[0003] At present, the Chinese patent with publication number CN219407623U discloses an automatic opening and closing cover plate structure, which comprises a cover plate, the top of the cover plate is provided with a hinge seat, the hinge seat is provided with two, the two hinge seats are arranged on the top of the cover plate near the two sides, a cover plate body is arranged between one side of each hinge seat, a connecting block is arranged on the top of the cover plate body near the two sides, and a tape reel is arranged on the top of each connecting block.

[0004] The structure is essentially realized by the direct drive mode of motor to realize the opening and closing action of cover plate, but the direct drive mode has defects, when the cover plate needs to realize the opening and closing action, the driving force of the direct drive mode of motor to the cover plate is small as a whole, and the uniformity of the force on both sides of the cover plate cannot be guaranteed. UTILITY MODEL CONTENTS

[0005] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide an opening and closing drive device for explosion -proof fan cover plate, and the above technical purpose is realized by the following technical scheme:

[0006] An opening and closing drive device for explosion -proof fan cover plate, comprising a cover plate body, four edges of the cover plate body are provided with connecting strips integrated with the cover plate body, the inner side of the connecting strip is fixedly provided with L-shaped first connecting block and second connecting block, the inside of the first connecting block is provided with first rotating rod inserted longitudinally into the inside of the first connecting block, the inside of the second connecting block is provided with second rotating rod inserted longitudinally into the inside of the second connecting block, the first rotating rod and the second rotating rod support and make the cover plate body rotate smoothly, the outside of the first rotating rod is provided with transmission part, two groups of rotating shaft mounting grooves and connecting mounting grooves penetrating through the structure of the transmission part are arranged on the transmission part from top to bottom, the first rotating rod is arranged in the rotating shaft mounting groove, the connecting mounting groove is provided with connecting rod inserted into the slot, the connecting rod is U-shaped structure, the other end of the connecting rod is provided with servo electric cylinder for controlling the movement of the connecting rod, and the connecting rod is inserted into the piston rod of the servo electric cylinder.

[0007] Further, the end of the connecting rod is provided with a thread, when the connecting rod is inserted into the piston rod of the servo motor cylinder and the transmission member, the position of the thread of the connecting rod protrudes downward, so that the position of the connecting rod is locked by a nut, and the inner wall of the connection position between the connecting rod and the piston rod of the servo motor cylinder and the transmission member is provided with a connection gap.

[0008] Further, the first rotating rod is provided with a first rotating rod insertion part at the connection position of the first connecting block, the second rotating rod is provided with a second rotating rod insertion part at the connection position of the second connecting block, the shape of the second rotating rod insertion part is same as that of the first rotating rod insertion part, the first connecting block and the first rotating rod insertion part are provided with a first connecting hole penetratingly arranged therebetween, and the second connecting block and the second rotating rod insertion part are provided with a second connecting hole penetratingly arranged therebetween.

[0009] Further, the first rotating rod is provided with a bearing seat at the outer portion, the first rotating rod is assembled and fixed by a bearing in the bearing seat, and the lower end of the bearing seat is fixedly provided with a sealing seat.

[0010] Further, the upper end of the first rotating rod is provided with a first connecting bearing, and the lower end of the second rotating rod is provided with a second connecting bearing.

[0011] Further, the cylinder seat of the servo motor cylinder is welded and fixed with a motor cylinder connecting block, and the outer portion of the motor cylinder connecting block is provided with a fixed support.

[0012] In conclusion, the utility model has the following beneficial effects:

[0013] The utility model discloses a servo motor cylinder cooperates with the connecting rod and pushes out, and the rotating rod is driven to rotate through the rotatable transmission member, and finally the cover plate realizes the opening and closing action, and the whole driving and transmission mode can ensure that the cover plate is stressed greatly and uniformly, guarantees the smoothness of the opening and closing action of the cover plate, and compared with the driving mode of direct transmission driving, is more stable.

[0014] The utility model discloses a high protection level, and through setting up waterproof sealing seat, enhances waterproof level. DRAWINGS

[0015] The drawings explained here are used to provide further understanding of the utility model and constitute a part of this application, but do not constitute improper limitation to the utility model, and in the drawings:

[0016] Figure 1 It is the oblique view of the utility model;

[0017] Figure 2 It is the front view of the utility model.

[0018] In the figure, 1, cover plate body; 2, connecting strip; 3, first connecting block; 4, second connecting block; 5, first rotating rod; 6, second rotating rod; 7, transmission part; 8, servo electric cylinder; 9, first rotating rod insertion part; 10, second rotating rod insertion part; 11, first connecting hole; 12, second connecting hole; 13, bearing seat; 14, sealing seat; 15, first connecting bearing; 16, second connecting bearing; 17, electric cylinder connecting block; 18, fixed support; 19, connecting rod. DETAILED DESCRIPTION

[0019] The foregoing and other technical contents, features and effects of the present application will be described in detail below with reference to the accompanying drawings. Figure 1 to the accompanying drawings Figure 2 The detailed description of the embodiments will be clearly presented. The structural contents mentioned in the following embodiments are all referred to the drawings.

[0020] The exemplary embodiments of the present application will be described below with reference to the accompanying drawings. EMBODIMENT

[0021] A kind of explosion-proof fan cover opening and closing drive device, including cover plate body 1, the four sides of cover plate body 1 are equipped with the connecting strip 2 integrated with cover plate body 1, the inner side of one side connecting strip 2 is fixedly provided with the first connecting block 3 of L shape, second connecting block 4, the inside of first connecting block 3 is equipped with the first rotating rod 5 inserted into the inside of first connecting block 3 vertically, the inside of second connecting block 4 is equipped with the second rotating rod 6 inserted into the inside of second connecting block 4 vertically, first rotating rod 5, second rotating rod 6 support and make cover plate body 1 rotate smoothly.

[0022] The upper end of first rotating rod 5 is equipped with first connecting bearing 15, the lower end of second rotating rod 6 is equipped with second connecting bearing 16, first connecting bearing 15, second connecting bearing 16 are used to support first rotating rod 5, second rotating rod 6 respectively, so that it can smoothly carry out rotating movement, and drive cover plate body 1 to rotate.

[0023] The position of the connection of first rotating rod 5 and first connecting block 3 is equipped with first rotating rod insertion part 9, the connection position of second rotating rod 6 and second connecting block 4 is equipped with second rotating rod insertion part 10, second rotating rod insertion part 10 is same with first rotating rod insertion part 9, first connecting hole 11 is arranged through between first connecting block 3 and first rotating rod insertion part 9, second connecting hole 12 is arranged through between second connecting block 4 and second rotating rod insertion part 10, it can be realized fixed by driving screw in first connecting hole 11 and second connecting hole 12.

[0024] The first rotating rod 5 is externally provided with a transmission member 7, which is a group of block-shaped structural members, and two groups of rotating shaft mounting grooves and connecting mounting grooves are provided on the transmission member 7 from top to bottom.

[0025] A connecting rod 19 is arranged in the connecting mounting groove and inserted into the groove, the connecting rod is in U-shaped structure, the other end of the connecting rod 19 is provided with a servo electric cylinder 8 for controlling the movement of the connecting rod, and the connecting rod 19 is inserted into the piston rod of the servo electric cylinder 8.

[0026] Threaded ends are arranged at both ends of the connecting rod 19, when the connecting rod 19 is inserted into the piston rod of the servo electric cylinder 8 and the inside of the transmission member 7, the position of the connecting rod 19 provided with the threaded end protrudes downward, so that the position of the connecting rod 19 is locked by a nut, and the inner wall of the connecting part of the connecting rod 19, the piston rod of the servo electric cylinder 8 and the transmission member 7 is provided with a connecting gap.

[0027] The first rotating rod 5 is externally provided with a bearing seat 13, and the first rotating rod 5 is assembled and fixed through the bearing in the inside of the bearing seat 13, and the lower end of the bearing seat 13 is fixedly provided with a sealing seat 14, the bearing seat 13 is used for ensuring the smooth opening and closing of the cover plate body 1 without jamming, and the sealing seat 14 is used for preventing water from entering and ensuring the protection level, the bearing seat 13 and the sealing seat 14 need to be fixed in the equipment space, and the bearing seat 13 and the sealing seat 14 are not connected with the cover plate body 1.

[0028] The cylinder seat of the servo electric cylinder 8 is welded and fixed with an electric cylinder connecting block 17, and the electric cylinder connecting block 17 is externally provided with a fixed support 18.

[0029] In the embodiment of the utility model, when the explosion-proof fan needs to open the cover plate, the servo electric cylinder 8 starts to work, the servo electric cylinder 8 controls the piston rod to stretch out, when the piston rod of the servo electric cylinder 8 stretches out, the connecting rod 19 simultaneously front top, at this moment, because the positions of the first rotating rod 5 and the second rotating rod 6 are limited, the front top action of the connecting rod 19 causes the transmission member 7 to rotate, the transmission member 7 drives the first rotating rod 5 and the second rotating rod 6 to rotate synchronously, and because the connecting part of the connecting rod, the piston rod of the servo electric cylinder 8 and the transmission member 7 is not fixed, the connecting rod is adjusted at an angle in the structure of the two, therefore, the above-mentioned transmission structure is completely established, the cover plate body 1 is thus controlled to rotate, and the opening or closing operation is realized.

[0030] The above is a further detailed description of the utility model made in combination with the specific implementation, and the specific implementation of the utility model cannot be limited to this; for the person skilled in the art and the related technical field, the expansion, operation method and data replacement made on the basis of the technical scheme idea of the utility model should be within the protection scope of the utility model.

Claims

1. A drive device for opening and closing an explosion-proof fan cover, characterized in that: The utility model provides a cover plate body (1) is provided with the connecting strip (2) of integral with cover plate body (1) on four sides, the inner side of connecting strip (2) is fixedly provided with the first connecting block (3) of L shape, second connecting block (4), the inside of first connecting block (3) is provided with the first rotating lever (5) of longitudinal insertion first connecting block (3) inside, the inside of second connecting block (4) is provided with the second rotating lever (6) of longitudinal insertion second connecting block (4) inside, first rotating lever (5), second rotating lever (6) support and make cover plate body (1) rotate smoothly, the outside of first rotating lever (5) is provided with transmission part (7), transmission part (7) is provided with two groups of rotating shaft installation groove and connecting installation groove from top to bottom on transmission part (7) itself structure, first rotating lever (5) is arranged in rotating shaft installation groove, connecting installation groove is provided with connecting rod (19) inserted into slot, connecting rod (19) is U-shaped structure, the other end of connecting rod (19) is provided with servo motor cylinder (8) for controlling the movement of connecting rod, and connecting rod (19) is inserted into the piston rod of servo motor cylinder (8).

2. The opening and closing driving device of the explosion-proof fan cover plate according to claim 1, characterized in that: The end of the both ends of connecting rod (19) is provided with a thread, when connecting rod (19) is inserted into the piston rod of servo motor cylinder (8) and the inside of transmission part (7), the position of connecting rod (19) provided with a thread protrudes downward, so that the position of connecting rod (19) can be locked by nut, and the inner wall of the connecting part of connecting rod (19) and the piston rod of servo motor cylinder (8) and transmission part (7) is provided with a connecting gap.

3. The opening and closing driving device of the explosion-proof fan cover plate according to claim 1, characterized in that: The connecting position of first rotating lever (5) and first connecting block (3) is provided with first rotating lever insertion part (9), the connecting position of second rotating lever (6) and second connecting block (4) is provided with second rotating lever insertion part (10), the shape of second rotating lever insertion part (10) is same with first rotating lever insertion part (9), first connecting hole (11) is provided through the space between first connecting block (3) and first rotating lever insertion part (9), and second connecting hole (12) is provided through the space between second connecting block (4) and second rotating lever insertion part (10).

4. The opening and closing driving device of the explosion-proof fan cover plate according to claim 1, characterized in that: The outside of first rotating lever (5) is provided with bearing seat (13), and first rotating lever (5) is assembled and fixed by bearing in the inside of bearing seat (13), and the lower end of bearing seat (13) is fixedly provided with sealing seat (14).

5. The opening and closing driving device of the explosion-proof fan cover plate according to claim 1, characterized in that: The upper end of first rotating lever (5) is provided with first connecting bearing (15), and the lower end of second rotating lever (6) is provided with second connecting bearing (16).

6. The opening and closing driving device of the explosion-proof fan cover plate according to claim 1, characterized in that: The cylinder seat of servo motor cylinder (8) is welded and fixed with motor cylinder connecting block (17), and the outside of motor cylinder connecting block (17) is provided with fixed support (18).

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