Sealing mechanism of floating disc in oil tank

Abstract

The utility model relates to the technical field of oil tank inner floating disc sealing, and discloses a sealing mechanism for an oil tank inner floating disc, which solves the problem that the sealing mechanism for the oil tank inner floating disc cannot be quickly sealed and unsealed in the using process, and comprises a mounting ring, and eight fixing holes are uniformly formed in the mounting ring in a penetrating manner. A cross-shaped supporting frame is fixedly mounted in the mounting ring, an annular frame is fixedly mounted at the top of the mounting ring, four connecting holes are evenly formed in the frame wall of the annular frame in a penetrating mode, an annular sealing air bag is fixedly mounted on the outer side of the annular frame, and an adjusting sealing assembly is fixedly mounted at the top of the cross-shaped supporting frame. The adjusting sealing assembly comprises a cross-shaped positioning frame, and the cross-shaped positioning frame is located over the cross-shaped supporting frame. According to the sealing mechanism for the floating disc in the oil tank, in the using process, sealing and sealing releasing operation can be rapidly conducted, and it is guaranteed that the position of the floating disc in the oil tank can be rapidly adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil tank inner floating disc sealing technical field, concretely is a kind of sealing mechanism of oil tank inner floating disc. BACKGROUND

[0002] Oil tank inner floating disc is a kind of floating type isolation device installed in the inside of storage tank, position is automatically adjusted by buoyancy with liquid level, mainly used to reduce oil evaporation loss, isolate air contact, and improve storage safety, sealing mechanism is an important component on oil tank inner floating disc, and oil tank inner floating disc sealing mechanism in the process of use, unable to seal and remove sealing operation quickly, leading to oil tank inner floating disc unable to adjust position quickly, so as not to reach better practicality. UTILITY MODEL CONTENTS

[0003] In view of the above situation, in order to overcome the defects of prior art, the utility model provides a kind of sealing mechanism of oil tank inner floating disc, effectively solve the oil tank inner floating disc sealing mechanism in the process of use, unable to seal and remove sealing operation quickly, leading to oil tank inner floating disc unable to adjust position quickly, so as not to reach better practicality problem.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of sealing mechanism of oil tank inner floating disc, including installation ring, eight fixed holes are evenly penetrated in the inside of the installation ring, cross-shaped support frame is fixedly installed in the inside of installation ring, annular frame is fixedly installed on the top of installation ring, four connecting holes are evenly penetrated in the inside of the frame wall of annular frame, annular sealing air bag is fixedly installed on the outside of annular frame, adjusting sealing assembly is fixedly installed on the top of cross-shaped support frame.

[0005] Preferably, the adjusting sealing assembly comprises a cross-shaped positioning frame, and the cross-shaped positioning frame is located directly above the cross-shaped support frame and is fixedly installed in the inner portion of the annular frame; a rotating disc is arranged directly below the cross-shaped positioning frame; a circular frame is rotatably installed on the outer side of the rotating disc; four positioning rods are uniformly fixedly installed on the bottom of the circular frame, and the bottoms of the four positioning rods are fixedly connected with the top of the cross-shaped support frame; four connecting shafts are uniformly fixedly installed on the top of the rotating disc; movable strips are rotatably installed on the connecting shafts; movable shafts are rotatably installed on the ends of the movable strips away from the connecting shafts; movable rods are fixedly installed on the sides of the movable shafts away from the movable strips; four positioning frames are uniformly fixedly installed on the inner wall of the annular frame; air holes are formed through the sides of the positioning frames close to the annular frame and are horizontally aligned with the connecting holes; compression air bags are fixedly installed in the interiors of the positioning frames; the interiors of the compression air bags are in communication with the interior of the annular sealing air bag through the air holes and the connecting holes; movable frames are arranged in the interiors of the positioning frames on the sides of the compression air bags away from the air holes; and the ends of the movable rods away from the movable shafts extend into the interiors of the positioning frames and are fixedly connected with the middle portions of the sides of the movable frames away from the compression air bags.

[0006] Preferably, the top of the cross-shaped positioning frame is fixedly installed with an adjusting motor, the outer side of the adjusting motor is provided with a sealing shell, and the sealing shell is fixedly installed on the top of the cross-shaped positioning frame; the output shaft of the adjusting motor is fixedly installed with a driving shaft rod at the bottom, the bottom of the driving shaft rod movably penetrates and extends below the cross-shaped positioning frame, the bottom end of the driving shaft rod is rotatably installed with a support shaft seat, and the support shaft seat is fixedly installed on the top of the cross-shaped support frame; and the rotating disc is fixedly installed on the outer side of the driving shaft rod.

[0007] Preferably, the two sides of the movable frame are symmetrically fixedly installed with positioning sliding blocks, and the two sides of the positioning frame are symmetrically formed with positioning sliding grooves, and the positioning sliding blocks are slidably installed in the interiors of the positioning sliding grooves.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] 1) In the working process, the mutual action of the installation ring, the fixing hole, the cross-shaped support frame, the annular frame, the annular sealing air bag and the adjusting sealing assembly enables the sealing mechanism for the oil tank inner floating disc to quickly seal and unseal during use, ensures that the oil tank inner floating disc can quickly adjust the position, and thus better practicability is achieved;

[0010] 2) In the working process, the mutual action of the positioning sliding block and the positioning sliding groove enables the movable frame to be more stable when moving, thereby ensuring that the adjusting sealing assembly can stably work. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are used to provide further understanding of the present application, and form a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0012] In the drawings:

[0013] Figure 1 It is a structural schematic view of the sealing mechanism of the oil tank inner floating disc of the present application;

[0014] Figure 2 It is a structural schematic view of the internal structure of the annular frame of the present application;

[0015] Figure 3 It is a structural schematic view of the adjusting sealing assembly of the present application;

[0016] Figure 4 It is a structural schematic view of the internal structure of the positioning frame of the present application;

[0017] Figure 5 It is a structural schematic view of the internal structure of the sealing shell of the present application.

[0018] In the drawings: 1, mounting ring; 2, fixed hole; 3, cross-shaped support frame; 4, annular frame; 5, connecting hole; 6, annular sealing air bag; 7, adjusting sealing assembly; 8, cross-shaped positioning frame; 9, rotating disc; 10, circular frame; 11, positioning rod; 12, connecting shaft; 13, movable strip; 14, movable shaft; 15, movable rod; 16, positioning frame; 17, air hole; 18, compressed air bag; 19, movable frame; 20, adjusting motor; 21, sealing shell; 22, driving shaft; 23, support shaft seat; 24, positioning sliding block; 25, positioning sliding groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Embodiment one, by Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model relates to a kind of sealing mechanism of oil tank inner floating disc, including mounting ring 1, eight fixed holes 2 are evenly penetrated in the inside of mounting ring 1, cross-shaped support frame 3 is fixedly installed in the inside of mounting ring 1, annular frame 4 is fixedly installed on the top of mounting ring 1, four connecting holes 5 are evenly penetrated in the inside of the frame wall of annular frame 4, annular sealing air bag 6 is fixedly installed on the outside of annular frame 4, adjusting sealing assembly 7 is fixedly installed on the top of cross-shaped support frame 3;

[0021] Adjusting sealing assembly 7 includes cross-shaped positioning frame 8, and cross-shaped positioning frame 8 is located directly above cross-shaped support frame 3, cross-shaped positioning frame 8 is fixedly installed in the inside of annular frame 4, rotating disc 9 is provided below cross-shaped positioning frame 8, circular frame 10 is rotatably installed on the outside of rotating disc 9, four positioning rods 11 are fixedly installed on the bottom of circular frame 10, and the bottom of the four positioning rods 11 is fixedly connected with the top of cross-shaped support frame 3, adjusting motor 20 is fixedly installed on the top of cross-shaped positioning frame 8, sealing housing 21 is provided on the outside of adjusting motor 20, and sealing housing 21 is fixedly installed on the top of cross-shaped positioning frame 8, drive shaft rod 22 is fixedly installed on the output shaft bottom of adjusting motor 20, and drive shaft rod 22 is movably penetrated and extends below cross-shaped positioning frame 8, support shaft seat 23 is rotatably installed on the bottom end of drive shaft rod 22, and support shaft seat 23 is fixedly installed on the top of cross-shaped support frame 3, rotating disc 9 is fixedly installed on the outside of drive shaft rod 22;

[0022] Rotating disc 9 is fixedly installed with four connecting shafts 12 on the top, connecting shaft 12 is rotatably installed with movable strip 13, movable strip 13 is rotatably installed with movable shaft 14 on the end away from connecting shaft 12, movable shaft 14 is fixedly installed with movable rod 15 on the side away from movable strip 13, four positioning frames 16 are fixedly installed on the inner wall of annular frame 4, air hole 17 is penetrated on the side close to annular frame 4 of positioning frame 16, and air hole 17 is horizontally aligned with connecting hole 5, compression air bag 18 is fixedly installed in the inside of positioning frame 16, and the inside of compression air bag 18 is communicated with the inside of annular sealing air bag 6 through air hole 17 and connecting hole 5, movable frame 19 is arranged in the inside of positioning frame 16 and on the side away from air hole 17 of compression air bag 18, and the end away from movable shaft 14 of movable rod 15 extends to the inside of positioning frame 16 and is fixedly connected with the middle part of the side away from compression air bag 18 of movable frame 19, positioning slide block 24 is fixedly installed on the two sides of movable frame 19, positioning sliding groove 25 is penetrated on the two sides of positioning frame 16, and positioning slide block 24 is slidably installed in the inside of positioning sliding groove 25.

[0023] In use, through the interaction of the installed ring 1, the fixing hole 2, the cross-shaped support frame 3, the annular frame 4, the annular sealing air bag 6 and the adjusting sealing assembly 7, the sealing mechanism for the inner floating plate of the oil tank can quickly seal and unseal during use, ensuring that the inner floating plate of the oil tank can quickly adjust the position, thereby achieving better practicality. Through the interaction of the positioning sliding block 24 and the positioning sliding groove 25, the movable frame 19 can be moved stably, thereby ensuring that the adjusting sealing assembly 7 can work stably.

[0024] Working principle: when working, first, the installed ring 1 is fixedly installed on the top of the inner floating plate of the oil tank by using the fixing bolt with a diameter matching that of the fixing hole 2. Then, when sealing is needed, the adjusting motor 20 is started to drive the driving shaft 22 to rotate, the driving shaft 22 drives the rotating disc 9 to rotate inside the circular frame 10, the rotating disc 9 drives the connecting shaft 12 to move, the connecting shaft 12 drives the movable bar 13 to move, the movable bar 13 pushes the movable rod 15 to move through the movable shaft 14, the movable rod 15 drives the movable frame 19 to move inside the positioning frame 16, and the movable frame 19 drives the positioning sliding block 24 to slide inside the positioning sliding groove 25, thereby ensuring that the movable frame 19 can move stably. At the same time, the movable frame 19 moves to extrude the compression air bag 18, the air inside the compression air bag 18 enters the inside of the annular sealing air bag 6 through the air hole 17 and the connecting hole 5, the annular sealing air bag 6 expands, the outside of the annular sealing air bag 6 tightly contacts the inner wall of the oil tank, and the inner floating plate of the oil tank and the oil tank are sealed. When unsealing is needed, the adjusting motor 20 is started to rotate in the opposite direction, thereby enabling the sealing mechanism for the inner floating plate of the oil tank to quickly seal and unseal during use, ensuring that the inner floating plate of the oil tank can quickly adjust the position, thereby achieving better practicality.

Claims

1. A sealing mechanism for an oil tank's floating roof, comprising a mounting ring (1), characterized in that: The inside of the mounting ring (1) is uniformly provided with eight fixing holes (2), and the inside of the mounting ring (1) is fixedly provided with a cross-shaped support frame (3). The top of the mounting ring (1) is fixedly provided with an annular frame (4), and the inside of the frame wall of the annular frame (4) is uniformly provided with four connecting holes (5). The outer side of the annular frame (4) is fixedly provided with an annular sealing air bag (6), and the top of the cross-shaped support frame (3) is fixedly provided with an adjusting sealing assembly (7).

2. A seal mechanism for an oil tank's floating roof according to claim 1, characterized in that: The adjusting sealing assembly (7) comprises a cross-shaped positioning frame (8), which is located directly above the cross-shaped support frame (3) and is fixedly installed in the inside of the annular frame (4). A rotating disc (9) is arranged directly below the cross-shaped positioning frame (8), and a circular frame (10) is rotatably installed on the outer side of the rotating disc (9). Four positioning rods (11) are fixedly installed on the bottom of the circular frame (10), and the bottoms of the four positioning rods (11) are fixedly connected with the top of the cross-shaped support frame (3). Four connecting shafts (12) are fixedly installed on the top of the rotating disc (9), and a movable strip (13) is rotatably installed on the connecting shaft (12). An activity shaft (14) is rotatably installed on the end of the movable strip (13) away from the connecting shaft (12). An activity rod (15) is fixedly installed on the side of the activity shaft (14) away from the movable strip (13). Four positioning frames (16) are fixedly installed on the inner wall of the annular frame (4). Air holes (17) are formed in the side of the positioning frame (16) close to the annular frame (4), and the air holes (17) are horizontally aligned with the connecting holes (5). A compressed air bag (18) is fixedly installed in the inside of the positioning frame (16), and the inside of the compressed air bag (18) is communicated with the inside of the annular sealing air bag (6) through the air holes (17) and the connecting holes (5). An activity frame (19) is arranged in the inside of the positioning frame (16) and on the side of the compressed air bag (18) away from the air hole (17), and the end of the activity rod (15) away from the activity shaft (14) extends into the inside of the positioning frame (16) and is fixedly connected with the middle of the side of the activity frame (19) away from the compressed air bag (18).

3. A seal mechanism for an oil tank's floating roof according to claim 2, characterized in that: The top of the cross-shaped positioning frame (8) is fixedly provided with an adjusting motor (20), and the outer side of the adjusting motor (20) is provided with a sealing shell (21), which is fixedly installed on the top of the cross-shaped positioning frame (8). The output shaft of the adjusting motor (20) is fixedly provided with a driving shaft rod (22), and the bottom of the driving shaft rod (22) is movably penetrated and extends below the cross-shaped positioning frame (8). The bottom end of the driving shaft rod (22) is rotatably provided with a support shaft seat (23), which is fixedly installed on the top of the cross-shaped support frame (3). The rotating disc (9) is fixedly installed on the outer side of the driving shaft rod (22).

4. A seal mechanism for an oil tank's floating roof according to claim 2, characterized in that: The two sides of the activity frame (19) are symmetrically fixedly provided with positioning sliding blocks (24), and the two sides of the positioning frame (16) are symmetrically provided with positioning sliding grooves (25), and the positioning sliding blocks (24) are slidably installed in the inside of the positioning sliding grooves (25).

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