Connecting sealing element structure of gas storage tank body

Abstract

The utility model discloses a gas storage tank body connecting sealing piece structure which comprises a sealing connecting pipe, sealing installation pipes, a sealing outer pipe and a gas storage tank body connecting pipe, the top end and the bottom end of the sealing connecting pipe are fixedly connected with the sealing installation pipes, and the outer side of the sealing connecting pipe is fixedly connected with the sealing outer pipe. The sealing connecting pipe has the advantages that the reinforcing inner sleeve and the inner reinforcing frame are arranged, so that the sealing stability is guaranteed through the reinforcing inner sleeve and the inner reinforcing frame when gas in the sealing connecting pipe expands with heat and contracts with cold, and the overall sealing effect of the sealing connecting pipe and the sealing mounting pipe is improved; when the internal thread inner sleeve and the external thread face on the outer side of the gas storage tank connecting pipe are in threaded installation, the inclined face clamping blocks enter the limiting annular grooves for limiting, the situation that threads are disengaged after the gas storage tank connecting pipe is installed is prevented, and the sealing effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of gas storage tanks, in particular to a gas storage tank body connection sealing structure. Background Art

[0002] The gas storage tank stores gas at a certain pressure, especially for storage tanks for storing liquefied gas. When storing gas in existing gas storage tanks, the gas is affected by thermal expansion and contraction. The temperature can easily affect the sealing degree of the gas storage tank body connection sealing structure. The gas contraction can easily cause the gas pressure to drop, resulting in a gap between the gas storage tank body connection sealing structure and the gas storage tank body, which can easily lead to sealing failure and gas leakage in the gas storage tank body. Utility Model Content

[0003] The utility model aims to provide a gas storage tank body connection sealing structure to solve the problem that the gas is affected by thermal expansion and contraction proposed in the above-mentioned background technology, and the temperature can easily affect the sealing degree of the gas storage tank body connection sealing structure. The gas contraction can easily cause the gas pressure to drop, resulting in a gap between the gas storage tank body connection sealing structure and the gas storage tank body, which can easily lead to sealing failure and gas leakage in the gas storage tank body.

[0004] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a gas storage tank body connection sealing structure, comprising a sealing connecting pipe, a sealing installation pipe, a sealing outer pipe and a gas storage tank body connecting pipe, the top and bottom ends of the sealing connecting pipe are fixedly connected to the sealing installation pipe, the outer side of the sealing connecting pipe is fixedly connected to the sealing outer pipe, the inner side of the sealing outer pipe is symmetrically fixedly connected to two internally threaded inner sleeves, the internally threaded inner sleeves are fixedly connected to the sealing connecting pipe, the interior of the sealing connecting pipe is equidistantly provided with four internal reinforcement cavities, the interiors of the four internal reinforcement cavities are fixedly connected with three internal reinforcement frames, a gas storage tank body connecting pipe is provided below the sealing installation pipe, the outer side of the gas storage tank body connecting pipe is provided with an external threaded surface matching with the internally threaded inner sleeve, a limiting annular groove is provided on the outer side of the gas storage tank body connecting pipe, the interior of the sealing outer pipe is symmetrically slidably connected with two inclined surface blocks matching with the limiting annular groove, and the inclined surface blocks are slidably connected to the internal threaded inner sleeve.

[0005] As a preferred solution of the utility model: the interior of the sealed outer tube is symmetrically and slidingly connected with two movable slides, and one side of the inclined surface block is fixedly connected to the movable slide.

[0006] As a preferred solution of the utility model: two springs are symmetrically fixedly connected to one side of the movable slide plate, and one end of the spring is fixedly connected to the sealed outer tube.

[0007] As a preferred solution of the utility model: a pull rod is fixedly connected to the side of the movable slide away from the inclined surface block, the pull rod is slidably connected to the sealed outer tube, and one end of the pull rod is fixedly connected to the outer pull block.

[0008] As a preferred solution of the utility model: a reinforced inner sleeve is fixedly connected to the inner side of the sealed connecting pipe.

[0009] As a preferred solution of the utility model: four external fixing blocks are fixedly connected to the outer side of the sealed outer tube at equal intervals.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a reinforced inner sleeve and an inner reinforcement frame, thereby ensuring the sealing stability through the reinforced inner sleeve and the inner reinforcement frame when the gas in the sealing connecting pipe expands and contracts due to heat and cold, and improving the overall sealing effect of the sealing connecting pipe and the sealing installation pipe, and by providing a bevel clamp block, when the internal threaded inner sleeve and the external threaded surface on the outside of the gas storage tank connecting pipe are threadedly installed, the bevel clamp block enters the limiting annular groove for limiting the position, thereby preventing the thread from detaching after the gas storage tank connecting pipe is installed, thereby ensuring the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0013] Figure 3 This is a top view of the inner reinforcement cavity of the utility model;

[0014] Figure 4 This is a schematic diagram of the external structure of the sealing jacket of the utility model.

[0015] In the figure: 1. Sealing connecting pipe; 2. Sealing mounting pipe; 3. Sealing outer pipe; 4. Internal threaded inner sleeve; 5. Internal reinforcement cavity; 6. Internal reinforcement frame; 7. Reinforced inner sleeve; 8. Inclined clamp block; 9. Moving slide plate; 10. Pull rod; 11. External pull block; 12. Spring; 13. External fixing block; 14. Gas storage tank connecting pipe; 15. Restricting annular groove; 16. External threaded surface. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figures 1 to 4 The utility model provides a technical solution: a gas storage tank body connection sealing structure, including a sealing connection pipe 1, a sealing installation pipe 2, a sealing outer pipe 3 and a gas storage tank body connection pipe 14, the top and bottom ends of the sealing connection pipe 1 are fixedly connected with the sealing installation pipe 2, the outer side of the sealing connection pipe 1 is fixedly connected with the sealing outer pipe 3, the inner side of the sealing outer pipe 3 is symmetrically fixedly connected with two internal threaded inner sleeves 4, the internal threaded inner sleeve 4 is fixedly connected to the sealing connection pipe 1, and four internal reinforcement cavities 5 are equidistantly opened inside the sealing connection pipe 1, and the insides of the four internal reinforcement cavities 5 are fixedly connected with three internal reinforcement cavities Frame 6, a gas storage tank connecting pipe 14 is provided below the sealing installation tube 2, the outer side of the gas storage tank connecting pipe 14 is provided with an external threaded surface 16 that cooperates with the internal threaded inner sleeve 4, and a limiting annular groove 15 is opened on the outer side of the gas storage tank connecting pipe 14. The inside of the sealing outer tube 3 is symmetrically slidably connected with two inclined surface blocks 8 that cooperate with the limiting annular groove 15. The inclined surface blocks 8 are slidably connected to the internal threaded inner sleeve 4, and the inclined surface blocks 8 enter into the limiting annular groove 15 to fix and limit the position stability of the internal threaded inner sleeve 4 and the external threaded surface 16 on the outer side of the gas storage tank connecting pipe 14 after threaded installation.

[0018] The inside of the sealed outer tube 3 is symmetrically and slidingly connected with two movable slide plates 9 , and one side of the inclined surface block 8 is fixedly connected to the movable slide plate 9 .

[0019] Among them, two springs 12 are symmetrically fixedly connected to one side of the movable slide plate 9 , and one end of the spring 12 is fixedly connected to the sealing outer tube 3 , and the movable slide plate 9 is reset by the spring 12 .

[0020] Among them, a pull rod 10 is fixedly connected to the side of the movable slide 9 away from the inclined surface block 8, and the pull rod 10 is slidably connected to the sealing outer tube 3. One end of the pull rod 10 is fixedly connected to an external pull block 11. The pull rod 10 is pulled by the external pull block 11, and the inclined surface block 8 is driven to move by the movable slide 9 to separate from the limiting annular groove 15.

[0021] Among them, a reinforced inner sleeve 7 is fixedly connected to the inner side of the sealing connecting pipe 1 to improve the internal stability.

[0022] Among them, four external fixing blocks 13 are equidistantly fixedly connected to the outer side of the sealing outer tube 3, and the sealing outer tube 3 and the sealing connecting tube 1 are integrally rotated and adjusted through the external fixing blocks 13, so as to facilitate installation.

[0023] Specifically, when in use, the external threaded surface 16 on the outside of the hot air gas storage tank connecting pipe 14 is threadedly installed with the thread on the inside of the internal threaded inner sleeve 4, and the gas storage tank connecting pipe 14 is installed between the sealing installation pipe 2 and the internal threaded inner sleeve 4. The inclined surface block 8 is pushed when the gas storage tank connecting pipe 14 enters between the sealing installation pipe 2 and the internal threaded inner sleeve 4. The inclined surface of the inclined surface block 8 is pushed, and the inclined surface block 8 drives the moving slide plate 9 to move outward to press the spring 12. After the threaded installation, when the inclined surface block 8 reaches the limiting annular groove 15, at this time, the spring 12 is reset and drives the moving slide plate 9 and the inclined surface block 8 to reset, and the inclined surface block 8 enters the limiting annular groove 15 to stabilize the installation between the gas storage tank connecting pipe 14 and the sealing connecting pipe 1. When the stored gas is affected by the temperature and expands and contracts, the sealing connecting pipe 1 is reinforced by the reinforcing inner sleeve 7 on the inside. The sealing connecting pipe 1 is further reinforced by the inner reinforcement frame 6 with an inner reinforcement cavity 5 opened in the sealing connecting pipe 1, so as to prevent the sealing connecting pipe 1 and the reinforced inner sleeve 7 from being deformed and affecting the internal seal.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas storage tank connection sealing structure, comprising a sealing connection pipe (1), a sealing installation pipe (2), a sealing outer pipe (3) and a gas storage tank connection pipe (14), characterized in that: The top and bottom ends of the sealed connection pipe (1) are fixedly connected to a sealed installation pipe (2); the outer side of the sealed connection pipe (1) is fixedly connected to a sealed outer pipe (3); the inner side of the sealed outer pipe (3) is symmetrically fixedly connected to two internal threaded inner sleeves (4); the internal threaded inner sleeves (4) are fixedly connected to the sealed connection pipe (1); four internal reinforcement cavities (5) are equidistantly provided inside the sealed connection pipe (1); the interiors of the four internal reinforcement cavities (5) are fixedly connected to three internal reinforcement frames (6 ), a gas storage tank body connecting pipe (14) is provided below the sealing installation pipe (2), an outer side of the gas storage tank body connecting pipe (14) is provided with an outer thread surface (16) matching with the inner thread inner sleeve (4), a limiting annular groove (15) is provided on the outer side of the gas storage tank body connecting pipe (14), and the inside of the sealing outer tube (3) is symmetrically slidably connected with two inclined surface blocks (8) matching with the limiting annular groove (15), and the inclined surface blocks (8) are slidably connected with the inner thread inner sleeve (4).

2. A gas storage tank connection seal structure according to claim 1, characterized in that: Two movable slide plates (9) are symmetrically and slidably connected inside the sealed outer tube (3), and one side of the inclined surface clamping block (8) is fixedly connected to the movable slide plate (9).

3. A gas storage tank connection seal structure according to claim 2, characterized in that: Two springs (12) are symmetrically and fixedly connected to one side of the movable slide plate (9), and one end of the spring (12) is fixedly connected to the sealed outer tube (3).

4. A gas storage tank connection seal structure according to claim 2, characterized in that: A pull rod (10) is fixedly connected to the side of the movable slide plate (9) away from the inclined surface block (8), the pull rod (10) is slidably connected to the sealed outer tube (3), and one end of the pull rod (10) is fixedly connected to an outer pull block (11).

5. A gas storage tank connection seal structure according to claim 1, characterized in that: A reinforced inner sleeve (7) is fixedly connected to the inner side of the sealed connecting pipe (1).

6. A gas storage tank connection seal structure according to claim 1, characterized in that: Four external fixing blocks (13) are fixedly connected to the outside of the sealed outer tube (3) at equal intervals.

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