Sealed pressure container

Abstract

The utility model discloses a sealed pressure vessel which comprises a stainless steel tank body, a circular through hole is formed in the upper surface of the pressure vessel body, a fixing pipe is fixedly connected to the side wall of the circular through hole, a fixing ring is fixedly connected to the upper end of the fixing pipe, and a sealing assembly is arranged above the fixing ring. The rubber sleeve and the sealing plug are arranged, the sealing plug enters the fixing pipe, the piston pushes gas in the circular cylinder into the rubber sleeve through the gas guide pipe, the rubber sleeve is bulged, one side of the rubber sleeve enters the annular clamping groove in the fixing ring, a gap is blocked, the sealing effect is improved, leakage is avoided, the rubber sleeve is not extruded, and damage is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of pressure container sealing, and in particular relates to a sealed pressure container. Background Art

[0002] A pressure vessel is a sealed container that can withstand pressure. Pressure vessels are widely used and play an important role in many sectors such as industry, civil, military and many fields of scientific research.

[0003] The sealing heads of current pressure vessels are mostly sealed by means of threads and extrusion of sealing rubber rings. This method squeezes the sealing rubber rings, which can easily cause damage to the rubber sealing rings. Since the rubber rings are blocked by the sealing heads and the pressure vessels, they cannot be observed, and the damage of the rubber rings cannot be timely understood. Failure to replace the sealing rings in time will destroy the sealing effect of the pressure vessel.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide a new type of sealing device, a sealing device that does not frequently consume rubber rings and does not require frequent replacement of rubber rings.

[0006] To achieve the above-mentioned purpose, the utility model proposes a sealed pressure vessel, including a pressure vessel body, the upper surface of the pressure vessel body is provided with a circular through hole, the side wall of the circular through hole is fixedly connected to a fixing tube, the upper end of the fixing tube is fixedly connected to a fixing ring, a sealing assembly is provided above the fixing ring, the sealing assembly includes a sealing plug, the outer side of the sealing plug and the side wall of the fixing tube are both provided with threaded grooves, the side wall of the sealing plug is provided with an annular mounting groove, a rubber sleeve is fixedly connected in the annular mounting groove, and the inner arc surface of the fixing ring is provided with an annular clamping groove.

[0007] In one example, the upper surface of the fixing ring is fixedly connected to the support frame, the upper surface of the support frame is fixedly connected to the cylinder, the telescopic rod of the cylinder is fixedly connected to the mounting frame, the mounting frame is fixedly connected to the servo motor, and the main shaft of the servo motor is fixedly connected to the sealing plug.

[0008] In one example, one side of the rubber sleeve is fixedly connected to two air ducts, the air ducts are communicated with the rubber sleeve, the air ducts pass through a sealing plug, the upper surface of the sealing plug is fixedly connected to two circular cylinders, the air ducts are communicated with the two circular cylinders, pistons are slidably connected in the two circular cylinders, and the upper surface of the pistons is fixedly connected to a vertical rod.

[0009] In one example, one side of the mounting frame is fixedly connected to a horizontal plate, the upper surface of the horizontal plate is fixedly connected to an electric push rod, the telescopic rod of the electric push rod is fixedly connected to an annular plate, the inner arc surface of the annular plate is fixedly connected to a support plate, and the support plate is fixedly connected to a vertical rod.

[0010] In one example, the lower surface of the annular plate is fixedly connected to two upright poles, the lower ends of the upright poles are fixedly connected to a fixing plate, the lower surfaces of the two fixing plates are fixedly connected to two mounting rings, and the lower surfaces of the two mounting rings are fixedly connected to an annular elastic membrane.

[0011] In one example, the two mounting rings and the annular elastic membrane are located above the gap between the fixing ring and the sealing plug.

[0012] The sealed pressure container proposed by the utility model can bring the following beneficial effects:

[0013] Firstly, by setting a rubber sleeve and a sealing plug, the sealing plug enters into the fixed tube, and the piston pushes the gas in the circular cylinder into the rubber sleeve through the air guide tube, causing the rubber sleeve to bulge, and one side of the rubber sleeve enters into the annular groove on the fixed ring to block the gap, thereby improving the sealing effect and avoiding leakage. The rubber sleeve is not squeezed and damaged, and the sealing plug is fixed in the fixed tube through a threaded groove to avoid the air pressure inside the pressure vessel body being affected by the ambient temperature and increasing during sealing, causing the sealing plug to be pushed open by the internal gas, thereby destroying the sealing effect of the stainless steel tank body.

[0014] Secondly, by setting an annular elastic membrane, the installation ring presses the annular elastic membrane down on the gap between the fixing ring and the sealing plug, which plays a role of secondary sealing. Since the two installation rings have different radii, there is a distance between the two installation rings. When there is a problem with the sealing of the pressure vessel body, resulting in gas leakage, when the gas leaks through the gap between the fixing ring and the sealing plug, the gas blows up the annular elastic membrane, causing the annular elastic membrane to bulge. The staff can judge the sealing state of the pressure vessel body by observing the state of the annular elastic membrane, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 The utility model is a structural schematic diagram of a sealed pressure container.

[0017] Figure 2 The utility model is a structural schematic diagram of a sealed pressure container.

[0018] Figure 3The utility model is a structural schematic diagram of a sealed pressure container.

[0019] Figure 4 The utility model is a structural schematic diagram of a sealed pressure container.

[0020] 1. Pressure vessel body; 2. Fixed pipe; 3. Fixed ring; 4. Sealing assembly; 41. Sealing plug; 42. Rubber sleeve; 5. Support frame; 6. Cylinder; 7. Mounting frame; 8. Servo motor; 9. Air guide tube; 10. Round cylinder; 11. Piston; 12. Vertical rod; 13. Horizontal plate; 14. Electric push rod; 15. Annular plate; 16. Support plate; 17. Vertical rod; 18. Fixed plate; 19. Mounting ring; 20. Annular elastic membrane. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0022] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are 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 referred device or element 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.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

[0026] like Figure 1 to Figure 4 As shown, an embodiment of the utility model proposes a sealed pressure vessel, including a pressure vessel body 1, a circular through hole is provided on the upper surface of the pressure vessel body 1, the side wall of the circular through hole is fixedly connected to a fixing tube 2, the upper end of the fixing tube 2 is fixedly connected to a fixing ring 3, a sealing assembly 4 is provided above the fixing ring 3, the sealing assembly 4 includes a sealing plug 41, the outer side of the sealing plug 41 and the side wall of the fixing tube 2 are both provided with threaded grooves, the side wall of the sealing plug 41 is provided with an annular mounting groove, a rubber sleeve 42 is fixedly connected in the annular mounting groove, and an annular clamping groove is provided on the inner arc surface of the fixing ring 3.

[0027] Specifically, the upper surface of the fixing ring 3 is fixedly connected to the support frame 5, the upper surface of the support frame 5 is fixedly connected to the cylinder 6, the telescopic rod of the cylinder 6 is fixedly connected to the mounting frame 7, the mounting frame 7 is fixedly connected to the servo motor 8, and the main shaft of the servo motor 8 is fixedly connected to the sealing plug 41.

[0028] Specifically, one side of the rubber sleeve 42 is fixedly connected to two air ducts 9, the air ducts 9 are communicated with the rubber sleeve 42, the air ducts 9 pass through the sealing plug 41, the upper surface of the sealing plug 41 is fixedly connected to two circular cylinders 10, the air ducts 9 are communicated with the two circular cylinders 10, the pistons 11 are slidably connected in the two circular cylinders 10, and the upper surface of the piston 11 is fixedly connected to the vertical rod 12.

[0029] Specifically, one side of the mounting frame 7 is fixedly connected to a horizontal plate 13 , an upper surface of the horizontal plate 13 is fixedly connected to an electric push rod 14 , a telescopic rod of the electric push rod 14 is fixedly connected to an annular plate 15 , an inner arc surface of the annular plate 15 is fixedly connected to a support plate 16 , and the support plate 16 is fixedly connected to the vertical rod 12 .

[0030] Specifically, the lower surface of the annular plate 15 is fixedly connected to two upright poles 17 , the lower ends of the upright poles 17 are fixedly connected to a fixing plate 18 , the lower surfaces of the two fixing plates 18 are fixedly connected to two mounting rings 19 , and the lower surfaces of the two mounting rings 19 are fixedly connected to an annular elastic membrane 20 .

[0031] Specifically, the two mounting rings 19 and the annular elastic membrane 20 are located above the gap between the fixing ring 3 and the sealing plug 41 .

[0032] Working principle: When the sealing device seals the pressure vessel body 1, the electric push rod 14 pushes the sealing plug 41 down. When the sealing plug 41 contacts the fixed tube 2, the servo motor 8 starts to drive the sealing plug 41 to rotate. When the threaded groove on the sealing plug 41 is aligned with the sealing plug 41 on the fixed tube 2, the sealing plug 41 enters the fixed tube 2 and the sealing plug 41 descends until the surface of the sealing plug 41 is aligned with the surface of the fixed ring 3. Then, the vertical rod 12 is pushed down, and the vertical rod 12 pushes the piston 11 down. The piston 11 pushes the gas in the circular cylinder 10 into the rubber sleeve 42 through the air guide pipe 9, causing the rubber The sleeve 42 bulges, and one side of the rubber sleeve 42 enters the annular groove on the fixing ring 3. The rubber sleeve 42 bulges, fills the annular groove, blocks the gap, improves the sealing effect, and avoids leakage. The rubber sleeve 42 is not squeezed and damaged. At the same time, the servo motor 8 and the cylinder 6 drive the sealing plug 41 to seal the stainless steel tank body. No manual operation is required, which is more convenient. The sealing plug 41 is fixed in the fixing tube 2 through the threaded groove to avoid the air pressure inside the pressure vessel body 1 being affected by the ambient temperature during sealing and increasing, causing the sealing plug 41 to be pushed open by the internal gas, thereby destroying the sealing effect of the stainless steel tank body;

[0033] When the sealing plug 41 enters the fixed tube 2, the electric push rod 14 pushes the annular plate 15 down, and the annular plate 15 presses down the two vertical rods 12. The vertical rod 12 pushes the piston 11 down, and the piston 11 pushes the gas in the circular cylinder 10 into the rubber sleeve 42 through the air guide tube 9 for sealing. At the same time, when the annular plate 15 descends, it drives the mounting ring 19 and the annular elastic membrane 20 to descend. The mounting ring 19 presses the elastic membrane on the gap between the fixed ring 3 and the sealing plug 41 to play a secondary sealing role. Since the radii of the two mounting rings 19 are different, there is a distance between the two mounting rings 19. When there is a problem with the sealing of the pressure vessel body 1, resulting in gas leakage, when the gas leaks through the gap between the fixed ring 3 and the sealing plug 41, the gas blows up the annular elastic membrane 20, causing the annular elastic membrane 20 to bulge. The staff can judge the sealing state of the pressure vessel body 1 by observing the state of the annular elastic membrane 20, which is more convenient.

[0034] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0035] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A sealed pressure container, characterized in that: The invention comprises a pressure vessel body (1), wherein a circular through hole is provided on the upper surface of the pressure vessel body (1), wherein the side wall of the circular through hole is fixedly connected to a fixing tube (2), wherein the upper end of the fixing tube (2) is fixedly connected to a fixing ring (3), wherein a sealing assembly (4) is provided above the fixing ring (3), wherein the sealing assembly (4) comprises a sealing plug (41), wherein the outer side of the sealing plug (41) and the side wall of the fixing tube (2) are both provided with a threaded groove, wherein the side wall of the sealing plug (41) is provided with an annular mounting groove, wherein a rubber sleeve (42) is fixedly connected in the annular mounting groove, and an annular clamping groove is provided on the inner arc surface of the fixing ring (3).

2. A sealed pressure container according to claim 1, characterized in that: The upper surface of the fixing ring (3) is fixedly connected to a support frame (5), the upper surface of the support frame (5) is fixedly connected to a cylinder (6), the telescopic rod of the cylinder (6) is fixedly connected to a mounting frame (7), the mounting frame (7) is fixedly connected to a servo motor (8), and the main shaft of the servo motor (8) is fixedly connected to a sealing plug (41).

3. A sealed pressure container according to claim 1, characterized in that: One side of the rubber sleeve (42) is fixedly connected to two air guide tubes (9), the air guide tubes (9) are in communication with the rubber sleeve (42), the air guide tubes (9) pass through a sealing plug (41), the upper surface of the sealing plug (41) is fixedly connected to two circular cylinders (10), the air guide tube (9) is in communication with the two circular cylinders (10), a piston (11) is slidably connected inside the two circular cylinders (10), and the upper surface of the piston (11) is fixedly connected to a vertical rod (12).

4. A sealed pressure container according to claim 2, characterized in that: One side of the mounting frame (7) is fixedly connected to a transverse plate (13), the upper surface of the transverse plate (13) is fixedly connected to an electric push rod (14), the telescopic rod of the electric push rod (14) is fixedly connected to an annular plate (15), the inner arc surface of the annular plate (15) is fixedly connected to a support plate (16), and the support plate (16) is fixedly connected to the vertical rod (12).

5. A sealed pressure container according to claim 4, characterized in that: The lower surface of the annular plate (15) is fixedly connected to two vertical poles (17), the lower ends of the vertical poles (17) are fixedly connected to a fixing plate (18), the lower surfaces of the two fixing plates (18) are fixedly connected to two mounting rings (19), and the lower surfaces of the two mounting rings (19) are fixedly connected to an annular elastic membrane (20).

6. A sealed pressure container according to claim 5, characterized in that: The two mounting rings (19) and the annular elastic membrane (20) are located above the gap between the fixing ring (3) and the sealing plug (41).

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