Sealing structure and container

Abstract

The invention relates to a sealing structure and a container, and belongs to the technical field of equipment sealing. One of the sealing structures includes a ring assembly including an elastic energy storage ring; the floating ring is provided with a container barrel contact wall surface and a container end cover contact wall surface, a first mounting position is arranged on the container barrel contact wall surface, and a second mounting position is arranged on the container end cover contact wall surface; and the first mounting position and the second mounting position are both provided with the ring assemblies. The ultrahigh-temperature and high-pressure sealing condition can be met during use, large matching clearances can be adopted between the floating ring and the container end cover and between the floating ring and the container barrel by utilizing the characteristics of the floating ring and the elastic energy storage ring during assembly, and installation is convenient.

Description

Technical Field

[0001] The present application relates to the technical field of testing equipment sealing, and in particular to a sealing structure and a container. Background Art

[0002] The working depth of deep-earth equipment such as ultra-deep rock and soil, oil and gas well mining has reached 10,000 meters, facing the test of extreme environment of high temperature and ultra-high pressure, especially 230℃ and 200MPa environment. Deep-earth exploration and production equipment needs to be tested for environmental adaptability, reliability, safety and accuracy under extreme high temperature and ultra-high pressure environment.

[0003] In order to simulate the high temperature and ultra-high extreme environment in the deep earth, a lot of high temperature and ultra-high pressure test equipment has been developed. The sealing technology directly determines the safety and reliability of the equipment. The sealing of high temperature and ultra-high pressure test equipment needs to achieve reliable sealing under high temperature and pressure parameters, and environmental testing also requires taking into account the sealing efficiency.

[0004] The existing sealing structures include: a sealing combination of an O-ring and a retaining ring, a sealing combination of an O-ring and a metal triangular gasket, and a sealing combination of an O-ring and a floating ring. Among them, the sealing combination of an O-ring and a retaining ring has the advantage of being easy to assemble and disassemble, and is widely used in high-temperature and ultra-high-pressure test equipment. However, due to the temperature resistance of the material, it cannot guarantee reliable sealing under ultra-high pressures above 230°C; the O-ring and metal triangular gasket combined sealing can achieve initial sealing through the O-ring, and the metal triangular gasket can achieve sealing under high temperature and ultra-high pressure, but because the metal triangular gasket achieves sealing by generating plastic deformation, there is a large friction between the sealing surfaces, which makes installation difficult and easily damages the sealing surfaces; the O-ring and floating ring combined sealing can only be adapted to rubber sealing rings, and cannot guarantee reliable sealing under ultra-high pressures above 230°C. Therefore, the above-mentioned existing sealing structures have the problem of being unable to adapt to reliable sealing under ultra-high pressures above 230°C or having difficulty in installation. Summary of the invention

[0005] The embodiments of the present application provide a sealing structure and a container to solve the problems in the related art that a reliable seal cannot be adapted to ultra-high pressure above 230°C or that the installation is difficult.

[0006] An embodiment of the present application provides a sealing structure, including: a ring assembly, which includes an elastic energy storage ring; a floating ring, which has a container barrel contact wall and a container end cover contact wall, the container barrel contact wall is provided with a first mounting position, and the container end cover contact wall is provided with a second mounting position; and the ring assembly is provided at both the first mounting position and the second mounting position.

[0007] By adopting the above technical solution: the elastic energy storage ring is provided with a high temperature resistant metal skeleton with good deformation compensation capability, and the external sealing lip adopts engineering plastics such as modified PTFE, which has good high temperature resistance and self-lubricating performance. The structure can adopt a larger assembly clearance between the floating ring and the container cylinder, so that the floating ring and the container cylinder are easy to install and the wear of the sealing surface is avoided as much as possible. That is, during assembly, after positioning the position of the floating ring and the ring assembly, the elastic energy storage ring uses its own deformation ability to apply the load required for the initial sealing, so that it is in close contact with the container cylinder and the container end cover, reducing the difficulty of installation. After the pressure is injected into the container, the floating ring can float or move to a certain extent to adapt to the temperature change and pressure fluctuation of the container. The floating ring can form a tight seal on the contact surface of the container cylinder and the contact surface of the container end cover. The pressure of the sealing contact surface of the elastic energy storage ring increases with the increase of the internal pressure, ensuring reliable sealing.

[0008] In some embodiments, the first mounting position is located on the outer side wall of the floating ring; and the elastic energy storage ring is arranged on the outer side of the floating ring.

[0009] By adopting the above technical solution: when the elastic energy storage ring is arranged outside the floating ring, it forms a reliable sealing structure together with the floating ring. This structure can simplify the installation while preventing low-pressure initial sealing leakage. This structure is more reliable in sealing under ultra-high pressure and high temperature.

[0010] In some embodiments, the second mounting position is located on the lower end surface of the floating ring; the elastic energy storage ring is fitted to the lower end surface of the floating ring and is stacked with the floating ring.

[0011] By adopting the above technical solution: the elastic energy storage ring can effectively compensate for the fitting clearance between the floating ring and the container end cover, reduce the processing and assembly clearance while ensuring the initial seal; under the action of high pressure, the floating ring will be closer to the container end cover under the action of pressure, reducing the end face sealing clearance and further improving the sealing reliability; the elastic energy storage ring can be installed in the sealing groove on the floating ring or the container end cover according to the assembly direction.

[0012] In some embodiments, the first mounting position is a step formed by the container barrel contacting the wall surface.

[0013] By adopting the above technical solution: the step-shaped first installation position provides a stable supporting surface for the elastic energy storage ring. When the elastic energy storage ring is installed on the step, it can fit tightly on the surface of the step, thereby forming a stable sealing structure, effectively preventing the medium from leaking out of the sealing structure, thereby ensuring the sealing performance of the sealing structure.

[0014] In some embodiments, the second mounting position is a plane formed by the container end cover contacting the wall surface.

[0015] By adopting the above technical solution: the second installation position with a flat shape provides a flat sealing surface for the elastic energy storage ring. When the elastic energy storage ring is installed on the plane, the elastic energy storage ring can effectively compensate for the matching gap between the floating ring and the container end cover, reduce the processing and assembly gap while ensuring the initial seal. Under high pressure, the floating ring will be closer to the container end cover under pressure, reducing the end face sealing clearance and further improving the sealing reliability. (Adjust the statement according to the above description)

[0016] In some embodiments, the ring assembly further comprises a temperature-resistant retaining ring, and the temperature-resistant retaining ring is in contact with the elastic energy storage ring.

[0017] By adopting the above technical solution: when the elastic energy storage ring contacts the temperature-resistant retaining ring, the temperature-resistant retaining ring can maintain good rigidity at high temperatures, close the high-temperature flow channel of the elastic energy storage ring, avoid its biting failure, and improve the sealing reliability at high temperatures.

[0018] In some embodiments, the wall surface where the elastic energy storage ring and the temperature-resistant retaining ring contact each other is configured as an inclined surface.

[0019] By adopting the above technical solution: when the elastic energy storage ring contacts the temperature-resistant retaining ring, the shape of the inclined surface increases the contact area and improves the support stiffness on the one hand, and on the other hand, the structure can more effectively block the deformation flow channel of the elastic energy storage ring under high temperature, thereby increasing the tightness and reliability of the seal. This design can reduce the possibility of medium leakage and improve the sealing performance of the sealing structure.

[0020] In some embodiments, the floating ring is connected to a locking screw, and the locking screw passes through the floating ring and contacts the container body.

[0021] By adopting the above technical solution: the anti-loosening top screw can ensure that the floating ring maintains the installation position under assembly conditions with a small force, and the floating ring can be deformed and floated freely under the action of internal pressure, so as to adapt to the deformation of the container cylinder under ultra-high pressure and make up for the fitting gap between the floating ring and the sealing end cover caused by the internal pressure, and the anti-loosening top screw passes through the floating ring and contacts with the container cylinder, and the sliding pair is staggered with the sealing surface, which will not affect the sealing fit.

[0022] The embodiment of the present application provides a container, comprising: a container body; a container end cover, which is mounted on the container body; and a sealing structure as described above, which is arranged between the container end cover and the container body. (Related descriptions are adjusted according to the above principle description)

[0023] By adopting the above technical solution: the container cylinder serves as the main part, and the container cylinder has sufficient strength and rigidity to withstand the working conditions such as pressure and temperature of the internal medium. The container end cover is installed on the container cylinder to close the container and prevent medium leakage. The sealing structure is arranged between the container end cover and the container cylinder to ensure a tight connection between the two and prevent medium leakage from the connection.

[0024] In some embodiments, the container end cover has a first floating ring contact surface, a first receiving space is formed between the first floating ring contact surface and the second mounting position, and the first receiving space accommodates a ring assembly, and the container barrel has a second floating ring contact surface, a second receiving space is formed between the second floating ring contact surface and the first mounting position, and the first receiving space accommodates a ring assembly.

[0025] By adopting the above technical solution: the first receiving space and the second receiving space provide a stable installation space for the ring assembly, and a larger assembly clearance can be used between the floating ring and the container barrel, so that the installation between the floating ring and the container barrel is convenient, and wear on the sealing surface is avoided as much as possible, ensuring that the ring assembly can be correctly installed in the predetermined position, and when it is subjected to pressure or vibration, when the internal pressure of the container increases or the temperature of the medium changes, the floating ring can float or move to a certain extent to adapt to the temperature change and pressure fluctuation of the container. Therefore, the floating ring is closer to the contact surface of the container barrel and the contact surface of the container end cover under pressure, reducing the sealing clearance and further improving the sealing reliability. As the internal pressure of the ring assembly increases, the pressure on the sealing contact surface increases accordingly, ensuring reliable sealing.

[0026] The beneficial effects of the technical solution provided by this application include:

[0027] The embodiment of the present application provides a sealing structure and a container, wherein a sealing structure includes a ring assembly, which includes an elastic energy storage ring; a floating ring, which has a container barrel contact wall surface and a container end cover contact wall surface, the container barrel contact wall surface is provided with a first mounting position, and the container end cover contact wall surface is provided with a second mounting position; and the ring assembly is provided at both the first mounting position and the second mounting position. Since the elastic energy storage ring has ultra-high temperature and pressure resistance, and the floating ring is a kind of ring that can float freely under high pressure conditions and can maintain the tightness of the wall surface that fits with it, the combination of the elastic energy storage ring and the floating ring can effectively ensure the tight fit between the container barrel and the container end cover, reduce the risk of leakage caused by deformation or displacement, and because the elastic energy storage ring can undergo elastic deformation under pressure, it absorbs and stores pressure energy. During assembly, a larger matching gap is adopted between the floating ring and the container end cover and the container cylinder, which is convenient for installation and quick for assembly. The elastic energy storage ring can pass the initial interference design. After being installed in the sealing position, the spring is compressed and deformed, providing the seal with the load required for initial sealing under low pressure, ensuring that the contact wall surface of the container cylinder and the contact wall surface of the container end cover are tightly fitted. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic diagram of the overall structure provided for an embodiment of the present application;

[0030] Figure 2 Provided in the embodiments of this application Figure 1 A magnified schematic diagram of center A.

[0031] Reference numerals:

[0032] 1. Ring assembly; 10. Elastic energy storage ring; 11. Heat-resistant retaining ring; 2. Floating ring; 20. First installation position; 21. Second installation position; 3. Anti-loosening top screw; 4. Container body; 40. Second receiving space; 5. Container end cover; 50. First receiving space; 6. Countersinking; 7. First inclined surface; 8. Second inclined surface; 9. Third inclined surface. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0034] The embodiments of the present application provide a sealing structure and a container, which can solve the problems in the related art that reliable sealing under ultra-high pressure above 230° C. or the problems of great difficulty in installation.

[0035] The operating condition of the present application is a test environment, and the overall operation is relatively frequent. The related technology involves three sealing forms: a sealing combination of an O-ring and a retaining ring, a sealing combination of an O-ring and a metal triangular gasket, and a sealing combination of an O-ring and a floating ring. Among them, the combination of an O-ring and a retaining ring, and an O-ring and a floating ring cannot guarantee sealing under ultra-high pressure above 230°C, while the sealing combination of an O-ring and a metal triangular gasket can achieve initial sealing through the O-ring. The metal triangular gasket can achieve sealing under high temperature and ultra-high pressure, but in order to maintain a reliable seal in the initial state, the assembly gap between the metal triangular gasket and the container is set to be small. The metal triangular gasket is interference fit with the container wall by producing plastic deformation. There is a large friction between the sealing surfaces, and the installation is difficult. Repeated side keys can easily tear the sealing surface and fail to meet the sealing requirements.

[0036] See also Figure 1 to Figure 2 As shown, the embodiment of the present application provides a sealing structure, including: a ring assembly 1 and a floating ring 2, the ring assembly 1 includes an elastic energy storage ring 10, the elastic energy storage ring 10 is usually composed of an energy storage spring and a sleeve, the jacket is made of polymer materials including but not limited to polytetrafluoroethylene, the energy storage spring provides elastic force, and the jacket is tightly attached to the sealing groove to form a seal. The performance characteristics of the elastic energy storage ring 10 can work in a relatively wide temperature range, that is, in this application, it meets the working environment of 230°C, and the elastic energy storage ring 10 can also withstand higher pressure and load.

[0037] The floating ring 2 has a container barrel contact wall and a container end cover contact wall, and a first mounting position 20 is provided on the container barrel contact wall, and a second mounting position 21 is provided on the container end cover contact wall; and both the first mounting position 20 and the second mounting position 21 are provided with a ring assembly 1.

[0038] Since the elastic energy storage ring 10 has elastic deformation ability, when initially designing the floating ring 2 and the elastic energy storage ring 10, the assembly surface difference can be increased according to the assembly requirements, that is, a slightly larger gap is formed between the floating ring 2 and the container barrel 4 and the container end cover 5, so that the floating ring 2 and the ring assembly 1 can be easily installed between the container barrel 4 and the container end cover 5, and the accuracy of the sealing surface will not be affected. After positioning the floating ring 2 and the ring assembly 1, the elastic energy storage ring 10 uses its own deformation ability to apply the load required for the initial sealing, so that it is in close contact with the container barrel 4 and the container end cover 5, reducing the difficulty of installation. After the pressure is injected into the container, the floating ring 2 can float or move to a certain extent to adapt to the temperature change and pressure fluctuation of the container. The floating ring 2 can form a tight seal on the contact surface of the container barrel 4 and the contact surface of the container end cover 5. The elastic energy storage ring 10 absorbs and stores pressure energy, while providing continuous sealing pressure, and the pressure of its sealing contact surface increases with the increase of internal pressure, ensuring reliable sealing. This reliable sealing structure greatly improves the reliability and safety of the seal, and thus achieves reliable sealing under high pressure, high temperature or specific working conditions through the adaptability of the floating ring 2, the precise installation position design, and the good compensation deformation ability of the elastic energy storage ring 10. This design not only improves the safety and stability of the container, but also extends the service life of the sealing structure and reduces maintenance costs.

[0039] In the present application, the first mounting position 20 is formed on the outer wall of the floating ring 2, and the first mounting position 20 is a step formed by the contact wall of the container cylinder. The elastic energy storage ring 10 is sleeved on the outer side of the floating ring 2. The elastic energy storage ring 10 can effectively compensate for the matching gap between the floating ring 2 and the container cylinder 4, reduce the processing and assembly gaps and ensure the initial sealing; under the action of high pressure, the floating ring 2 will be closer to the container cylinder 4 under the action of pressure, reduce the sealing clearance, and further improve the sealing reliability; the elastic energy storage ring 10 can be installed on the first mounting position 20 according to the assembly direction. The elastic energy storage ring 10 has a reliable structure, and due to the existence of the step, the container may undergo slight deformation or displacement due to factors such as temperature changes, pressure fluctuations or installation errors during long-term use. The first mounting position 20 with a step shape can adapt to this deformation, because the elastic energy storage ring 10 can move slightly with the deformation of the container, but can still maintain a tight fit. This adaptability helps to maintain the stability of the sealing structure and extend its service life.

[0040] The second installation position 21 is formed on the lower end surface of the floating ring 2, and the second installation position 21 is a plane formed by the contact wall of the container end cover. The elastic energy storage ring 10 fits the lower end surface of the floating ring 2 and is stacked with the floating ring 2. In the present application, the sealing groove can be processed on the floating ring 2 or the container end cover 5, and then the elastic energy storage ring 10 is installed in the sealing groove. The elastic energy storage ring 10 is easy to install on the end surface, and the elastic energy storage ring 10 can be more easily aligned and fit with the floating ring 2 during installation. During specific assembly, the elastic energy storage ring 10 is first sleeved in the radial direction of the floating ring 2, that is, on the outside of the floating ring 2, and then the floating ring 2 is connected to one of the elastic energy storage rings 10 and connected to the container barrel 4, and then the other elastic energy storage ring 10 is placed on the container end cover 5. After that, when the container end cover 5 is connected to the container barrel 4, the elastic energy storage ring 10 is just aligned and fit with the lower end surface of the floating ring 2. This design not only simplifies the installation process, but also improves the installation efficiency; it can also avoid occupying the assembly gap between the floating ring 2 and the container end cover 5 as much as possible, which helps to maintain the compactness of the sealing structure and reduce the risk of leakage caused by excessive gap. The two installed elastic energy storage rings 10 can effectively compensate for the matching gap between the floating ring 2 and the container end cover 5, reduce the processing and assembly gaps while ensuring the initial seal; under the action of high pressure, the floating ring 2 will be closer to the container end cover 5 under the action of pressure, reducing the end face sealing clearance and further improving the sealing reliability.

[0041] In the present application, in order to further improve the sealing effect under ultra-high pressure and high temperature conditions, the ring assembly 1 is also provided with a heat-resistant retaining ring 11. The heat-resistant retaining ring 11 is in contact with the elastic energy storage ring 10. The heat-resistant retaining ring 11 has high heat resistance, maintains good rigidity at high temperatures, closes the high-temperature flow channel of the elastic energy storage ring 10, avoids its failure due to biting, improves the sealing reliability at high temperatures, and further provides a high sealing capability for the container. The wall surface where the elastic energy storage ring 10 and the heat-resistant retaining ring 11 contact each other is set as an inclined surface. The shape of the inclined surface increases the contact area and improves the support rigidity, and can increase the contact area between the two. The inclined surface prevents the sealing ring from flowing at high temperatures. During assembly, the heat-resistant retaining ring 11 is installed together with the elastic energy storage ring 10, and its assembly steps are consistent with the elastic energy storage ring 10, which is very convenient.

[0042] In the present application, since the floating ring 2 needs to be able to move up and down during installation and use, there is a gap between the floating ring 2 and the container barrel 4 and the container end cover 5. In order to prevent the floating ring 2 from falling during the assembly process, an anti-loosening top screw 3 is connected to the floating ring 2. The anti-loosening top screw 3 is made of copper and passes through the floating ring 2 to contact the container barrel 4. When assembling the floating ring 2, a temperature-resistant retaining ring 11 and an elastic energy storage ring 10 are first sleeved on the outside of the floating ring 2, and then the floating ring 2 is connected to the container barrel 4 through the anti-loosening top screw 3. Although the floating ring 2 has a certain floatability to adapt to the slight deformation of the container barrel 4, in some cases, it is necessary to ensure that the floating ring 2 will not affect the sealing effect due to excessive displacement. The anti-loosening top screw 3 passes through the floating ring 2 and contacts with the container barrel 4. The anti-loosening top screw 3 can ensure that the floating ring 2 maintains the installation position under the assembly condition with a small force. The floating ring 2 can deform and float freely under the action of internal pressure, and can adapt to the deformation of the container barrel 4 under ultra-high pressure and make up for the fitting gap between the floating ring 2 and the sealing end cover 5 caused by the internal pressure. The anti-loosening top screw 3 passes through the floating ring and contacts with the container barrel 4, which can effectively limit the displacement range of the floating ring 2 and keep it in a predetermined position.

[0043] In addition, the first installation position 20 is a step formed by the contact wall of the container barrel. Therefore, in order to reduce the processing difficulty of the floating ring 2, the anti-loosening top screw 3 is connected to the top of the first installation position 20. The processing accuracy requirements of the wall surface connected by the anti-loosening top screw 3 and the first installation position 20 are different, so that the sliding surface of the anti-loosening top screw 3 on the container barrel 4 is staggered with the contact wall surface of the container barrel, which will not affect the sealing fit. On the floating ring 2, the processing accuracy of the wall surface connected by the anti-loosening top screw 3 can be controlled to be lower. During use, even if the floating ring 2 floats up and down, it will not interfere with the elastic energy storage ring 10 and the sealing wall surface of the container barrel 4, causing wear to it, and the structure is reliable.

[0044] The implementation principle of the embodiment of the present application is: during assembly, a heat-resistant retaining ring 11 and an elastic energy storage ring 10 are sleeved on the outer side of the floating ring 2, and then the floating ring 2 is connected to the container barrel 4 by using the anti-loosening top screw 3, and then the heat-resistant retaining ring 11 and the elastic energy storage ring 10 are placed on the end surface of the container end cover 5. When the container end cover 5 is connected to the container barrel 4, the heat-resistant retaining ring 11 and the elastic energy storage ring 10 are overlapped on the lower end surface of the floating ring 2. At this point, a sealing structure is effectively assembled between the floating ring 2, the container barrel 4 and the container end cover 5. The elastic energy storage ring 10 has a high-temperature resistant metal skeleton inside, which has good compensation for deformation. The outer sealing lip is made of engineering plastics such as modified PTFE, which has good high temperature resistance and self-lubricating properties. Under the action of the elastic energy storage ring 10, a larger sealing clearance can be adopted between the floating ring 2 and the container barrel 4. The installation is convenient and the sealing surface will not be damaged. After assembly, the load required for the initial sealing is applied by the internal spring of the elastic energy storage ring 10, which reduces the machining accuracy and assembly and disassembly difficulty of the radial sealing position. The temperature-resistant retaining ring 11 can maintain good rigidity at high temperatures, close the high-temperature flow channel of the elastic energy storage ring 10, avoid its biting failure, and improve the sealing reliability at high temperatures.

[0045] In some alternative embodiments, see Figure 1 and Figure 2 An embodiment of the present application provides a container, which includes a container barrel 4, a vent end cover and a seal; the container end cover 5 is installed on the container barrel 4; the sealing structure, which is a sealing structure disclosed in the above-mentioned example, is arranged between the container end cover 5 and the container barrel 4.

[0046] In the present application, the container end cover 5 has a first floating ring 2 contact surface, which is also a stepped surface, and a first receiving space 50 is formed between the first floating ring 2 contact surface and the second mounting position 21, and the first receiving space 50 accommodates the ring assembly 1; the container barrel 4 is provided with a second floating ring 2 contact surface, which is a stepped surface, and a second receiving space 40 is formed between the second floating ring 2 contact surface and the first mounting position 20, and the first receiving space 50 accommodates the ring assembly 1. The first receiving space 50 and the second receiving space 40 both have a limiting effect on the ring assembly 1, which can prevent the ring assembly 1 from falling during the assembly of the floating ring 2 and the ring assembly 1. When in use, the elastic energy storage ring 10 can effectively compensate for the fitting clearance between the floating ring 2 and the container barrel 4 and the container end cover 5, reduce the processing and assembly clearance while ensuring the initial seal; under the action of high pressure, the floating ring 2 will be closer to the container barrel 4 and the container end cover 5 under the action of pressure, reducing the sealing clearance and further improving the sealing reliability; the elastic energy storage ring 10 can be installed in the corresponding first receiving space 50 and the second receiving space 40 according to the assembly direction.

[0047] In addition, in order to further improve the convenience of assembly, a countersink 6 is provided at the mouth of the container cylinder 4, a first inclined surface 7 adapted to the countersink 6 is provided at the upper end surface of the floating ring 2, a second inclined surface 8 is provided on the inner side wall of the floating ring 2, and a third inclined surface 9 adapted to the second inclined surface 8 is provided on the container end cover 5. During assembly, the countersink 6 cooperates with the first inclined surface 7, and the second inclined surface 8 cooperates with the third inclined surface 9, which makes assembly more convenient, reduces obstacles, and has a simple structure.

[0048] In the description of the present application, it should be noted that the terms "upper", "lower", etc. 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 application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0049] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0050] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A sealing structure, characterized in that: include: A ring assembly (1), comprising an elastic energy storage ring (10); A floating ring (2) having a container barrel contact wall surface and a container end cover contact wall surface, wherein the container barrel contact wall surface is provided with a first mounting position (20), and the container end cover contact wall surface is provided with a second mounting position (21); Furthermore, the first installation position (20) and the second installation position (21) are both provided with the ring assembly (1).

2. A sealing structure according to claim 1, characterized in that: The first installation position (20) is located on the outer side wall of the floating ring (2); and the elastic energy storage ring (10) is sleeved on the outer side of the floating ring (2).

3. A sealing structure according to claim 1, characterized in that: The second installation position (21) is located on the lower end surface of the floating ring (2); the elastic energy storage ring (10) is fitted to the lower end surface of the floating ring (2) and is stacked with the floating ring (2).

4. A sealing structure according to claim 1, characterized in that: The first installation position (20) is a step formed by the container body contacting the wall surface.

5. A sealing structure according to claim 1, characterized in that: The second installation position (21) is a plane formed by the container end cover contacting the wall surface.

6. A sealing structure according to claim 1, characterized in that: The ring assembly (1) further comprises a temperature-resistant retaining ring (11), wherein the temperature-resistant retaining ring (11) is in contact with the elastic energy storage ring (10).

7. A sealing structure according to claim 6, characterized in that: The wall surface where the elastic energy storage ring (10) and the temperature-resistant retaining ring (11) contact each other is arranged as an inclined surface.

8. A sealing structure according to claim 1, characterized in that: The floating ring (2) is connected to an anti-loosening top screw (3), and the anti-loosening top screw (3) passes through the floating ring (2) and contacts the container cylinder (4).

9. A container, characterized in that: It includes: Container body (4); A container end cover (5) mounted on the container body (4); And a sealing structure as described in claims 1-8, which is arranged between the container end cover (5) and the container barrel (4).

10. A container according to claim 9, characterized in that: The container end cover (5) has a first floating ring (2) contact surface, a first receiving space (50) is formed between the first floating ring (2) contact surface and the second mounting position (21), and the first receiving space (50) receives the ring assembly (1); The container body (4) has a second floating ring (2) contact surface, a second receiving space (40) is formed between the second floating ring (2) contact surface and the first mounting position (20), and the first receiving space (50) receives the ring assembly (1).

Images