Special-shaped and different-surface sealing structure for pressure container

Abstract

The invention provides a special-shaped and special-surface sealing structure for a pressure container. The special-shaped and special-surface sealing structure comprises a lower cover plate and an upper cover plate on the pressure container, the upper cover plate is mounted on the lower cover plate; a plurality of grooves and bulges are arranged on the inner side of the lower cover plate; the sealing strip further comprises a sealing strip body. Inward recesses, namely a recess I, a recess II and a recess III, are formed in three surfaces of the sealing strip body; the sealing strip body is installed in the lower cover plate, and the first concave part, the second concave part and the third concave part are matched with the grooves and the protrusions on the inner side of the lower cover plate. The sealing strip body is strip-shaped, and the cross section of the sealing strip body is square; the sealing strip body is made of a flexible material; the first concave part, the second concave part and the third concave part are adjacently arranged on the three faces of the sealing strip body, and the radian of the first concave part, the radian of the second concave part and the radian of the third concave part are all 180 degrees. Local sealing, different-face sealing and multi-face simultaneous sealing can be achieved, and the sealing effect is good.

Description

Technical Field

[0001] The invention belongs to the field of sealing devices, and in particular relates to a special-shaped and special-surface sealing structure for a pressure vessel. Background Art

[0002] Sealing strips are products that seal something and make it difficult to open, and play the role of shock absorption, waterproofing, sound insulation, heat insulation, dust prevention, fixing, etc. Sealing strips are made of rubber, paper, metal, plastic and other materials. At present, the sealing structures on the market are all sealed or one-sided when sealing, but when complex mechanisms require partial sealing, sealing on different surfaces, and simultaneous sealing on multiple surfaces, this sealing method is not applicable. Summary of the invention

[0003] In view of the above problems, the object of the present invention is to provide a type of eccentric sealing structure which can be used for partial sealing, eccentric sealing, and multi-surface simultaneous sealing.

[0004] The present invention is achieved through the following technical solutions: A special-shaped and special-surface sealing structure for a pressure vessel, comprising a lower cover plate and an upper cover plate on the pressure vessel; the upper cover plate is mounted on the lower cover plate; a plurality of grooves and protrusions are arranged on the inner side of the lower cover plate; and also comprising a sealing strip body; the sealing strip body is mounted on the outer side facing the inner side of the lower cover plate; inward depressions are arranged on the upper side of the sealing strip body, namely, depression one, depression two and depression three; the depression one, depression two and depression three match the protrusions on the inner side of the lower cover plate, and the connection between the depression one, depression two and depression three matches the groove on the inner side of the lower cover plate; the sealing strip body is in the shape of an elongated strip and has a square cross section; the sealing strip body is made of flexible material; the depression one, depression two and depression three are adjacently arranged on three surfaces of the sealing strip body, and the arcs of the depression one, depression two and depression three are all 180°.

[0005] Beneficial effects of the present invention: The present invention can perform partial sealing, sealing on different surfaces, and sealing on multiple surfaces simultaneously, and has a good sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] The present invention is further described in detail below with reference to the accompanying drawings.

[0007] Figure 1 It is a structural schematic diagram of the present invention.

[0008] Figure 2 It is a working schematic diagram of the present invention.

[0009] As shown in the figure: 1 - sealing strip body; 11 - depression one; 12 - depression two; 13 - depression three; 2 - lower cover plate; 3 - upper cover plate. DETAILED DESCRIPTION

[0010] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0011] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0012] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "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 directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. It should be noted that the terms "include", "comprise" or any other variants are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0013] like Figure 1 The illustrated embodiment is a special-shaped and special-surface sealing structure for a pressure vessel, comprising a sealing strip body 1, a lower cover plate 2 and an upper cover plate 3.

[0014] The upper cover plate 3 is installed on the lower cover plate 2 .

[0015] The inner side of the lower cover plate 2 is provided with a plurality of grooves and protrusions.

[0016] The sealing strip body 1 is installed on the outer side facing the inner side of the lower cover plate 2; the sealing strip body 1 is provided with inward depressions, namely depression 1 11, depression 2 12 and depression 3 13; the depression 1 11, depression 2 12 and depression 3 13 match the protrusions on the inner side of the lower cover plate 2, and the connection between the depression 1 11, depression 2 12 and depression 3 13 matches the groove on the inner side of the lower cover plate 2; the sealing strip body 1 is in the shape of a long strip and has a square cross section; the sealing strip body 1 is made of flexible material.

[0017] The first recess 11, the second recess 12 and the third recess 13 are adjacently arranged on three surfaces of the sealing strip body 1, and the arcs of the first recess 11, the second recess 12 and the third recess 13 are all 180°.

[0018] Working principle of the present invention: like Figure 2 The inner side of the lower cover plate 2 is irregularly shaped, that is, a plurality of grooves and protrusions are provided on the lower cover plate 2. After the sealing strip body 1 is inserted into the lower cover plate 2, compressed air is added into the sealing strip body 1 to expand the irregular surface and fit tightly with the inner side of the lower cover plate 2 to achieve a sealing effect.

[0019] The protection scope of the present invention is not limited to the technical solutions disclosed in the specific implementation methods. Any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A special-shaped and special-surface sealing structure for a pressure vessel, comprising a lower cover plate (2) and an upper cover plate (3) on the pressure vessel; the upper cover plate (3) is mounted on the lower cover plate (2); a plurality of grooves and protrusions are arranged on the inner side of the lower cover plate (2); the characteristics are: The invention comprises a sealing strip body (1); the sealing strip body (1) is mounted on the outer side of the surface facing the inner side of the lower cover plate (2); the sealing strip body (1) is provided with inwardly facing recesses, namely recess one (11), recess two (12) and recess three (13); the recess one (11), recess two (12) and recess three (13) match with protrusions on the inner side of the lower cover plate (2), and the connection between the recess one (11), recess two (12) and recess three (13) matches with a groove on the inner side of the lower cover plate (2).

2. A special-shaped and special-surface sealing structure for a pressure vessel according to claim 1, characterized in that The sealing strip body (1) is in the shape of an elongated strip and has a square cross section.

3. A special-shaped and special-surface sealing structure for a pressure vessel according to claim 1, characterized in that The sealing strip body (1) is made of a flexible material.

4. A special-shaped and special-surface sealing structure for a pressure vessel according to claim 1 or 2, characterized in that The first depression (11), the second depression (12) and the third depression (13) are arranged adjacently on three surfaces of the sealing strip body (1), and the arcs of the first depression (11), the second depression (12) and the third depression (13) are all 180°.

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