CN219975326U - High-pressure sealing structure for rectangular section - Google Patents

High-pressure sealing structure for rectangular section Download PDF

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Publication number
CN219975326U
CN219975326U CN202321373750.4U CN202321373750U CN219975326U CN 219975326 U CN219975326 U CN 219975326U CN 202321373750 U CN202321373750 U CN 202321373750U CN 219975326 U CN219975326 U CN 219975326U
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CN
China
Prior art keywords
cover plate
rectangular
pressure
bearing wall
seal structure
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Active
Application number
CN202321373750.4U
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Chinese (zh)
Inventor
阚亮
陈士佳
陈维余
孟科全
王成胜
田津杰
季闻
敖文君
方月月
张强
任树亮
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CNOOC Energy Technology and Services Ltd
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CNOOC Energy Technology and Services Ltd
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Priority to CN202321373750.4U priority Critical patent/CN219975326U/en
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Publication of CN219975326U publication Critical patent/CN219975326U/en
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Abstract

The utility model discloses a high-pressure sealing structure for a rectangular section. Comprising the following steps: the upper end of the model pressure-bearing wall is provided with a rectangular opening; the cover plate is arranged above the model pressure-bearing wall and detachably connected with the model pressure-bearing wall, and the lower end face of the cover plate is abutted against the model pressure-bearing wall and used for opening or closing the rectangular opening; the flat cover is arranged below the cover plate and detachably connected with the cover plate, and the outer periphery of the flat cover is matched with the inner periphery of the rectangular opening; a rectangular receiving groove provided at an upper edge of an outer periphery of the flat cover; a sealing assembly disposed within the rectangular receiving groove for sealing the rectangular opening and the flat cover. The beneficial effects of the utility model are as follows: the detachable cover plate and the flat cover are arranged, and a sealing assembly is arranged in the rectangular accommodating groove at the upper edge of the periphery of the flat cover, so that the rectangular opening can be sealed.

Description

High-pressure sealing structure for rectangular section
Technical Field
The utility model relates to the technical field of petrochemical industry, in particular to a high-pressure sealing structure for a rectangular section.
Background
At present, most of hydraulic and pneumatic seals adopt O-shaped sealing rings as sealing elements. The sealing ring is usually applied to radial sealing and axial sealing of cylindrical hydraulic steel or cylinders, is usually arranged in annular grooves on the piston and the cylindrical end face, and has a good sealing effect.
However, the effective sealing structure for the rectangular section is less, and if the annular sealing groove is manufactured on the rectangular section, a large amount of materials are wasted, so that the design concepts of saving materials, energy and the like are violated. Because the high-pressure stratum physical simulation model is of a cube structure, the experimental simulation pressure is high and the duration time is long, and therefore, the utility model provides higher requirements for the design of the rectangular section sealing structure.
Disclosure of Invention
The utility model aims to provide a high-pressure sealing structure for a rectangular section, which is provided with a cover plate and a flat cover which are detachably connected, wherein a sealing assembly is arranged in a rectangular accommodating groove at the upper edge of the periphery of the flat cover, and the sealing assembly can seal a rectangular opening.
In order to achieve the above purpose, the present utility model adopts the following technical scheme that:
the upper end of the model pressure-bearing wall is provided with a rectangular opening;
the cover plate is arranged above the model pressure-bearing wall and detachably connected with the model pressure-bearing wall, and the lower end face of the cover plate is abutted against the model pressure-bearing wall and used for opening or closing the rectangular opening; and
the flat cover is arranged below the cover plate and detachably connected with the cover plate, and the periphery of the flat cover is matched with the inner periphery of the rectangular opening;
a rectangular receiving groove provided at an upper edge of an outer periphery of the flat cover;
a sealing assembly disposed within the rectangular receiving groove for sealing the rectangular opening and the flat cover.
Preferably, the sealing assembly consists of a first gasket, a sealing rubber strip, a second gasket and a pressure pad from bottom to top.
Preferably, the method further comprises:
the compression screw holes are arranged on the cover plate in a penetrating manner and are positioned right above the rectangular accommodating groove;
the plurality of compression screws penetrate through the compression screw holes, the lower ends of the compression screws are in butt joint with the compression pads and are used for tightly pressing the compression pads, so that the sealing rubber strips deform to realize a sealing function.
Preferably, the cover plate and the flat cover are detachably connected by screws.
Preferably, a plurality of through holes are provided at edges of the cover plate, respectively;
the mounting holes are arranged at the upper end of the model pressure-bearing wall and correspond to the through holes one by one;
a nut disposed above the through hole;
and the bolt sequentially passes through the nut and the through hole and is inserted into the mounting hole, so as to connect the cover plate with the pressure-bearing wall of the model.
Preferably, a flat washer is arranged between the lower end face of the nut and the cover plate.
Preferably, the nut is a high strength nut, and the bolt is a high strength bolt.
Preferably, the first gasket and the second gasket are red copper gaskets.
Preferably, the four corners of the inner ring of the pressing pad are provided with round corner structures
The beneficial effects of the utility model are as follows: the detachable cover plate and the flat cover are arranged, and a sealing assembly is arranged in the rectangular accommodating groove at the upper edge of the periphery of the flat cover, so that the rectangular opening can be sealed.
Drawings
Fig. 1 is a partial cross-sectional view of an inventive high pressure seal for rectangular cross-sections.
Fig. 2 is a partial schematic view of an inventive pressure pad.
Detailed Description
The utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the same and to refer to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or other elements or groups thereof.
1-2, in order to achieve the above object, the present utility model adopts the following technical solutions, including:
the upper end of the mold pressure-bearing wall 110 is provided with a rectangular opening 111.
The cover plate 120 is disposed above the mold pressure-bearing wall 110 and detachably connected to the mold pressure-bearing wall 110, and the lower end surface of the cover plate 120 abuts against the mold pressure-bearing wall 110 to open or close the rectangular opening 111. As a preference, further comprising: the plurality of through holes are respectively arranged at the edge of the cover plate 120; a plurality of mounting holes are arranged at the upper end of the model pressure-bearing wall 110 and correspond to the through holes one by one; the nut 151 is disposed above the through hole; the bolts 152 sequentially pass through the nuts 151 and the through holes, and are inserted into the mounting holes, for connecting the cover plate 120 with the mold pressure-receiving wall 110. Further preferably, a flat washer 153 is provided between the lower end surface of the nut 151 and the cover plate 120.
A flat cover 130 is disposed below the cover plate 120 and detachably connected to the cover plate 120, and an outer circumference of the flat cover 130 is adapted to an inner circumference of the rectangular opening 111; preferably, the cover plate 120 and the flat cover 130 are detachably connected by a screw 160.
A rectangular receiving groove 131 is provided at an upper edge of the outer circumference of the flat cover 130. A sealing assembly is provided in the rectangular receiving groove 131 for sealing the rectangular opening 111 and the flat cover 130. Preferably, the sealing assembly is composed of a first gasket 141, a sealing rubber strip 142, a second gasket 143, and a pressure pad 144 from bottom to top. Further preferably, rounded structures 144a are provided at four corners of the inner periphery of the press pad 144.
In the use process, the cover plate 120 and the flat cover 130 are connected through the screw 160, then the sealing assembly is installed in the rectangular accommodating groove 131, the model pressure-bearing wall 110 is connected with the cover plate 120 through the nut 151 and the bolt 152, and finally the pressing pad 144 is pressed through the pressing screw 145, so that the sealing rubber strip 142 deforms to realize the sealing function.
In another embodiment, the seal assembly is comprised of a first gasket 141, a sealing rubber strip 142, a second gasket 143, and a pressure pad 144 from bottom to top.
In another embodiment, the method further comprises: a plurality of compression screw holes penetrating through the cover plate 120 and located right above the rectangular receiving groove 131; and a plurality of compression screws 145 passing through the compression screw holes, wherein the lower ends of the compression screws are abutted against the compression pads 144, and the compression screws are used for compressing the compression pads 144 to deform the sealing rubber strips 142 so as to realize a sealing function.
In another embodiment, the cover plate 120 and the flat cover 130 are detachably connected by screws 160.
In another embodiment, the method further comprises: a plurality of through holes provided at edges of the cover plate 120, respectively; a plurality of mounting holes provided at the upper end of the mold pressure-receiving wall 110 and corresponding to the through holes one by one; a nut 151 disposed above the through hole; and bolts 152 sequentially passing through the nuts 151 and the through holes and inserted into the mounting holes for connecting the cover plate 120 with the mold pressure-receiving wall 110.
In another embodiment, a flat washer 153 is provided between the lower end surface of the nut 151 and the cover plate 120.
In another embodiment, the nut 151 is a high strength nut and the bolt 152 is a high strength bolt.
In another embodiment, the first gasket 141 and the second gasket 143 are red copper gaskets.
In another embodiment, rounded structures 144a are provided at the four corners of the inner ring of the press pad 144.
In summary, the high-pressure sealing structure 1 for rectangular cross section of the present utility model is provided with the cover plate 120 and the flat cover 130 which are detachably connected, and the sealing assembly is arranged in the rectangular accommodating groove 131 at the upper edge of the outer periphery of the flat cover 130, so that the rectangular opening can be sealed.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (9)

1. A high pressure seal structure for rectangular cross section, characterized in that:
the upper end of the model pressure-bearing wall is provided with a rectangular opening;
the cover plate is arranged above the model pressure-bearing wall and detachably connected with the model pressure-bearing wall, and the lower end face of the cover plate is abutted against the model pressure-bearing wall and used for opening or closing the rectangular opening; and
the flat cover is arranged below the cover plate and detachably connected with the cover plate, and the periphery of the flat cover is matched with the inner periphery of the rectangular opening;
a rectangular receiving groove provided at an upper edge of an outer periphery of the flat cover;
a sealing assembly disposed within the rectangular receiving groove for sealing the rectangular opening and the flat cover.
2. The high-pressure seal structure for rectangular cross section according to claim 1, wherein: the sealing assembly consists of a first gasket, a sealing rubber strip, a second gasket and a pressing pad from bottom to top.
3. The high-pressure seal structure for rectangular cross section according to claim 2, further comprising:
the compression screw holes are arranged on the cover plate in a penetrating manner and are positioned right above the rectangular accommodating groove;
the plurality of compression screws penetrate through the compression screw holes, the lower ends of the compression screws are in butt joint with the compression pads and are used for tightly pressing the compression pads, so that the sealing rubber strips deform to realize a sealing function.
4. The high-pressure seal structure for rectangular cross section according to claim 1 or 2, characterized in that: the cover plate and the flat cover are detachably connected through screws.
5. The high-pressure seal structure for rectangular cross section according to claim 1 or 2, characterized in that:
a plurality of through holes provided at edges of the cover plate, respectively;
the mounting holes are arranged at the upper end of the model pressure-bearing wall and correspond to the through holes one by one;
a nut disposed above the through hole;
and the bolt sequentially passes through the nut and the through hole and is inserted into the mounting hole, so as to connect the cover plate with the pressure-bearing wall of the model.
6. The high-pressure seal structure for rectangular cross section according to claim 5, wherein: and a flat washer is arranged between the lower end face of the nut and the cover plate.
7. The high-pressure seal structure for rectangular cross section according to claim 5, wherein: the nut is a high-strength nut, and the bolt is a high-strength bolt.
8. The high-pressure seal structure for rectangular cross section according to claim 2, wherein: the first gasket and the second gasket are red copper gaskets.
9. The high-pressure seal structure for rectangular cross section according to claim 2, wherein: and round corner structures are arranged at four corners of the inner ring of the pressing pad.
CN202321373750.4U 2023-06-01 2023-06-01 High-pressure sealing structure for rectangular section Active CN219975326U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321373750.4U CN219975326U (en) 2023-06-01 2023-06-01 High-pressure sealing structure for rectangular section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321373750.4U CN219975326U (en) 2023-06-01 2023-06-01 High-pressure sealing structure for rectangular section

Publications (1)

Publication Number Publication Date
CN219975326U true CN219975326U (en) 2023-11-07

Family

ID=88597222

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321373750.4U Active CN219975326U (en) 2023-06-01 2023-06-01 High-pressure sealing structure for rectangular section

Country Status (1)

Country Link
CN (1) CN219975326U (en)

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