CN217403703U - Joint sealing test device - Google Patents
Joint sealing test device Download PDFInfo
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- CN217403703U CN217403703U CN202220750408.0U CN202220750408U CN217403703U CN 217403703 U CN217403703 U CN 217403703U CN 202220750408 U CN202220750408 U CN 202220750408U CN 217403703 U CN217403703 U CN 217403703U
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Abstract
The utility model discloses a joint sealing test device, which consists of a cover plate, a joint connecting part, an upper sealing cavity, a first sealing ring, a second sealing ring, a third sealing ring, a lower sealing cavity, a first bolt, a first nut, a second bolt and a second nut; during sealing test, a test connector is placed into the connector connecting part, the cover plate and the upper sealing cavity are fixedly connected through a first bolt and a first nut so as to tightly press the test connector and the connector connecting part, the lower end face of the upper sealing cavity and the upper end face of the lower sealing cavity are fixedly connected through a second bolt and a second nut to form a test cavity, a threaded interface of the lower sealing cavity is connected with test equipment, pressurized gas is filled into the interface during test, and the interface of the test connector is sealed through a sealing piece. The utility model provides a discover after the gas cylinder welding and leak the problem, make the condemned condition of whole product to realized evading the risk, practice thrift the cost, avoided the extravagant purpose of follow-up production.
Description
Technical Field
The utility model belongs to the technical field of the gas cylinder test device, specifically relate to a joint seal test device.
Background
The cylinder connector is an essential component of the cylinder. The spherical gas cylinder is widely applied to the fields of aerospace gas cylinders and the like, the main structure of the spherical gas cylinder is formed by welding an upper half hemisphere and a lower half hemisphere, and a finished product is formed after welding a joint and the hemispheres and performing procedures such as heat treatment and the like. The prior air tightness test of the spherical gas cylinder joint is carried out after the welding processing of the whole spherical gas cylinder is finished, and if the air tightness test is unqualified, the whole spherical gas cylinder is scrapped. This not only wastes time and labor, and affects the construction period, but also wastes materials and causes economic loss.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above-mentioned problem, compensate prior art not enough, provide a joint seal test device.
A joint sealing test device is composed of a cover plate, a joint connecting part, an upper sealing cavity, a first sealing ring, a second sealing ring, a third sealing ring, a lower sealing cavity, a first bolt, a first nut, a second bolt and a second nut;
the center of the cover plate is provided with a joint connecting through hole, the lower end of the joint connecting through hole is arc-shaped, the arc is matched with the arc of the shoulder of a joint connecting part, and the edge of the cover plate is annularly provided with a bolt connecting hole;
a cavity is arranged in the joint connecting part, the cavity is attached to the test joint, a through hole is formed in the bottom of the cavity, an arc-shaped flange is arranged at the upper end of the joint connecting part, and a shoulder is arranged at one end, close to the test joint, of the arc-shaped flange;
flanges are arranged at the upper end and the lower end of the upper sealing cavity, a cavity is arranged in the upper sealing cavity, a concave part is arranged at the center of the upper end face of the upper sealing cavity, and the concave part is tightly attached to the joint connecting part; the top end of the concave part is provided with an arc-shaped protruding part, the arc-shaped protruding part is tightly attached to the shoulder part of the joint connecting part, a sealing ring groove is axially arranged at the attachment part of the arc-shaped protruding part and the joint connecting part, and a first sealing ring is arranged in the sealing ring groove; a sealing ring groove is radially arranged at the joint of the concave part and the joint connecting part, and a second sealing ring is arranged in the sealing ring groove; the flange edges at the upper end and the lower end of the upper sealing cavity are annularly provided with bolt connecting holes;
a flange is arranged at the upper end of the lower sealing cavity, a groove is arranged on the upper end surface of the lower sealing cavity, and a third sealing ring is arranged in the groove; a cavity is arranged inside the cavity; the lower end of the lower sealing cavity is provided with an outward convex neck, and the edge of the convex neck is provided with a threaded interface;
during sealing test, a test joint is placed into the joint connecting part, the cover plate and the upper sealing cavity are fixedly connected through the first bolt and the first nut, so that the test joint and the joint connecting part are compressed tightly, the lower end face of the upper sealing cavity and the upper end face of the lower sealing cavity are fixedly connected through the second bolt and the second nut to form a test cavity, the threaded interface of the lower sealing cavity is connected with test equipment, pressurized gas is filled into the interface during test, and the interface of the test joint is sealed through a sealing piece.
Preferably, the radius of the cover plate is equal to the radius of the flanges at the upper end and the lower end of the upper sealing cavity and the radius of the flange at the upper end of the lower sealing cavity.
Preferably, two sealing ring grooves are radially arranged at the joint of the concave part and the joint connecting part.
Preferably, a sealing ring groove is axially arranged at the joint of the arc-shaped protruding part and the joint connecting part.
Preferably, the bolt connecting holes are uniformly and equidistantly distributed, and the number of the bolt connecting holes is 8 or 10.
Preferably, the first sealing ring, the second sealing ring and the third sealing ring are made of styrene rubber or acrylonitrile butadiene rubber.
The utility model discloses beneficial effect:
the utility model provides a discovery leak problem after whole spherical gas cylinder welding, make the condemned condition of whole product. The utility model discloses detect separately and connect the gas tightness, if the product of leaking appears, can in time stop follow-up production, avoid the waste of follow-up production, reach the purpose of avoidng the risk, practicing thrift the cost.
Drawings
Fig. 1 is one of the structural schematic diagrams of the joint sealing test device and the test joint of the present invention.
Fig. 2 is a second schematic structural diagram of the joint sealing test device and the test joint of the present invention.
Fig. 3 is a bottom view of the joint sealing test device of the present invention installed in combination with a test joint.
Fig. 4 is a schematic cross-sectional view taken along plane a-a of fig. 3.
The labels in the figure are: the structure comprises a cover plate 1, a connector connecting part 2, an upper sealing cavity 3, a first sealing ring 4, a second sealing ring 5, a third sealing ring 6, a lower sealing cavity 7, a first bolt 8, a first nut 9, a second bolt 10 and a second nut 11.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, it is right to combine the attached drawing and detailed description mode below the utility model discloses further detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
With reference to fig. 1 to 4, the present invention relates to a joint sealing test device, which comprises a cover plate 1, a joint connecting member 2, an upper sealing cavity 3, a first sealing ring 4, a second sealing ring 5, a third sealing ring 6, a lower sealing cavity 7, a first bolt 8, a first nut 9, a second bolt 10, and a second nut 11;
a joint connecting through hole is formed in the center of the cover plate 1, the lower end of the joint connecting through hole is arc-shaped, the arc shape is matched with the arc shape of the shoulder part of the joint connecting part 2, and a bolt connecting hole is formed in the edge of the cover plate 1 in the circumferential direction;
a cavity is arranged in the joint connecting part 2, the cavity is attached to the test joint, a through hole is formed in the bottom of the cavity, an arc-shaped flange is arranged at the upper end of the joint connecting part 2, and a shoulder is arranged at one end, close to the test joint, of the arc-shaped flange;
flanges are arranged at the upper end and the lower end of the upper sealing cavity 3, a cavity is arranged in the upper sealing cavity, a concave part is arranged at the center of the upper end face of the upper sealing cavity 3, and the concave part is tightly attached to the joint connecting part 2; the top end of the concave part is an arc-shaped protruding part, the arc-shaped protruding part is tightly attached to the shoulder part of the joint connecting part 2, a sealing ring groove is axially arranged at the attachment part of the arc-shaped protruding part and the joint connecting part 2, and a first sealing ring 4 is arranged in the sealing ring groove; a sealing ring groove is radially arranged at the joint of the concave part and the joint connecting part 2, and a second sealing ring 5 is arranged in the sealing ring groove; the flange edges at the upper end and the lower end of the upper sealing cavity 3 are annularly provided with bolt connecting holes;
two sealing ring grooves are radially arranged at the joint of the concave part and the joint connecting part 2; a sealing ring groove is axially arranged at the joint of the arc-shaped protruding part and the joint connecting part 2; one seal ring groove and two seal ring grooves are one embodiment;
a flange is arranged at the upper end of the lower sealing cavity 7, a groove is arranged on the upper end surface of the lower sealing cavity 7, and a third sealing ring 6 is arranged in the groove; a cavity is arranged inside; the lower end of the lower sealing cavity 7 is provided with an outward convex neck, and the edge of the convex neck is provided with a threaded interface;
the radius of the cover plate 1 is equal to the radius of flanges at the upper end and the lower end of the upper sealing cavity 3 and the radius of a flange at the upper end of the lower sealing cavity 7;
the bolt connecting holes are uniformly and equidistantly distributed, the number of the bolt connecting holes is 8, and the number of the bolt connecting holes is 8, which is only one embodiment;
the first seal ring 4, the second seal ring 5, and the third seal ring 6 are made of styrene rubber, and the styrene rubber is only one example.
Specifically, combine the utility model discloses a technical scheme and attached drawing explain its and experimental assembly process who connects:
during the sealing test, put into the adapting unit 2 that connects with the test joint, apron 1 and last sealed chamber 3 are connected fixedly through first bolt 8, first nut 9 to compress tightly test joint and adapting unit 2 that connects, the terminal surface is connected fixedly through second bolt 10, second nut 11 with lower sealed chamber 7 up end under the last sealed chamber 3, forms experimental cavity, and 7 threaded interface of lower sealed chamber are connected with test equipment, follow during the test the interface fills and presses the gas, and the test joint kneck passes through the sealing member and seals.
Claims (6)
1. The utility model provides a joint seal test device which characterized in that: the joint sealing test device consists of a cover plate, a joint connecting part, an upper sealing cavity, a first sealing ring, a second sealing ring, a third sealing ring, a lower sealing cavity, a first bolt, a first nut, a second bolt and a second nut;
the center of the cover plate is provided with a joint connecting through hole, the lower end of the joint connecting through hole is arc-shaped, the arc is matched with the arc of the shoulder of a joint connecting part, and the edge of the cover plate is annularly provided with a bolt connecting hole;
a cavity is arranged in the joint connecting part, the cavity is attached to the test joint, a through hole is formed in the bottom of the cavity, an arc-shaped flange is arranged at the upper end of the joint connecting part, and a shoulder is arranged at one end, close to the test joint, of the arc-shaped flange;
flanges are arranged at the upper end and the lower end of the upper sealing cavity, a cavity is arranged in the upper sealing cavity, a concave part is arranged at the center of the upper end face of the upper sealing cavity, and the concave part is tightly attached to the joint connecting part; the top end of the concave part is provided with an arc-shaped protruding part, the arc-shaped protruding part is tightly attached to the shoulder part of the joint connecting part, a sealing ring groove is axially arranged at the attachment part of the arc-shaped protruding part and the joint connecting part, and a first sealing ring is arranged in the sealing ring groove; a sealing ring groove is radially arranged at the joint of the concave part and the joint connecting part, and a second sealing ring is arranged in the sealing ring groove; the flange edges at the upper end and the lower end of the upper sealing cavity are annularly provided with bolt connecting holes;
a flange is arranged at the upper end of the lower sealing cavity, a groove is arranged on the upper end surface of the lower sealing cavity, and a third sealing ring is arranged in the groove; a cavity is arranged inside; the lower end of the lower sealing cavity is provided with an outward protruding neck, and the edge of the inner side of the protruding neck is provided with a threaded interface;
during sealing test, a test joint is placed into the joint connecting part, the cover plate and the upper sealing cavity are fixedly connected through the first bolt and the first nut, so that the test joint and the joint connecting part are compressed tightly, the lower end face of the upper sealing cavity and the upper end face of the lower sealing cavity are fixedly connected through the second bolt and the second nut to form a test cavity, the threaded interface of the lower sealing cavity is connected with test equipment, pressurized gas is filled into the interface during test, and the interface of the test joint is sealed through a sealing piece.
2. A joint seal test apparatus according to claim 1, wherein: the radius of the cover plate is equal to the radius of flanges at the upper end and the lower end of the upper sealing cavity and the radius of a flange at the upper end of the lower sealing cavity.
3. A joint seal test apparatus according to claim 1, wherein: and two sealing ring grooves are radially arranged at the joint of the concave part and the joint connecting part.
4. A joint seal test apparatus according to claim 1, wherein: and a sealing ring groove is axially arranged at the joint of the arc-shaped protruding part and the joint connecting part.
5. A joint seal test apparatus according to claim 1, wherein: the bolt connecting holes are distributed at equal intervals, and the number of the bolt connecting holes is 8 or 10.
6. A joint seal test apparatus according to claim 1, wherein: the first sealing ring, the second sealing ring and the third sealing ring are made of styrene rubber or acrylonitrile butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220750408.0U CN217403703U (en) | 2022-04-02 | 2022-04-02 | Joint sealing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220750408.0U CN217403703U (en) | 2022-04-02 | 2022-04-02 | Joint sealing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217403703U true CN217403703U (en) | 2022-09-09 |
Family
ID=83140753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220750408.0U Active CN217403703U (en) | 2022-04-02 | 2022-04-02 | Joint sealing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217403703U (en) |
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2022
- 2022-04-02 CN CN202220750408.0U patent/CN217403703U/en active Active
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