CN221097048U - Sealing structure of low-temperature cylinder cover plate - Google Patents
Sealing structure of low-temperature cylinder cover plate Download PDFInfo
- Publication number
- CN221097048U CN221097048U CN202322860915.7U CN202322860915U CN221097048U CN 221097048 U CN221097048 U CN 221097048U CN 202322860915 U CN202322860915 U CN 202322860915U CN 221097048 U CN221097048 U CN 221097048U
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- Prior art keywords
- cover plate
- ring
- low
- sealing structure
- circle
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- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
- Gasket Seals (AREA)
Abstract
The utility model discloses a sealing structure of a low-temperature cylinder cover plate, which comprises a cylinder and an air hole thereof, wherein the air hole is provided with a cover plate, the outer ring of the cover plate is fixed on the cylinder through a fastener, and the corresponding cover plate is covered on the outer side of the air hole, and is characterized in that: the cover plate is characterized in that a convex ring is arranged on the inner end face of the cover plate, the convex ring is matched and extends into the air hole, the outer circle of the convex ring is tightly attached to the inner wall of the air hole, a sealing ring is arranged on the outer circle of the corresponding convex ring, a circle of 45-degree chamfer is cut on the outer circle of the inner end of the convex ring, a metal ring is arranged at the chamfer, and the metal ring is extruded to generate deformation to be attached to the contact surface to form triangular seal. The cover plate and the air hole have high matching precision and good pressure sealing effect at low temperature.
Description
Technical Field
The utility model relates to an improved utility model of a low-temperature cylinder, in particular to an improved utility model of a sealing structure of a cover plate of the low-temperature cylinder.
Background
The temperature in the low-temperature cylinder can reach-150 ℃ at the lowest, the cylinder air hole is required to be sealed by the cover plate after corresponding parts are arranged at the cylinder air hole, a sealing ring is arranged between the existing cover plate and the inner wall of the air hole to be used as a sealing structure, however, a single sealing ring is easy to harden under the influence of a low-temperature environment, and the sealing effect is influenced.
Disclosure of utility model
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a sealing structure of a low-temperature cylinder cover plate.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme: this kind of seal structure of low temperature cylinder apron, including cylinder and gas pocket thereof, the gas pocket is furnished with the apron, the apron outer lane is fixed in on the cylinder through the fastener, and the corresponding apron lid is located the gas pocket outside, its characterized in that: the cover plate is characterized in that a convex ring is arranged on the inner end face of the cover plate, the convex ring is matched and extends into the air hole, the outer circle of the convex ring is tightly attached to the inner wall of the air hole, a sealing ring is arranged on the outer circle of the corresponding convex ring, a circle of 45-degree chamfer is cut on the outer circle of the inner end of the convex ring, a metal ring is arranged at the chamfer, and the metal ring is extruded to generate deformation to be attached to the contact surface to form triangular seal.
The roughness of the deformation contact surface of the metal ring is 0.4Ra.
The metal ring is made of aluminum alloy.
The metal ring is processed into a whole-circle circular ring by adopting a whole-circle aluminum alloy.
The circular cross-section size of the whole circle of aluminum alloy is larger than the 45-degree chamfer size of the convex ring.
The deformation extrusion of the metal ring is bolt torque extrusion.
The inner end of the metal ring is abutted against the unloader.
The sealing structure of the improved low-temperature cylinder cover plate has the advantages that the cover plate and the air holes adopt the rabbets, so that the matching precision is ensured, meanwhile, in order to ensure the pressure sealing effect at low temperature, the inner end of the convex ring of the cover plate is cut into a 45-degree chamfer, and meanwhile, reasonable bolt torque is applied to extrude the metal ring to deform and attach to the contact surface to form triangular sealing.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of section I of fig. 1 in accordance with the present utility model.
Detailed Description
The drawings illustrate the structure of the present utility model, and details thereof are further described below with reference to the drawings. In this embodiment, this seal structure of low temperature cylinder apron, including cylinder 1 and gas pocket 2 thereof, gas pocket 2 has been furnished with apron 3, and apron 3 outer lane passes through fastener 4 to be fixed in on the cylinder 1, and the gas pocket 2 outside is located to corresponding apron 3 lid, be equipped with bulge loop 5 on the apron 3 inner end face, bulge loop 5 matches and stretches into gas pocket 2, and bulge loop 5 excircle hugs closely gas pocket 2 inner wall, is equipped with sealing washer 6 on corresponding bulge loop 5 excircle, is equipped with the ring channel that supplies sealing washer 6 to install on the excircle of corresponding bulge loop 5, the excircle of bulge loop 5 inner is cut and is had round 45 chamfer 7, and this chamfer 7 department is equipped with metal loop 8, metal loop 8 receives the extrusion to produce the triangle seal of deformation laminating contact surface, and this department contact surface is chamfer and gas pocket inner wall.
As a further improved specific embodiment, the roughness of the deformation contact surface of the metal ring 8 is 0.4Ra, so that the sealing effect is ensured.
As a further improved specific embodiment, the metal ring 8 is made of aluminum alloy, and the aluminum alloy has good low-temperature performance, so that the low-temperature sealing effect is ensured.
As a further improved specific embodiment, the metal ring 8 is processed into a whole round circular ring by adopting a whole round aluminum alloy, so that the structure is stable, and the sealing performance is ensured.
As a further improved embodiment, the cross-sectional circular size of the whole circle of aluminum alloy is larger than the 45 ° chamfer 7 size of the convex ring 5 so as to ensure that a sufficient deformation amount contacts the sealing surface.
As a further improved specific embodiment, the deformation extrusion of the metal ring 8 is bolt torque extrusion, and rotary extrusion is adopted, so that the fitting is more compact.
As a further improved specific embodiment, the inner end of the metal ring 8 is abutted against the unloader 9 to support the metal ring 8.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a seal structure of low temperature cylinder apron, is including cylinder and gas pocket thereof, the gas pocket is furnished with the apron, the apron outer lane is fixed in on the cylinder through the fastener, and the gas pocket outside is located to corresponding apron lid, its characterized in that: the cover plate is characterized in that a convex ring is arranged on the inner end face of the cover plate, the convex ring is matched and extends into the air hole, the outer circle of the convex ring is tightly attached to the inner wall of the air hole, a sealing ring is arranged on the outer circle of the corresponding convex ring, a circle of 45-degree chamfer is cut on the outer circle of the inner end of the convex ring, a metal ring is arranged at the chamfer, and the metal ring is extruded to generate deformation to be attached to the contact surface to form triangular seal.
2. The sealing structure of the low-temperature cylinder cover plate according to claim 1, wherein: the roughness of the deformation contact surface of the metal ring is 0.4Ra.
3. The sealing structure of the low-temperature cylinder cover plate according to claim 1, wherein: the metal ring is made of aluminum alloy.
4. A sealing structure of a low temperature cylinder cover plate according to claim 1 or 3, characterized in that: the metal ring is processed into a whole-circle circular ring by adopting a whole-circle aluminum alloy.
5. The sealing structure of the low-temperature cylinder cover plate according to claim 4, wherein: the circular cross-section size of the whole circle of aluminum alloy is larger than the 45-degree chamfer size of the convex ring.
6. The sealing structure of the low-temperature cylinder cover plate according to claim 1, wherein: the deformation extrusion of the metal ring is bolt torque extrusion.
7. The sealing structure of the low-temperature cylinder cover plate according to claim 1, wherein: the inner end of the metal ring is abutted against the unloader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322860915.7U CN221097048U (en) | 2023-10-25 | 2023-10-25 | Sealing structure of low-temperature cylinder cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322860915.7U CN221097048U (en) | 2023-10-25 | 2023-10-25 | Sealing structure of low-temperature cylinder cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097048U true CN221097048U (en) | 2024-06-07 |
Family
ID=91326214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322860915.7U Active CN221097048U (en) | 2023-10-25 | 2023-10-25 | Sealing structure of low-temperature cylinder cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097048U (en) |
-
2023
- 2023-10-25 CN CN202322860915.7U patent/CN221097048U/en active Active
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