CN217354324U - Novel metal sealing mechanism - Google Patents
Novel metal sealing mechanism Download PDFInfo
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- CN217354324U CN217354324U CN202220340854.4U CN202220340854U CN217354324U CN 217354324 U CN217354324 U CN 217354324U CN 202220340854 U CN202220340854 U CN 202220340854U CN 217354324 U CN217354324 U CN 217354324U
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Abstract
The utility model discloses a novel metal sealing mechanism, which comprises a supporting seat, wherein the supporting seat is cylindrical; the upper metal sealing ring is arranged on the top surface of the supporting seat; a lower metal seal ring disposed outside the upper metal seal ring; and the metal sealing check ring is arranged on the top surface of the lower metal sealing ring. The utility model is suitable for a sealed technical field, through the inseparable laminating of upper portion metal seal circle and lower part metal seal circle that sets up, place the metal sealing retaining ring of appropriate thickness according to the on-the-spot installation sleeve pipe condition, novel metal seal mechanism is through going up the flange bolt fastening from top to bottom, drives supporting seat and lower part metal seal circle axial displacement, makes lower part metal seal circle and upper portion metal seal circle extrude each other, and radial deformation improves sealed effect, and is good to neutrality, the installation of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the metal seal, specifically be a novel metal seal mechanism.
Background
The metal sealing mechanism is a sealing structure arranged on the oil pipe, so that the sealing effect of the metal sealing mechanism can be further improved, and the secondary sealing of the oil pipe is realized;
the novel metal sealing mechanism is used for secondary sealing of the lower part of an oil pipe head or a casing head on a casing;
in the prior art, under the condition that a wellhead is provided with a high-pressure gas well containing high H2S, the adopted gas well is basically soft seal or metal seal with poor interchangeability, and the seal design has the characteristics of long service life, high seal pressure, severe working condition in use and good compatibility.
But current metal seal mechanism is when sealed, does not set up better seal structure, leads to the junction gap not sealed completely, can lead to sealing performance not enough, leads to the problem that its life descends.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem in the background art, provide a novel metal sealing mechanism.
The utility model adopts the technical scheme as follows:
a novel metal seal mechanism comprising:
the supporting seat is cylindrical;
the upper metal sealing ring is arranged on the top surface of the supporting seat;
the lower metal sealing ring is arranged on the outer side of the upper metal sealing ring; and
and the metal sealing check ring is arranged on the top surface of the lower metal sealing ring.
The upper portion metal seal circle and the lower part metal seal circle of setting closely laminate, place the metal seal retaining ring of appropriate thickness according to the on-the-spot installation sleeve pipe condition, and novel metal seal mechanism drives supporting seat and lower part metal seal circle axial displacement through upper and lower flange bolt fastening, makes lower part metal seal circle and upper portion metal seal circle extrude each other, and radial deformation improves sealed effect.
Preferably, the supporting seat comprises a supporting body, a first built-in groove is formed in an inner cavity of the supporting body, and a mounting groove is formed in the side face of the supporting body.
Preferably, the upper metal sealing ring comprises a first sealing ring main body, an outer inclined plane is arranged on the outer side of the first sealing ring main body, and a second built-in groove is formed in the inner cavity of the first sealing ring main body.
The installation of the support body is facilitated in the installation groove, and the installation of the support seat is simpler.
Preferably, the lower metal sealing ring comprises a second sealing ring main body, a limiting groove is formed in the outer side of the second sealing ring main body, a third built-in groove is formed in the inner cavity of the second sealing ring main body, and an inner inclined plane is formed in the inner wall of the third built-in groove.
Preferably, the outer inclined surface is matched with the inner inclined surface.
Preferably, the inner cavity of the metal sealing retainer ring is provided with a fourth built-in groove.
Preferably, the first built-in groove, the second built-in groove, the third built-in groove and the fourth built-in groove are matched.
The outer inclined plane on the upper metal sealing ring and the inner inclined plane on the lower metal sealing ring are matched with each other, the outer inclined plane and the inner inclined plane can be attached to each other when the sealing device is installed, the centering performance is good, and the installation is convenient.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the upper portion metal seal circle and the lower part metal seal circle of setting closely laminate, place the metal seal retaining ring of appropriate thickness according to the scene installation sleeve pipe condition, novel metal seal mechanism is through upper and lower flange bolt tightening, drives supporting seat and lower part metal seal circle axial displacement, makes lower part metal seal circle and upper portion metal seal circle extrude each other, and radial deformation improves sealed effect.
2. The utility model discloses in, the outer inclined plane on the upper portion metal seal circle agrees with each other with the interior inclined plane on the metal seal circle of lower part, and outer inclined plane, interior inclined plane can laminate each other when the installation, and centering nature is good, the installation of being convenient for.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of the support base of the present invention;
FIG. 4 is a cross-sectional view of the middle upper metal seal ring of the present invention;
fig. 5 is a cross-sectional view of the metal seal ring of the present invention.
The labels in the figure are: 1. a supporting seat; 11. a support body; 12. a first built-in slot; 13. mounting grooves; 2. an upper metal seal ring; 21. a first seal ring body; 22. a second built-in slot; 23. an outer bevel; 3. a lower metal seal ring; 31. a second seal ring body; 32. a limiting groove; 33. a third built-in groove; 34. an inner bevel; 4. and a metal sealing retainer ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1:
referring to fig. 1-5, a novel metal sealing mechanism comprises a supporting seat 1, wherein the supporting seat 1 is cylindrical; the upper metal sealing ring 2 is arranged on the top surface of the supporting seat 1; the lower metal sealing ring 3 is arranged on the outer side of the upper metal sealing ring 2; and the metal sealing check ring 4 is arranged on the top surface of the lower metal sealing ring 3.
The upper portion metal seal ring 2 and the lower part metal seal ring 3 of setting closely laminate, place the metal seal retaining ring 4 of appropriate thickness according to the on-the-spot installation sleeve pipe condition, and novel metal seal mechanism drives supporting seat 1 and 3 axial displacement of lower part metal seal ring through upper and lower flange bolt tightening, makes lower part metal seal ring 3 and upper portion metal seal ring 2 extrude each other, and radial deformation improves sealed effect.
Example 2:
the supporting seat 1 comprises a supporting body 11, a first built-in groove 12 is formed in an inner cavity of the supporting body 11, and a mounting groove 13 is formed in the side surface of the supporting body 11.
The upper metal sealing ring 2 comprises a first sealing ring main body 21, an outer inclined surface 23 is arranged on the outer side of the first sealing ring main body 21, and a second built-in groove 22 is formed in the inner cavity of the first sealing ring main body 21.
The installation of the supporting body 11 is facilitated by the installation groove 13, so that the installation of the supporting seat 1 is simpler.
Example 3:
the lower metal sealing ring 3 comprises a second sealing ring main body 31, a limiting groove 32 is formed in the outer side of the second sealing ring main body 31, a third built-in groove 33 is formed in the inner cavity of the second sealing ring main body 31, and an inner inclined surface 34 is formed in the inner wall of the third built-in groove 33.
The outer ramp 23 cooperates with the inner ramp 34.
The inner cavity of the metal sealing retainer ring 4 is provided with a fourth built-in groove.
The first built-in slot 12, the second built-in slot 22, the third built-in slot 33 and the fourth built-in slot are matched
The outer inclined plane 23 on the upper metal sealing ring 2 and the inner inclined plane 34 on the lower metal sealing ring 3 are matched with each other, and the outer inclined plane 23 and the inner inclined plane 34 can be attached to each other during installation, so that the centering performance is good, and the installation is convenient.
According to the working principle, referring to fig. 1-5, when the oil pipe head or casing head sealing device is used, the supporting seat 1 is nested on the outer side of the oil pipe head or casing head, then the supporting seat 1 and the lower metal sealing ring 3 are tightened through the upper flange bolt and the lower flange bolt, the supporting seat 1 and the lower metal sealing ring 3 are driven to move axially, the lower metal sealing ring 3 and the upper metal sealing ring 2 are extruded mutually and deform radially, the oil pipe head or casing head is sealed, the outer inclined surface 23 on the upper metal sealing ring 2 and the inner inclined surface 34 on the lower metal sealing ring 3 are matched mutually, when the oil pipe head or casing head sealing device is installed, the outer inclined surface 23 and the inner inclined surface 34 can be attached mutually, the centering performance is good, and the installation is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (7)
1. A novel metal seal mechanism, comprising:
the supporting seat (1), the supporting seat (1) is cylindrical;
the upper metal sealing ring (2), the upper metal sealing ring (2) is arranged on the top surface of the supporting seat (1);
the lower metal sealing ring (3) is arranged on the outer side of the upper metal sealing ring (2); and
and the metal sealing retainer ring (4) is arranged on the top surface of the lower metal sealing ring (3).
2. A novel metal seal mechanism as claimed in claim 1, wherein: the supporting seat (1) comprises a supporting body (11), a first built-in groove (12) is formed in an inner cavity of the supporting body (11), and a mounting groove (13) is formed in the side face of the supporting body (11).
3. A novel metal seal mechanism as claimed in claim 2, wherein: the upper metal sealing ring (2) comprises a first sealing ring main body (21), an outer inclined surface (23) is arranged on the outer side of the first sealing ring main body (21), and a second built-in groove (22) is formed in the inner cavity of the first sealing ring main body (21).
4. A novel metal seal mechanism as claimed in claim 3, wherein: lower part metal seal circle (3) include second sealing washer main part (31), spacing groove (32) have been seted up in the outside of second sealing washer main part (31), third built-in groove (33) have been seted up to the inner chamber of second sealing washer main part (31), the inner wall of third built-in groove (33) is equipped with interior inclined plane (34).
5. A novel metal seal mechanism as claimed in claim 4, wherein: the outer inclined surface (23) is matched with the inner inclined surface (34).
6. A novel metal seal mechanism as claimed in claim 4, wherein: and a fourth built-in groove is formed in the inner cavity of the metal sealing retainer ring (4).
7. A novel metal seal mechanism as claimed in claim 6, wherein: the first built-in groove (12), the second built-in groove (22), the third built-in groove (33) and the fourth built-in groove are matched.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220340854.4U CN217354324U (en) | 2022-02-21 | 2022-02-21 | Novel metal sealing mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220340854.4U CN217354324U (en) | 2022-02-21 | 2022-02-21 | Novel metal sealing mechanism |
Publications (1)
Publication Number | Publication Date |
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CN217354324U true CN217354324U (en) | 2022-09-02 |
Family
ID=83047263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202220340854.4U Active CN217354324U (en) | 2022-02-21 | 2022-02-21 | Novel metal sealing mechanism |
Country Status (1)
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CN (1) | CN217354324U (en) |
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2022
- 2022-02-21 CN CN202220340854.4U patent/CN217354324U/en active Active
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Effective date of registration: 20221115 Address after: No. 16, Xihenggang Street, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province 215141 Patentee after: Suzhou Dawson Drilling and Production Equipment Co.,Ltd. Address before: 215137 Taiping Town, Suzhou, Jiangsu, Xiangcheng District Patentee before: SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT Co.,Ltd. |