CN217206334U - Novel sleeve pipe secondary metal seal device - Google Patents
Novel sleeve pipe secondary metal seal device Download PDFInfo
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- CN217206334U CN217206334U CN202220330644.7U CN202220330644U CN217206334U CN 217206334 U CN217206334 U CN 217206334U CN 202220330644 U CN202220330644 U CN 202220330644U CN 217206334 U CN217206334 U CN 217206334U
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- sleeve
- ring
- way joint
- metal sealing
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Abstract
The utility model discloses a novel sleeve secondary metal sealing device, which comprises a sleeve four-way A, a sleeve four-way B and a sleeve, wherein the sleeve four-way A and the sleeve four-way B are connected to the outer wall of the sleeve, and the sleeve four-way A is connected to the sleeve four-way B through a bolt component; the device also comprises a metal sealing ring, a pressure ring, an adjusting ring and a support ring of the secondary sealing device; the adjacent ends of the sleeve four-way joint A and the sleeve four-way joint B are provided with stepped holes, metal sealing rings are placed in the stepped holes, one end of each compression ring is connected to the metal sealing rings, and the other end of each compression ring is connected to the adjusting ring; the adjusting ring is connected to the support ring, and the support ring is abutted to the sleeve four-way joint B. The utility model discloses the installation is simple and convenient, adopts the metal to the sealed form of metal, satisfies the highly compressed operating mode of oil field high temperature, has practiced thrift the cost, alleviates operation personnel intensity of labour.
Description
Technical Field
The utility model relates to an oil machinery technical field especially relates to a novel sleeve pipe secondary metal seal device.
Background
It is known that petroleum is one of the main targets of geological exploration and is a viscous, dark brown liquid called "industrial blood", and the upper part of the crust has a petroleum reservoir, the main component of which is a mixture of various alkanes, cycloalkanes and aromatics.
At present, in the drilling and fracturing processes at home and abroad, the traditional secondary sealing device adopts rubber sealing. Due to the working conditions of high temperature and high pressure in the oil field, the rubber material is easy to age and needs to be replaced periodically, so that the operation cost and the labor intensity of workers are greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel sleeve pipe secondary metal seal device, the installation is simple and convenient, adopts the metal to the sealed form of metal, satisfies the highly compressed operating mode of oil field high temperature, has practiced thrift the cost, alleviates operation personnel intensity of labour to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel sleeve secondary metal sealing device comprises a sleeve four-way A, a sleeve four-way B and a sleeve, wherein the sleeve four-way A and the sleeve four-way B are connected to the outer wall of the sleeve, and the sleeve four-way A is connected to the sleeve four-way B through a bolt assembly; the device also comprises a metal sealing ring, a pressure ring, an adjusting ring and a support ring of the secondary sealing device; the adjacent ends of the sleeve four-way joint A and the sleeve four-way joint B are provided with stepped holes, metal sealing rings are placed in the stepped holes, one end of each compression ring is connected to the metal sealing rings, and the other end of each compression ring is connected to the adjusting ring; the adjusting ring is connected to the support ring, and the support ring is abutted to the sleeve four-way joint B.
The utility model discloses a further improvement is, metal seal ring places in the second order hole in step hole, and metal seal ring is close to sleeve pipe cross B's one end and is equipped with annular wedge groove, and clamping ring one end and wedge groove adaptation and joint are in the wedge groove.
The utility model discloses a further improvement is, metal seal's interior anchor ring and outer anchor ring are equipped with the recess, and the inside and outside both sides of the metal seal of wedge groove open end are annular lug, inboard lug butt in the inside and outside wall of sleeve pipe wall, the lug butt in the second order hole in the outside.
The utility model discloses a further improvement scheme is, the surface of inside and outside both sides lug is the cambered surface on the metal seal circle.
The utility model discloses a further improvement scheme is, the section of wedge groove is the frustum form.
The utility model discloses a further improvement scheme is, the inclined plane of wedge groove both sides is 15.
The utility model discloses a further improvement is, adjustable ring thread fit in the one end of support ring, the other end butt of support ring in sleeve pipe cross B.
The utility model discloses a further improvement scheme is, be equipped with two fabrication holes on the adjustable ring.
The utility model discloses a further improvement is, sleeve pipe cross B is equipped with the holding hole with sleeve pipe cross A's looks proximal end, and the holding hole outer lane is equipped with 45 chamfers, and the one end outside of support ring is equipped with the inclined plane with the chamfer adaptation, and inclined plane butt on the support ring is in chamfer department, and the outer wall sliding fit of support ring is in the first order hole lateral wall in step hole.
The utility model discloses a further improvement scheme is, be equipped with two pressure balance holes on the clamping ring.
The utility model has the advantages that:
first, the utility model discloses a novel sleeve pipe secondary metal seal device, the installation is simple and convenient, adopts the metal to the sealed form of metal, satisfies the highly compressed operating mode of oil field high temperature, has practiced thrift the cost, alleviates operation personnel intensity of labour.
Second, the utility model discloses a novel sleeve pipe secondary metal seal device, metal seal ring's interior anchor ring and outer anchor ring are equipped with the recess, guarantee that metal seal ring changes and produces deformation, guarantee sealed effect.
Third, the utility model discloses a novel sleeve pipe secondary metal seal device, clamping ring one end and wedge groove adaptation and joint are guaranteed to cooperate more firmly between clamping ring and the metal seal circle in the wedge groove.
Fourth, the utility model discloses a novel sleeve pipe secondary metal seal device, adjustable ring thread fit in the one end of support ring, has played the effect of regulation.
Fifth, the utility model discloses a novel sleeve pipe secondary metal seal device is equipped with two fabrication holes on the adjustable ring, screws the adjustable ring during easy to assemble.
Sixth, the utility model discloses a novel sleeve pipe secondary metal seal device is equipped with two pressure balance holes on the clamping ring, is used for balancing the pressure of clamping ring both sides, prevents the clamping ring displacement about the during operation produces.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is the structural schematic diagram of the sleeve four-way a, the sleeve four-way B and the sleeve of the present invention.
In the figure: the sleeve comprises a 1-sleeve four-way joint A, a 101-stepped hole, a 2-sleeve four-way joint B, a 201-containing hole, a 202-chamfer, a 3-sleeve, a 4-metal sealing ring, a 401-wedge groove, a 402-groove, a 403-bump, a 5-pressure ring, a 501-pressure balance hole, a 6-adjusting ring, a 601-process hole and a 7-support ring.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Example 1: as shown in fig. 1 to 3, a novel casing secondary metal sealing device includes a casing cross-joint a1, a casing cross-joint B2, and a casing 3, wherein the casing cross-joint a1 and the casing cross-joint B2 are connected to the outer wall of the casing 3, and the casing cross-joint a1 is connected to the casing cross-joint B2 through a bolt assembly; the device also comprises a metal sealing ring 4, a pressure ring 5, an adjusting ring 6 and a support ring 7 of the secondary sealing device; the adjacent end of the sleeve four-way joint A1 and the sleeve four-way joint B2 is provided with a step hole 101, a metal sealing ring 4 is placed in the step hole 101, one end of a pressure ring 5 is connected with the metal sealing ring 4, and the other end of the pressure ring is connected with an adjusting ring 6; the adjusting ring 6 is connected with the support ring 7, and the support ring 7 abuts against the sleeve four-way joint B2; the metal sealing ring 4 is placed in a secondary hole of the step hole 101, an annular wedge groove 401 is formed in one end, close to the sleeve four-way joint B2, of the metal sealing ring 4, and one end of the pressing ring 5 is matched with the wedge groove 401 and clamped in the wedge groove 401; grooves 402 are formed in the inner ring surface and the outer ring surface of the metal sealing ring 4, annular convex blocks 403 are arranged on the inner side and the outer side of the metal sealing ring 4 at the opening end of the wedge groove 401, the convex block 403 on the inner side abuts against the inner wall of the sleeve 3, and the convex block 403 on the outer side abuts against the side wall of the secondary hole; the outer surfaces of the convex blocks 403 on the inner side and the outer side of the metal sealing ring 4 are cambered surfaces; the section of the wedge groove 401 is in a frustum shape; the inclined planes on the two sides of the wedge groove 401 are 15 degrees; the adjusting ring 6 is in threaded fit with one end of the supporting ring 7, and the other end of the supporting ring 7 abuts against the sleeve four-way joint B2; two process holes 601 are formed in the adjusting ring 6; the adjacent end of the sleeve four-way joint B2 and the sleeve four-way joint A1 is provided with an accommodating hole 201, the outer opening of the accommodating hole 201 is provided with a chamfer 202 with an angle of 45 degrees, the outer side of one end of the support ring 7 is provided with an inclined plane matched with the chamfer 202, the inclined plane on the support ring 7 is abutted against the chamfer 202, and the outer wall of the support ring 7 is in sliding fit with the side wall of a first-step hole of the step hole 101.
Example 2: the present embodiment is a further improvement of embodiment 1, and the main improvement is that in the use of embodiment 1, the compression ring 5 is easy to displace left and right during the operation; in the present embodiment, the above-mentioned defects can be avoided, specifically:
two pressure balance holes 501 are formed in the pressure ring 5; in this embodiment, two pressure balance holes 501 are provided on the pressure ring 5 for balancing the pressures at the two sides of the pressure ring 5, so as to prevent the pressure ring 5 from generating a left and right displacement during operation.
Otherwise, this embodiment is identical to embodiment 1, and will not be described herein.
The utility model discloses specific theory of operation as follows:
during operation, when the bolt assembly is screwed, the sleeve four-way joint B2 pushes the support ring 7 upwards, the support ring 7 displaces the press ring 5 through the screwed adjusting ring 6, so that the metal sealing ring 4 deforms, the convex block 403 on the inner side of the metal sealing ring 4 extrudes the outer wall of the sleeve 3, and the convex block 403 on the outer side extrudes the side wall of the second-step hole of the step hole 101, thereby forming metal sealing.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A novel sleeve secondary metal sealing device comprises a sleeve four-way joint A (1), a sleeve four-way joint B (2) and a sleeve (3), wherein the sleeve four-way joint A (1) and the sleeve four-way joint B (2) are connected to the outer wall of the sleeve (3), and the sleeve four-way joint A (1) is connected to the sleeve four-way joint B (2) through a bolt assembly; the method is characterized in that: the device also comprises a metal sealing ring (4) of the secondary sealing device, a pressure ring (5), an adjusting ring (6) and a support ring (7); the adjacent ends of the sleeve four-way joint A (1) and the sleeve four-way joint B (2) are provided with step holes (101), metal sealing rings (4) are placed in the step holes (101), one end of a pressing ring (5) is connected to the metal sealing rings (4), and the other end of the pressing ring is connected to an adjusting ring (6); the adjusting ring (6) is connected to the support ring (7), and the support ring (7) is abutted to the sleeve four-way joint B (2).
2. The novel casing secondary metal seal device of claim 1, wherein: the metal sealing ring (4) is placed in a second-order hole of the stepped hole (101), an annular wedge groove (401) is formed in one end, close to the sleeve four-way joint B (2), of the metal sealing ring (4), and one end of the pressing ring (5) is matched with the wedge groove (401) and clamped in the wedge groove (401).
3. A novel casing secondary metal seal device as claimed in claim 2, wherein: grooves (402) are formed in the inner ring surface and the outer ring surface of the metal sealing ring (4), annular convex blocks (403) are arranged on the inner side and the outer side of the metal sealing ring (4) at the opening end of the wedge groove (401), the convex blocks (403) on the inner side abut against the inner wall of the sleeve (3), and the convex blocks (403) on the outer side abut against the side wall of the secondary hole.
4. A novel double-pipe secondary metal sealing device as claimed in claim 3, wherein: the outer surfaces of the convex blocks (403) on the inner side and the outer side of the metal sealing ring (4) are cambered surfaces.
5. A novel double-pipe secondary metal sealing device as claimed in claim 3, wherein: the section of the wedge groove (401) is in a frustum shape.
6. The novel bushing secondary metal seal device of claim 5, wherein: the inclined planes on the two sides of the wedge groove (401) are 15 degrees.
7. The novel casing secondary metal seal device of claim 1, wherein: the adjusting ring (6) is in threaded fit with one end of the supporting ring (7), and the other end of the supporting ring (7) abuts against the sleeve four-way joint B (2).
8. The novel casing secondary metal seal of claim 7, wherein: two process holes (601) are formed in the adjusting ring (6).
9. The novel bushing secondary metal seal device of claim 6, wherein: the sleeve four-way joint is characterized in that an accommodating hole (201) is formed in the adjacent end of the sleeve four-way joint B (2) and the sleeve four-way joint A (1), a 45-degree chamfer (202) is formed in the outer opening of the accommodating hole (201), an inclined plane adaptive to the chamfer (202) is formed in the outer side of one end of the support ring (7), the inclined plane on the support ring (7) abuts against the chamfer (202), and the outer wall of the support ring (7) is in sliding fit with the side wall of a first-order hole of the step hole (101).
10. A novel double pipe secondary metal seal assembly as claimed in any one of claims 1 to 9 wherein: and two pressure balance holes (501) are formed in the pressure ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220330644.7U CN217206334U (en) | 2022-02-18 | 2022-02-18 | Novel sleeve pipe secondary metal seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220330644.7U CN217206334U (en) | 2022-02-18 | 2022-02-18 | Novel sleeve pipe secondary metal seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217206334U true CN217206334U (en) | 2022-08-16 |
Family
ID=82797152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220330644.7U Active CN217206334U (en) | 2022-02-18 | 2022-02-18 | Novel sleeve pipe secondary metal seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217206334U (en) |
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2022
- 2022-02-18 CN CN202220330644.7U patent/CN217206334U/en active Active
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