CN223282021U - Working cylinder convenient to dock fast - Google Patents

Working cylinder convenient to dock fast

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Publication number
CN223282021U
CN223282021U CN202422913923.8U CN202422913923U CN223282021U CN 223282021 U CN223282021 U CN 223282021U CN 202422913923 U CN202422913923 U CN 202422913923U CN 223282021 U CN223282021 U CN 223282021U
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CN
China
Prior art keywords
working cylinder
cylinder
flange
butt joint
working
Prior art date
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Active
Application number
CN202422913923.8U
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Chinese (zh)
Inventor
武佳楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daqing Naigu Petroleum Machinery Equipment Manufacturing Co ltd
Original Assignee
Daqing Naigu Petroleum Machinery Equipment Manufacturing Co ltd
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Publication date
Application filed by Daqing Naigu Petroleum Machinery Equipment Manufacturing Co ltd filed Critical Daqing Naigu Petroleum Machinery Equipment Manufacturing Co ltd
Priority to CN202422913923.8U priority Critical patent/CN223282021U/en
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Publication of CN223282021U publication Critical patent/CN223282021U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a working cylinder convenient for quick butt joint, which comprises a first working cylinder, wherein a first flange is welded and fixed at the end part of the first working cylinder, a second working cylinder is arranged at one side of the first working cylinder, a second flange is welded and fixed at one end of the second working cylinder close to the first working cylinder, a plurality of groups of equally spaced screw connection mounting holes are uniformly formed in the surfaces of the second flange and the first flange, and a butt joint cylinder is fixedly arranged on the inner wall surface of the first working cylinder. The working cylinder convenient to quickly butt joint has the advantages that the contact area and the stress area between the first working cylinder and the second working cylinder are increased, the larger contact area is favorable for forming a tighter seal, the risk of oil gas leakage is reduced, the contact area is increased, the working cylinder can more uniformly distribute load when bearing complex working conditions such as underground pressure, temperature change and mechanical vibration, and the local stress concentration is reduced, so that the integral bearing capacity is improved.

Description

Working cylinder convenient to dock fast
Technical Field
The utility model relates to the field of oilfield exploitation equipment, in particular to a working cylinder convenient for rapid butt joint.
Background
In oil field exploitation, the working cylinder is an important downhole tool, is a tubular structure and is made of high-strength metal materials, and mainly plays a key role in providing mounting and supporting positions for other downhole tools, for example, in layer exploitation, different production allocation devices are mounted on the working cylinder to control different oil layer yields, the working cylinder is beneficial to realizing operations such as pressure control and fluid separation and storage, in water injection operation, the working cylinder can form a relatively sealed space to ensure accurate control of water injection pressure and water injection amount, and is used as a channel to guide the flow direction of fluid, ensure that oil gas flows according to a preset path to improve exploitation efficiency, and the working cylinder plays an important role in oil field exploitation, and realizes effective control and optimization of oil well production through cooperation with other downhole tools;
The butt joint mode between the working cylinders mainly adopts threaded connection, wherein matching threads are machined at two ends of the working cylinders, the working cylinders are screwed in a rotating mode to realize butt joint, the butt joint is tight in connection, after the butt joint is finished, the small contact area means that the sealing difficulty is increased, oil gas leakage is easy to occur, the small contact area can enable local stress to be too large, deformation and damage of the working cylinders are easy to occur, and cracks and even fracture can occur at the position with concentrated stress in a downhole high-pressure environment.
Disclosure of utility model
The utility model aims to provide a working cylinder convenient for rapid butt joint, which solves the problems that the small contact area in the background technology can cause overlarge local stress and easily cause deformation and damage of the working cylinder, and cracks and even breaks can occur at the part with concentrated stress in a high-pressure underground environment.
In order to achieve the above-mentioned purpose, provide a working barrel convenient to dock fast, including first working barrel, the tip welded fastening first flange of first working barrel, and one side installation second working barrel of first working barrel, the one end welded fastening second flange that second working barrel is close to first working barrel simultaneously, and the multiunit equidistance sets up the spiro union mounting hole evenly is offered to second flange and the surface of first flange, first working barrel inner wall surface fixed mounting butt joint section of thick bamboo, and the one end welded fastening butt joint seat of first working barrel is kept away from to the butt joint section of thick bamboo, the second working barrel includes the supporting seat, and the upside installation sealing pad of supporting seat, sealing pad fixed mounting is in the inside upside of second working barrel simultaneously.
Preferably, the first working cylinder and the second working cylinder are fixedly connected through a first flange and a second flange, and the first flange and the second flange are sealed through an annular sealing piece.
Preferably, the axial sections of the first working cylinder and the butt joint cylinder are of concentric circle structures, the butt joint cylinder is inserted into the second working cylinder, and the axial sections of the butt joint cylinder and the second working cylinder are of concentric circle structures.
Preferably, the supporting seat surface is provided with a supporting groove, the supporting groove is in annular arrangement, meanwhile, the supporting groove is matched with the size of the butt joint seat, the butt joint seat is inserted into the supporting groove, and the butt joint seat is in annular arrangement.
Preferably, the first working cylinder and the second working cylinder are in butt joint through a butt joint cylinder, a butt joint seat, a supporting seat and a supporting groove, and the butt joint cylinder and the second working cylinder are sealed through a sealing gasket.
Preferably, the sealing gasket is clamped on the surface of the clamping seat, the clamping seat is fixedly arranged on the upper side of the inner wall of the second working cylinder, the sealing gasket is of an annular structure made of rubber materials, and the inner diameter of the sealing gasket is smaller than the outer diameter of the butt joint cylinder.
Compared with the prior art, the utility model has the following beneficial effects:
1. The sealing gasket is deformed to increase the area covered on the surface of the butt joint cylinder, so that the sealing performance of the butt joint between the first working cylinder and the second working cylinder is improved, an inner sealing structure between the first working cylinder and the second working cylinder is formed, and an outer sealing structure between the first working cylinder and the second working cylinder is formed between the first flange, the second flange and the sealing gasket;
2. According to the utility model, the first working cylinder and the second working cylinder are in butt joint through the butt joint cylinder, the butt joint seat, the support seat and the support groove, the contact area and the stress area between the first working cylinder and the second working cylinder are increased, the larger contact area is beneficial to forming a tighter seal, the risk of oil gas leakage is reduced, the contact area is increased, the working cylinders can more uniformly distribute load when bearing complex working conditions such as underground pressure, temperature change and mechanical vibration, and the local stress concentration is reduced, so that the integral bearing capacity is improved.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a bottom view of the structure of the present utility model;
FIG. 3 is a rear elevational view of the structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at A;
FIG. 5 is a second mandrel schematic;
Fig. 6 is a schematic view of a first mandrel.
The reference numerals in the figure are 1, a first working cylinder, 11, a butt joint cylinder, 12, a butt joint seat, 2, a second working cylinder, 21, a supporting seat, 22, a supporting groove, 23, a clamping seat, 24, a sealing gasket, 3, a first flange, 4, a sealing sheet, 5 and a second flange.
Detailed Description
Referring to fig. 1-6, the utility model provides a working cylinder convenient for quick butt joint, which comprises a first working cylinder 1 and is characterized in that a first flange 3 is welded and fixed at the end part of the first working cylinder 1, a second working cylinder 2 is arranged at one side of the first working cylinder 1, a second flange 5 is welded and fixed at one end of the second working cylinder 2 close to the first working cylinder 1, a plurality of groups of equally spaced screw connection mounting holes are uniformly formed on the surfaces of the second flange 5 and the first flange 3, a butt joint cylinder 11 is fixedly arranged on the inner wall surface of the first working cylinder 1, a butt joint seat 12 is welded and fixed at one end of the butt joint cylinder 11 far away from the first working cylinder 1, the second working cylinder 2 comprises a supporting seat 21, a sealing gasket 24 is arranged at the upper side of the supporting seat 21, and the sealing gasket 24 is fixedly arranged at the upper side of the inner part of the second working cylinder 2.
As a preferred embodiment, the first working cylinder 1 and the second working cylinder 2 are fixedly connected through a first flange 3 and a second flange 5, and the first flange 3 and the second flange 5 are sealed through an annular sealing piece 4;
as a preferred embodiment, the first working cylinder 1 and the second working cylinder 2 are in butt joint through the butt joint cylinder 11, the butt joint seat 12, the supporting seat 21 and the supporting groove 22, and the butt joint cylinder 11 and the second working cylinder 2 are sealed through the sealing gasket 24.
When in use, an operator inserts the butt joint cylinder 11 fixedly connected with the end part of the first working cylinder 1 on the inner wall surface of the second working cylinder 2, when the butt joint cylinder 11 is inserted into the second working cylinder 2, the sealing gasket 24 is fixedly compressed, so that the sealing gasket 24 deforms to increase the area covered on the surface of the butt joint cylinder 11, the sealing performance of the butt joint between the first working cylinder 1 and the second working cylinder 2 is improved, an inner sealing structure between the first working cylinder 1 and the second working cylinder 2 is formed, and meanwhile, when the butt joint seat 12 at the end part of the butt joint cylinder 11 is inserted into the supporting groove 22, the butt joint work between the first working cylinder 1 and the second working cylinder 2 is finished, and at the moment, the first flange 3 and the second flange 5 are in sealing connection by utilizing a plurality of groups of bolts, and an outer sealing structure between the first working cylinder 1 and the second working cylinder 2 is formed between the first flange 3, the second flange 5 and the sealing gasket 24;
As a preferred embodiment, the supporting seat 21 is provided with a supporting groove 22 on its surface, the supporting groove 22 is annular, the supporting groove 22 is matched with the size of the docking seat 12, the docking seat 12 is inserted into the supporting groove 22, and the docking seat 12 is annular.
The bearing device comprises a first working cylinder 1, a second working cylinder 2, a butt joint cylinder 11, a butt joint seat 12, a supporting seat 21 and a supporting groove 22, wherein the butt joint cylinder 11, the butt joint seat 12, the supporting seat 21 and the supporting groove 22 are arranged between the first working cylinder 1 and the second working cylinder 2 in use, the contact area and the stress area between the first working cylinder 1 and the second working cylinder 2 are increased, the larger contact area is favorable for forming a tighter seal, the risk of oil gas leakage is reduced, the oil gas is effectively prevented from leaking from a joint under high pressure, the environmental protection requirement and the safety standard in the production process are ensured to be met, the contact area is increased, the load of the working cylinders can be distributed more uniformly when the working cylinders bear complex working conditions such as underground pressure, temperature change and mechanical vibration, and the local stress concentration is reduced, and the whole bearing capacity is improved.
As a preferred embodiment, the axial sections of the first working cylinder 1 and the butt joint cylinder 11 are concentric circular structures, the butt joint cylinder 11 is inserted into the second working cylinder 2, and the axial sections of the butt joint cylinder 11 and the second working cylinder 2 are concentric circular structures.
As a preferred embodiment, the sealing pad 24 is clamped on the surface of the clamping seat 23, the clamping seat 23 is fixedly arranged on the upper side of the inner wall of the second working cylinder 2, meanwhile, the sealing pad 24 is of an annular structure made of rubber material, and the inner diameter of the sealing pad 24 is smaller than the outer diameter of the abutting cylinder 11.
When an operator uses the butt joint barrel 11 fixedly connected with the end part of the first working barrel 1 is spliced on the inner wall surface of the second working barrel 2, and when the butt joint barrel 11 is spliced in the second working barrel 2, the sealing gasket 24 is fixedly compressed, so that the sealing gasket 24 is deformed to increase the area covered on the surface of the butt joint barrel 11, the sealing performance of the butt joint between the first working barrel 1 and the second working barrel 2 is improved, and an internal sealing structure between the first working barrel 1 and the second working barrel 2 is formed; meanwhile, when the butt joint seat 12 at the end part of the butt joint cylinder 11 is spliced in the supporting groove 22, the butt joint work is completed between the first working cylinder 1 and the second working cylinder 2, at the moment, the first flange 3 and the second flange 5 are connected in a sealing way by utilizing a plurality of groups of bolts, an external sealing structure between the first working cylinder 1 and the second working cylinder 2 is formed between the first flange 3, the second flange 5 and the sealing gasket 24, the two groups of sealing structures work simultaneously, the tightness between the first working cylinder 1 and the second working cylinder 2 can be improved, leakage is not easy to occur at the connecting part, the first working cylinder 1 and the second working cylinder 2 are butted through the butt joint cylinder 11, the butt joint seat 12, the supporting seat 21 and the supporting groove 22, the contact area between the first working cylinder 1 and the second working cylinder 2 is increased, the contact area is more favorable for forming a tighter seal, the risk of oil gas leakage is reduced, the oil gas leakage from the connecting part is effectively prevented, the environment-friendly requirement and the safety standard in the production process can be met, the contact area is increased, the working cylinder is enabled to bear the underground pressure, the temperature change, the mechanical stress is more evenly distributed and the vibration stress is evenly distributed when the mechanical stress is concentrated, thereby improving the overall load carrying capacity.

Claims (6)

1. A working cylinder convenient to dock fast comprises a first working cylinder (1) and is characterized in that a first flange (3) is welded and fixed at the end part of the first working cylinder (1), a second working cylinder (2) is installed on one side of the first working cylinder (1), meanwhile, a second flange (5) is welded and fixed at one end of the second working cylinder (2) close to the first working cylinder (1), a plurality of groups of screw mounting holes are evenly formed in the surfaces of the second flange (5) and the first flange (3) at equal intervals, a docking cylinder (11) is fixedly installed on the inner wall surface of the first working cylinder (1), a docking cylinder (11) is welded and fixed at one end of the docking cylinder (11) far away from the first working cylinder (1), the second working cylinder (2) comprises a supporting seat (21), a sealing gasket (24) is installed on the upper side of the supporting seat (21), and meanwhile, the sealing gasket (24) is fixedly installed on the upper side of the inside of the second working cylinder (2).
2. The working cylinder convenient to quickly dock according to claim 1, wherein the first working cylinder (1) and the second working cylinder (2) are fixedly connected through a first flange (3) and a second flange (5), and the first flange (3) and the second flange (5) are sealed through an annular sealing piece (4).
3. The working cylinder convenient to quickly dock according to claim 1, wherein the axial sections of the first working cylinder (1) and the docking cylinder (11) are of concentric circle structures, the docking cylinder (11) is inserted into the second working cylinder (2), and the axial sections of the docking cylinder (11) and the second working cylinder (2) are of concentric circle structures.
4. A working cylinder convenient to quickly dock according to claim 3, wherein the supporting seat (21) is provided with a supporting groove (22) on the surface, the supporting groove (22) is in annular arrangement, meanwhile, the supporting groove (22) is matched with the docking seat (12) in size, the docking seat (12) is spliced in the supporting groove (22), and the docking seat (12) is in annular arrangement.
5. A working cylinder convenient for quick butt joint according to claim 1, wherein the first working cylinder (1) and the second working cylinder (2) are in butt joint through a butt joint cylinder (11), a butt joint seat (12), a supporting seat (21) and a supporting groove (22), and the butt joint cylinder (11) and the second working cylinder (2) are sealed through a sealing gasket (24).
6. The working cylinder convenient to fast dock according to claim 1, wherein the sealing gasket (24) is clamped on the surface of the clamping seat (23), the clamping seat (23) is fixedly arranged on the upper side of the inner wall of the second working cylinder (2), the sealing gasket (24) is of an annular structure made of rubber materials, and the inner diameter of the sealing gasket (24) is smaller than the outer diameter of the docking cylinder (11).
CN202422913923.8U 2024-11-28 2024-11-28 Working cylinder convenient to dock fast Active CN223282021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202422913923.8U CN223282021U (en) 2024-11-28 2024-11-28 Working cylinder convenient to dock fast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202422913923.8U CN223282021U (en) 2024-11-28 2024-11-28 Working cylinder convenient to dock fast

Publications (1)

Publication Number Publication Date
CN223282021U true CN223282021U (en) 2025-08-29

Family

ID=96840083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202422913923.8U Active CN223282021U (en) 2024-11-28 2024-11-28 Working cylinder convenient to dock fast

Country Status (1)

Country Link
CN (1) CN223282021U (en)

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