CN220687292U - Sliding sleeve device with switching function - Google Patents
Sliding sleeve device with switching function Download PDFInfo
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- CN220687292U CN220687292U CN202322169707.2U CN202322169707U CN220687292U CN 220687292 U CN220687292 U CN 220687292U CN 202322169707 U CN202322169707 U CN 202322169707U CN 220687292 U CN220687292 U CN 220687292U
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 40
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a sliding sleeve device with a switching function, which comprises: the outer barrel, the inner tube and the elastic buckling piece, the outer barrel is fixedly arranged, first recess and second recess are opened on the inner peripheral wall of the outer barrel, and the first recess and the second recess are respectively located on two sides in the outer barrel, the inner barrel is sleeved in the outer barrel along the axial movement through a tool, the elastic buckling piece is arranged outside the inner barrel, one end of the elastic buckling piece is fixed on the outer peripheral wall of the inner barrel, the other end of the elastic buckling piece is provided with a convex piece, when the sliding sleeve device is in an open state, the convex piece is clamped in the first recess, when the sliding sleeve device is in a closed state, the convex piece is clamped in the second recess, and the beneficial effects of the utility model are that: the elastic clamping piece moves axially along with the inner cylinder, after the sliding sleeve device is started out of the well, the elastic clamping piece does not need to be replaced, and when the sliding sleeve device is used subsequently, the elastic clamping piece is matched with the two grooves continuously, so that the switching function of the sliding sleeve device cannot be disabled.
Description
Technical Field
The utility model relates to the technical field of drainage gas production tools, in particular to a sliding sleeve device with a switching function.
Background
The switch sliding sleeve device is an underground tool device which is widely applied to the transformation of oil and gas fields and the sectional exploitation of well completion pipe strings and can be selectively opened or closed, a clamping groove is arranged in each switch sliding sleeve device, an elastic clamping piece is matched in the clamping groove, in the structural design of the switch sliding sleeve component, the elastic clamping piece and the clamping groove are matched to work, the switch sliding sleeve can be in an opened or closed state due to the matching of the elastic clamping piece and the clamping groove, but due to the insufficient strength of the elastic clamping piece, the elastic clamping piece needs to be lifted out and replaced after each use of the switch sliding sleeve device, when the switch sliding sleeve device is used again, the size of the replaced elastic clamping piece and the original elastic clamping piece possibly changes, the matching of the replaced elastic clamping piece and the clamping groove fails, the elastic clamping piece cannot be matched in the clamping groove, and the matching failure of the elastic clamping piece and the clamping groove can lead to the failure of the switch function of the switch sliding sleeve device.
Disclosure of Invention
The utility model aims to provide a sliding sleeve device with a switching function, which aims to solve the technical problems that an internal structural part of the existing switching sliding sleeve device needs to be replaced after each use, so that the switching function of the switching sliding sleeve device is invalid.
The utility model is realized by the following technical scheme:
a sliding sleeve device with a switching function, comprising:
the outer barrel is fixedly arranged, a first groove and a second groove are formed in the inner peripheral wall of the outer barrel, and the first groove and the second groove are arranged in the outer barrel at intervals;
the inner cylinder is sleeved in the outer cylinder through the tool to enable the inner cylinder to move along the axial direction;
the elastic clamping piece is arranged outside the inner cylinder, one end of the elastic clamping piece is fixed on the peripheral wall of the inner cylinder, the other end of the elastic clamping piece is provided with a convex piece, and the section shape of the convex piece is matched with the section shapes of the first groove and the second groove;
the convex piece clamped in the first groove is forced to be clamped in the second groove from the first groove by the axial movement of the inner cylinder in the outer cylinder, so that the sliding sleeve device is switched from an open state to a closed state.
The elastic clamping piece is of a strip-shaped card structure, and the long side of the elastic clamping piece is parallel to the axis of the inner cylinder.
Optionally, the elastic fastener is made of stainless steel.
Optionally, a second through hole is formed in the side wall of the inner barrel.
Optionally, a first through hole is formed in the side wall of the outer barrel;
when the sliding sleeve device is in an open state, the first through hole is communicated with the second through hole, and when the sliding sleeve device is in a closed state, the first through hole is communicated with the second through hole Kong Geduan.
Optionally, the outer side wall of the inner cylinder is provided with a first sealing structure and a second sealing structure, the first sealing structure and the second sealing structure are located between the second through hole and the elastic clamping piece, the first sealing structure is close to the second through hole, and the second sealing structure is close to the elastic clamping piece;
when the sliding sleeve device is in an open state, the first sealing structure and the second sealing structure are far away from the first through hole, and the first through hole and the second through hole are communicated;
when the sliding sleeve device is in a closed state, the first through hole is located between the first sealing structure and the second sealing structure, and then the first through hole and the second through hole Kong Geduan are formed.
Optionally, the inside upper joint that corresponds, lower joint that are connected respectively in both ends of urceolus, the both ends inside of urceolus have the internal thread, and upper joint and lower joint all have the external screw thread, and the urceolus passes through screw thread fit with the upper joint, and the urceolus passes through screw thread fit with the lower joint.
Optionally, the two ends of the inner cylinder are respectively butted with the upper joint and the lower joint so as to limit the axial movement of the inner cylinder.
Optionally, the distance between the first groove and the second groove is greater than the distance between the inner barrel and the lower joint plus the distance between the inner barrel and the upper joint.
Optionally, the axes of the upper connector, the outer cylinder, the inner cylinder and the lower connector are on the same straight line.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the utility model relates to an elastic clamping piece, wherein one end of the elastic clamping piece is fixed on the peripheral wall of an inner cylinder, the elastic clamping piece moves axially along with the inner cylinder, a convex piece is arranged at the other end of the elastic clamping piece, and in the process that the convex piece moves axially along with the inner cylinder, when the convex piece is clamped in a first groove, a sliding sleeve device is in an open state, namely a first through hole and a second through hole are conducted, and when the convex piece is clamped in a second groove, the sliding sleeve device is in a closed state, namely the first through hole and the second through hole are not conducted. Because the elastic buckle spare is fixed on the inner tube, and the elastic buckle spare moves along with the inner tube is axial along with the inner tube, and after the sliding sleeve device was opened from the well, need not change the elastic buckle spare, and the elastic buckle spare still is in the sliding sleeve device, and when the sliding sleeve device was used subsequently, elastic buckle spare and two recesses continued to cooperate, and the switching function of sliding sleeve device can not become invalid, if need change the elastic buckle spare when, only need dismantle top connection and lower clutch, the elastic buckle spare is direct to take out from in the sliding sleeve device.
2. The distance between the first groove and the second groove is equal to the distance between the inner cylinder and the lower joint plus the distance between the inner cylinder and the upper joint, and the distance between the first groove and the second groove is consistent with the movable travel of the inner cylinder between the upper joint and the lower joint.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a cross-sectional view of a construction of an operating condition of the present utility model;
fig. 2 is a cross-sectional structural view showing another operation state of the present utility model.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-upper joint, a 2-outer cylinder, a 21-first through hole, a 22-first groove, a 23-second groove, a 3-inner cylinder, a 31-second through hole, a 4-first sealing structure, a 5-second sealing structure, a 6-elastic clamping piece, a 61-convex piece and a 7-lower joint.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1
As shown in fig. 1-2, this embodiment provides a sliding sleeve device with a switching function, including: the outer cylinder 2, the inner cylinder 3 and the elastic clamping piece 6 are fixedly arranged, namely, two ends of the outer cylinder 2 are respectively abutted between the upper connector 1 and the lower connector 7, a first groove 22 and a second groove 23 are formed in the inner peripheral wall of the outer cylinder 2, the first groove 22 and the second groove 23 are arranged at intervals in the outer cylinder 2, the inner peripheral wall of the inner cylinder 3 can be connected to external threads (an anchor rod pullout instrument) of a tool through internal threads, the tool drives the inner cylinder 3 to axially move and is sleeved in the outer cylinder 2, the elastic clamping piece 6 is arranged outside the inner cylinder 3, one end of the elastic clamping piece 6 is fixed on the outer peripheral wall of the inner cylinder 3, a convex piece 61 is arranged at the other end of the elastic clamping piece 6, the convex piece 61 is a lug, the convex piece 61 is clamped in the first groove 22 (shown in fig. 1), or the convex piece 61 is clamped in the second groove 23 (shown in fig. 2). The sliding sleeve device is switched from the open state to the closed state by the axial movement of the inner cylinder 3 in the outer cylinder 2 forcing the convex piece 61 clamped in the first groove 22 to be clamped in the second groove 23 from the first groove 22.
The elastic clamping piece 6 is of a strip-shaped card structure, the long side of the elastic clamping piece 6 is parallel to the axis of the inner cylinder 3, and the elastic clamping piece 6 is made of stainless steel.
The side wall of the inner cylinder 3 is provided with a second through hole 31, the side wall of the outer cylinder 2 is provided with a first through hole 21, when the inner cylinder 3 is in an open state, the first through hole 21 is communicated with the second through hole 31, and when the inner cylinder 3 is in a closed state, the first through hole 21 is separated from the second through hole 31.
The outer side wall of the inner cylinder 3 is provided with a first sealing structure 4 and a second sealing structure 5, the first sealing structure 4 and the second sealing structure 5 are positioned between the second through hole 31 and the elastic clamping piece 6, the first sealing structure 4 is close to the second through hole 31, and the second sealing structure 5 is close to the elastic clamping piece 6. It should be noted that, the first sealing structure 4 and the second sealing structure 5 are provided with sealing grooves on the outer side wall of the inner cylinder 3, the sealing rings are sleeved in the sealing grooves, and the sealing grooves and the sealing rings are matched to form the sealing structure.
The two ends of the outer cylinder 2 are respectively connected with the corresponding upper joint 1 and lower joint 7, the two ends of the outer cylinder 2 are internally provided with internal threads, the upper joint 1 and the lower joint 7 are externally provided with external threads, the outer cylinder 2 is in threaded fit with the upper joint 1, and the outer cylinder 2 is in threaded fit with the lower joint 7.
The two ends of the inner cylinder 3 are respectively butted with the upper joint 1 and the lower joint 7, the upper joint 1 and the lower joint 7 are used for limiting the axial moving distance of the inner cylinder 3, and the distance between the first groove 22 and the second groove 23 is equal to the distance between the inner cylinder 3 and the lower joint 7 plus the distance between the inner cylinder 3 and the upper joint 1, and the axes of the upper joint 1, the outer cylinder 2, the inner cylinder 3 and the lower joint 7 are on the same straight line.
As can be seen from fig. 1-2, the interior of the upper joint 1 is in communication through the interior of the outer cylinder 2, the interior of the inner cylinder 3 to the interior of the lower joint 7, and thus from the upper joint 1 at the left end to the lower joint 7 at the end.
Example 2
Based on embodiment 1, as shown in fig. 1-2, an internal thread connected with a down-hole string is provided inside the upper part or left end of the upper joint 1, the lower part or right end of the upper joint 1 is externally connected with an outer cylinder 2 by threads, the upper part or left end of the lower joint 7 is externally connected with the outer cylinder 2 by threads, and an external thread connected with the down-hole string is provided outside the lower part or right end of the lower joint.
The outer cylinder 2 is provided with a plurality of radial first through holes 21 uniformly distributed in the circumferential direction of the outer cylinder 2 along the axis of the outer cylinder 2. A plurality of radial second through holes 31 are uniformly distributed on the inner cylinder 3 in the circumferential direction of the inner cylinder 3 along the axis of the inner cylinder 3.
When the inner cylinder 3 is in an open state (as shown in fig. 1), the inner cylinder 3 is in an open position, i.e. the convex piece 61 is clamped in the first groove 22, the first through hole 21 and the second through hole 31 are communicated, and external fluid of the outer cylinder 2 passes through the first through hole 21 and the second through hole 31 to the inside of the inner cylinder 3; when the inner cylinder 3 is in a closed state (as shown in fig. 2), i.e. the convex member 61 is clamped in the second groove 23, the first through hole 21 and the second through hole 31 are not communicated any more, and meanwhile, the first sealing structure 4 and the second sealing structure 5 are respectively positioned at the left end and the right end of the first through hole 21, and the first sealing structure 4 and the second sealing structure 5 prevent fluid from entering the outer cylinder 2 from the first through hole 21.
An elastic clamping piece 6 is arranged between the outer barrel 2 and the inner barrel 3, a first groove 22 and a second groove 23 are arranged on the outer barrel 2, the first groove 22 and the second groove 23 can accommodate a convex piece 61 at the right end of the elastic clamping piece 6, a corresponding spring piece groove is arranged on the peripheral wall of the inner barrel 3, the left end of the elastic clamping piece 6 is bent and can be clamped in the spring piece groove, and the bent part of the left end of the elastic clamping piece 6 moves axially along with the inner barrel 3 in the spring piece groove. The first groove 22 is used for limiting the inner cylinder 3 at the closed position, the second groove 23 is used for limiting the inner cylinder 3 at the open position, and the distance between the first groove 22 and the second groove 23 is larger than the movable distance between the upper joint 1 and the lower joint 7 of the inner cylinder 3.
The inner cylinder 3 may be provided with a recess for engagement with a switching means which drives the inner cylinder 3 from an open position to a closed position, during which movement of the inner cylinder 3 from the open position to the closed position the male member 61 of the resilient catch 6 is disengaged from the first recess 22, the male member 61 is compressed within the outer cylinder 2, the resilient catch 6 is deformed by compression inwardly until the male member 61 enters the second recess 23, and the inner cylinder 3 reaches the closed position.
Example 3
Based on embodiment 2, the outer peripheral wall of the inner cylinder 3 is provided with a corresponding elastic sheet groove, the left end of the elastic clamping piece 6 is bent and clamped in the elastic sheet groove, the elastic clamping piece 6 moves axially along with the inner cylinder 3, the right end of the elastic clamping piece 6 is provided with a convex piece 61, when the convex piece 61 is clamped in the first groove 22 in the axial movement process of the inner cylinder 3, the first through hole 21 and the second through hole 31 are conducted, the sliding sleeve device is in an open state, and when the convex piece 61 is clamped in the second groove 23, the first through hole 21 and the second through hole 31 are not conducted, and the sliding sleeve device is in a closed state.
Because the elastic clamping piece 6 is fixed on the inner cylinder 3, the elastic clamping piece 6 moves axially along with the inner cylinder 3, after the sliding sleeve device is started out of the well, the elastic clamping piece 6 does not need to be replaced, the elastic clamping piece 6 is still in the sliding sleeve device, when the sliding sleeve device is used subsequently, the elastic clamping piece 6 is matched with the two grooves continuously, the switching function of the sliding sleeve device cannot be invalid, and the elastic clamping piece 6 can be taken out from the sliding sleeve device after the upper connector 1 and the lower connector 7 are disassembled, so that the elastic clamping piece 6 can be replaced.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. A sliding sleeve device with a switching function, comprising:
the outer barrel (2) is fixedly arranged, a first through hole (21) is formed in the side wall of the outer barrel (2), a first groove (22) and a second groove (23) are formed in the inner peripheral wall of the outer barrel (2), and the first groove (22) and the second groove (23) are arranged in the outer barrel (2) at intervals;
the inner cylinder (3), the both ends of the inner cylinder (3) are respectively butted with the upper joint (1) and the lower joint (7), a second through hole (31) corresponding to the first through hole (21) is formed in the side wall of the inner cylinder (3), and the inner cylinder (3) is sleeved in the outer cylinder (2) by means of a tool to enable the inner cylinder to move along the axial direction;
the elastic clamping piece (6), the elastic clamping piece (6) is of a strip-shaped card structure, the elastic clamping piece (6) is arranged outside the inner cylinder (3), the long side of the elastic clamping piece (6) is parallel to the axis of the inner cylinder (3), the other end of the elastic clamping piece (6) is provided with a convex piece (61), and the section shape of the convex piece (61) is matched with the section shapes of the first groove (22) and the second groove (23);
the first groove (22) is used for limiting the inner cylinder (3) at a closed position, the second groove (23) is used for limiting the inner cylinder (3) at an open position, the distance between the first groove (22) and the second groove (23) is larger than the movable distance between the upper joint (1) and the lower joint (7) of the inner cylinder (3), and the convex piece (61) clamped in the first groove (22) is forced to be clamped in the second groove (23) from the first groove (22) through the axial movement of the inner cylinder (3) in the outer cylinder (2), so that the sliding sleeve device is switched from an open state to a closed state.
2. A sliding sleeve device with a switch function according to claim 1, characterized in that the elastic snap member (6) is made of stainless steel.
3. The sliding sleeve device with the switching function according to claim 1, wherein a first sealing structure (4) and a second sealing structure (5) are arranged on the outer side wall of the inner cylinder (3), the first sealing structure (4) and the second sealing structure (5) are positioned between the second through hole (31) and the elastic clamping piece (6), the first sealing structure (4) is close to the second through hole (31), and the second sealing structure (5) is close to the elastic clamping piece (6); when the sliding sleeve device is in an open state, the first sealing structure (4) and the second sealing structure (5) are far away from the first through hole (21), and the first through hole (21) is communicated with the second through hole (31); when the sliding sleeve device is in a closed state, the first through hole (21) is positioned between the first sealing structure (4) and the second sealing structure (5), and then the first through hole (21) and the second through hole (31) are separated.
4. The sliding sleeve device with a switching function according to claim 1, wherein the inner parts of two ends of the outer cylinder (2) are respectively connected with the corresponding upper joint (1) and the corresponding lower joint (7), the inner parts of two ends of the outer cylinder (2) are provided with internal threads, the upper joint (1) and the lower joint (7) are provided with external threads, the outer cylinder (2) is in threaded fit with the upper joint (1), and the outer cylinder (2) is in threaded fit with the lower joint (7).
5. A sliding sleeve arrangement with a switching function according to claim 4, characterized in that the distance between the first recess (22) and the second recess (23) is greater than the distance between the inner cylinder (3) and the lower joint (7) plus the distance between the inner cylinder (3) and the upper joint (1).
6. A sliding sleeve device with a switching function according to claim 1, characterized in that the axes of the upper joint (1), the outer cylinder (2), the inner cylinder (3) and the lower joint (7) are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169707.2U CN220687292U (en) | 2023-08-14 | 2023-08-14 | Sliding sleeve device with switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169707.2U CN220687292U (en) | 2023-08-14 | 2023-08-14 | Sliding sleeve device with switching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687292U true CN220687292U (en) | 2024-03-29 |
Family
ID=90377309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322169707.2U Active CN220687292U (en) | 2023-08-14 | 2023-08-14 | Sliding sleeve device with switching function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687292U (en) |
-
2023
- 2023-08-14 CN CN202322169707.2U patent/CN220687292U/en active Active
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