Hydraulic drive rodless drainage system multi-channel pipe
By designing a multi-channel pipe for a hydraulically driven rodless drainage system, and utilizing the combination of positioning blocks and sealing rings, the problem of mixing of exhaust fluid and well fluid in the hydraulically driven rodless drainage system was solved. This enabled rapid and accurate positioning and sealing connection of the upper and lower joints, improving installation efficiency and sealing effect, and extending the maintenance cycle of the surface system.
Patent Information
- Application Number
- CN202520196923.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Existing hydraulically driven rodless drainage systems have the problem of mixing waste fluid and well fluid before being discharged from coalbed methane and oil wells, increasing the workload of surface system purification and shortening maintenance cycles.
A multi-channel pipe for a hydraulically driven rodless drainage system is designed. The system achieves rapid and accurate positioning by setting a positioning block on the lower connector and cooperating with the positioning groove on the upper connector. The sealing connection is achieved by the cooperation of a sealing ring and an arc-shaped block with the groove, ensuring the precise docking and sealing of the upper and lower connectors.
It enables rapid and accurate positioning and sealing connection of the upper and lower joints, reduces bumps during installation, improves installation efficiency, enhances sealing effect, and extends the maintenance cycle of the ground power system.
Smart Images

Figure CN223647755U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to multi -pass pipe equipment field, concretely is a kind of liquid force drive rodless row mining system multi -pass pipe. BACKGROUND
[0002] Liquid force drive rodless pump row mining technology can be well applied to low-yield liquid well of coalbed gas well, and also effectively solve the eccentric wear problem of oil well.
[0003] At present, the liquid force drive rodless row mining system used in coalbed gas well, due to the restriction of liquid flow channel, open circulation is taken, and during the liquid discharge process, the depleted liquid and well fluid are discharged after mixing in wellbore, which greatly increases the purification workload of ground system and shortens the maintenance cycle of ground power system. This row mining system can also be applied to oil wells. UTILITARY MODEL
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a liquid force drive rodless row mining system multi-pass pipe to solve the problems raised in the above background art. The utility model has a novel structure, and when in use, the positioning block on the lower connector cooperates with the positioning groove of the upper connector to achieve rapid and accurate positioning. Since the upper step aperture of the nut is smaller than the lower connector, the lower connector can be used for limiting, and the nut and the upper connector are tightened during installation to achieve the fastening of the upper and lower connectors.
[0005] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a liquid force drive rodless row mining system multi-pass pipe, comprising a pipe body, an upper connector fixedly installed at one end of the pipe body, a lower connector fixedly installed at the other end of the pipe body, a nut rotatably installed on the lower connector, an opening formed in the upper connector, a sealing groove formed in the inner wall of the opening, and a sealing ring movably installed in the sealing groove.
[0006] Further, the sealing ring is a cylindrical ring, and the cylindrical ring is movably installed in the opening.
[0007] Further, the sealing ring is a circular ring, and the circular ring is movably installed in the sealing groove.
[0008] Further, one end of the pipe body protrudes and is fixed on the lower connector, the circular ring is embedded in the sealing groove, and one end of the pipe body is installed in the opening through the sealing ring.
[0009] Further, a connecting hole is formed between one end of the pipe body and the lower connector, and the connecting hole is flush with the sealing ring.
[0010] Further, a positioning groove is formed in the side of the upper connector, a positioning block is welded to the bottom of the lower connector, and the positioning groove cooperates with the positioning block.
[0011] Further, the upper joint is provided with an arc-shaped slot, and the bottom of the lower joint is welded with an arc-shaped block, which is matched with the arc-shaped slot to realize the longitudinal sealing connection.
[0012] Further, the positioning block and the positioning slot are matched to realize the end face sealing connection of the upper joint and the lower joint.
[0013] Further, the arc-shaped block and the arc-shaped slot are matched to realize the longitudinal sealing connection of the upper joint and the lower joint.
[0014] The utility model discloses the beneficial effect that:
[0015] 1. The hydraulic drive rodless row mining system multichannel pipe, when using, the positioning block on lower joint and the positioning slot of upper joint cooperation realizes quick accurate positioning, because the upper step aperture of nut is smaller than lower joint, and the positioning block and the positioning slot are matched to realize the sealing of the end face between the upper joint and the lower joint.
[0016] 2. The hydraulic drive rodless row mining system multichannel pipe, the height of arc-shaped block is greater than the extension height of pipe body, when installing, can guarantee that upper and lower joint realizes accurate positioning first, then completes the butt joint of pipe body and upper joint upper hole, avoids the knock of pipe body in the installation process, and the radial sealing between the upper joint and the lower joint is realized through the cooperation of arc-shaped block and arc-shaped slot and pipe body and opening. DRAWINGS
[0017] Figure 1 It is the structural schematic diagram of the utility model hydraulic drive rodless row mining system multichannel pipe embodiment one.
[0018] Figure 2 It is the structural schematic diagram of the utility model hydraulic drive rodless row mining system multichannel pipe embodiment one.
[0019] Figure 3 It is the structural schematic diagram of the utility model hydraulic drive rodless row mining system multichannel pipe lower joint embodiment one.
[0020] Figure 4 It is the structural schematic diagram of the utility model hydraulic drive rodless row mining system multichannel pipe upper joint embodiment one.
[0021] Figure 5 It is the structural schematic diagram of the utility model hydraulic drive rodless row mining system multichannel pipe embodiment two.
[0022] Figure 6 It is the structural schematic diagram of the utility model hydraulic drive rodless row mining system multichannel pipe embodiment two.
[0023] Figure 7The utility model discloses a hydraulic drive no -rod row system multichannel pipe upper joint embodiment two's structure schematic diagram.
[0024] Figure 8 The utility model discloses a hydraulic drive no -rod row system multichannel pipe lower joint embodiment two's structure schematic diagram.
[0025] In the drawing: 1, upper joint, 2, pipe body, 3, lower joint, 4, nut, 5, sealing ring, 6, positioning block, 7, positioning groove, 8, arc groove, 9, arc block. DETAILED DESCRIPTION
[0026] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0027] Please refer to Figures 1 to 8 The utility model provides a technical scheme: a hydraulic drive no -rod row system multichannel pipe, including pipe body 2, one end of pipe body 2 is fixedly installed with upper joint 1, the other end of pipe body 2 is fixed with lower joint 3, nut 4 is rotatably installed on lower joint 3, the opening is formed on upper joint 1, the inner wall of opening is opened with sealing groove, sealing ring 5 is movably installed in sealing groove, the periphery of upper joint 1 is threaded, and the fastening is realized when being used in cooperation with nut 4 during installation, and the fastening of upper joint 1 and lower joint 3 is realized when nut 4 and upper joint 1 are tightened during installation.
[0028] Embodiment one: the sealing ring 5 is installed in the upper end sealing groove of the device upper joint 1, and the sealing ring 5 is flushly installed in the upper joint 1 and is hollow cylindrical, the upper joint 1 and the lower joint 3 are combined to form end face sealing when being installed, the positioning groove 7 is formed on the periphery of upper joint 1, and the positioning is realized when being matched with the positioning block 6 of lower joint 3 during installation, the positioning block 6 is matched with the positioning groove 7, and the end face sealing connection is realized when the lower joint 3 is matched with the sealing ring 5 on the upper joint 1.
[0029] Embodiment two: the one end of pipe body 2 protrudes lower joint 3, after the sealing ring 5 is installed in the sealing groove interior, after the one end of pipe body 2 is inserted into the opening interior, the sealing ring 5 contacts the outer wall of pipe body 2 and seals, avoids the knock of pipe body 2 during installation, and the length of arc block 9 is greater than the length of pipe body 2 exposed, the arc block 9 is movably inserted into the arc groove 8 during installation, can guarantee that the upper joint 1 and the lower joint 3 realize accurate positioning first, and the radial sealing between the upper joint 1 and the lower joint 3 is realized by the one end of pipe body 2 matched with the sealing ring 5.
[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A multi-channel pipe for a hydraulically driven rodless drainage system, comprising a pipe body (2), characterized in that: One end of the tube body (2) is fixedly installed with an upper connector (1), and the other end of the tube body (2) is fixed with a lower connector (3). A nut (4) is rotatably installed on the lower connector (3). An opening is made on the upper connector (1). A sealing groove is made on the inner wall of the opening. A sealing ring (5) is movably installed inside the sealing groove.
2. The multi-channel pipe of the hydraulically driven rodless drainage system according to claim 1, characterized in that: The sealing ring (5) is a cylindrical ring, which is movably installed inside the opening.
3. The multi-channel pipe of the hydraulically driven rodless drainage system according to claim 1, characterized in that: The sealing ring (5) is a circular ring, which is movably installed inside the sealing groove.
4. A multi-channel pipe for a hydraulically driven rodless drainage system according to claim 3, characterized in that: One end of the tube (2) protrudes and is fixed on the lower connector (3), the annular ring is embedded in the inside of the sealing groove, and one end of the tube (2) is installed inside the opening through the sealing ring (5).
5. A multi-channel pipe for a hydraulically driven rodless drainage system according to claim 2, characterized in that: A connection hole is provided between one end of the tube body (2) and the lower connector (3), and the connection hole is flush with and fits the sealing ring (5).
6. A multi-channel pipe for a hydraulically driven rodless drainage system according to claim 1, characterized in that: The upper connector (1) has a positioning groove (7) on its side, and the lower connector (3) has a positioning block (6) welded to its bottom. The positioning groove (7) and the positioning block (6) cooperate with each other.
7. A multi-channel pipe for a hydraulically driven rodless drainage system according to claim 1, characterized in that: The upper connector (1) has an arc-shaped groove (8) on its side, and the lower connector (3) has an arc-shaped block (9) welded to its bottom. The arc-shaped block (9) and the arc-shaped groove (8) cooperate to achieve a longitudinal sealing connection.
8. A multi-channel pipe for a hydraulically driven rodless drainage system according to claim 6, characterized in that: The positioning block (6) and positioning groove (7) work together to achieve a sealed connection between the end faces of the upper connector (1) and the lower connector (3).
9. A multi-channel pipe for a hydraulically driven rodless drainage system according to claim 7, characterized in that: The arc-shaped block (9) and the arc-shaped groove (8) cooperate to achieve a longitudinal sealed connection between the upper connector (1) and the lower connector (3).