CN211950456U - Connecting sleeve of eccentric water distributor - Google Patents
Connecting sleeve of eccentric water distributor Download PDFInfo
- Publication number
- CN211950456U CN211950456U CN202020567582.2U CN202020567582U CN211950456U CN 211950456 U CN211950456 U CN 211950456U CN 202020567582 U CN202020567582 U CN 202020567582U CN 211950456 U CN211950456 U CN 211950456U
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- sleeve
- filter screen
- lower sleeve
- water distributor
- eccentric
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Abstract
The utility model discloses an eccentric water distributor connecting sleeve, which belongs to the field of water distributor devices, and comprises a lower sleeve, wherein the outer side of the lower end of the lower sleeve is connected with a nut through threads, the upper end of the nut is tightly pressed and clamped with a filter screen, the outer surface of a water inlet of the lower sleeve is sleeved with the filter screen, the upper end of the filter screen is inserted into the groove of the lower sleeve, the upper end of the lower sleeve is connected with an upper sleeve through thread grooves and threads, the lower end of the upper sleeve is tightly attached with a rubber ring on the lower sleeve, the eccentric water distributor connecting sleeve can tightly fasten the outer surface of the lower end of the lower sleeve by using the threads of the nut to prevent the filter screen from being fastened and installed and from slipping downwards, the design of the filter; the lower sleeve is screwed through the upper sleeve thread, so that the inner equipment is convenient to disassemble, assemble, detect and maintain, the friction force can be increased by the design of the rubber ring, and the tightness of the upper sleeve and the lower sleeve is increased.
Description
Technical Field
The utility model relates to a water injection mandrel device field, more specifically says, relates to an eccentric water injection mandrel adapter sleeve.
Background
The eccentric water distributor is one of downhole tools for separate-layer quantitative water injection according to different water absorption capacities of oil layers. When normal water injection is carried out, the rubber tube of the packer is in an open state, and an oil layer is divided into a plurality of water injection layer sections. The plug in each water injection layer section is positioned at the upper expansion part of the eccentric hole of the water distributor by a cam, and the upper and lower groups of four packing of the plug seal the eccentric hole liquid outlet hole. The injected water enters the annular space of the oil pipe through the filter screen, the water nozzle, the sealing section liquid outlet groove and the eccentric hole liquid outlet hole and then is injected into the target layer. The layered water injection quantity is controlled by the diameter of the water nozzle. When the diameter of the water nozzle is not appropriate, the water nozzle can be replaced at any time.
The existing eccentric water distributor has the advantages that impurities can easily enter the water inlet, so that resistance is increased when the eccentric water distributor inside the sleeve runs, normal work is affected, and meanwhile, the whole eccentric water distributor is generally designed in a sleeve structure, and internal equipment is inconvenient to detect and maintain. Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide an eccentric water distributor connecting sleeve, which can fasten and install a filter screen by screwing the outer surface of the lower end of a lower sleeve by using a nut thread to prevent downward slippage, and the design of the filter screen can filter impurities and prevent the impurities from entering the lower sleeve to influence the normal work; the lower sleeve is screwed through the upper sleeve thread, so that the inner equipment is convenient to disassemble, assemble, detect and maintain, the friction force can be increased by the design of the rubber ring, and the tightness of the upper sleeve and the lower sleeve is increased.
In order to solve the above problems, the utility model adopts the following technical proposal.
The connecting sleeve of the eccentric water distributor comprises a lower sleeve, wherein a nut is connected to the outer side of the lower end of the lower sleeve through threads, a filter screen is tightly pressed and clamped at the upper end of the nut, the filter screen is sleeved on the outer surface of a water inlet of the lower sleeve, the upper end of the filter screen is inserted into the groove of the lower sleeve, the upper end of the lower sleeve is connected with an upper sleeve through thread grooves and threads, a rubber ring is tightly attached to the lower sleeve at the lower end of the upper sleeve, the connecting sleeve of the eccentric water distributor can fasten and mount the filter screen by screwing the outer surface of the lower end of the lower sleeve through the threads of the nut, downward slippage is prevented, impurities can be filtered through the design of the filter screen, and the impurities are; the lower sleeve is screwed through the upper sleeve thread, so that the inner equipment is convenient to disassemble, assemble, detect and maintain, the friction force can be increased by the design of the rubber ring, and the tightness of the upper sleeve and the lower sleeve is increased.
Further, the outer surface of the lower sleeve is tightly attached to the inner side of the filter screen, the outer surface of the lower end of the lower sleeve is tightly screwed through the nut threads, and the filter screen can be fastened and installed to prevent downward slipping.
Further, the filter screen is made for stainless steel material, and the design of filter screen can filter impurity, prevents that impurity from getting into sleeve inside influence normal work down.
Furthermore, the water distributor device is arranged inside the upper sleeve and the lower sleeve, and the lower sleeve is screwed tightly through the upper sleeve thread, so that the internal equipment is convenient to disassemble, assemble, detect and maintain.
Furthermore, the upper end face and the lower end face of the rubber ring are provided with anti-skidding stripes, friction force can be increased through the design of the rubber ring, and installation tightness of the upper sleeve and the lower sleeve is increased.
Compared with the prior art, the utility model has the advantages of:
(1) according to the scheme, the outer surface of the lower end of the lower sleeve is screwed tightly by using the nut threads, so that the filter screen can be fastened and installed to prevent downward slippage, impurities can be filtered by the design of the filter screen, and the impurities are prevented from entering the lower sleeve to influence normal operation; the lower sleeve is screwed through the upper sleeve thread, so that the inner equipment is convenient to disassemble, assemble, detect and maintain, the friction force can be increased by the design of the rubber ring, and the tightness of the upper sleeve and the lower sleeve is increased.
(2) The outer surface of the lower sleeve is tightly attached to the inner side of the filter screen, the outer surface of the lower end of the lower sleeve is tightly screwed through the nut threads, and the filter screen can be fastened and installed to prevent downward slipping.
(3) The filter screen is made for stainless steel material, and the design of filter screen can filter impurity, prevents that impurity from getting into sleeve inside influence normal work down.
(4) Go up the telescopic internally mounted with lower sleeve and have the water injection mandrel device, turn round tight lower sleeve through last sleeve screw, make things convenient for dismouting inspection maintenance internal plant.
(5) The upper end face and the lower end face of the rubber ring are provided with anti-skidding stripes, friction force can be increased through the design of the rubber ring, and the installation tightness of the upper sleeve and the lower sleeve is increased.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged cross-sectional view of the nut of the present invention.
The reference numbers in the figures illustrate:
1 lower sleeve, 11 nuts, 12 filter screens, 13 water inlets, 14 grooves, 2 upper sleeve, 21 thread groove and 22 rubber ring.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-2, an eccentric water distributor connecting sleeve comprises a lower sleeve 1, a nut 11 is connected to the outer side of the lower end of the lower sleeve 1 through threads, a filter screen 12 is clamped and connected to the upper end of the nut 11 in a pressing mode, the filter screen 12 is sleeved on the outer surface of a water inlet 13 of the lower sleeve 1, the upper end of the filter screen 12 is inserted into a groove 14 of the lower sleeve 1, an upper sleeve 2 is connected to the upper end of the lower sleeve 1 through a thread groove 21 in a threaded mode, and a rubber ring 22 is tightly attached to the lower end of the upper sleeve 2 and is tightly attached to the.
Referring to fig. 1-2, the inner side of the filter screen 12 is tightly attached to the outer surface of the lower sleeve 1, the outer surface of the lower end of the lower sleeve 1 is screwed by the nut 11, the filter screen 12 can be fastened and installed to prevent slipping downwards, the filter screen 12 is made of stainless steel, and the filter screen 12 is designed to filter impurities and prevent the impurities from entering the inner part of the lower sleeve 1 to affect normal operation.
Referring to fig. 1, the water distributor device is installed inside the upper sleeve 2 and the lower sleeve 1, the lower sleeve 1 is screwed tightly through the threads of the upper sleeve 2, the internal device is convenient to disassemble, assemble, detect and maintain, the upper end face and the lower end face of the rubber ring 22 are provided with anti-slip stripes, the design of the rubber ring 22 can increase friction, and the installation tightness of the upper sleeve 2 and the lower sleeve 1 is increased.
This eccentric water injection mandrel adapter sleeve, insert inside recess 14 with filter screen 12 upper end, and use nut 11 screw thread to turn round 1 lower extreme surface of tight lower sleeve, can fasten the installation to filter screen 12, prevent downward slippage, filter screen 12's design can filter impurity, prevent that impurity from getting into 1 inside influence normal work of lower sleeve, turn round tight lower sleeve 1 through 2 screw threads of last sleeve, 2 lower terminal surfaces of last sleeve compress tightly rubber ring 22 in lower sleeve 1, make the sleeve whole dismouting that can carry out, conveniently detect the maintenance internal plant.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides an eccentric injection mandrel adapter sleeve, includes lower sleeve (1), its characterized in that: the utility model discloses a rubber ring, including lower sleeve (1), filter screen (12) are compressed tightly to the upper end of nut (11), the filter screen (12) have been cup jointed to the water inlet (13) surface of lower sleeve (1), inside recess (14) of lower sleeve (1) are inserted to filter screen (12) upper end, there are upper sleeve (2) upper end of lower sleeve (1) through thread groove (21) threaded connection, the lower extreme of upper sleeve (2) is hugged closely has rubber circle (22) in lower sleeve (1).
2. The connecting sleeve of an eccentric water distributor according to claim 1, characterized in that: the inner side of the filter screen (12) is tightly attached to the outer surface of the lower sleeve (1).
3. The connecting sleeve of an eccentric water distributor according to claim 1, characterized in that: the filter screen (12) is made of stainless steel materials.
4. The connecting sleeve of an eccentric water distributor according to claim 1, characterized in that: and water distributor devices are arranged in the upper sleeve (2) and the lower sleeve (1).
5. The connecting sleeve of an eccentric water distributor according to claim 1, characterized in that: and the upper end surface and the lower end surface of the rubber ring (22) are provided with anti-skid stripes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020567582.2U CN211950456U (en) | 2020-04-16 | 2020-04-16 | Connecting sleeve of eccentric water distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020567582.2U CN211950456U (en) | 2020-04-16 | 2020-04-16 | Connecting sleeve of eccentric water distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950456U true CN211950456U (en) | 2020-11-17 |
Family
ID=73164834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020567582.2U Active CN211950456U (en) | 2020-04-16 | 2020-04-16 | Connecting sleeve of eccentric water distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211950456U (en) |
-
2020
- 2020-04-16 CN CN202020567582.2U patent/CN211950456U/en active Active
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