CN205422567U - Ground soaks adopts casing coupling for uranium - Google Patents
Ground soaks adopts casing coupling for uranium Download PDFInfo
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- CN205422567U CN205422567U CN201520997122.2U CN201520997122U CN205422567U CN 205422567 U CN205422567 U CN 205422567U CN 201520997122 U CN201520997122 U CN 201520997122U CN 205422567 U CN205422567 U CN 205422567U
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- grooving
- casing coupling
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Abstract
The utility model relates to a ground soaks adopts casing coupling for uranium belongs to machinery. The coupling, including tubular structure and packing ring, the whole tubular structure that is of coupling, mid portion's wall thickness degree is greater than the wall thickness degree at both ends from top to bottom, and upper and lower both ends connect for being equipped with the internal screw thread coupling, and mid portion's the inside protuberance chenggong of pipe wall contacts the end for female mouthful, the up end of public female screw thread contact end all is provided with an annular recess with terminal surface down, has put the packing ring in the grooving, the lower surface of packing ring be the plane and with the bottom contact of grooving, the upper surface middle position of packing ring is equipped with packing ring arch, the protruding circle annular bulge that is of packing ring. The utility model discloses can soak the leakproofness of adopting the uranium casing string with improving, have characteristics such as with low costs, that processing is simple, the leakproofness is good moreover.
Description
Technical field
This utility model belongs to mechanical field, is specifically related to a kind of ground-dipping uranium extraction casing coupling.
Background technology
The method of attachment of casing string mainly has two kinds: 1) it is directly connected to, single sleeve pipe one end used when being directly connected to is designed with male thread, the other end is interior screw thread, the interior screw thread of a piece sleeve pipe is connected with the male thread of another root sleeve pipe, there is after connection smooth surfaces externally and internally, it is easy to transfer and rise pull out casing string, it is adaptable to shallow bore hole；2) box cupling connects, and uses box cupling, and box cupling two ends are all interior screw threads, and single sleeve pipe two ends are then designed to male thread, are connected with each other by single sleeve pipe with box cupling, and after connection, inner surface is smooth, it is ensured that have enough intensity.
Along with the development of China's ground-dipping uranium extraction technology, the construction of boring is soaked with adding by many construction teams, and in existing ground-dipping uranium extraction conventional cannula box cupling two ends use, screw thread designs, thread seal.But experimental technology and the difference of process equipment due to personnel, the set pipe processing technique of each construction team unavoidably can be otherwise varied, cause degree of tightness at the sleeve pipe of processing and the screwed connection of box cupling to differ (but all in the margin of tolerance), therefore to strengthen sealing often use by sealing grease daubing on screw thread or junction use raw material band method.Box cupling material is consistent with sleeve pipe, uses U-PVC, smooth interior surfaces after fastening.The structure of current ground leaching casing coupling is as shown in Figure 1.The upper and lower two of casing coupling is interior screw thread, screw thread many employings trapezoidal thread, and sleeve pipe has smooth inner surface with box cupling after being connected.Although above-mentioned casing coupling simple in construction, easy to process, but sealing need to improve.
Summary of the invention
This utility model solves the technical problem of existing casing coupling sealing difference, it is provided that a kind of ground-dipping uranium extraction casing coupling.
The technical solution of the utility model:
A kind of ground-dipping uranium extraction casing coupling, including tubular structure and packing ring；
Box cupling entirety in tubular construction, the pipe thickness of mid portion more than the pipe thickness at upper and lower two ends, upper and lower two ends for setting female box cupling joint, the tube wall inwardly protruding formation male and female screw thread contact tip of mid portion；
The upper surface of male and female screw thread contact tip and lower surface are provided with an annular grooving, are placed with packing ring in grooving, and the lower surface of packing ring is plane and contacts with the bottom of grooving.
The upper face center position of described packing ring is provided with washer projection, and washer projection is circular projection.
The cross sectional shape of described grooving is rectangle.
Described female thread is trapezoidal thread, saw-tooth thread or rectangular thread.
The material of described box cupling uses PVC, PE, rustless steel or glass reinforced plastic pipe.
The material of described packing ring uses rubber.
The material of described packing ring uses NBR or silica gel.
The external diameter of described box cupling is 90～200mm, female thread a length of 50～80mm, and female thread height is 1～3mm, does not include that the box cupling joint wall thickness of thread depth is 5～9mm, and at male and female screw thread contact tip, pipe thickness is 10～25mm.
Described grooving cross-sectional width is 2～8mm, and the degree of depth is 2～10mm；The difference of the internal-and external diameter of described packing ring is slightly less than grooving cross-sectional width, and thickness is 1～3mm, and the height of washer projection is 1～2mm, and the difference of internal-and external diameter is 1～3mm.
The beneficial effects of the utility model:
This utility model provides a kind of ground-dipping uranium extraction casing coupling, it is possible to increase the sealing of ground-dipping uranium extraction casing string, and casing coupling described in the utility model has the feature such as low cost, simple, the good airproof performance of processing.
Accompanying drawing explanation
Fig. 1 is prior art sleeve box cupling sectional view.
Fig. 2 is this utility model casing coupling sectional view.
Fig. 3 is this utility model casing coupling top view.
Fig. 4 is packing ring top view.
Fig. 5 is packing ring sectional view.
Fig. 6 is casing joint schematic diagram.
Wherein, 1, female thread, 2, grooving, 3, male and female screw thread contact tip, 4, packing ring, 5, casing joint, 6, washer projection.
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings.
This utility model is a kind of ground-dipping uranium extraction casing coupling, with casing joint 5 with the use of, it is possible to realize good sealing.
As in figure 2 it is shown, box cupling entirety described in the utility model is in tubular construction, the external diameter of tubular structure is consistent, is 90～200mm；The internal diameter of tubular structure upper end, mid portion and lower end is different, and the pipe thickness of mid portion is more than the pipe thickness at upper and lower two ends, and upper and lower two ends are box cupling joint, the tube wall inwardly protruding formation male and female screw thread contact tip 3 of mid portion.
As shown in Figures 2 and 3, the two ends up and down of box cupling described in the utility model are the box cupling joint being provided with female thread 1, female thread 1 a length of 50～80mm, female thread 1 height is 1～3mm, the box cupling joint wall thickness not including thread depth is 5～9mm, and female thread 1 type is the common screw thread kinds such as trapezoidal thread, saw-tooth thread or rectangular thread.
At male and female screw thread contact tip 3, pipe thickness is 10～25mm, an annular grooving 2 it is provided with in the upper surface of male and female screw thread contact tip 3 and lower surface, the external diameter of grooving 2 is consistent with the internal diameter of box cupling joint, the cross sectional shape of grooving 2 is rectangle, cross-sectional width is 2～8mm, and the degree of depth is 2～10mm.Comparing traditional box cupling, the male and female screw thread contact tip 3 of a kind of ground-dipping uranium extraction casing coupling described in the utility model is thicker.
As shown in Figure 4, in grooving 2, it is placed with packing ring 4, to increase sealing.Depending on the size of packing ring 4 size with grooving 2, the external diameter of packing ring 4 and the difference of internal diameter are slightly less than grooving 2 cross-sectional width, and the difference of the internal-and external diameter of packing ring 4 is 2～8mm, and thickness is 1～3mm.
As it is shown in figure 5, the upper face center position of described packing ring 4 is provided with washer projection 6, washer projection 6 is circular projection, and the height of washer projection 6 is 1～2mm, and the difference of the internal-and external diameter of washer projection 6 is 1～3mm, and washer projection 6 can effectively strengthen sealing.Packing ring 4 is put into grooving 2, and the lower surface of packing ring 4 is plane, makes the lower surface of packing ring 4 contact with the bottom of grooving 2.
As shown in Figure 6, casing joint 5 is prior art, can directly use, it is not necessary to customization.The connection end external diameter of casing joint 5 is less than sleeve outer, and is provided with external screw thread, and the external thread length of casing joint 5 is than the female thread 1 long 5mm of length of box cupling.Casing joint 5 is screwed into the female thread 1 of box cupling, and after screwing, casing joint 5 top snaps in the grooving 2 of box cupling, and packing washer.
The material of box cupling uses PVC, PE, rustless steel or glass reinforced plastic pipe.The material of packing ring is the quality of rubber materials such as NBR, silica gel.
Below a specific embodiment of the present utility model is described.Box cupling uses U-PVC material；Putting into the packing ring 4 of 142 × 4mm in grooving 2, washer projection 6 height is 1mm, and the difference of the internal-and external diameter of washer projection 6 is 1mm；Box cupling, external thread length 65mm will be screwed into externally threaded casing joint 5；After screwing, casing joint 5 top snaps in box cupling grooving 2, and grooving 2 external diameter is 142mm, cross-sectional width 6mm, degree of depth 5mm, makes casing joint 5 top be pressed on packing ring, screws.
A kind of ground-dipping uranium extraction casing coupling described in the utility model, the sealing of ground-dipping uranium extraction casing string can be improved, and box cupling described in the utility model has the feature such as low cost, simple, the good airproof performance of processing, as long as the pipe thickness of the male and female screw thread contact tip of box cupling being increased on the basis of existing box cupling, cut out grooving thereon, put into packing ring.
Above embodiment of the present utility model is explained in detail, above-mentioned embodiment is only optimum embodiment of the present utility model, but this utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to make a variety of changes on the premise of without departing from this utility model objective.
Claims (9)
1. a ground-dipping uranium extraction casing coupling, it is characterised in that: include tubular structure and packing ring (4)；
In tubular construction, the pipe thickness of mid portion is more than the pipe thickness at upper and lower two ends, and upper and lower two ends are the box cupling joint being provided with female thread (1), the tube wall inwardly protruding formation male and female screw thread contact tip (3) of mid portion for box cupling entirety；
The upper surface of male and female screw thread contact tip (3) and lower surface are provided with an annular grooving (2), being placed with packing ring (4) in grooving (2), the lower surface of packing ring (4) is plane and the bottom with grooving (2) contacts.
2. according to a kind of ground-dipping uranium extraction casing coupling described in claim 1, it is characterised in that: the upper face center position of described packing ring (4) is provided with washer projection (6), and washer projection (6) is circular projection.
3. according to a kind of ground-dipping uranium extraction casing coupling described in claim 1 or 2, it is characterised in that: the cross sectional shape of described grooving (2) is rectangle.
4. according to a kind of ground-dipping uranium extraction casing coupling described in claim 1 or 2, it is characterised in that: described female thread (1) is trapezoidal thread, saw-tooth thread or rectangular thread.
5. according to a kind of ground-dipping uranium extraction casing coupling described in claim 1 or 2, it is characterised in that: the material of described box cupling uses PVC, PE, rustless steel or glass reinforced plastic pipe.
6. according to a kind of ground-dipping uranium extraction casing coupling described in claim 1 or 2, it is characterised in that: the material of described packing ring (4) uses rubber.
7. according to a kind of ground-dipping uranium extraction casing coupling described in claim 6, it is characterised in that: the material of described packing ring (4) uses NBR or silica gel.
8. according to a kind of ground-dipping uranium extraction casing coupling described in claim 1 or 2, it is characterized in that: the external diameter of described box cupling is 90～200mm, female thread (1) a length of 50～80mm, female thread (1) height is 1～3mm, the box cupling joint wall thickness not including thread depth is 5～9mm, and male and female screw thread contact tip (3) place pipe thickness is 10～25mm.
9. according to a kind of ground-dipping uranium extraction casing coupling described in claim 1 or 2, it is characterised in that: described grooving (2) cross-sectional width is 2～8mm, and the degree of depth is 2～10mm；The difference of the internal-and external diameter of described packing ring (4) is slightly less than grooving (2) cross-sectional width, and thickness is 1～3mm, and the height of washer projection (6) is 1～2mm, and the difference of internal-and external diameter is 1～3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997122.2U CN205422567U (en) | 2015-12-04 | 2015-12-04 | Ground soaks adopts casing coupling for uranium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997122.2U CN205422567U (en) | 2015-12-04 | 2015-12-04 | Ground soaks adopts casing coupling for uranium |
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| Publication Number | Publication Date |
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| CN205422567U true CN205422567U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520997122.2U Active CN205422567U (en) | 2015-12-04 | 2015-12-04 | Ground soaks adopts casing coupling for uranium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091057A (en) * | 2017-06-30 | 2017-08-25 | 四川达灿石油设备有限公司 | Sliceable oil exploitation stabilizing catheter |
-
2015
- 2015-12-04 CN CN201520997122.2U patent/CN205422567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091057A (en) * | 2017-06-30 | 2017-08-25 | 四川达灿石油设备有限公司 | Sliceable oil exploitation stabilizing catheter |
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