CN207739953U - Tool joint equipped with sealing device - Google Patents
Tool joint equipped with sealing device Download PDFInfo
- Publication number
- CN207739953U CN207739953U CN201820113196.9U CN201820113196U CN207739953U CN 207739953 U CN207739953 U CN 207739953U CN 201820113196 U CN201820113196 U CN 201820113196U CN 207739953 U CN207739953 U CN 207739953U
- Authority
- CN
- China
- Prior art keywords
- pin end
- female connector
- sealing surface
- sealing
- shoulder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 128
- 238000005553 drilling Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model is related to a kind of tool joint equipped with sealing device, including pin end and female connector, pin end lateral wall is equipped with external thread section, and the internal thread segment coordinated with external thread section is equipped on the inside of female connector；The right shoulder sealing surface of pin end is equipped on the right side of external thread section；The right shoulder sealing surface of female connector is equipped on the right side of internal thread segment；Right sealing ring is equipped between the right shoulder sealing surface of pin end and the right shoulder sealing surface of female connector；The right shoulder sealing surface of pin end is concaved with several grooves；Right sealing ring is equipped with several convex blocks corresponding with groove；The left shoulder sealing surface of pin end is equipped on the left of external thread section；The left shoulder sealing surface of female connector is equipped on the left of female end；Left sealing ring is equipped between the left shoulder sealing surface of pin end and the left shoulder sealing surface of female connector；The left shoulder sealing surface of female connector is concaved with the first annular slot coordinated with left sealing ring.The tool joint for being equipped with sealing device makes the leakproofness between pin end and female connector good, avoids the occurrence of leakage phenomenon.
Description
Technical field
The utility model belongs to oil/gas well mechanical equipment technical field, and in particular to a kind of drilling rod connecting equipped with sealing device
Head.
Background technology
Currently, with scientific and technological progress, China's geological prospecting and exploitation are gradually explored to deep geologic.On coal mining or ground
In matter exploration process, a large amount of bore detectings or extraction are needed, since geologic feature is generally rock or coal seam, moment when bore operation
The methane gas for bringing dust harzard and deep geologic to discharge to coal mine is carved to threaten.When drilling rod is axially moved, drilling orifice sealing
Property is poor.
Existing sealing device is to be sealed using screw-thread fit, the poor sealing of drilling rod, and liquid is flowed to and is used for
The flank of connection can lead to poor connectivity, it is possible to can cause liquid largely leak or drilling rod disconnect.
Utility model content
The purpose of this utility model is to provide a kind of tool joint equipped with sealing device to solve existing tool joint
The bad technical problem of sealing effect.
In order to achieve the goal above, the technical solution that the utility model is taken is：Tool joint equipped with sealing device, packet
Pin end and female connector are included, pin end lateral wall is equipped with external thread section, the interior spiral shell coordinated with external thread section is equipped on the inside of female connector
Line section；The external thread section of pin end is taper along the axial direction of pin end；The internal thread segment of female connector is cone along the axial direction of box thread
Shape；The right shoulder sealing surface of pin end is equipped on the right side of external thread section；The right shoulder sealing surface of female connector is equipped on the right side of internal thread segment；Public access
Right sealing ring is equipped between right shoulder sealing surface and the right shoulder sealing surface of female connector；The right shoulder sealing surface of pin end sets to the concave
There are several grooves；Right sealing ring is equipped with several convex blocks corresponding with groove；Left of pin end is equipped on the left of external thread section
Shoulder seal face；The left shoulder sealing surface of female connector is equipped on the left of female end；The left shoulder sealing surface of pin end and the left shoulder of female connector
Left sealing ring is equipped between sealing surface；The left shoulder sealing surface of female connector be concaved with coordinate with left sealing ring it is first annular
Slot.
The tool joint equipped with sealing device of the utility model, convex block and the right shoulder sealing surface of pin end of right sealing ring
Between by convex block and groove sealing coordinate, improve the leakproofness between pin end and female connector.Left sealing ring and the first ring
Shape slot, which matches, to be tightly connected the left shoulder sealing surface of pin end and the left shoulder sealing surface of female connector, improve pin end and mother
Leakproofness between connector.Left sealing ring and right sealing ring cooperate so that the leakproofness between pin end and female connector is good
It is good, avoid the occurrence of leakage phenomenon.
Further, the left sealing ring is convexly equipped with a circle bulge loop, is recessed in first annular slot matched with bulge loop
Second annular groove, bulge loop and the second annular groove cooperate, and further increase the leakproofness between pin end and female connector.
Further, pin end is equipped between the left shoulder sealing surface of the pin end and the right end of the external thread section to seal
The conical surface；It is equipped with and the matched mother of pin end sealing cone between the left shoulder sealing surface of female connector and the right end of the internal thread segment
The joint sealing conical surface, pin end sealing cone cooperate with female connector sealing cone, improve the sealing of pin end and female connector
Performance.
Further, several described groove rings are located on the right shoulder sealing surface of pin end and form a circle, one circle groove with
One circle convex block cooperates, can preferable barrier liquid leakage.
Further, several described grooves are randomly distributed on the right shoulder sealing surface of pin end, irregular distribution
Groove cooperates with convex block, can preferable barrier liquid leakage.
Further, the shape of the groove is hemispherical groove, and the convex block is corresponding with hemispherical groove half
Spherical protrusions.
Further, the groove is conical socket, and the convex block is the taper convex block coordinated with conical socket.
Description of the drawings
Fig. 1 is the tool joint structural schematic diagram equipped with sealing device of embodiment 1；
Fig. 2 is the tool joint structural schematic diagram (seperated state) equipped with sealing device of embodiment 1；
Fig. 3 is the tool joint structural schematic diagram (seperated state) equipped with sealing device of embodiment 3.
In figure：1, pin end；2, female connector；3, external thread section；4, internal thread segment；5, the right shoulder sealing surface of pin end；
501, groove；6, the right shoulder sealing surface of female connector；7, right sealing ring；701, convex block；8, the left shoulder sealing surface of pin end；9, mother connects
Left shoulder sealing surface；901, first annular slot；902, the second annular groove；10, left sealing ring；1001, bulge loop；11, pin end
Sealing cone；12, female connector sealing cone.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the range of the utility model protection.
The embodiment of the tool joint equipped with sealing device is as shown in Figs. 1-3 in the utility model.
Embodiment 1
The tool joint equipped with sealing device of the present embodiment, including pin end 1 and female connector 2,1 lateral wall of pin end are set
There are external thread section 3,2 inside of female connector to be equipped with the internal thread segment 4 coordinated with external thread section 3.The external thread section 3 of pin end 1 is along public affairs
The axial direction of connector 1 is taper.It is taper that mother, which connects 2 internal thread segments 4 along the axial direction of box thread 2,.
The right side of external thread section 3 is equipped with the right shoulder sealing surface of pin end 5.It is close that 4 right side of internal thread segment is equipped with the right shoulder of female connector
Cover 6.Right sealing ring 7 is equipped between the right shoulder sealing surface 5 of pin end and the right shoulder sealing surface of female connector 6.The right shoulder of pin end
Sealing surface 5 is concaved with 10 grooves 501.10 501 rings of groove are located on the right shoulder sealing surface of pin end 5 and form a circle.
Right sealing ring 7 is equipped with 10 convex blocks 701 corresponding with groove 501.701 ring of convex block is located on right sealing ring 7, with groove 501
Corresponding setting.The shape of groove 501 is hemispherical groove, and convex block is hemispherical bumps corresponding with hemispherical groove.
The left side of external thread section 3 is equipped with the left shoulder sealing surface of pin end 8.It is close that 4 left side of internal thread segment is equipped with the left shoulder of female connector
Cover 9.Left sealing ring 10 is equipped between the left shoulder sealing surface 8 of pin end and the left shoulder sealing surface of female connector 9.The left shoulder of female connector
Sealing surface 9 is concaved with the first annular slot 901 coordinated with left sealing ring 10.Left sealing ring 10 is convexly equipped with a circle bulge loop
1001, it is recessed with and 1001 matched second annular groove 902 of bulge loop in first annular slot 901.
Pin end sealing cone 11 is equipped between the left shoulder sealing surface 8 of pin end and the right end of external thread section 3.Female connector is left
It is equipped with and 11 matched female connector sealing cone of pin end sealing cone between shoulder sealing surface 9 and the right end of internal thread segment 4
12。
Embodiment 2
The described tool joint for being equipped with sealing device of the present embodiment, general configuration is consistent with embodiment 1, but with
Embodiment 1 is not both：Groove is randomly distributed on the right shoulder sealing surface of pin end, and convex block is also irregular to be distributed in right sealing
On circle, the setting corresponding with the position of groove of the position of convex block.
Embodiment 3
The described tool joint for being equipped with sealing device of the present embodiment, general configuration is consistent with embodiment 1, but with
Embodiment 1 is not both：Groove is conical socket, and convex block is the taper convex block coordinated with conical socket.
Embodiment 4
The described tool joint for being equipped with sealing device of the present embodiment, general configuration is consistent with embodiment 1, but with
Embodiment 1 is not both：Groove is oval-shaped groove, and convex block is the oval convex block coordinated with oval-shaped groove.
Embodiment 5
The described tool joint for being equipped with sealing device of the present embodiment, general configuration is consistent with embodiment 1, but with
Embodiment 1 is not both：Pin end sealing plane is equipped between the left shoulder sealing surface of pin end and the right end of external thread section；Female connector
It is equipped with and the matched female connector sealing plane of pin end sealing cone between left shoulder sealing surface and the right end of internal thread segment.
Claims (7)
1. the tool joint equipped with sealing device, including pin end and female connector, it is characterised in that：Pin end lateral wall is equipped with outer
Thread segment, female connector inside are equipped with the internal thread segment coordinated with external thread section；Axial direction of the external thread section of pin end along pin end
For taper；The internal thread segment of female connector is taper along the axial direction of box thread；The right shoulder sealing of pin end is equipped on the right side of external thread section
Face；The right shoulder sealing surface of female connector is equipped on the right side of internal thread segment；The right shoulder sealing surface of pin end and the right shoulder sealing surface of female connector
Between be equipped with right sealing ring；The right shoulder sealing surface of pin end is concaved with several grooves；Right sealing ring is equipped with and groove
Several corresponding convex blocks；The left shoulder sealing surface of pin end is equipped on the left of external thread section；It is left that female connector is equipped on the left of female end
Shoulder sealing surface；Left sealing ring is equipped between the left shoulder sealing surface of pin end and the left shoulder sealing surface of female connector；Left of female connector
Shoulder seal is inward-facing to be recessed with the first annular slot coordinated with left sealing ring.
2. the tool joint according to claim 1 equipped with sealing device, it is characterised in that：The left sealing ring is convexly equipped with
One encloses bulge loop, is recessed with and matched second annular groove of bulge loop in first annular slot.
3. the tool joint according to claim 1 equipped with sealing device, it is characterised in that：The left shoulder of pin end is close
Pin end sealing cone is equipped between cover and the right end of the external thread section；The left shoulder sealing surface of female connector and the internal thread
It is equipped with and the matched female connector sealing cone of pin end sealing cone between the right end of section.
4. the tool joint according to claim 1 equipped with sealing device, it is characterised in that：Several described groove rings are set
It forms a circle on the right shoulder sealing surface of pin end.
5. the tool joint according to claim 1 equipped with sealing device, it is characterised in that：Several described grooves are not advised
It is then distributed on the right shoulder sealing surface of pin end.
6. being equipped with the tool joint of sealing device according to claim 1-5 any one of them, it is characterised in that：The groove
Shape is hemispherical groove, and the convex block is hemispherical bumps corresponding with hemispherical groove.
7. being equipped with the tool joint of sealing device according to claim 1-5 any one of them, it is characterised in that：The groove is
Conical socket, the convex block are the taper convex block coordinated with conical socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113196.9U CN207739953U (en) | 2018-01-22 | 2018-01-22 | Tool joint equipped with sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113196.9U CN207739953U (en) | 2018-01-22 | 2018-01-22 | Tool joint equipped with sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207739953U true CN207739953U (en) | 2018-08-17 |
Family
ID=63123681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820113196.9U Expired - Fee Related CN207739953U (en) | 2018-01-22 | 2018-01-22 | Tool joint equipped with sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207739953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955777A (en) * | 2018-10-10 | 2018-12-07 | 温州科丰汽车零部件有限公司 | A kind of three-in-one sensor |
| CN109236195A (en) * | 2018-11-14 | 2019-01-18 | 邹城兖矿泰德工贸有限公司 | Screw terminal |
-
2018
- 2018-01-22 CN CN201820113196.9U patent/CN207739953U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955777A (en) * | 2018-10-10 | 2018-12-07 | 温州科丰汽车零部件有限公司 | A kind of three-in-one sensor |
| CN109236195A (en) * | 2018-11-14 | 2019-01-18 | 邹城兖矿泰德工贸有限公司 | Screw terminal |
| CN109236195B (en) * | 2018-11-14 | 2020-08-04 | 邹城兖矿泰德工贸有限公司 | Screw head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 |