CN218669286U - Ground oil pipe patching device - Google Patents
Ground oil pipe patching device Download PDFInfo
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- CN218669286U CN218669286U CN202223232059.2U CN202223232059U CN218669286U CN 218669286 U CN218669286 U CN 218669286U CN 202223232059 U CN202223232059 U CN 202223232059U CN 218669286 U CN218669286 U CN 218669286U
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- oil pipe
- locking
- crude oil
- connecting cylinder
- locking sleeve
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Abstract
The utility model relates to an on-spot appurtenance in oil field, ground oil pipe patch connector promptly is to leaking oil pipe's special use patch connection instrument. The connecting cylinder is connected with a crude oil pipe to be connected in an inserting mode, locking sleeves which are connected in a symmetrical structure are arranged on two sides of the connecting cylinder, locking nuts are connected with the locking sleeves, and sealing elements are sleeved between the interior of the connecting cylinder and the crude oil pipe. The connection seal of the crude oil pipe and the connecting cylinder adopts the locking sleeve to compress and clamp, and the locking nut is added to ensure safe and reliable connection. The locking sleeve is processed into a local multi-petal structure along the axial direction, is rich in elasticity, is favorable for locking and pressing, and is tightly connected. The inner hole of the connecting end of the locking sleeve and the crude oil pipe is provided with an anti-skid one-way sawtooth thread, so that the connecting friction force is increased, and the fastening performance is improved, thereby ensuring that the oil pipe patch section is not leakage or motionless. The local corrosion loss replacement pipe section of the production pipeline is free from dynamic fire repair, and the operation is simple and reliable. Reasonable structure, reliable sealing and convenient connection.
Description
Technical Field
The utility model relates to an on-spot appurtenance in oil field, ground oil pipe patch connector promptly is to leaking oil pipe's special use patch connection instrument.
Background
In the prior art, a welding method is generally used for solving the problem of oil pipe leakage in an oil field. The defect is that a welding machine is needed, and the operation is carried out by open fire, so unsafe factors exist. Through the inquiry, on the net disclose name for multi-functional sleeve coupling make-up connection ware utility model patent, patent number 201320698277.7, application date: 2013.11.07, authorization bulletin number: CN203559845U, grant announcement day: 2014.04.23. It includes top connection, guide shoe, locates in proper order urceolus and connecting cylinder between top connection and the guide shoe and with urceolus inscription slips, the spacer key on the urceolus inner wall diameter direction is established in the slips inslot, the junction of top connection and urceolus is equipped with first sealing washer, the junction of urceolus and connecting cylinder is equipped with the second sealing washer, the junction of connecting cylinder and guide shoe is equipped with the opening and mills the ring. The oil field underground casing pipe sealing device has the defects that the oil field underground casing pipe sealing device is suitable for connecting and using oil field underground casing pipes, and sealing is not reasonable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the aforesaid not enough and a mechanical type structure that provides connects disconnection oil pipe pipeline, and is rational in infrastructure, connects oil pipe safe and reliable, connects the more convenient ground oil pipe patching ware of use.
The technical solution of the utility model is that: the ground oil pipe patching device is characterized by comprising a connecting cylinder which is connected with a crude oil pipe to be connected in an inserting mode, locking sleeves which are connected in a symmetrical structure are arranged on two sides of the connecting cylinder, locking nuts are connected with the locking sleeves, and a sealing element is sleeved between the inside of the connecting cylinder and the crude oil pipe.
The above scheme further comprises:
an inner hole at one end of the locking sleeve is connected with the crude oil pipe, and an inner hole at the other end of the locking sleeve is connected with the outer end of the connecting cylinder through threads.
The inner hole of the connecting end of the locking sleeve and the crude oil pipe is provided with an anti-skid one-way sawtooth thread.
The outer surface of the connecting end of the locking sleeve and the crude oil pipe is a conical surface and is provided with connecting threads; the conical surface is machined axially into a local multi-lobed configuration.
The inner hole of the locking nut is an inner conical surface which is matched and connected with the conical surface of the locking sleeve and is provided with a connecting internal thread.
The sealing element comprises a retainer ring and three sealing rubber cylinders.
The utility model has the advantages that: 1. the connection seal of the crude oil pipe and the connecting cylinder adopts the locking sleeve to compress and clamp, and the locking nut is added to ensure safe and reliable connection. 2. The locking sleeve is processed into a local multi-petal structure along the axial direction, is rich in elasticity, is favorable for locking and pressing, and is tightly connected. 3. The inner hole of the connecting end of the locking sleeve and the crude oil pipe is provided with an anti-skid one-way sawtooth thread, so that the connecting friction force is increased, and the fastening performance is improved, thereby ensuring that the oil pipe patch section is not leakage or motionless. 4. The local corrosion loss replacement pipe section of the production pipeline is free from dynamic fire repair, and the operation is simple and reliable. 5. Reasonable structure, reliable sealing and convenient connection.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the structure and connection state of the present invention.
Fig. 2 is a schematic view of the lock nut.
Figure 3 is a schematic view of the locking sleeve structure.
Fig. 4 is a schematic view of the retainer ring.
Fig. 5 is a schematic view of a packing unit.
Figure 6 is a diagrammatic view of the connector barrel construction.
Detailed Description
Referring to fig. 1-6, the part names are as follows: the device comprises a locking nut 1, a locking sleeve 2, a retainer ring 3, a sealing rubber cylinder 4, a connecting cylinder 5, a crude oil pipe 6 and a conical surface 7.
Referring to fig. 1-6, the ground oil pipe patching device comprises a connecting cylinder 5 externally inserted and connected with a crude oil pipe 6 to be connected, two sides of the connecting cylinder 5 are provided with locking sleeves 2 connected in a symmetrical structure, a locking nut 1 is connected with the locking sleeves 2, an inner hole at the left end of each locking sleeve 2 is connected with the crude oil pipe 6, an inner hole at the right end of each locking sleeve 2 is connected with the outer end of the connecting cylinder 5 through threads, and an inner hole at the connecting end of each locking sleeve 2 and the crude oil pipe 6 is provided with an anti-skidding one-way sawtooth thread to increase the connecting friction force. The outer surface of the connecting end of the locking sleeve 2 and the crude oil pipe 6 is a conical surface 7 and is provided with connecting threads, the conical surface 7 is processed into a local multi-petal structure along the axial direction, an inner hole of the locking nut 1 is an inner conical surface matched and connected with the conical surface 7 of the locking sleeve and is provided with connecting inner threads, the locking sleeve 2 has elasticity, the deformation of the front end is facilitated, and the connection and the fastening are realized under the action of the locking nut 1. The sealing elements, i.e. the retainer ring 3 and the three packing rubber cylinders 4, are sleeved between the connecting cylinder 5 and the crude oil pipe 6, but not limited thereto.
The method comprises the following steps:
locking nut 1: referring to fig. 1 and 2, the structure is a cylindrical structure with four outer sides, which is beneficial to screwing of a wrench. The upper part is provided with an inner taper hole matched with the outer taper surface of the locking sleeve 2, and the lower part is provided with a female thread connected with the locking sleeve 2.
And (3) locking sleeve 2: referring to fig. 1 and 3, the upper outer conical surface 7 is matched with the inner conical surface of the lock nut 1, and the inner surface of the lock nut is provided with unidirectional sawtooth threads which are processed into six local sections, so that the patching device and the crude oil pipe 6 are locked and do not move axially due to good elasticity; the middle part is provided with a male thread which is connected with the locking nut 1; the lower part is provided with female threads which are connected with the connecting cylinder 5.
And (3) a retainer ring: referring to fig. 1 and 4, the sealing rubber sleeve is installed in the connecting sleeve 5 to protect and adjust the magnitude of the compression force of the sealing rubber sleeve 4.
And (4) sealing rubber cylinder 4: referring to fig. 1 and 5, the oil pipe is arranged in the connecting sleeve 5, the inner surface of the oil pipe is tapered, and the oil pipe can be better sealed with the crude oil pipe 6 after being compressed.
A connecting cylinder 5: referring to fig. 1 and 6, the two ends of the crude oil pipe are symmetrical, the size of an inner hole is slightly larger than the outer diameter of the crude oil pipe 6, the male threads at the two ends are connected with the locking sleeve 2, and the cut and trimmed crude oil pipe 6 is inserted into the crude oil pipe from the two ends.
During operation, the cut and trimmed crude oil pipe 6 is inserted into the connecting cylinder 5 from two ends, and the position is adjusted to ensure that the sealing rubber cylinder 4 must contain the crude oil pipe 6. And (3) screwing the locking sleeve 2 and the connecting cylinder 5 and pressing the sealing glue cylinder 4 tightly, and then locking the locking nut 1 and the locking sleeve 2. Preferably, both ends are performed simultaneously during operation. The crude oil pipeline is cut off by a pipe cutter, the outer surfaces of the pipe sections at two sides are polished, the cut pipeline is connected by a ground oil pipe patch, the contact part of the ground oil pipe patch and the crude oil pipe 6 adopts a sealing rubber cylinder 4, the sealing is carried out by the pressing force of a locking sleeve 2, the locking sleeve 2 is locked by a locking nut 1, and the locking sleeve 2 is forced to tightly bite the crude oil pipe 6 by unidirectional sawtooth threads in the locking sleeve 2, so that the oil pipe patch section is ensured to be leak-proof and immovable. The whole operation is very simple and convenient.
Claims (6)
1. The ground oil pipe patching device is characterized by comprising a connecting cylinder (5) externally inserted and connected with a crude oil pipe (6) to be connected, wherein locking sleeves (2) connected by symmetrical structures are arranged on two sides of the connecting cylinder (5), a locking nut (1) is connected with the locking sleeves (2), and a sealing element is sleeved between the inside of the connecting cylinder (5) and the crude oil pipe (6).
2. The ground tubing patch according to claim 1, wherein an inner hole at one end of the locking sleeve (2) is connected with the crude oil pipe (6), and an inner hole at the other end of the locking sleeve (2) is connected with the outer end of the connecting cylinder (5) through threads.
3. The surface tubing patcher of claim 2, wherein the inner hole of the connecting end of the locking sleeve (2) and the crude oil pipe (6) is provided with an anti-skid one-way sawtooth thread.
4. The surface tubing patcher according to claim 2 or 3, wherein the outer surface of the connecting end of the locking sleeve (2) and the crude oil pipe (6) is a conical surface (7) with connecting threads; the conical surface (7) is machined into a local multi-lobe structure along the axial direction.
5. The ground oil pipe patcher according to claim 4, wherein the inner hole of the locking nut (1) is an inner conical surface which is matched and connected with the conical surface (7) of the locking sleeve and is provided with a connecting internal thread.
6. A surface tubing patcher according to claim 1 wherein the seal comprises a retainer ring (3) and three packing rubber cartridges (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223232059.2U CN218669286U (en) | 2022-12-04 | 2022-12-04 | Ground oil pipe patching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223232059.2U CN218669286U (en) | 2022-12-04 | 2022-12-04 | Ground oil pipe patching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669286U true CN218669286U (en) | 2023-03-21 |
Family
ID=85542445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223232059.2U Active CN218669286U (en) | 2022-12-04 | 2022-12-04 | Ground oil pipe patching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669286U (en) |
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2022
- 2022-12-04 CN CN202223232059.2U patent/CN218669286U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |