CN214221111U

CN214221111U - Combined type connecting joint for oil pipe

Info

Publication number: CN214221111U
Application number: CN202023208143.1U
Authority: CN
Inventors: 陈兆阳
Original assignee: Jiangsu Xinde Petroleum Machinery Co ltd
Current assignee: Jiangsu Xinde Petroleum Machinery Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-17
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a combination formula attach fitting for oil pipe, including connecting pipe, butt joint seat, oil pipe fixing base, the fixed cutting ferrule of oil pipe, fastening bolt, spacing recess, ring groove, spacing lug, ring card strip, fastening buckle, connecting seat, connecting bolt, clamping groove. The utility model has the advantages that: the annular clamping groove is internally provided with an annular rubber gasket, so that when the annular clamping strip is clamped in the annular clamping groove, the rubber gasket can be extruded to deform to fill a gap in the annular clamping groove, and the sealing property of the joint of the two butt-joint seats can be improved; the inner side of the fastening buckle is provided with a trapezoidal clamping groove, so that the clamping groove can be clamped at the outer edges of the two butt-joint seats, and the butt-joint seats are connected more tightly; the tail end of the connecting pipe is used for sleeving an oil pipe, the oil pipe is located in a gap between the oil pipe fixing clamping sleeve and the connecting pipe, the oil pipe can be clamped and fixed by the oil pipe fixing clamping sleeve through screwing the fastening bolt, and the connector is conveniently connected with the port of the oil pipe.

Description

Combined type connecting joint for oil pipe

Technical Field

The utility model relates to a attach fitting specifically is a combination formula attach fitting for oil pipe belongs to oil development equipment technical field.

Background

In the process of oil exploitation, crude oil exploited from the underground needs to be transported through a conveying oil pipe, and the oil pipe is connected together section by section, so that a special connecting joint needs to be designed so as to be convenient for the combined connection of the section-by-section oil pipes.

For the existing oil pipe connecting joint, when two joints are connected together in a butt joint mode, the phenomenon of butt joint dislocation often occurs, installation operators need to debug for many times, time is wasted, gaps are easily generated at the joints, leakage is caused, the joint needs to be connected with two ends of an oil pipe, the existing joint and the oil pipe are often connected in a bundling mode through binding wires, firmness is poor, and the joint butt joint is also easily generated at the joints, so that leakage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a combination formula attach fitting for oil pipe for the solution problem just.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a combined type connecting joint for an oil pipe comprises a connecting pipe and a butt joint seat; the butt joint seat is connected with one end of the connecting pipe to form one side joint of the connecting joint, the butt joint seat and the joint formed by the connecting pipe are symmetrically arranged, an oil pipe fixing seat is fixedly arranged on a pipe body of the connecting pipe, an oil pipe fixing clamping sleeve is sleeved on the pipe body of the connecting pipe and is fixedly connected with the oil pipe fixing seat through a fastening bolt, a limiting groove and an annular clamping groove are formed in the inner side surface of one butt joint seat, the annular clamping groove is positioned outside a pipe orifice of the connecting pipe, the limiting groove is positioned outside the annular clamping groove, a limiting lug and an annular clamping strip are arranged on the inner side surface of the other butt joint seat, the annular clamping strip is positioned outside the pipe orifice of the connecting pipe, the limiting lug is positioned outside the annular clamping strip, and a fastening buckle is sleeved outside the two butt joint seats which are butted, the fastening buckle is arc-shaped, connecting seats are arranged at two ends of the fastening buckle, and the two fastening buckles penetrate through the connecting seats through connecting bolts to be fixedly connected.

As a further aspect of the present invention: the limiting grooves and the limiting lugs are respectively arranged at the upper end and the lower end of the inner side surfaces of the two butt-joint seats, and the limiting grooves and the limiting lugs are arranged in a one-to-one correspondence manner.

As a further aspect of the present invention: an annular rubber gasket is arranged in the annular clamping groove.

As a further aspect of the present invention: two the outer junction of following of butt joint seat is the halfpace form, and fastening buckle inboard sets up the tight groove of halfpace form clamp.

As a further aspect of the present invention: the connecting seats on the two sides of the fastening buckle are connected through two connecting bolts.

As a further aspect of the present invention: the tail end of the connecting pipe is used for sleeving an oil pipe, and the oil pipe is located in a gap between the oil pipe fixing clamping sleeve and the connecting pipe.

The utility model has the advantages that: the combined type connecting joint for the oil pipe is reasonable in design, the limiting grooves and the limiting lugs are respectively arranged at the upper end and the lower end of the inner side surfaces of the two butt-joint seats, and the limiting grooves and the limiting lugs are arranged in a one-to-one correspondence manner, so that the two butt-joint seats can be connected in a contraposition manner, and further, the dislocation generated in the connection process is avoided; the annular clamping groove is internally provided with an annular rubber gasket, so that when the annular clamping strip is clamped in the annular clamping groove, the rubber gasket can be extruded to deform to fill a gap in the annular clamping groove, and the sealing property of the joint of the two butt-joint seats can be improved; the outer edge connecting part of the two butt-joint seats is in a step shape, and the inner side of the fastening buckle is provided with a step-shaped clamping groove, so that the clamping groove can be clamped at the outer edges of the two butt-joint seats, and the butt-joint seats can be connected more tightly by screwing the connecting bolt; the connecting seats on the two sides of the fastening buckle are connected through two connecting bolts so as to ensure the firmness of the connecting part and prevent looseness; the tail end of connecting pipe is used for the cover to establish oil pipe, and oil pipe is located the gap between oil pipe fixed cutting ferrule and the connecting pipe, and then the accessible screws up fastening bolt and makes oil pipe fixed cutting ferrule block oil pipe and fixed to be connected this joint and oil pipe's port department.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a docking station according to the present invention;

fig. 3 is a schematic view of another docking station structure of the present invention;

FIG. 4 is a schematic view of the mounting structure of the oil pipe fixing clip sleeve of the present invention;

FIG. 5 is a schematic view of the butt joint structure of the joint of the present invention;

fig. 6 is a schematic view of the connection structure of the fastening buckle and the docking seat of the present invention.

In the figure: 1. connecting pipe, 2, butt joint seat, 3, oil pipe fixing base, 4, oil pipe fixed cutting ferrule, 5, fastening bolt, 6, spacing recess, 7, ring groove, 8, spacing lug, 9, ring card strip, 10, fastening buckle, 11, connecting seat, 12, connecting bolt and 13, clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, a combined type joint for an oil pipe includes a connecting pipe 1 and a butt joint seat 2; the butt joint seat 2 is connected with one end of the connecting pipe 1 to form one side joint of the connecting joint, the joint formed by the butt joint seat 2 and the connecting pipe 1 is symmetrically arranged, an oil pipe fixing seat 3 is fixedly arranged on a pipe body of the connecting pipe 1, an oil pipe fixing clamping sleeve 4 is sleeved on the pipe body of the connecting pipe 1, the oil pipe fixing clamping sleeve 4 is fixedly connected with the oil pipe fixing seat 3 through a fastening bolt 5, a limiting groove 6 and an annular clamping groove 7 are arranged on the inner side surface of one butt joint seat 2, the annular clamping groove 7 is positioned on the outer side of a pipe orifice of the connecting pipe 1, the limiting groove 6 is positioned on the outer side of the annular clamping groove 7, a limiting lug 8 and an annular clamping strip 9 are arranged on the inner side surface of the other butt joint seat 2, the annular clamping strip 9 is positioned on the outer side of the pipe orifice of the connecting pipe 1, and the limiting lug 8 is positioned on the outer side of the annular clamping strip 9, two butt joint be in the same place 2 outside cover of butt joint seat are equipped with fastening buckle 10, fastening buckle 10 is the arc form, the both ends of fastening buckle 10 are provided with connecting seat 11, two fastening buckle 10 passes connecting seat 11 through connecting bolt 12 and carries out fixed connection.

Further, in the embodiment of the utility model provides an in, spacing recess 6 and spacing lug 8 set up respectively at the upper and lower end of two 2 medial surfaces of butt joint seat, and spacing recess 6 is the one-to-one setting with spacing lug 8, ensure that two butt joint seats 2 can counterpoint the connection, and then avoid producing the dislocation when connecting.

Further, in the embodiment of the utility model provides an in, it has the rubber packing ring of annular form to settle in ring groove 7, when making 9 cards of annular card strip put in ring groove 7, can extrude the rubber packing ring and produce the gap department of deformation in order to fill ring groove 7, and then can improve the leakproofness of two butt joint seats 2 junctions.

Further, in the embodiment of the present invention, two outer edges of the docking seat 2 are in a shape of a step, and the fastening buckle 10 is provided with an inner side of a clamping groove 13 in the shape of a step, so that the clamping groove 13 can be clamped on the outer edges of the two docking seats 2, and further, by screwing the connecting bolt 12, the docking seat 2 can be connected more tightly.

Further, in the embodiment of the present invention, the connecting seats 11 on both sides of the fastening buckle 10 are all connected by two connecting bolts 12 to ensure the firmness of the joint and prevent loosening.

Further, in the embodiment of the utility model provides an in, the tail end of connecting pipe 1 is used for the cover to establish oil pipe, and oil pipe is located the gap between the fixed cutting ferrule 4 of oil pipe and connecting pipe 1, and then the accessible is screwed up fastening bolt 5 and is made the fixed cutting ferrule 4 of oil pipe block oil pipe and fix to be connected this joint with oil pipe's port department.

The working principle is as follows: when the combined type connecting joint for the oil pipes is used, firstly, the oil pipe fixing clamping sleeve 4 is respectively sleeved on two oil pipes, then two ports of each oil pipe are sleeved at the tail end of the connecting pipe 1, the fastening bolt 5 is screwed down to enable the oil pipe fixing clamping sleeve 4 to clamp and fix the oil pipes so as to connect the joint with the ports of the oil pipes, then the two butt-joint seats 2 are connected together in an aligned mode, the limiting convex block 8 is clamped in the limiting groove 6, the annular clamping strip 9 is clamped in the annular clamping groove 7, finally, the fastening buckle 10 is clamped outside the two butt-joint seats 2, the clamping groove 13 can be clamped on the outer edges of the two butt-joint seats 2, and the butt-joint seats 2 can be connected more tightly by screwing the connecting bolt 12.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A combined type connecting joint for an oil pipe comprises a connecting pipe (1) and a butt joint seat (2); the method is characterized in that: the butt joint seat (2) is connected with one end of the connecting pipe (1) to form one side joint of the connecting joint, the joint formed by the butt joint seat (2) and the connecting pipe (1) is symmetrically arranged, an oil pipe fixing seat (3) is fixedly arranged on a pipe body of the connecting pipe (1), an oil pipe fixing clamping sleeve (4) is sleeved on the pipe body of the connecting pipe (1), the oil pipe fixing clamping sleeve (4) is fixedly connected with the oil pipe fixing seat (3) through a fastening bolt (5), a limiting groove (6) and an annular clamping groove (7) are formed in the inner side surface of one butt joint seat (2), the annular clamping groove (7) is located outside a pipe orifice of the connecting pipe (1), the limiting groove (6) is located outside the annular clamping groove (7), and a limiting lug (8) and an annular clamping strip (9) are arranged on the inner side surface of the other butt joint seat (2), just annular card strip (9) are located the mouth of pipe outside of connecting pipe (1), spacing lug (8) are located the outside of annular card strip (9), and two butt joints are in the same place butt joint seat (2) outside cover is equipped with fastening buckle (10), fastening buckle (10) are the arc form, the both ends of fastening buckle (10) are provided with connecting seat (11), two fastening buckle (10) pass connecting seat (11) through connecting bolt (12) and carry out fixed connection.

2. A composite connection sub for an oil pipe according to claim 1, characterized in that: the limiting grooves (6) and the limiting lugs (8) are respectively arranged at the upper end and the lower end of the inner side surfaces of the two butt-joint seats (2), and the limiting grooves (6) and the limiting lugs (8) are arranged in a one-to-one correspondence mode.

3. A composite connection sub for an oil pipe according to claim 1, characterized in that: an annular rubber gasket is arranged in the annular clamping groove (7).

4. A composite connection sub for an oil pipe according to claim 1, characterized in that: two the outer edge junction of butt joint seat (2) is the halfpace form, and fastening buckle (10) inboard has seted up the tight groove (13) of halfpace form.

5. A composite connection sub for an oil pipe according to claim 1, characterized in that: the connecting seats (11) on the two sides of the fastening buckle (10) are connected through two connecting bolts (12).

6. A composite connection sub for an oil pipe according to claim 1, characterized in that: the tail end of the connecting pipe (1) is used for sleeving an oil pipe, and the oil pipe is located in a gap between the oil pipe fixing clamping sleeve (4) and the connecting pipe (1).