CN210153364U - Coupling piece for petroleum pipeline - Google Patents
Coupling piece for petroleum pipeline Download PDFInfo
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- CN210153364U CN210153364U CN201920748102.XU CN201920748102U CN210153364U CN 210153364 U CN210153364 U CN 210153364U CN 201920748102 U CN201920748102 U CN 201920748102U CN 210153364 U CN210153364 U CN 210153364U
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- clockwise
- nut
- floating block
- anticlockwise
- pointer
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Abstract
The utility model relates to a coupling spare for petroleum pipeline, its technical scheme: the anti-clockwise and clockwise pointer type pipe joint comprises a joint hoop pipe and internal threads arranged on the inner wall of the joint hoop pipe, wherein the outer wall of the joint hoop pipe is rotatably connected with an anti-clockwise nut and a clockwise pointer nut, and two sliding grooves are formed in the positions, corresponding to the anti-clockwise nut and the clockwise pointer nut, of the outer wall of the joint hoop pipe; when needs butt joint hoop pipe carry out manual screwing or the pine of screwing, operating personnel can use spanner and anticlockwise nut joint, reciprocal anticlockwise nut that rotates, realize butt joint hoop pipe anticlockwise rotation, perhaps operating personnel can use the spanner and in the same direction as pointer nut joint, reciprocal rotation is in the same direction as pointer nut, realize butt joint hoop pipe clockwise rotation, thereby realize screwing or the pine of screwing of butt joint hoop pipe, when using the spanner to rotate, need not again behind the rotatory certain distance of spanner with anticlockwise nut or in the same direction as pointer nut joint, save plenty of time, be convenient for operate.
Description
Technical Field
The utility model belongs to the technical field of oil conveying equipment, concretely relates to coupling spare for petroleum pipeline.
Background
The oil pipe coupling structure is characterized in that the end of the oil pipe is connected with the inner wall of the coupling body in a conical thread mode, the end of the coupling body is connected with the oil pipe in a same-thread same-pitch flat thread mode, the stress concentration of the root part of the external thread of the single-cone thread connection oil pipe is relieved, fatigue fracture is not prone to being generated, the connection effect is good, and the occurrence of the oil well pipe column disconnection accident is effectively prevented.
The outer wall of original tubing coupling structure is comparatively smooth, all needs to use professional equipment to screw or unscrew tubing coupling, and when unable user equipment in narrow and small space, it is comparatively difficult when manually screwing or unscrewing tubing coupling, and it is comparatively inconvenient to use.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a coupling spare for petroleum pipeline has the characteristics of the installation of being convenient for.
In order to achieve the above object, the utility model provides a following technical scheme: a coupling piece for a petroleum pipeline comprises a coupling pipe and internal threads arranged on the inner wall of the coupling pipe, wherein the outer wall of the coupling pipe is rotatably connected with a counterclockwise nut and a clockwise pointer nut, the outer wall of the coupling pipe and the positions corresponding to the counterclockwise nut and the clockwise pointer nut are respectively provided with two sliding grooves, the two sliding grooves are symmetrically arranged on the outer wall of the coupling pipe, a plurality of counterclockwise clamping grooves are formed in the periphery of the inner wall of the counterclockwise nut at equal intervals, the inner wall of the sliding groove corresponding to the counterclockwise nut is connected with a counterclockwise floating block in a sliding manner, the counterclockwise floating block corresponds to the counterclockwise clamping grooves in size, the bottom surface of the counterclockwise floating block is provided with a single plate spring, the counterclockwise floating block is elastically and slidably connected with the sliding grooves through the single plate spring, and the inner wall of the clockwise pointer nut is provided with a plurality of clockwise pointer clamping grooves at equal intervals, with it is corresponding in the same direction as pointer nut the inner wall sliding connection of spout has clockwise floating block, clockwise floating block with it is corresponding in the same direction as the size of pointer draw-in groove, the bottom surface of clockwise floating block is equipped with the single leaf spring, clockwise floating block pass through the single leaf spring with spout elasticity sliding connection.
Preferably, a fixing column is fixedly connected to the middle position of the single plate spring.
Preferably, spring grooves are formed in the bottom ends of the anticlockwise floating block and the clockwise floating block, and two ends of the fixing column on the single-leaf spring are rotatably connected to the side wall of each spring groove.
Preferably, the depth of the sliding groove is greater than the heights of the counterclockwise floating block and the clockwise floating block.
Preferably, the counterclockwise floating block and the clockwise floating block are made of Cr12Mo1V1 steel.
Preferably, the depth of the counterclockwise clamping groove is smaller than the height of the counterclockwise floating block, and the depth of the clockwise pointer clamping groove is smaller than the height of the clockwise floating block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the butt joint hoop pipe needs to be manually screwed or unscrewed, an operator can use a wrench to clamp the counter-clockwise nut and reciprocally rotate the counter-clockwise nut to realize counter-clockwise rotation of the butt joint hoop pipe, or can use the wrench to clamp the counter-clockwise nut and reciprocally rotate the counter-clockwise nut to realize clockwise rotation of the butt joint hoop pipe, so that the butt joint hoop pipe is screwed or unscrewed;
2. meanwhile, when the wrench is used for rotating, the wrench does not need to be clamped with the counterclockwise nut or the clockwise pointer nut again after being rotated for a certain distance, the required space during rotation is small, a large amount of time can be saved, and the operation is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the counterclockwise nut connection according to the present invention;
fig. 3 is a schematic view of the connection of the clockwise nut of the present invention;
FIG. 4 is a schematic view of the connection of the counterclockwise floating block according to the present invention;
fig. 5 is a schematic view of the connection of the clockwise floating block of the present invention.
In the upper diagram: 1. connecting a hoop pipe; 101. a chute; 11. an internal thread; 2. a counterclockwise nut; 201. a counterclockwise slot; 3. a clockwise nut; 301. a forward pointer clamping groove; 4. a single leaf spring; 41. fixing a column; 5. a counterclockwise floating block; 501. a spring slot; 6. the floating block floats clockwise.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to the attached drawings 1-5, the utility model provides the following technical scheme: a coupling piece for an oil pipeline comprises a coupling pipe 1 and internal threads 11 arranged on the inner wall of the coupling pipe, wherein the outer wall of the coupling pipe 1 is rotatably connected with a counterclockwise nut 2 and a clockwise pointer nut 3, the outer wall of the coupling pipe 1, corresponding positions of the counterclockwise nut 2 and the clockwise pointer nut 3, are respectively provided with two sliding chutes 101, the two sliding chutes 101 are symmetrically arranged on the outer wall of the coupling pipe 1, a plurality of counterclockwise clamping grooves 201 are formed in the circumference of the inner wall of the counterclockwise nut 2 at equal intervals, the inner wall of the sliding chute 101 corresponding to the counterclockwise nut 2 is connected with a counterclockwise floating block 5 in a sliding manner, the counterclockwise floating block 5 corresponds to the counterclockwise clamping grooves 201 in size, the bottom surface of the counterclockwise floating block 5 is provided with a single plate spring 4, the counterclockwise floating block 5 is elastically and slidably connected with the sliding chutes 101 through the single plate spring 4, and a plurality of clockwise pointer clamping grooves 301 are, and the inner wall of the sliding groove 101 corresponding to the clockwise pointer nut 3 is connected with a clockwise floating block 6 in a sliding manner, the clockwise floating block 6 corresponds to the size of the clockwise pointer clamping groove 301, the bottom surface of the clockwise floating block 6 is provided with a single-leaf spring 4, and the clockwise floating block 6 is elastically and slidably connected with the sliding groove 101 through the single-leaf spring 4.
In the embodiment, when the hoop pipe 1 needs to be manually screwed or unscrewed, the counterclockwise nut 2 is rotated counterclockwise, the counterclockwise floating block 5 slides out to the outside under the action of the single plate spring 4 and is clamped with the counterclockwise clamping groove 201 on the counterclockwise nut 2, because the arc surfaces on the counterclockwise clamping groove 201 and the counterclockwise floating block 5 are on the left side and the straight end is on the right side, when the counterclockwise nut 2 is rotated counterclockwise, the hoop pipe 1 can rotate along with the counterclockwise nut 2, after the hoop pipe rotates to a certain angle, the counterclockwise nut 2 is rotated clockwise, the counterclockwise floating block 5 slides inwards and contracts under the action of the arc surface, the hoop pipe 1 does not synchronously rotate along with the counterclockwise nut 2, the clockwise pointer nut 3 is rotated clockwise, the clockwise floating block 6 slides out to the outside under the action of the single plate spring 4 and is clamped with the clockwise pointer clamping groove 301 on the clockwise pointer nut 3, because the arc surfaces on the clockwise pointer clamping groove 301 and the clockwise floating block 6 are on the, straight end is on the left side, when clockwise rotation is in the same direction as pointer nut 3, connect hoop pipe 1 to rotate thereupon, rotate to certain angle after, counter-clockwise rotation is in the same direction as pointer nut 3, clockwise floating block 6 is the shrink of inside slip under the effect of arcwall face, connect hoop pipe 1 not along with the synchronous rotation of pointer nut 3, operating personnel can use spanner and counter-clockwise nut 2 or in the same direction as pointer nut 3 joint, reciprocal rotation counter-clockwise nut 2 or in the same direction as pointer nut 3, realize that butt joint hoop pipe 1 screws or unscrews, when using the spanner to rotate, need not again with counter-clockwise nut 2 or in the same direction as pointer nut 3 joint after the rotatory certain distance of spanner, save plenty of time, be convenient for operate.
Specifically, a fixing column 41 is fixedly connected to the middle position of the single plate spring 4; the single-leaf spring 4 is convenient to limit and fix.
Specifically, the spring grooves 501 are formed in the bottom ends of the counterclockwise floating block 5 and the clockwise floating block 6, the single-plate spring 4 can be accommodated, the occupied space is reduced, and two ends of a fixing column 41 on the single-plate spring 4 are rotatably connected to the side walls of the spring grooves 501; the single plate spring 4 can be fixed by the fixing column 41, and meanwhile, the normal compression deformation of the single plate spring 4 is not influenced.
Specifically, the depth of the chute 101 is greater than the heights of the counterclockwise floating block 5 and the clockwise floating block 6; the counterclockwise floating block 5 and the clockwise floating block 6 can be completely contracted into the sliding groove 101, so that the counterclockwise nut 2 and the clockwise pointer nut 3 can smoothly rotate in the reverse direction.
Specifically, the material of anticlockwise floater 5 and clockwise floater 6 is Cr12Mo1V1 steel, and when anticlockwise nut 2 or clockwise pointer nut 3 drove and connect hoop pipe 1 synchronous rotation, anticlockwise floater 5 and clockwise floater 6 played the effect of connecting, and the atress is great, and Cr12Mo1V1 steel is great compared with the hardness of ordinary steel, improves the life of anticlockwise floater 5 and clockwise floater 6.
Specifically, the depth of the counterclockwise slot 201 is smaller than the height of the counterclockwise floating block 5, and the depth of the clockwise pointer slot 301 is smaller than the height of the clockwise floating block 6; when the counterclockwise floating block 5 and the clockwise floating block 6 slide outwards to the maximum value, the hoop connecting pipe 1 can be connected, and the hoop connecting pipe 1 and the counterclockwise nut 2 or the clockwise pointer nut 3 can be ensured to synchronously rotate.
The utility model discloses a theory of operation and use flow: after the utility model is installed, when the hoop pipe 1 needs to be manually screwed or unscrewed, the anticlockwise nut 2 rotates anticlockwise, the anticlockwise floating block 5 slides outwards under the action of the single plate spring 4 and is clamped with the anticlockwise clamping groove 201 on the anticlockwise nut 2, because the arc surfaces on the anticlockwise clamping groove 201 and the anticlockwise floating block 5 are on the left side and the straight end is on the right side, when the anticlockwise nut 2 rotates anticlockwise, the hoop pipe 1 can rotate along with the hoop pipe 1, after rotating to a certain angle, the anticlockwise nut 2 rotates clockwise, the anticlockwise floating block 5 slides inwards and contracts under the action of the arc surface, the hoop pipe 1 does not synchronously rotate along with the anticlockwise nut 2, the clockwise pointer nut 3 rotates clockwise, the clockwise floating block 6 slides outwards under the action of the single plate spring 4 and is clamped with the clockwise pointer clamping groove 301 on the pointer nut 3, because the arc surfaces on the clockwise pointer clamping groove 301 and the clockwise floating block 6 are on the right side, straight end is on the left side, when clockwise rotation is in the same direction as pointer nut 3, connect hoop pipe 1 to rotate thereupon, rotate to certain angle after, counter-clockwise rotation is in the same direction as pointer nut 3, clockwise floating block 6 is the shrink of inside slip under the effect of arcwall face, connect hoop pipe 1 not along with the synchronous rotation of pointer nut 3, operating personnel can use spanner and counter-clockwise nut 2 or in the same direction as pointer nut 3 joint, reciprocal rotation counter-clockwise nut 2 or in the same direction as pointer nut 3, realize that butt joint hoop pipe 1 screws or unscrews, when using the spanner to rotate, need not again with counter-clockwise nut 2 or in the same direction as pointer nut 3 joint after the rotatory certain distance of spanner, save plenty of time, be convenient for operate.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A coupling member for petroleum pipelines, comprising a coupling pipe (1) and an internal thread (11) provided on an inner wall thereof, characterized in that: the outer wall of the hoop connecting pipe (1) is rotatably connected with an anticlockwise nut (2) and a clockwise pointer nut (3), sliding grooves (101) are formed in the outer wall of the hoop connecting pipe (1) and in positions corresponding to the anticlockwise nut (2) and the clockwise pointer nut (3), the number of the sliding grooves (101) is two, and the two sliding grooves (101) are symmetrically arranged on the outer wall of the hoop connecting pipe (1);
a plurality of anticlockwise clamping grooves (201) are formed in the inner wall of the anticlockwise nut (2) at equal intervals in a circle, an anticlockwise floating block (5) is connected to the inner wall of the sliding groove (101) corresponding to the anticlockwise nut (2) in a sliding mode, the anticlockwise floating block (5) corresponds to the anticlockwise clamping grooves (201) in size, a single plate spring (4) is arranged on the bottom surface of the anticlockwise floating block (5), and the anticlockwise floating block (5) is connected with the sliding groove (101) in an elastic sliding mode through the single plate spring (4);
in the same direction as pointer nut (3) inner wall a week equidistance has been seted up a plurality of in the same direction as pointer draw-in groove (301), with in the same direction as pointer nut (3) corresponding the inner wall sliding connection of spout (101) has clockwise floating block (6), clockwise floating block (6) with in the same direction as the size of pointer draw-in groove (301) corresponding, the bottom surface of clockwise floating block (6) is equipped with single leaf spring (4), clockwise floating block (6) pass through single leaf spring (4) with spout (101) elastic sliding connection.
2. A coupling member for a petroleum pipeline as claimed in claim 1, wherein: and a fixing column (41) is fixedly connected to the middle position of the single plate spring (4).
3. A coupling member for a petroleum pipeline as claimed in claim 2, wherein: spring grooves (501) are formed in the bottom ends of the anticlockwise floating block (5) and the clockwise floating block (6), and two ends of the fixing column (41) on the single-leaf spring (4) are rotatably connected to the side walls of the spring grooves (501).
4. A coupling member for a petroleum pipeline as claimed in claim 1, wherein: the depth of the sliding groove (101) is larger than the heights of the anticlockwise floating block (5) and the clockwise floating block (6).
5. A coupling member for a petroleum pipeline as claimed in claim 1, wherein: the counterclockwise floating block (5) and the clockwise floating block (6) are made of Cr12Mo1V1 steel.
6. A coupling member for a petroleum pipeline as claimed in claim 1, wherein: the depth of the anticlockwise clamping groove (201) is smaller than the height of the anticlockwise floating block (5), and the depth of the clockwise pointer clamping groove (301) is smaller than the height of the clockwise floating block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748102.XU CN210153364U (en) | 2019-05-23 | 2019-05-23 | Coupling piece for petroleum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748102.XU CN210153364U (en) | 2019-05-23 | 2019-05-23 | Coupling piece for petroleum pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210153364U true CN210153364U (en) | 2020-03-17 |
Family
ID=69760179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920748102.XU Active CN210153364U (en) | 2019-05-23 | 2019-05-23 | Coupling piece for petroleum pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210153364U (en) |
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2019
- 2019-05-23 CN CN201920748102.XU patent/CN210153364U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dongying Longwei Electromechanical Equipment Co.,Ltd. Assignor: Dongying Kechuang Petroleum Equipment Co.,Ltd. Contract record no.: X2022980028129 Denomination of utility model: A kind of coupling for oil pipeline Granted publication date: 20200317 License type: Common License Record date: 20230105 |
|
| EE01 | Entry into force of recordation of patent licensing contract |