CN210440733U - Connecting structure of seamless steel pipe - Google Patents
Connecting structure of seamless steel pipe Download PDFInfo
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- CN210440733U CN210440733U CN201921415953.9U CN201921415953U CN210440733U CN 210440733 U CN210440733 U CN 210440733U CN 201921415953 U CN201921415953 U CN 201921415953U CN 210440733 U CN210440733 U CN 210440733U
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- seamless steel
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Abstract
The utility model relates to the technical field of steel pipes, and discloses a connecting structure of seamless steel pipes, which adopts the technical scheme that the connecting structure comprises pipe bodies, wherein one end of each pipe body is fixed with a first mounting ring, the other end of each pipe body is fixed with a second mounting ring, and the first mounting ring and the second mounting ring of two adjacent pipe bodies are connected through at least two fixing parts; the fixing piece comprises a fixing rod arranged on the first mounting ring and a limiting ring sleeved on the fixing rod, the outer diameter of the limiting ring is larger than the diameter of the fixing rod, and a fixing hole for the fixing rod to extend out is formed in the second mounting ring; the outer wall of the fixed rod is provided with a sliding groove extending along the length direction of the fixed rod, the inner wall of the limiting ring is fixed with a sliding block which is arranged in the sliding groove in a sliding mode, the inner wall of the sliding groove is annularly cut with an annular groove into which the sliding block can rotate, and a positioning piece used for limiting the sliding block to move is arranged in the annular groove. The utility model discloses have and also can accomplish the effect that the steel pipe was assembled under the condition of instrument such as no screwdriver.
Description
Technical Field
The utility model relates to a technical field of steel pipe, more specifically say that it relates to a seamless steel pipe's connection structure.
Background
The seamless steel pipe has a hollow section, is used as a pipeline for conveying a large amount of fluid, such as pipelines for conveying oil, natural gas, water and certain solid materials, has good bending and torsion resistance and light weight, is an economic section steel material, and is widely used for manufacturing structural parts and mechanical parts.
In actual use, a plurality of seamless steel pipes need to be spliced with each other to adapt to long-distance fluid conveying. The traditional seamless steel pipe is usually spliced by flanges arranged on the end parts of the seamless steel pipe, and the flanges between two adjacent steel pipes are fastened and connected through a plurality of bolts.
Although the connection mode has good firmness, people need to use tools such as a screwdriver and the like which are matched with the bolt to screw the bolt to connect the flange, people need to carry the tools such as the screwdriver and the like when dismounting the steel pipe every time, and the splicing of two steel pipes can not be finished without the tools, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a seamless steel pipe's mosaic structure, two adjacent steel pipes are not passed through bolted connection, have the effect that also can accomplish the steel pipe and assemble under the condition of instrument such as no screwdriver.
In order to achieve the above purpose, the utility model provides a following technical scheme: a connecting structure of seamless steel pipes comprises pipe bodies, wherein a first mounting ring is fixed at one end of each pipe body, a second mounting ring is fixed at the other end of each pipe body, and the first mounting ring and the second mounting ring of two adjacent pipe bodies are connected through at least two fixing pieces; the fixing piece comprises a fixing rod arranged on the first mounting ring and a limiting ring sleeved on the fixing rod, the outer diameter of the limiting ring is larger than the diameter of the fixing rod, and a fixing hole for the fixing rod to extend out is formed in the second mounting ring; the outer wall of the fixed rod is provided with a sliding groove extending along the length direction of the fixed rod, the inner wall of the limiting ring is fixedly provided with a sliding block which is slidably arranged in the sliding groove, the inner wall of the sliding groove is annularly cut with an annular groove for the sliding block to rotate into, and a positioning piece used for limiting the sliding block to move is arranged in the annular groove.
By adopting the technical scheme, when two steel pipes are connected, the first mounting ring at the end part of one of the pipe bodies is pressed close to the second mounting ring at the end part of the other pipe body, so that the fixing rods penetrate out of the fixing holes close to the fixing rods respectively. Then embolia the dead lever with the spacing ring to with spacing ring to pass to the one side that is close to the second collar, the sliding block stretches into the sliding tray thereupon and moves along the sliding tray, the inner wall of sliding tray can block the sliding block and rotate, plays the spacing effect of direction. When the sliding block moves to be communicated with the annular groove, the limiting ring is rotated to enable the sliding block to move into the annular groove, and then the sliding block is limited to move through the positioning piece. The second mounting ring receives blockking of spacing ring and can not remove to the one side of keeping away from first mounting ring this moment to realize the connection of two adjacent bodys, people need not to hand-carry tools such as screwdriver, assemble the convenience.
The utility model discloses further set up to: the positioning piece comprises a positioning piece fixed on the bottom wall of the annular groove and a stop pin penetrating through the limiting ring, a positioning groove for the stop pin to extend into is formed in the middle of the positioning piece, and a through hole penetrating through the sliding block is formed in the limiting ring; when the sliding block and the positioning block are abutted, the positioning groove and the through hole are aligned.
Through adopting above-mentioned technical scheme, when sliding block and locating piece butt, pass through-hole and constant head tank with the stop pin in proper order, the stop pin can be even integrative and the restriction sliding block continues to rotate spacing ring, sliding block and locating piece this moment, has improved the stability of sliding block.
The utility model discloses further set up to: and a rubber ring is fixed on the inner wall of the positioning groove.
Through adopting above-mentioned technical scheme, can extrude the rubber circle when the stop pin stretches into the constant head tank and make it produce deformation to make the crowded tight stop pin of rubber circle separate with restriction stop pin and constant head tank.
The utility model discloses further set up to: the stop pin comprises a head part and a rod part which are fixedly connected, and the diameter of the head part is larger than that of the rod part and the inner diameter of the through hole.
By adopting the technical scheme, the head part not only has the effect of facilitating people to insert and pull the stop pin, but also can prevent the stop pin from slipping when being pulled by hands; and the rod part can be limited to be completely inserted into the through hole.
The utility model discloses further set up to: the one end integrated into one piece that the head was kept away from to pole portion has the guide block, the diameter of guide block reduces to the one side of keeping away from pole portion gradually.
Through adopting above-mentioned technical scheme, the guide block plays the effect of direction when through-hole and constant head tank are inserted to pole portion, makes things convenient for the grafting of stop pin.
The utility model discloses further set up to: the quantity of ring channel is a plurality of and along the length direction equidistance distribution of fixed bar.
Through adopting above-mentioned technical scheme, the spacing of spacing ring and first mounting ring is different when the sliding block stretches into different ring channels for first mounting ring can use with the cooperation of the second mounting ring of different thickness, and application scope is big.
The utility model discloses further set up to: the quantity of sliding tray is two and is the circumference equipartition with the axis of dead lever.
By adopting the technical scheme, the stability of the sliding block during moving is further improved.
The utility model discloses further set up to: two moving blocks are uniformly distributed on the outer wall of the limiting ring in the circumferential direction.
Through adopting above-mentioned technical scheme, the usable movable block drive spacing ring of staff rotates, compares in the direct arc that acts on the hand at the spacing ring on the surface more convenient operation, and the palm is difficult for skidding when rotating.
The utility model discloses further set up to: and a plurality of anti-skidding blocks are integrally formed on the outer surface of the moving block.
Through adopting above-mentioned technical scheme, the non slipping spur has increased the frictional force of movable block and finger, and antiskid is effectual.
To sum up, the utility model discloses following beneficial effect has:
1. when two steel pipes are connected, the first mounting ring is abutted against the second mounting ring of the other pipe body, so that the fixed rod extends out of the fixed hole, then the limiting ring is sleeved on the fixed rod and pushed towards the second mounting ring, and the sliding block moves along the sliding groove; when the sliding block moves to be communicated with the annular groove and the limiting ring abuts against the second mounting ring, the stop pin penetrates into the through hole and the positioning groove in sequence, so that people can splice two steel pipes without carrying tools such as a screwdriver and the like;
2. the annular grooves are formed in a plurality of modes, so that the first mounting ring can be matched with second mounting rings with different thicknesses for use, and the application range is wide.
Drawings
FIG. 1 is a schematic structural view of a tube body according to the present embodiment;
FIG. 2 is a schematic view of the connection of two pipes in the present embodiment;
FIG. 3 is a schematic view of the two pipes separated in the present embodiment;
fig. 4 is an enlarged schematic view at a in fig. 3.
Reference numerals: 1. a pipe body; 2. a first mounting ring; 3. a second mounting ring; 4. a gasket; 5. a fixing member; 6. fixing the rod; 7. a limiting ring; 8. a fixing hole; 9. a sliding groove; 10. a slider; 11. an annular groove; 12. a moving block; 13. anti-skid blocks; 14. a positioning member; 15. positioning blocks; 16. a retaining pin; 17. positioning a groove; 18. a through hole; 19. a head portion; 20. a rod portion; 21. a guide block; 22. a rubber ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses connection structure of seamless steel pipe, as shown in fig. 1, fig. 2, including body 1, the one end of body 1 is fixed with first collar 2, the other end is fixed with second collar 3, and the terminal surface that keeps away from each other of first collar 2 and second collar 3 on the same body 1 all is fixed with sealed 4, and sealed 4 is made by rubber materials. First collar 2 and second collar 3 on two adjacent bodys 1 link to each other through four mountings 5, and four mountings 5 are circumference equipartition with the axis of body 1.
As shown in fig. 3 and 4, the fixing member 5 includes a fixing rod 6 and a limiting ring 7, the fixing rod 6 is fixed at one end of the first mounting ring 2 far away from the pipe body 1 connected thereto, and the second mounting ring 3 is provided with four fixing holes 8. Two sliding grooves 9 are evenly distributed on the outer wall of the fixing rod 6 in the circumferential direction, and the two sliding grooves 9 extend along the length direction of the fixing rod 6. The limiting ring 7 is sleeved on the fixing rod 6, two sliding blocks 10 are fixed on the inner wall of the fixing rod, and the two sliding blocks 10 can respectively extend into the two sliding grooves 9. The inner wall of the sliding groove 9 is provided with a plurality of annular grooves 11 in a sliding way, the width of each annular groove 11 is larger than that of the sliding block 10, the sliding block 10 can rotate in the annular grooves, and the distance between every two adjacent annular grooves 11 is equal. The outer diameter of the limiting ring 7 is larger than the diameter of the fixing rod 6, and the inner diameter of the limiting ring is smaller than the diameter of the fixing rod 6 and larger than the outer diameter of a cylinder formed by the bottom wall of the annular groove 11.
As shown in fig. 3 and 4, when two pipe bodies 1 are connected, the first mounting ring 2 at the end of one pipe body 1 is abutted against the second mounting ring 3 at the end of the other pipe body 1, so that the four fixing rods 6 respectively penetrate through the four fixing holes 8. Then, the limiting ring 7 is sleeved into the fixing rod 6 and pushed towards the second mounting ring 3, the sliding block 10 moves along the sliding groove 9, when the sliding block 10 moves to be communicated with the annular groove 11 close to the second mounting ring 3, the sliding block 10 is rotated into the annular groove 11, the inner wall of the annular groove 11 can limit the sliding block 10 to move along the fixing rod 6, the limiting ring 7 tightly presses the second mounting ring 3 and limits the second mounting ring to move relative to the first mounting ring 2, and therefore connection of two steel pipes is achieved. The number of the annular grooves 11 is multiple, so that the first mounting ring 2 can be matched with the second mounting rings 3 with different thicknesses for use, and the application range is wide.
As shown in fig. 3 and 4, two moving blocks 12 are uniformly distributed on the outer wall of the limiting ring 7 in the circumferential direction, and a plurality of anti-skid blocks 13 are integrally formed on the surface of the moving blocks 12. People can drive the limiting ring 7 to rotate through the moving block 12, and compared with a mode that the palm is not easy to slip when a hand directly holds the arc-shaped outer wall of the limiting ring 7.
As shown in fig. 3 and 4, two positioning members 14 are disposed in each annular groove 11, each positioning member 14 includes a positioning block 15 and a stop pin 16, the positioning block 15 is fixed on the bottom wall of the annular groove 11, and a positioning groove 17 is disposed in the middle of the positioning block 15, a through hole 18 penetrating through the sliding block 10 is disposed on the limit ring 7, and the inner diameter of the through hole 18 is equal to the inner diameter of the positioning groove 17. The stop pin 16 comprises a head part 19 and a rod part 20 which are integrally arranged, wherein the diameter of the head part 19 is larger than that of the rod part 20 and the inner diameter of the positioning groove 17, and the diameter of the rod part 20 is slightly smaller than that of the positioning groove 17. When slider 10 rotated to with locating piece 15 butt, constant head tank 17 and through-hole 18 align, then stretch into constant head tank 17 behind passing through-hole 18 with stop pin 16 for slider 10 is difficult for relative fixed pole 6 to rotate, and stability is good.
As shown in fig. 4, a rubber ring 22 is fixed on the inner wall of the positioning groove 17, and the rubber ring 22 is pressed and deformed when the stopper pin 16 is inserted into the positioning groove 17, thereby pressing the stopper pin 16 to restrict its separation from the positioning groove 17. The side of the stem portion 20 remote from the head portion 19 is integrally formed with a guide block 21, and the guide block 21 serves as a guide when the stem portion 20 extends into the through hole 18 and the positioning groove 17.
The working process of the embodiment: when connecting two steel pipes, press close to with the first collar 2 of one of them body 1 tip with the second collar 3 on another body 1 earlier for four dead levers 6 wear out four fixed orificess 8 respectively, then embolia spacing ring 7 from the tip of dead lever 6 and promote to second collar 3, and two sliding blocks 10 remove along two sliding tray 9 respectively. When the sliding block 10 moves to the annular groove 11 close to the second mounting ring 3 for communication, the hand rotates the moving block 12 to drive the limiting ring 7 and the sliding block 10 to rotate, so that the two sliding blocks 10 are respectively abutted to the two positioning blocks 15, aligned with the positioning grooves 17 and the through holes 18, and finally the stop pin 16 penetrates through the through holes 18 and then extends into the positioning grooves 17. Two steel pipes in the above-mentioned connected mode do not pass through bolted connection, and people need not to hand-carry tools such as screwdriver when assembling the steel pipe, convenient operation.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a connection structure of seamless steel pipe, includes body (1), its characterized in that: a first mounting ring (2) is fixed at one end of each pipe body (1), a second mounting ring (3) is fixed at the other end of each pipe body (1), and the first mounting rings (2) and the second mounting rings (3) of two adjacent pipe bodies (1) are connected through at least two fixing pieces (5); the fixing piece (5) comprises a fixing rod (6) arranged on the first mounting ring (2) and a limiting ring (7) sleeved on the fixing rod (6), the outer diameter of the limiting ring (7) is larger than the diameter of the fixing rod (6), and a fixing hole (8) for the fixing rod (6) to extend out is formed in the second mounting ring (3); be equipped with on the outer wall of dead lever (6) along sliding tray (9) that its length direction extends, be fixed with on the inner wall of spacing ring (7) and slide sliding block (10) of establishing in sliding tray (9), the ring is cut on the inner wall of sliding tray (9) and is had ring channel (11) that can supply sliding block (10) to change over to, be equipped with setting element (14) that are used for restricting sliding block (10) removal in ring channel (11).
2. The connecting structure of seamless steel pipes according to claim 1, characterized in that: the positioning piece (14) comprises a positioning piece (15) fixed on the bottom wall of the annular groove (11) and a stop pin (16) penetrating through the limiting ring (7), a positioning groove (17) for the stop pin (16) to extend into is formed in the middle of the positioning piece (15), and a through hole (18) penetrating through the sliding block (10) is formed in the limiting ring (7); when the sliding block (10) is abutted to the positioning block (15), the positioning groove (17) is aligned to the through hole (18).
3. The connecting structure of seamless steel pipes according to claim 2, characterized in that: and a rubber ring (22) is fixed on the inner wall of the positioning groove (17).
4. The connecting structure of seamless steel pipes according to claim 2, characterized in that: the stop pin (16) comprises a head part (19) and a rod part (20) which are fixedly connected, and the diameter of the head part (19) is larger than that of the rod part (20) and the inner diameter of the through hole (18).
5. The connecting structure of seamless steel pipes according to claim 4, characterized in that: one end of the rod part (20) far away from the head part (19) is integrally formed with a guide block (21), and the diameter of the guide block (21) is gradually reduced towards one side far away from the rod part (20).
6. The connecting structure of seamless steel pipes according to claim 1, characterized in that: the quantity of ring channel (11) is a plurality of and along the length direction equidistance distribution of dead lever (6).
7. The connecting structure of seamless steel pipes according to claim 1, characterized in that: the number of the sliding grooves (9) is two and the central axes of the fixing rods (6) are circumferentially and uniformly distributed.
8. The connecting structure of seamless steel pipes according to claim 1, characterized in that: two moving blocks (12) are uniformly distributed on the outer wall of the limiting ring (7) in the circumferential direction.
9. The connecting structure of seamless steel pipes according to claim 8, characterized in that: the outer surface of the moving block (12) is integrally formed with a plurality of anti-skidding blocks (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415953.9U CN210440733U (en) | 2019-08-28 | 2019-08-28 | Connecting structure of seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415953.9U CN210440733U (en) | 2019-08-28 | 2019-08-28 | Connecting structure of seamless steel pipe |
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| Publication Number | Publication Date |
|---|---|
| CN210440733U true CN210440733U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921415953.9U Active CN210440733U (en) | 2019-08-28 | 2019-08-28 | Connecting structure of seamless steel pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780857A (en) * | 2021-02-09 | 2021-05-11 | 昆明理工大学 | Water diversion pipe sealing connection device for irrigation |
| CN113932069A (en) * | 2021-10-10 | 2022-01-14 | 山东水总有限公司 | Large-diameter steel pipe, mounting equipment and mounting method thereof |
| CN114076234A (en) * | 2020-08-19 | 2022-02-22 | 四川川晟消防工程有限公司 | Fire-fighting pipe fitting and installation method thereof |
-
2019
- 2019-08-28 CN CN201921415953.9U patent/CN210440733U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076234A (en) * | 2020-08-19 | 2022-02-22 | 四川川晟消防工程有限公司 | Fire-fighting pipe fitting and installation method thereof |
| CN114076234B (en) * | 2020-08-19 | 2023-09-12 | 四川川晟消防工程有限公司 | Fire-fighting pipe fitting and installation method thereof |
| CN112780857A (en) * | 2021-02-09 | 2021-05-11 | 昆明理工大学 | Water diversion pipe sealing connection device for irrigation |
| CN112780857B (en) * | 2021-02-09 | 2022-11-11 | 昆明理工大学 | Water diversion pipe sealing connection device for irrigation |
| CN113932069A (en) * | 2021-10-10 | 2022-01-14 | 山东水总有限公司 | Large-diameter steel pipe, mounting equipment and mounting method thereof |
| CN113932069B (en) * | 2021-10-10 | 2023-03-10 | 山东水总有限公司 | Large-diameter steel pipe, mounting equipment and mounting method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Connection structure of seamless steel pipe Effective date of registration: 20221102 Granted publication date: 20200501 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: Zhejiang Fengye Group Co.,Ltd. Registration number: Y2022110000301 |