CN216279968U - Threaded seamless steel pipe - Google Patents

Threaded seamless steel pipe Download PDF

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Publication number
CN216279968U
CN216279968U CN202122642060.1U CN202122642060U CN216279968U CN 216279968 U CN216279968 U CN 216279968U CN 202122642060 U CN202122642060 U CN 202122642060U CN 216279968 U CN216279968 U CN 216279968U
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China
Prior art keywords
wall
steel pipe
fixedly connected
pipe body
positioning
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CN202122642060.1U
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Chinese (zh)
Inventor
王春善
张桂霞
宋丹丹
马春兰
闫友军
闫友杰
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Liaocheng Leixin Metal Products Co ltd
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Liaocheng Leixin Metal Products Co ltd
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Abstract

The utility model discloses a threaded seamless steel pipe which comprises a steel pipe body, wherein external threads are arranged on two sides of the outer wall of the steel pipe body, fixing rings are fixedly connected to two sides of the outer wall of the steel pipe body, mounting screw holes are formed in the inner walls of the fixing rings, mounting bolts are connected to the inner walls of the mounting screw holes in a threaded mode, a fixing sleeve is arranged on one side of the outer wall of the steel pipe body, and the fixing sleeve is matched with the external threads. According to the utility model, the positioning fixture block is inserted into the positioning groove, the convex block is matched with the through hole under the elastic action of the compression spring so as to be fixed, the joint of the fixed sleeve and the steel pipe body is sealed through the ceramic sealing ring, the sealing effect is effectively improved, the pressure of the filter screen can be effectively buffered under the elastic action of the reset spring, the compression resistance and the shock absorption performance are enhanced, the service life of the steel pipe body is prolonged, meanwhile, the steel pipe bodies can be quickly connected and detached, and the replacement among the steel pipe bodies is convenient.

Description

Threaded seamless steel pipe
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a threaded seamless steel pipe.
Background
Seamless steel pipes are steel pipes which are punched by a whole round steel and have no welding seams on the surface, and are called seamless steel pipes. The seamless steel pipe may be hot-rolled, cold-drawn, extruded, pipe-jacked, etc., depending on the production method. The seamless steel pipe is divided into a round shape and a special shape according to the shape of a section, and the special-shaped pipe has various complex shapes such as a square shape, an oval shape, a triangular shape, a hexagonal shape, a melon seed shape, a star shape and a pipe with fins. The maximum diameter is up to 900mm and the minimum diameter is 4 mm. Depending on the application, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. The seamless steel pipe is mainly used as a petroleum geology drill pipe, a cracking pipe, a boiler pipe and a bearing pipe for petrochemical industry, and a high-precision structural steel pipe for automobiles, tractors and aviation.
Current seamless steel pipe is at the in-process of long-term use, because its high pressure resistance can be relatively weak, leads to the life of steel pipe shorter, adopts flange and bolt and nut to connect often connecting simultaneously, and a plurality of bolts and nut are connected, and is comparatively troublesome when dismantling, and sealed effect is comparatively single.
Therefore, it is necessary to provide a threaded seamless steel pipe to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a threaded seamless steel tube, which is characterized in that a convex block is matched with a through hole through the elastic action of a compression spring so as to be fixed and convenient to replace, a filter screen arranged in a fixed sleeve can filter part of impurities in fluid, and the pressure of the filter screen when the filter screen is impacted by liquid can be effectively buffered through the elastic action of a return spring so as to overcome the defects in the technology.
In order to achieve the above purpose, the utility model provides the following technical scheme: a threaded seamless steel pipe comprises a steel pipe body, wherein external threads are arranged on two sides of the outer wall of the steel pipe body, fixing rings are fixedly connected to two sides of the outer wall of the steel pipe body, mounting screw holes are formed in the inner walls of the fixing rings, and mounting bolts are connected to the inner walls of the mounting screw holes in a threaded mode;
the steel pipe comprises a steel pipe body, and is characterized in that a fixing sleeve is arranged on one side of the outer wall of the steel pipe body and matched with an external thread, the fixing sleeve is matched with the steel pipe body, a positioning pipe is fixedly connected inside the fixing sleeve, limiting lantern rings are arranged on two sides of the outer wall of the positioning pipe, a ceramic sealing ring is fixedly connected on one side, close to the positioning pipe, of the outer wall of each limiting lantern ring, a positioning fixture block is fixedly connected on one side, away from the ceramic sealing ring, of the outer wall of each limiting lantern ring, the number of the positioning fixture blocks is multiple, through holes are formed in the inner walls of the positioning fixture blocks, an installation screw hole is formed in the fixing ring, and an installation bolt is connected on the inner wall of the installation screw hole in a threaded manner;
a positioning groove is formed in one side of the inner wall of the steel pipe body, a movable sleeve ring is connected inside the positioning pipe in a sliding manner, a filter screen is fixedly connected inside the movable sleeve ring, a fixed sleeve is fixedly connected to the outer wall of the movable sleeve ring, a movable groove is formed inside the positioning pipe, the positioning pipe is connected with the movable groove in a sliding manner, a fixed rod is fixedly connected to the inner wall of the movable groove, a slotted hole is formed in the inner wall of the fixed sleeve, and the slotted hole is connected with the fixed rod in a sliding manner,
the steel pipe body is internally provided with a first inner pipe, the outer wall of the first inner pipe is provided with a second inner pipe, the outer wall of the second inner pipe is provided with a protective outer pipe, one side of the inner wall of the second inner pipe is fixedly connected with a movable cylinder, the inner wall of the movable cylinder is slidably connected with a sliding block, a limiting spring is arranged inside the movable cylinder, the outer wall of the sliding block is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with one side of the outer wall of the first inner pipe.
Preferably, the number of installation screw sets up to a plurality ofly, and is a plurality of installation screw is annular evenly distributed at solid fixed ring inner wall.
Preferably, both sides of the outer wall of the positioning groove are provided with grooves, the inner part of each groove is connected with a convex block in a sliding manner, a compression spring is fixedly connected between each convex block and each groove, and each convex block is matched with each through hole.
Preferably, the number of the movable cylinders is set to be a plurality, and the plurality of the movable cylinders are uniformly distributed on the inner wall of the second inner pipe in an annular shape.
Preferably, the outer wall of the fixed rod is movably sleeved with a return spring, and two sides of the outer wall of the return spring are respectively abutted against the fixed sleeve and the positioning pipe.
Preferably, a wear-resistant anti-corrosion layer is arranged between the second inner tube and the protective outer tube, elastic rings are arranged between the second inner tube and the wear-resistant anti-corrosion layer, the number of the elastic rings is multiple, and extension springs are fixedly connected inside the elastic rings.
Preferably, the quantity of installation screw sets up to a plurality ofly, and is a plurality of installation screw is annular evenly distributed at solid fixed ring inner wall, fixed sleeve inner wall has seted up the location screw, the quantity of location screw corresponds with the installation screw, the construction bolt matches with the location screw.
In the technical scheme, the utility model provides the following technical effects and advantages:
through inside inserting the constant head tank with the location fixture block, rotate the spacing lantern ring simultaneously, make the location fixture block rotate inside the constant head tank, when the location fixture block rotates, through compression spring's elastic action with lug and through-hole phase-match, thereby fix it, the installation is fixed simple quick, and conveniently change, seal fixed sleeve pipe and this body junction of steel pipe through ceramic seal ring, effectively improve sealed effect, the filter screen of fixed inside setting of cover simultaneously can filter the partial impurity in the fluid, through reset spring's elastic action, pressure when effectively buffering the filter screen receives liquid impact, thereby strengthen the resistance to compression damping performance of steel pipe body, improve the life of steel pipe body, make simultaneously can high-speed joint and dismantlement between the steel pipe body, the manpower is saved, be convenient for change between the steel pipe body.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
FIG. 2 is a sectional view showing the internal structure of a steel pipe body according to the present invention;
FIG. 3 is a schematic view of the connection structure of the retaining sleeve and the position-limiting collar of the present invention;
FIG. 4 is a partial schematic view of a retaining ring according to the present invention;
fig. 5 is a sectional view of the interior of the fixing sleeve of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 1A according to the present invention.
Description of reference numerals:
1. a steel pipe body; 2. an external thread; 3. a fixing ring; 4. mounting a screw hole; 5. installing a bolt; 6. positioning the screw hole; 7. fixing the sleeve; 8. a positioning tube; 9. a limiting lantern ring; 10. a ceramic seal ring; 11. positioning a fixture block; 12. a through hole; 13. positioning a groove; 14. a bump; 15. a compression spring; 16. a movable collar; 17. a filter screen; 18. fixing the sleeve; 19. a movable groove; 20. a through hole; 21. fixing the rod; 22. a return spring; 23. a first inner tube; 24. a second inner tube; 25. a movable barrel; 26. a slider; 27. a limiting plate; 28. a limiting spring; 29. a protective outer tube; 30. an elastic ring; 31. a tension spring.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a threaded seamless steel tube as shown in figures 1-6, which comprises a steel tube body 1, wherein external threads 2 are arranged on two sides of the outer wall of the steel tube body 1, fixing rings 3 are fixedly connected to two sides of the outer wall of the steel tube body 1, mounting screw holes 4 are formed in the inner walls of the fixing rings 3, and mounting bolts 5 are connected to the inner walls of the mounting screw holes 4 in a threaded manner;
a fixing sleeve 7 is arranged on one side of the outer wall of the steel pipe body 1, the fixing sleeve 7 is matched with the external thread 2, the fixing sleeve 7 is matched with the steel pipe body 1, a positioning pipe 8 is fixedly connected inside the fixing sleeve 7, limiting lantern rings 9 are arranged on two sides of the outer wall of the positioning pipe 8, a ceramic sealing ring 10 is fixedly connected on one side, close to the positioning pipe 8, of the outer wall of each limiting lantern ring 9, a positioning clamping block 11 is fixedly connected on one side, far away from the ceramic sealing ring 10, of the outer wall of each limiting lantern ring 9, a plurality of positioning clamping blocks 11 are arranged, through holes 12 are formed in the inner walls of the plurality of positioning clamping blocks 11, an installation screw hole 4 is formed inside the fixing ring 3, and an installation bolt 5 is in threaded connection with the inner wall of the installation screw hole 4;
a positioning groove 13 is formed in one side of the inner wall of the steel pipe body 1, a movable lantern ring 16 is connected in the positioning pipe 8 in a sliding manner, a filter screen 17 is fixedly connected in the movable lantern ring 16, a fixed sleeve 18 is fixedly connected to the outer wall of the movable lantern ring 16, a movable groove 19 is formed in the positioning pipe 8, the positioning pipe 8 is connected with the movable groove 19 in a sliding manner, a fixed rod 21 is fixedly connected to the inner wall of the movable groove 19, a slotted hole 20 is formed in the inner wall of the fixed sleeve 18, and the slotted hole 20 is connected with the fixed rod 21 in a sliding manner,
the inside first inner tube 23 that is equipped with of steel pipe body 1, first inner tube 23 outer wall is equipped with second inner tube 24, second inner tube 24 outer wall is equipped with protection outer tube 29, 24 inner wall one side fixedly connected with movable section of thick bamboo 25 of second inner tube, 25 inner wall sliding connection of movable section of thick bamboo has slider 26, the inside spacing spring 28 that is equipped with of movable section of thick bamboo 25, 26 outer wall fixedly connected with limiting plate 27 of slider, limiting plate 27 and 23 outer wall one side fixed connection of first inner tube.
Furthermore, in the above technical scheme, the number of the installation screw holes 4 is set to be a plurality of, and the installation screw holes 4 are uniformly distributed on the inner wall of the fixing ring 3 in an annular shape.
Further, in the above technical scheme, grooves are formed in both sides of the outer wall of the positioning groove 13, a convex block 14 is connected to the inside of each groove in a sliding manner, a compression spring 15 is fixedly connected between each convex block 14 and each groove, and each convex block 14 is matched with the through hole 12.
Further, in the above technical solution, the number of the movable cylinders 25 is set to be a plurality, and the plurality of movable cylinders 25 are uniformly distributed on the inner wall of the second inner tube 24 in an annular shape.
Further, in the above technical solution, the outer wall of the fixing rod 21 is movably sleeved with a limiting spring 28, and two sides of the outer wall of the limiting spring 28 respectively abut against the fixing sleeve 18 and the positioning tube 8.
Further, in the above technical solution, a wear-resistant anti-corrosion layer is disposed between the second inner tube 24 and the protective outer tube 29, a plurality of elastic rings 30 are disposed between the second inner tube 24 and the wear-resistant anti-corrosion layer, and a tension spring 31 is fixedly connected inside the elastic rings 30.
Furthermore, in the above technical scheme, the number of the installation screw holes 4 is set to be a plurality of, the installation screw holes 4 are uniformly distributed on the inner wall of the fixing ring 3 in an annular manner, the inner wall of the fixing sleeve 7 is provided with positioning screw holes 6, the number of the positioning screw holes 6 corresponds to that of the installation screw holes 4, and the installation bolt 5 is matched with the positioning screw holes 6.
This practical theory of operation:
referring to the attached drawings 1-6 of the specification, when the utility model is installed, firstly, a limiting ring 9 fixed with a ceramic sealing ring 10 is matched with a steel pipe body 1, then a positioning fixture block 11 is inserted into a positioning groove 13, the limiting ring 9 is rotated at the same time, the positioning fixture block 11 is rotated in the positioning groove 13, when the positioning fixture block 11 is rotated, a lug 14 is matched with a through hole 12 through the elastic action of a compression spring 15 so as to fix the positioning fixture block, then the steel pipe body 1 is in threaded connection with a fixed sleeve 7, a fixing ring 3 is fixed with the fixed sleeve 7 through an installation bolt 5 so as to prevent the fixed sleeve 7 from being twisted and loosened, the fixed sleeve 7 is simply and quickly installed and is convenient to replace, the ceramic sealing ring 10 has strong corrosion resistance, and the joint of the fixed sleeve 7 and the steel pipe body 1 is sealed through the ceramic sealing ring 10, effectively prevent the inside fluid of leading of steel pipe body 1 from revealing, effectively improve sealed effect, the inside filter screen 17 that sets up of fixed sleeve 7 can filter the partial impurity in the fluid simultaneously, avoid impurity to block up inside steel pipe body 1, dead lever 21 and fixed sleeve 18 sliding connection simultaneously, through reset spring 22's elastic force effect, pressure when can effectively cushion filter screen 17 and receive liquid impact, thereby strengthen steel pipe body 1's resistance to compression shock attenuation performance, improve steel pipe body 1's life, make simultaneously can high-speed joint and dismantle between the steel pipe body 1, use manpower sparingly, be convenient for change between the steel pipe body 1.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims (7)

1. The utility model provides a thread formula seamless steel pipe, includes steel pipe body (1), its characterized in that: external threads (2) are arranged on two sides of the outer wall of the steel pipe body (1), fixing rings (3) are fixedly connected to two sides of the outer wall of the steel pipe body (1), mounting screw holes (4) are formed in the inner walls of the fixing rings (3), and mounting bolts (5) are connected to the inner walls of the mounting screw holes (4) in a threaded mode;
a fixed sleeve (7) is arranged on one side of the outer wall of the steel pipe body (1), the fixed sleeve (7) is matched with the external thread (2), the fixed sleeve (7) is matched with the steel pipe body (1), the fixed sleeve (7) is fixedly connected with a positioning pipe (8) inside, both sides of the outer wall of the positioning pipe (8) are provided with limiting lantern rings (9), one side of the outer wall of each limiting lantern ring (9), which is close to the positioning pipe (8), is fixedly connected with a ceramic sealing ring (10), a positioning fixture block (11) is fixedly connected with one side of the outer wall of the limiting lantern ring (9) far away from the ceramic sealing ring (10), the number of the positioning clamping blocks (11) is multiple, through holes (12) are arranged on the inner walls of the plurality of positioning clamping blocks (11), an installation screw hole (4) is formed in the fixing ring (3), and an installation bolt (5) is connected to the inner wall of the installation screw hole (4) in a threaded manner;
the steel pipe comprises a steel pipe body (1), wherein a positioning groove (13) is formed in one side of the inner wall of the steel pipe body (1), a movable sleeve ring (16) is connected inside the positioning pipe (8) in a sliding manner, a filter screen (17) is fixedly connected inside the movable sleeve ring (16), a fixed sleeve (18) is fixedly connected to the outer wall of the movable sleeve ring (16), a movable groove (19) is formed inside the positioning pipe (8), the positioning pipe (8) is connected with the movable groove (19) in a sliding manner, a fixed rod (21) is fixedly connected to the inner wall of the movable groove (19), a slotted hole (20) is formed in the inner wall of the fixed sleeve (18), and the slotted hole (20) is connected with the fixed rod (21) in a sliding manner,
the steel pipe body (1) is inside to be equipped with first inner tube (23), first inner tube (23) outer wall is equipped with second inner tube (24), second inner tube (24) outer wall is equipped with protection outer tube (29), second inner tube (24) inner wall one side fixedly connected with activity section of thick bamboo (25), activity section of thick bamboo (25) inner wall sliding connection has slider (26), activity section of thick bamboo (25) inside is equipped with spacing spring (28), slider (26) outer wall fixedly connected with limiting plate (27), limiting plate (27) and first inner tube (23) outer wall one side fixed connection.
2. The threaded seamless steel pipe according to claim 1, characterized in that: the number of installation screw (4) sets up to a plurality ofly, and is a plurality of installation screw (4) are annular evenly distributed at solid fixed ring (3) inner wall.
3. The threaded seamless steel pipe according to claim 1, characterized in that: the locating groove is characterized in that grooves are formed in two sides of the outer wall of the locating groove (13), a convex block (14) is connected to the inner portion of each groove in a sliding mode, a compression spring (15) is fixedly connected between each convex block (14) and each groove, and each convex block (14) is matched with each through hole (12).
4. The threaded seamless steel pipe according to claim 1, characterized in that: the number of the movable cylinders (25) is set to be a plurality of, and the movable cylinders (25) are uniformly distributed on the inner wall of the second inner pipe (24) in an annular shape.
5. The threaded seamless steel pipe according to claim 1, characterized in that: the outer wall of the fixed rod (21) is movably sleeved with a limiting spring (28), and two sides of the outer wall of the limiting spring (28) are respectively abutted against the fixed sleeve (18) and the positioning pipe (8).
6. The threaded seamless steel pipe according to claim 1, characterized in that: a wear-resistant anti-corrosion layer is arranged between the second inner pipe (24) and the protective outer pipe (29), elastic rings (30) are arranged between the second inner pipe (24) and the wear-resistant anti-corrosion layer, the number of the elastic rings (30) is multiple, and extension springs (31) are fixedly connected inside the elastic rings (30).
7. The threaded seamless steel pipe according to claim 1, characterized in that: the quantity of installation screw (4) sets up to a plurality ofly, and is a plurality of installation screw (4) are annular evenly distributed at solid fixed ring (3) inner wall, location screw (6) have been seted up to fixed sleeve pipe (7) inner wall, the quantity and the installation screw (4) of location screw (6) are corresponding, construction bolt (5) and location screw (6) phase-match.
CN202122642060.1U 2021-11-01 2021-11-01 Threaded seamless steel pipe Active CN216279968U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122642060.1U CN216279968U (en) 2021-11-01 2021-11-01 Threaded seamless steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122642060.1U CN216279968U (en) 2021-11-01 2021-11-01 Threaded seamless steel pipe

Publications (1)

Publication Number Publication Date
CN216279968U true CN216279968U (en) 2022-04-12

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Application Number Title Priority Date Filing Date
CN202122642060.1U Active CN216279968U (en) 2021-11-01 2021-11-01 Threaded seamless steel pipe

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115218047A (en) * 2022-07-11 2022-10-21 徐州瑞田工程机械有限公司 Self-locking connecting mechanism for water pipe
CN117489914A (en) * 2023-12-29 2024-02-02 泰州市吉远船用附件有限公司 Marine valve with detachable filter screen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115218047A (en) * 2022-07-11 2022-10-21 徐州瑞田工程机械有限公司 Self-locking connecting mechanism for water pipe
CN115218047B (en) * 2022-07-11 2023-12-29 江苏乾景环保科技有限公司 Self-locking connecting mechanism for water pipe
CN117489914A (en) * 2023-12-29 2024-02-02 泰州市吉远船用附件有限公司 Marine valve with detachable filter screen
CN117489914B (en) * 2023-12-29 2024-03-15 泰州市吉远船用附件有限公司 Marine valve with detachable filter screen

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