CN210599717U - Self-expansion friction steel pipe - Google Patents
Self-expansion friction steel pipe Download PDFInfo
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- CN210599717U CN210599717U CN201921124180.9U CN201921124180U CN210599717U CN 210599717 U CN210599717 U CN 210599717U CN 201921124180 U CN201921124180 U CN 201921124180U CN 210599717 U CN210599717 U CN 210599717U
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Abstract
The utility model discloses a self-expansion friction steel pipe, which comprises an expansion pipe, an upper connecting pipe, a lower connecting pipe and a positioning piece; two ends of the expansion pipe extend into the upper connecting pipe and the lower connecting pipe respectively, and the expansion pipe expands to fix the upper connecting pipe and the lower connecting pipe; the lower connecting pipe is provided with a positioning block, one end of the expansion pipe, facing the lower expansion pipe, is provided with a conduction groove, the expansion pipe is provided with a sliding groove conducted with the conduction groove, and the positioning groove enters the sliding groove through the conduction groove; the setting element includes first semicircle ring and second semicircle ring, be provided with the lock subassembly that is used for fixing both between first semicircle ring and the second semicircle ring, first semicircle ring and second semicircle amalgamation form the internal diameter and are less than the ring of connecting pipe and connecting pipe bore down. Provided is a self-expanding frictional steel pipe which can be easily installed.
Description
Technical Field
The utility model relates to a steel pipe, more specifically the utility model relates to a self-expanding frictional steel pipe that says so.
Background
The steel pipe is a commonly used pipe structure, and there are many connection methods in the pipe structure, such as flange connection, welding, etc., but these connection methods are complicated and are not suitable for being performed in some special rings, so that chinese patent application No. 201621074209.3 in the prior art discloses a self-expanding friction type steel pipe connection structure, which includes: the self-expanding steel pipe comprises a circumferential restraining hoop, a reserved separating groove of the restraining hoop, a reserved bolt hole of the restraining hoop, a self-expanding steel pipe, a vertical through expansion joint of the self-expanding steel pipe, a connected steel pipe with a lining snap ring and a common steel pipe. Compare traditional steel pipe connected mode, the component can be used repeatedly many times, and connected mode is simple, utilizes the frictional force between self-expanding friction type steel pipe and the steel pipe, realizes being connected between steel pipe and the steel tubular construction.
However, the technical scheme of the patent needs to be screwed in by bolts, and the bolts need to be screwed out after the installation is finished, so that the process is complicated, not simple and convenient enough, and is not suitable for use in special environments.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide an install simple self-expanding frictional steel pipe.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a self-expanding friction steel pipe is provided,
comprises an expansion pipe, an upper connecting pipe, a lower connecting pipe and a positioning piece;
two ends of the expansion pipe extend into the upper connecting pipe and the lower connecting pipe respectively, and the expansion pipe expands to fix the upper connecting pipe and the lower connecting pipe;
the lower connecting pipe is provided with a positioning block, one end of the expansion pipe, facing the lower expansion pipe, is provided with a conduction groove, the expansion pipe is provided with a sliding groove conducted with the conduction groove, and the positioning block enters the sliding groove through the conduction groove;
the setting element includes first semicircle ring and second semicircle ring, be provided with the lock subassembly that is used for fixing both between first semicircle ring and the second semicircle ring, first semicircle ring and second semicircle amalgamation form the internal diameter and are less than the ring of connecting pipe and connecting pipe bore down.
As a further improvement of the utility model,
the hinge structure is characterized in that a hinge groove is formed in the first semicircular ring, a hinge block is arranged on the second semicircular ring and located in the hinge groove, a first hinge hole is formed in the hinge groove, a second hinge hole is formed in the hinge block, and a hinge shaft penetrates through the first hinge hole and the second hinge hole.
As a further improvement of the utility model,
the buckling assembly comprises a first connecting block arranged on the first semicircular ring, a second connecting block arranged on the second semicircular ring, and a buckling block used for buckling the first connecting block and the second connecting block, wherein the first connecting block is located at one end of the first semicircular ring, which is back to the hinge groove, the second connecting block is located at one end of the second semicircular ring, which is back to the hinge groove, a first groove is formed in the first connecting block, a second groove is formed in the second connecting block, the buckling block is rotatably connected in the first groove, a first buckling rod is arranged on the second groove, one end, which is back to the hinge groove, of the buckling block is connected in the first groove is provided with a first buckling groove, and the first buckling groove is used for being buckled with the first buckling rod.
As a further improvement of the utility model,
a first through hole is formed in the first groove, a second through hole is formed in the buckling block, and rotating shafts are connected into the first through hole and the second through hole at the same time.
As a further improvement of the utility model,
and a wrench is arranged in the direction of the buckling block back to the rotating shaft.
As a further improvement of the utility model,
the connecting structure is characterized in that a gap is formed between the upper connecting pipe and the lower connecting pipe, a hoop strip is arranged in the gap, positioning grooves are formed in two ends of the hoop strip, second buckling rods are arranged in the positioning grooves, two second buckling rods are buckled with fixing blocks at the same time, and second buckling grooves used for being embedded into the second buckling rods are formed in the fixing blocks.
The beneficial effects of the utility model, at first with the expansion pipe as for between first semicircle ring and the second semicircle ring, later with first semicircle ring and the mutual amalgamation of second semicircle ring, through the direct lock of lock subassembly, just so need not use the bolt, it is more convenient to use, the ring diameter that first semicircle ring and second semicircle ring form after peaceful is less than the pipe diameter of connecting pipe and lower connecting pipe, just can compress the expansion pipe this moment, make it can cup joint the both ends at the expansion pipe with lower connecting pipe to go up the connecting pipe, and can aim at the locating piece with the conduction groove in the time of lower connecting pipe, enter into the sliding groove after the locating piece enters into the conduction groove, through rotating the expansion pipe, can make the locating piece enter into the sliding groove, the positioning action has just so been realized, the expansion pipe can not take place the skew, make things convenient for follow-up work. And then the buckling mechanism is loosened after the sleeving is finished, the first semicircular ring and the second semicircular ring are loosened, the expansion pipe is expanded freely, the surface of the expansion pipe is a frosted surface, the friction force is increased, and the upper connecting pipe and the lower connecting pipe are fixed to play a role in connecting the upper connecting pipe and the lower connecting pipe.
Drawings
Fig. 1 is a schematic view of an installation completion structure according to an embodiment of the present invention;
fig. 2 is an exploded view of the installation completion structure of the embodiment of the present invention;
fig. 3 is a schematic structural view of a positioning block according to an embodiment of the present invention;
fig. 4 is a schematic view of a lower connection pipe structure according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an installation process according to an embodiment of the present invention;
fig. 6 is a schematic view of the matching structure of the upper connecting pipe and the lower connecting pipe of the embodiment of the present invention.
Reference numerals:
1. an expansion tube; 2. an upper connecting pipe; 3. a lower connecting pipe; 4. a positioning member; 5. positioning blocks; 6. a conduction groove; 7. a sliding groove; 8. a first semicircular ring; 9. a second semi-circular ring; 10. a hinge slot; 11. a hinged block; 12. a first hinge hole; 13. a second hinge hole; 14. hinging a shaft; 15. a first connection block; 16. a second connecting block; 17. buckling blocks; 18. a first groove; 19. a second groove; 20. a first buckling rod; 21. a first through hole; 22. a second through hole; 23. a rotating shaft; 24. a wrench; 25. a gap; 26. a hoop strip; 27. positioning a groove; 28. a second buckling rod; 29. a fixed block; 30. a second fastening groove.
Detailed Description
The present invention will be described in further detail with reference to embodiments shown in the drawings.
Referring to FIGS. 1 to 6, the present embodiment
A self-expanding friction steel pipe is provided,
comprises an expansion pipe 1, an upper connecting pipe 2, a lower connecting pipe 3 and a positioning piece 4;
two ends of the expansion pipe 1 respectively extend into the upper connecting pipe 2 and the lower connecting pipe 3, and the expansion pipe 1 expands to fix the upper connecting pipe 2 and the lower connecting pipe 3;
a positioning block 5 is arranged on the lower connecting pipe 3, a conduction groove 6 is arranged at one end, facing the lower expansion pipe 1, of the expansion pipe 1, a sliding groove 7 communicated with the conduction groove 6 is arranged on the expansion pipe 1, and the positioning block 5 enters the sliding groove 7 through the conduction groove 6;
the setting element 4 includes first semicircle ring 8 and second semicircle ring 9, be provided with between first semicircle ring 8 and the second semicircle ring 9 and be used for fixed lock subassembly between them, first semicircle ring 8 and second semicircle amalgamation form the ring that the internal diameter is less than connecting pipe 2 and 3 bores of connecting pipe down.
Through the technical scheme, firstly, the expansion pipe 1 is arranged between the first semicircular ring 8 and the second semicircular ring 9, then the first semicircular ring 8 and the second semicircular ring 9 are mutually spliced and directly buckled through the buckling component, so that bolts are not needed, the use is more convenient, the diameter of a ring formed by flattening the first semicircular ring 8 and the second semicircular ring 9 is smaller than the pipe diameters of the upper connecting pipe 2 and the lower connecting pipe 3, at the moment, the expansion pipe 1 can be compressed, the upper connecting pipe 2 and the lower connecting pipe 3 can be sleeved at two ends of the expansion pipe 1, the conduction groove 6 can be aligned to the positioning block 5 when the lower connecting pipe 3 is connected, the positioning block 5 enters the conduction groove 6 and then enters the sliding groove 7, the positioning block 5 can enter the sliding groove 7 by rotating the expansion pipe 1, so that the positioning function is realized, and the expansion pipe 1 can not deviate, the subsequent work is convenient. After the sleeve joint is completed, the buckling mechanism is loosened, the first semicircular ring 8 and the second semicircular ring 9 are loosened, the expansion pipe 1 is expanded freely, the surface of the expansion pipe 1 is a frosted surface, friction force is increased, and the upper connecting pipe 2 and the lower connecting pipe 3 are fixed to play a role in connecting the upper connecting pipe 2 and the lower connecting pipe 3.
As a specific embodiment of the improvement,
be provided with hinge groove 10 on the first semicircle ring 8, be provided with articulated piece 11 on the second semicircle ring 9, articulated piece 11 is located hinge groove 10, be provided with first hinge hole 12 in the hinge groove 10, be provided with second hinge hole 13 on the articulated piece 11, wear to be equipped with articulated shaft 14 in first hinge hole 12 and the second hinge hole 13.
Through above-mentioned technical scheme, through the cooperation of articulated groove 10 and articulated piece 11, articulated piece 11 stretches into articulated groove 10, later with articulated shaft 14 stretch into first articulated hole 12 and second articulated hole 13, just so realized the articulated of first semicircle ring 8 and second semicircle ring 9, it is more convenient when using like this.
As a specific embodiment of the improvement,
the buckling assembly comprises a first connecting block 15 arranged on the first semicircular ring 8, a second connecting block 16 arranged on the second semicircular ring 9 and a buckling block 17 used for buckling the first connecting block 15 and the second connecting block 16, wherein the first connecting block 15 is located at one end, opposite to the hinge groove 10, of the first semicircular ring 8, the second connecting block 16 is located at one end, opposite to the hinge groove 10, of the second semicircular ring 9, a first groove 18 is formed in the first connecting block 15, a second groove 19 is formed in the second connecting block 16, the buckling block 17 is rotatably connected into the first groove 18, a first buckling rod 20 is arranged on the second groove 19, and a first buckling groove is formed in one end, opposite to the rotatably connected into the first groove 18, of the buckling block 17 and used for being buckled with the first buckling rod 20.
Through above-mentioned technical scheme, lock piece 17 rotates to be connected in first recess 18, only needs to rotate lock piece 17 in the lock, with the first lock groove lock on lock piece 17 in first lock pole 20, can realize the fixed to first semicircle ring 8 and second semicircle ring 9, this kind of fixed mode is more convenient for the bolted connection to easily the equipment.
As a specific embodiment of the improvement,
a first through hole 21 is formed in the first groove 18, a second through hole 22 is formed in the buckling block 17, and a rotating shaft 23 is connected to the first through hole 21 and the second through hole 22 simultaneously.
Through the technical scheme, the rotating shaft 23 extends into the first through hole 21 and the second through hole 22, so that the rotating connection of the buckling block 17 is realized, and the connection mode is more convenient and simpler.
As a specific embodiment of the improvement,
a wrench 24 is arranged on the buckling block 17 in a direction opposite to the rotating shaft 23.
Through the technical scheme, the wrench 24 is arranged, so that a stressed fulcrum is arranged in the mounting and dismounting processes, and the wrench is more labor-saving.
As a specific embodiment of the improvement,
a gap 25 is formed between the upper connecting pipe 2 and the lower connecting pipe 3, a hoop strip 26 is arranged in the gap 25, positioning grooves 27 are formed in two ends of the hoop strip 26, second buckling rods 28 are arranged in the positioning grooves 27, two second buckling rods 28 are buckled with fixing blocks 29 at the same time, and second buckling grooves 30 for embedding the second buckling rods 28 are formed in the fixing blocks 29.
Through above-mentioned technical scheme, after loosening first semicircle ring 8 and second semicircle ring 9, sheatheeing in lath 26, lath 26 contradicts with last connecting pipe 2 and lower connecting pipe 3, later can realize fixing on two second lock posts 28 through the second lock groove 30 lock on the fixed block 29, and this kind of mode is comparatively simple easily to operate.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A self-expanding frictional steel pipe characterized in that:
comprises an expansion pipe (1), an upper connecting pipe (2), a lower connecting pipe (3) and a positioning piece (4);
two ends of the expansion pipe (1) respectively extend into the upper connecting pipe (2) and the lower connecting pipe (3), and the expansion pipe (1) is used for expanding and fixing the upper connecting pipe (2) and the lower connecting pipe (3);
a positioning block (5) is arranged on the lower connecting pipe (3), a conduction groove (6) is formed in one end, facing the lower expansion pipe (1), of the expansion pipe (1), a sliding groove (7) communicated with the conduction groove (6) is formed in the expansion pipe (1), and the positioning block (5) enters the sliding groove (7) through the conduction groove (6);
setting element (4) include first semicircle ring (8) and second semicircle ring (9), be provided with between first semicircle ring (8) and second semicircle ring (9) and be used for fixed lock subassembly between them, first semicircle ring (8) and second semicircle amalgamation form the ring that the internal diameter is less than connecting pipe (2) and connecting pipe (3) bore down.
2. A self-expanding frictional steel pipe as defined in claim 1, wherein:
be provided with hinge groove (10) on first semicircle ring (8), be provided with articulated piece (11) on second semicircle ring (9), articulated piece (11) are located hinge groove (10), be provided with first hinge hole (12) in hinge groove (10), be provided with second hinge hole (13) on articulated piece (11), wear to be equipped with articulated shaft (14) in first hinge hole (12) and second hinge hole (13).
3. A self-expanding frictional steel pipe as defined in claim 2, wherein:
the buckling assembly comprises a first connecting block (15) arranged on the first semicircular ring (8), a second connecting block (16) arranged on the second semicircular ring (9) and a buckling block (17) used for buckling the first connecting block (15) and the second connecting block (16), wherein the first connecting block (15) is positioned at one end of the first semicircular ring (8) back to the hinge groove (10), the second connecting block (16) is positioned at one end of the second semicircular ring (9) back to the hinge groove (10), a first groove (18) is formed in the first connecting block (15), a second groove (19) is formed in the second connecting block (16), the buckling block (17) is rotatably connected in the first groove (18), a first buckling rod (20) is arranged on the second groove (19), and a first buckling groove is formed in one end of the buckling block (17) back to the first groove (18), the first buckling groove is used for buckling with the first buckling rod (20).
4. A self-expanding frictional steel pipe as defined in claim 3, wherein:
a first through hole (21) is formed in the first groove (18), a second through hole (22) is formed in the buckling block (17), and a rotating shaft (23) is connected to the first through hole (21) and the second through hole (22) at the same time.
5. A self-expanding frictional steel pipe as defined in claim 4, wherein:
a wrench (24) is arranged on the buckling block (17) in a direction opposite to the rotating shaft (23).
6. A self-expanding frictional steel pipe as defined in claim 1, wherein:
go up between connecting pipe (2) and lower connecting pipe (3) clearance (25) have, set up in clearance (25) and hoop strip (26) again, hoop strip (26) both ends all are provided with constant head tank (27), be provided with second lock pole (28) in constant head tank (27), two the lock has fixed block (29) simultaneously on second lock pole (28), be provided with second lock groove (30) that are used for second lock pole (28) embedding on fixed block (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124180.9U CN210599717U (en) | 2019-07-17 | 2019-07-17 | Self-expansion friction steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124180.9U CN210599717U (en) | 2019-07-17 | 2019-07-17 | Self-expansion friction steel pipe |
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| Publication Number | Publication Date |
|---|---|
| CN210599717U true CN210599717U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921124180.9U Active CN210599717U (en) | 2019-07-17 | 2019-07-17 | Self-expansion friction steel pipe |
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| CN (1) | CN210599717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006556A (en) * | 2021-10-22 | 2023-04-25 | 苏州宝尊进出口贸易有限公司 | Split type column mechanism, mounting method and portal frame |
-
2019
- 2019-07-17 CN CN201921124180.9U patent/CN210599717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006556A (en) * | 2021-10-22 | 2023-04-25 | 苏州宝尊进出口贸易有限公司 | Split type column mechanism, mounting method and portal frame |
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