CN220268737U - Seamless pipe capable of preventing connection from falling off - Google Patents

Seamless pipe capable of preventing connection from falling off Download PDF

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Publication number
CN220268737U
CN220268737U CN202321755131.1U CN202321755131U CN220268737U CN 220268737 U CN220268737 U CN 220268737U CN 202321755131 U CN202321755131 U CN 202321755131U CN 220268737 U CN220268737 U CN 220268737U
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China
Prior art keywords
flange
steel pipe
welding
inclined plane
side face
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CN202321755131.1U
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Chinese (zh)
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朱姚伟
韩中举
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Zhejiang Bozhong Stainless Steel Co ltd
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Zhejiang Bozhong Stainless Steel Co ltd
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Abstract

The utility model discloses a seamless pipe capable of preventing connection from falling off, and belongs to the technical field of stainless steel seamless pipes. The welding device comprises a steel pipe, wherein a first inclined plane is formed in the left side face of the steel pipe, the first inclined plane is easy to build up and fill during welding, a welded connection face is increased, welding strength is increased, and a fixing ring is fixedly connected to the left side face of the steel pipe. When the device is used, the steel pipe drives the fixed ring to be inserted into the flange, the guide rail plays a role in positioning, then the guide rail passes through the stepped hole at the bottom of the annular groove on the left side surface of the flange through the bolt and is fixed with the steel pipe through threads, meanwhile, the first inclined surface of the steel pipe and the second inclined surface of the flange form an annular groove, so that build-up welding is facilitated, welding is firmer, and the device can position the steel pipe and the flange without auxiliary tools when welding according to requirements, so that the welding of the steel pipe and the flange is more convenient.

Description

Seamless pipe capable of preventing connection from falling off
Technical Field
The utility model relates to a seamless pipe capable of preventing connection from falling off, and belongs to the technical field of stainless steel seamless pipes.
Background
The seamless steel pipe is formed by perforating a whole round steel, and the steel pipe with no weld seam on the surface is called as a seamless steel pipe. The seamless steel pipe may be classified into a hot rolled seamless steel pipe, a cold drawn seamless steel pipe, an extruded seamless steel pipe, a push pipe, etc., according to the production method. The seamless steel pipe is divided into two types of round and special-shaped steel pipes according to the sectional shape, and the special-shaped steel pipe is in various complex shapes such as square, elliptic, triangular, hexagonal, melon seed-shaped, star-shaped and finned pipes.
In the use of seamless steel pipe, the most common is seamless steel pipe and flange welding, but when steel pipe and flange welding, in order to guarantee that steel pipe and flange mutually perpendicular, in order to make the terminal surface of steel pipe and the surface contact of flange inseparable for the welding, generally all need use extra apparatus to carry out the location operation to flange and seamless steel pipe, can make the welding process of seamless pipe comparatively inconvenient like this, the seamless pipe after the welding can appear rust and drop in long-term use, thereby the condition that the fracture drops appears in the seamless steel pipe of making.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the seamless pipe capable of preventing connection from falling off solves the problems that in the prior art, a seamless steel pipe is inconvenient to operate when welded with a flange, and a joint is easy to crack and fall off.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme:
the utility model provides an anti-connection drop's seamless pipe, includes the steel pipe, inclined plane one has been seted up to the left surface of steel pipe, and the setting of inclined plane one is for easy build-up welding packing when welding, increases welded joint face, increases welded strength, the left surface fixedly connected with solid fixed ring of steel pipe, every the equal threaded connection of left surface of solid fixed ring has the bolt of equidistance arrangement, the surface fixedly connected with guide rail of solid fixed ring equidistance arrangement.
Through adopting above-mentioned technical scheme, the solid fixed ring passes through the flange through the bolt to be fixed for when steel pipe and flange weld, need not use auxiliary machinery to fix, be convenient for weld, be convenient for the location of steel pipe and flange.
The utility model is further provided with: the outer surface joint of solid fixed ring has the flange, the holding hole that the equidistance was arranged has been seted up to the inside wall of flange, the inside of flange all with every guide rail sliding connection, the spout that corresponds with the guide rail has been seted up to the inside of flange.
Through adopting above-mentioned technical scheme, the internal diameter of flange and the internal diameter butt joint intercommunication of solid fixed ring, when welding the steel pipe, drive the flange through the steel pipe and insert the inside of flange, make every guide rail correspond with the spout that the flange corresponds simultaneously for every guide rail slides the inside of every spout of flange.
The utility model is further provided with: the flange is through the equal fixedly connected with spring of the interior diapire of every accommodation hole, every the equal fixedly connected with bayonet lock of one end that the spring is close to each other, the inclined plane has been seted up to the bottom surface of bayonet lock.
Through adopting above-mentioned technical scheme, the bayonet lock is the outside that stretches out the flange under normal condition, when needs welding for the steel pipe drives the fixed ring and inserts the inside of flange, and the fixed ring makes the bayonet lock shrink into the inside of the accommodation hole of flange through contradicting the inclined plane, and compresses the spring simultaneously.
The utility model is further provided with: the outer surface of the fixed ring is provided with jacks which are arranged at equal intervals, and the fixed ring is sleeved with corresponding bayonet locks through each jack.
Through adopting above-mentioned technical scheme, when fixed ring inserts certain distance to the inside of flange, every bayonet lock aligns with the jack that fixed ring corresponds, and the bayonet lock outwards stretches out and enters into the inside of jack under the effect of spring this moment.
The utility model is further provided with: the right side face of the flange is provided with a second inclined plane, and the second inclined plane and the first inclined plane form an annular groove together.
Through adopting above-mentioned technical scheme, when every bayonet lock inserts corresponding jack, the annular slot of inclined plane two of flange and steel pipe's inclined plane one constitution at this moment, during the welding, full with the slot build-up welding can.
The utility model is further provided with: the left side face of the flange is provided with a ring groove, and the inner side wall of the ring groove is clamped with a sealing ring.
Through adopting above-mentioned technical scheme, the effect of annular is that guarantee watertight when flange and other flange butt joint are fixed for the installation watertight between flange and the other flange is guaranteed to the sealed order of installing through the internally mounted at the annular.
The utility model is further provided with: the flange is provided with equidistant ladder holes through the inner bottom wall of the ring groove, the flange is sleeved with corresponding bolts through the inner side wall of each ladder hole, and the left side face of each bolt is flush with the inner bottom wall of the ring groove.
Through adopting above-mentioned technical scheme, when the inside of steel pipe inserted flange, and when every bayonet lock all inserts the inside of every jack, then pass the shoulder hole and the solid fixed ring thread tightening of annular bottom through the bolt, avoided the connection welding seam between steel pipe and the flange to appear corrosion in long-term use and drop and lead to the easy condition that appears connecting drop of steel pipe.
The beneficial effects of the utility model are as follows:
1. when the device is used, firstly, the steel pipe drives the fixed ring to be inserted into the flange, the guide rail plays a role in positioning, then the guide rail passes through a stepped hole at the bottom of the annular groove on the left side surface of the flange through the bolt and is fixed with the steel pipe through threads, meanwhile, an annular groove is formed by the inclined plane I of the steel pipe and the inclined plane II of the flange, so that the welding is firmer, and the device can position the steel pipe and the flange without auxiliary tools when the steel pipe and the flange are welded according to the requirement, so that the welding of the steel pipe and the flange is more convenient;
2. according to the utility model, the steel pipe, the flange, the fixing ring, the bolts and the guide rail are arranged, when the flange is used, the fixing ring is inserted into the flange, the guide rail plays a role in positioning, the flange and the steel pipe are fixed through the bolts, so that the welding is convenient, and the condition that the steel pipe and the flange are connected and fall off due to modification and fall off in the long-term use process of the connecting weld joint of the steel pipe and the flange is avoided.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model.
Fig. 2 is a schematic elevational view of the present utility model.
Fig. 3 is a schematic view of the three-dimensional structure of the flange of the present utility model.
Fig. 4 is a schematic view of the three-dimensional structure of the bayonet of the present utility model.
Fig. 5 is a schematic view of the internal structure of the flange of the present utility model.
In the figure: 1. a steel pipe; 2. a flange; 3. a second inclined plane; 4. sealing; 5. a spring; 6. a bayonet lock; 7. a guide rail; 8. a jack; 9. a fixing ring; 10. a bolt; 11. a ring groove; 12. a receiving hole; 13. and a first inclined plane.
Detailed Description
The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, the seamless pipe capable of preventing connection from falling comprises a steel pipe 1, wherein a first inclined surface 13 is formed in the left side surface of the steel pipe 1, the first inclined surface 13 is arranged for easy build-up welding and filling during welding, a welded connection surface is increased, welding strength is increased, a fixing ring 9 is fixedly connected to the left side surface of the steel pipe 1, bolts 10 which are equidistantly arranged are in threaded connection with the left side surface of each fixing ring 9, and guide rails 7 which are equidistantly arranged are fixedly connected to the outer surface of the fixing ring 9.
The surface joint of solid fixed ring 9 has flange 2, and the holding hole 12 that the equidistance was arranged has been seted up to flange 2's inside wall, and the inside of flange 2 all with every guide rail 7 sliding connection, the spout that corresponds with guide rail 7 has been seted up to flange 2's inside, and flange 2's internal diameter and solid fixed ring 9's internal diameter butt joint intercommunication when welding steel pipe 1, drive flange 2 through steel pipe 1 and insert flange 2's inside for every guide rail 7 corresponds with the spout that flange 2 corresponds simultaneously for every guide rail 7 slides into flange 2's inside of every spout.
The fixing ring 9 penetrates through the flange 2 through the bolts 10, so that when the steel pipe 1 and the flange 2 are welded, auxiliary machinery is not required to be used for fixing, welding is convenient, and positioning of the steel pipe 1 and the flange 2 is convenient.
The flange 2 is through the equal fixedly connected with spring 5 of the interior diapire of every accommodation hole 12, the equal fixedly connected with bayonet lock 6 of the one end that every spring 5 is close to each other, the inclined plane has been seted up to the bottom surface of bayonet lock 6, the outside of flange 2 is stretched out to bayonet lock 6 under normal condition, when needs welding for steel pipe 1 drives solid fixed ring 9 and inserts the inside of flange 2, gu fixed ring 9 makes bayonet lock 6 shrink into the inside of accommodation hole 12 of flange 2 through contradicting the inclined plane, and compress spring 5 simultaneously.
The jack 8 that the equidistance was arranged has been seted up to the surface of solid fixed ring 9, and gu fixed ring 9 all overlaps with corresponding bayonet lock 6 through every jack 8 and establishes, and when gu fixed ring 9 inserts certain distance to the inside of flange 2, every bayonet lock 6 aligns with jack 8 that gu fixed ring 9 corresponds, and bayonet lock 6 outwards stretches out and enters into the inside of jack 8 under the effect of spring 5 this moment.
The right side of flange 2 has been seted up inclined plane two 3, an annular slot is constituteed jointly to inclined plane two 3 and inclined plane one 13, when every bayonet lock 6 inserts corresponding jack 8, the annular slot of inclined plane two 3 and the inclined plane one 13 of steel pipe 1 of flange 2 at this moment, during the welding, the slot build up welding can, annular groove 11 has been seted up to the left surface of flange 2, annular groove 11's inside wall joint has sealed order 4, annular groove 11's effect is flange 2 and other flange 2 guarantee watertight when butt joint is fixed, through at annular groove 11's internally mounted sealing order 4 for sealed order 4 guarantees the installation watertight between flange 2 and the other flange 2.
The flange 2 has offered the step hole that equidistance was arranged through the interior bottom wall of annular 11, flange 2 all overlaps with corresponding bolt 10 through the inside wall in every step hole and establishes, the left surface of every bolt 10 all is parallel and level mutually with the interior bottom wall of annular 11, when steel pipe 1 inserts the inside of flange 2, and when every bayonet lock 6 all inserts the inside of every jack 8, then pass the step hole and the solid fixed ring 9 thread tightening of annular 11 bottom through bolt 10, the condition that the corrosion drops and leads to steel pipe 1 to appear easily in the long-term use of the connectivity welding seam between steel pipe 1 and the flange 2 has been avoided.
The implementation principle of the utility model is as follows: when the steel pipe 1 and the flange 2 are welded, the fixing ring 9 is inserted into the flange 2, the bayonet lock 6 is pushed in the inserting process to enable the bayonet lock 6 to retract into the accommodating hole 12, after the fixing ring 9 is inserted in place, the bayonet lock 6 is aligned with the inserting hole 8, the bayonet lock 6 is pushed out into the inserting hole 8 under the action of the spring 5, then the bolt 10 penetrates through the stepped hole of the flange 2 to be fixed with the fixing ring 9 in a threaded manner, then the annular groove formed by the inclined plane I13 and the inclined plane II 3 is subjected to overlaying, the steel pipe 1 and the flange 2 are connected together, the two connecting ends are in an aligned state, an operator can directly weld the connecting surfaces of the steel pipe 1 and the flange 2 at the moment, and therefore auxiliary positioning is not needed, and the welding process of the seamless pipe is simpler and more convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a seamless pipe of anti-connection drop, includes steel pipe (1), its characterized in that: the steel pipe is characterized in that an inclined plane I (13) is formed in the left side face of the steel pipe (1), a fixing ring (9) is fixedly connected to the left side face of the steel pipe (1), bolts (10) which are arranged at equal intervals are connected to the left side face of each fixing ring (9) in a threaded mode, and guide rails (7) which are arranged at equal intervals are fixedly connected to the outer surface of each fixing ring (9).
2. The connection-release preventing seamless pipe according to claim 1, wherein: the outer surface joint of solid fixed ring (9) has flange (2), holding hole (12) that the equidistance was arranged are seted up to the inside wall of flange (2), the inside of flange (2) all with every guide rail (7) sliding connection.
3. The connection-release preventing seamless pipe according to claim 2, wherein: the flange (2) is fixedly connected with springs (5) through the inner bottom wall of each containing hole (12), and one end, close to each other, of each spring (5) is fixedly connected with a clamping pin (6).
4. A seamless tube according to claim 3, wherein the tube is a pipe with a seam between the two ends of the tube: the outer surface of the fixed ring (9) is provided with jacks (8) which are arranged at equal intervals, and the fixed ring (9) is sleeved with the corresponding bayonet lock (6) through each jack (8).
5. The connection-release preventing seamless pipe according to claim 2, wherein: the right side face of the flange (2) is provided with a second inclined plane (3), and the second inclined plane (3) and the first inclined plane (13) form an annular groove together.
6. The joint-release preventing seamless pipe according to claim 5, wherein: the left side face of the flange (2) is provided with a ring groove (11), and the inner side wall of the ring groove (11) is clamped with a sealing ring (4).
7. The connection-release preventing seamless tube according to claim 6, wherein: the flange (2) is provided with step holes which are arranged at equal intervals through the inner bottom wall of the annular groove (11), the flange (2) is sleeved with corresponding bolts (10) through the inner side wall of each step hole, and the left side face of each bolt (10) is flush with the inner bottom wall of the annular groove (11).
CN202321755131.1U 2023-07-06 2023-07-06 Seamless pipe capable of preventing connection from falling off Active CN220268737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321755131.1U CN220268737U (en) 2023-07-06 2023-07-06 Seamless pipe capable of preventing connection from falling off

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321755131.1U CN220268737U (en) 2023-07-06 2023-07-06 Seamless pipe capable of preventing connection from falling off

Publications (1)

Publication Number Publication Date
CN220268737U true CN220268737U (en) 2023-12-29

Family

ID=89300779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321755131.1U Active CN220268737U (en) 2023-07-06 2023-07-06 Seamless pipe capable of preventing connection from falling off

Country Status (1)

Country Link
CN (1) CN220268737U (en)

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