CN216344435U - High-efficiency double-layer stainless steel pipe with high toughness - Google Patents
High-efficiency double-layer stainless steel pipe with high toughness Download PDFInfo
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- CN216344435U CN216344435U CN202122744791.7U CN202122744791U CN216344435U CN 216344435 U CN216344435 U CN 216344435U CN 202122744791 U CN202122744791 U CN 202122744791U CN 216344435 U CN216344435 U CN 216344435U
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Abstract
The utility model provides a high-efficiency double-layer stainless steel pipe with stronger toughness, which relates to the technical field of steel pipes and comprises an outer layer pipe and an inner layer pipe, wherein the inner wall of the outer layer pipe is fixedly connected with a plurality of outer connecting blocks, the outer side of the inner layer pipe body is fixedly connected with a plurality of first inner connecting blocks corresponding to the outer connecting blocks, the outer layer pipe is sleeved outside the inner layer pipe body, the outer connecting blocks are correspondingly clamped with the first inner connecting blocks, the two pipe bodies are connected through a connecting assembly, the connecting assembly comprises a threaded connecting pipe and an annular connecting block, the annular connecting block is positioned in the middle of the threaded connecting pipe, the outer peripheral surfaces of two sides of the annular connecting block are respectively and rotatably connected with rotating rings, the outer peripheral surfaces of the rotating rings are fixedly connected with a plurality of second inner connecting blocks, and the outer connecting blocks in the outer layer pipe and the inner layer pipe are mutually supported with the first inner connecting blocks through the outer connecting blocks arranged in the outer layer pipe and the inner layer pipe, so that the strength of the inner layer pipe and the outer layer pipe are improved, avoiding the deformation or the rupture of the pipeline.
Description
Technical Field
The utility model relates to the technical field of steel pipes, in particular to a high-efficiency double-layer stainless steel pipe with high toughness.
Background
In the use process of the steel pipe, flanges are welded at two end parts of the steel pipe, and then the flanges are connected through bolts, for example, a seamless steel pipe provided by the patent with the application number of cn201921447115.x comprises the seamless steel pipe and a flange connecting piece, wherein an installation wall is arranged on the inner wall at the port part of the seamless steel pipe, the flange connecting piece is connected to the installation wall of the seamless steel pipe, and the flange connecting piece comprises a connecting pipe end, a flange, a ceramic sealing ring and a sealing elastic sheet. According to the technical scheme, the connecting pipe end in the flange connecting piece is fixedly connected with the mounting wall arranged at the port part of the seamless steel pipe through threads, the connecting pipe end is limited through the pair of limiting screws, the connecting pipe end is prevented from being twisted and loosened, the flange connecting piece is fixed simply and quickly, the flange connecting piece is convenient to replace, and when the flanges arranged at the end parts of the two seamless steel pipes are connected through threads, the sealing elastic pieces arranged between the two flanges effectively improve the sealing effect.
However, in the above technical solutions, during the connection and use of the steel pipes, the problem of deformation or rupture of the pipes may occur due to insufficient toughness of the steel pipes, and the heat preservation performance of the single-layer steel pipe is not good when transporting fluid, so we improve this problem and propose a high-efficiency double-layer stainless steel pipe with strong toughness.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a high-efficiency double-layer stainless steel pipe with high toughness, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a high-efficiency double-layer stainless steel pipe with high toughness comprises an outer layer pipe and an inner layer pipe which form a pipeline body, wherein the inner wall of the outer layer pipe is fixedly connected with a plurality of outer connecting blocks, one end of the inner wall of the inner layer pipe body is provided with a thread groove, the outer side of the inner layer pipe body is fixedly connected with a plurality of first inner connecting blocks corresponding to the outer connecting blocks, the outer layer pipe is sleeved outside the inner layer pipe body, the outer connecting blocks are correspondingly clamped with the first inner connecting blocks, the two pipeline bodies are connected through a connecting assembly, the connecting assembly comprises a thread connecting pipe and an annular connecting block, the annular connecting block and the thread connecting pipe are integrated, the annular connecting block is positioned in the middle of the thread connecting pipe, the outer peripheral surfaces of two sides of the annular connecting block are respectively and rotatably connected with a rotating ring, the outer peripheral surface of the rotating ring is fixedly connected with a plurality of second inner connecting blocks, and the second inner connecting blocks are respectively laminated with one end of the first inner connecting block and correspondingly and alternately connected with the outer connecting blocks, the outer peripheral face of the annular connecting block is sleeved with a sealing ring, and a first sealing block and a second sealing block are arranged on the outer peripheral face of the sealing ring.
Preferably, guide grooves are formed in two sides of the plurality of outer connecting blocks respectively, and the two sides of the plurality of first inner connecting blocks and the two sides of the second inner connecting blocks are fixedly connected with guide blocks corresponding to the guide grooves respectively.
As preferred, the movable groove has been seted up respectively to annular connecting block both sides, the second in-connection piece is close to one side fixedly connected with solid fixed ring of annular connecting block, gu fixed ring rotates to be connected inside the movable groove.
Preferably, the inner walls of the first sealing block and the second sealing block correspond to the radius of the outer peripheral surface of the outer layer pipe respectively, and the first sealing block and the second sealing block are fixed through bolts.
Preferably, a limiting groove is formed in one end, close to the annular connecting block, of the outer-layer pipe, a limiting ring corresponding to the limiting groove is arranged on the inner wall of one end, far away from the sealing ring, of the first sealing block and the inner wall of one end, far away from the sealing ring, of the second sealing block, and the limiting ring is fixed inside the limiting groove through bolts.
Preferably, two sides of the sealing ring are respectively and tightly propped against the outer layer pipes on two sides.
Preferably, both ends of the threaded connecting pipe are respectively in threaded connection with the thread grooves on both sides.
Compared with the prior art, the utility model has the following beneficial effects:
(1) by arranging the outer layer pipe and the inner layer pipe, and arranging the corresponding outer connecting block and the first inner connecting block between the two layers of pipelines, the two connecting blocks are in a trapezoidal table shape, when the outer layer pipe is under certain pressure, the outer connecting block and the first inner connecting block are mutually supported, so that the strength of the inner layer pipeline and the outer layer pipeline is improved, and the pipeline is prevented from being deformed or broken;
(2) through set up swivel becket and second in-connection piece outside annular connecting block, can make when connecting, between a plurality of second in-connection piece interlude outer joint piece, thereby improve the area of contact between coupling assembling and the pipeline body, improve the intensity of inlayer pipe kneck, through set up sealing ring and two sealed pieces that offset with the outer pipe in both sides outside annular connecting block, can improve the leakproofness of pipe connection, improve the intensity of outer pipe kneck simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of a high-efficiency double-layer stainless steel tube with high toughness according to the present invention;
FIG. 2 is a schematic diagram of a front view of a high-efficiency double-layer stainless steel tube with high toughness according to the present invention;
FIG. 3 is a schematic view of the cross-section A-A of the high-efficiency double-layer stainless steel tube with high toughness according to the present invention;
FIG. 4 is an enlarged view of the structure at C in FIG. 3 of the high-efficiency double-layered stainless steel pipe with high toughness according to the present invention;
FIG. 5 is an exploded view of the structure of a high-efficiency double-layer stainless steel tube with high toughness according to the present invention;
FIG. 6 is an enlarged view of the structure B in FIG. 5 of a high-efficiency double-layered stainless steel pipe with high toughness according to the present invention.
In the figure: 1. a pipe body; 101. an outer tube; 102. an inner layer tube; 103. a limiting groove; 104. an outer connecting block; 105. a first inner connection block; 106. a thread groove; 2. a connecting assembly; 201. a threaded connection pipe; 202. an annular connecting block; 203. a movable groove; 204. a rotating ring; 205. a second inner connection block; 206. a fixing ring; 3. a first seal block; 4. a second seal block; 5. a seal ring; 6. a limit ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-6, a high-efficiency double-layer stainless steel pipe with high toughness comprises an outer pipe 101 and an inner pipe 102 which form a pipe body 1, wherein the inner wall of the outer pipe 101 is fixedly connected with a plurality of outer connecting blocks 104, one end of the inner wall of the pipe body of the inner pipe 102 is provided with a thread groove 106, the outer part of the pipe body of the inner pipe 102 is fixedly connected with a plurality of first inner connecting blocks 105 corresponding to the outer connecting blocks 104, the outer pipe 101 is sleeved outside the pipe body of the inner pipe 102, the outer connecting blocks 104 are correspondingly clamped with the first inner connecting blocks 105, the two pipe bodies 1 are connected with each other through a connecting assembly 2, the connecting assembly 2 comprises a threaded connecting pipe 201 and an annular connecting block 202, the annular connecting block 202 and the threaded connecting pipe 201 are integrated, the annular connecting block 202 is positioned in the middle of the threaded connecting pipe 201, the outer peripheral surfaces of two sides of the annular connecting block 202 are respectively rotatably connected with a rotating ring 204, the outer peripheral surface of the rotating ring 204 is fixedly connected with a plurality of second inner connecting blocks 205, the second inner connecting blocks 205 on two sides are respectively attached to one end of the first inner connecting block 105 and correspondingly inserted into the outer connecting block 104, the sealing ring 5 is sleeved on the outer peripheral surface of the annular connecting block 202, and the first sealing block 3 and the second sealing block 4 are arranged on the outer peripheral surface of the sealing ring 5.
Through the technical scheme, by arranging the outer layer pipe 101 and the inner layer pipe 102, arranging the corresponding outer connecting block 104 and the first inner connecting block 105 between the two layers of pipes, wherein the two connecting blocks are in a trapezoidal table shape, when the outer layer pipe 101 is under a certain pressure, the outer connecting block 104 and the first inner connecting block 105 are mutually supported, so that the strength of the inner and outer pipes is improved, and the condition that the pipes are deformed or cracked is avoided, through arranging the rotating ring 204 and the second inner connecting block 205 outside the annular connecting block 202, when in connection, a plurality of second inner connecting blocks 205 are inserted between the outer connecting blocks 104, so that the contact area between the connecting assembly 2 and the pipe body 1 is improved, the strength of the interface of the inner layer pipe 102 is improved, through arranging the sealing ring 5 and the two sealing blocks which are abutted against the outer layer pipes 101 on two sides outside the annular connecting block 202, the sealing performance of pipe connection can be improved, while increasing the strength at the interface of the outer tube 101.
In this embodiment, the guide way has been seted up respectively to a plurality of outer connecting block 104 both sides, a plurality of first in connecting block 105 and second in connecting block 205 both sides difference fixedly connected with and the guide block that the guide way corresponds, when specifically setting up, weld between first in connecting block 105 and the outer connecting block 104, through setting up guide way and guide block, can be convenient for alternate inner tube 102 and outer pipe 101 and connect, avoid first in connecting block 105 and outer connecting block 104 wearing and tearing when being connected, influence the welding effect.
In this embodiment, movable groove 203 has been seted up respectively to annular connecting block 202 both sides, the second in-connection piece 205 is close to the solid fixed ring 206 of one side fixedly connected with of annular connecting block 202, gu fixed ring 206 rotates to be connected inside movable groove 203, gu fixed ring 206 is used for fixing a plurality of second in-connection pieces 205, when second in-connection piece 205 alternates inside outer connecting block 104 and along with pipeline body 1 takes place to rotate, second in-connection piece 205 drives swivel ring 204 and gu fixed ring 206 takes place to rotate, until inner pipe 102 supports in annular connecting block 202 one side.
In this embodiment, the inner walls of the first seal block 3 and the second seal block 4 correspond to the radius of the outer peripheral surface of the outer pipe 101, and the first seal block 3 and the second seal block 4 are fixed by bolts.
In this embodiment, the limiting groove 103 has been seted up to the one end pipe shaft that outer pipe 101 is close to annular connecting block 202, and the one end inner wall that sealing ring 5 was kept away from to first sealed piece 3 and second sealed piece 4 is provided with the spacing ring 6 that corresponds with the limiting groove 103, and the spacing ring 6 passes through the bolt fastening inside the limiting groove 103.
When specifically setting up, after two inlayer pipes 102 are connected with threaded connection pipe 201, place corresponding spacing groove 103 respectively and through the screw fixation with the inside spacing ring 6 of two first sealed pieces 3 and second sealed piece 4 in proper order, then it is fixed with first sealed piece 3 and second sealed piece 4 through the screw, through setting up two sealed pieces, can fix sealing ring 5, also further strengthened the intensity of pipe connection department simultaneously.
In this embodiment, the two sides of the sealing ring 5 are respectively pressed by the two outer layer pipes 101.
In this embodiment, both ends of the threaded connection pipe 201 are respectively threaded with the thread grooves 106 on both sides.
The working principle of the high-efficiency double-layer stainless steel pipe with stronger toughness is as follows:
during the use, with threaded connection pipe 201 one end and thread groove 106 threaded connection, in the connection process, it is fixed to rotate second in-connection piece 205 to the position department that corresponds with outer connecting block 104, then rotate threaded connection pipe 201 to inside inner tube 102, loosen second in-connection piece 205 when second in-connection piece 205 gets into outer connecting block 104 inside, then embolia sealing ring 5 from the threaded connection pipe 201 other end, and make it support at annular connecting block 202 periphery, then be connected inner tube 102 and threaded connection pipe 201 of opposite side, then place the spacing ring 6 of two first seal blocks 3 and the inside second seal block 4 respectively in corresponding spacing groove 103 and through the screw fixation, then fix first seal block 3 and second seal block 4 through the screw.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a high-efficient double-deck stainless steel pipe that toughness is stronger, includes outer pipe (101) and inlayer pipe (102) that constitute pipeline body (1), its characterized in that: the outer pipe (101) inner wall is fixedly connected with a plurality of outer connecting blocks (104), a thread groove (106) is formed in one end of the inner pipe body inner wall of the inner pipe (102), the inner pipe body (102) is fixedly connected with a plurality of first inner connecting blocks (105) corresponding to the outer connecting blocks (104), the outer pipe (101) is sleeved outside the inner pipe body (102), the outer connecting blocks (104) are correspondingly clamped with the first inner connecting blocks (105), two pipeline bodies (1) are connected through a connecting assembly (2), the connecting assembly (2) comprises a threaded connecting pipe (201) and an annular connecting block (202), the annular connecting block (202) and the threaded connecting pipe (201) are integrated, the annular connecting block (202) is located in the middle of the threaded connecting pipe (201), and the outer peripheral faces of two sides of the annular connecting block (202) are respectively and rotatably connected with a rotating ring (204), the utility model discloses a sealing ring, including swivel ring (204), second in-connection piece (205), both sides a plurality of second in-connection piece (205) of swivel ring (204) outer peripheral face fixedly connected with correspond with first in-connection piece (105) one end laminating respectively and with outer connecting block (104) and alternate and be connected, annular connecting block (202) outer peripheral face cover is equipped with sealing ring (5), sealing ring (5) outer peripheral face is provided with first sealed piece (3) and second sealed piece (4).
2. The high-efficiency double-layer stainless steel pipe with stronger toughness of claim 1, which is characterized in that: guide grooves are formed in two sides of the plurality of outer connecting blocks (104) respectively, and the two sides of the plurality of first inner connecting blocks (105) and the two sides of the second inner connecting blocks (205) are fixedly connected with guide blocks corresponding to the guide grooves respectively.
3. The high-efficiency double-layer stainless steel pipe with stronger toughness of claim 1, which is characterized in that: activity groove (203) have been seted up respectively to annular connecting block (202) both sides, second in connecting block (205) are close to one side fixedly connected with solid fixed ring (206) of annular connecting block (202), gu fixed ring (206) rotate to be connected inside activity groove (203).
4. The high-efficiency double-layer stainless steel pipe with stronger toughness of claim 1, which is characterized in that: the inner walls of the first sealing block (3) and the second sealing block (4) correspond to the radius of the outer peripheral surface of the outer layer pipe (101) respectively, and the first sealing block (3) and the second sealing block (4) are fixed through bolts.
5. The high-efficiency double-layer stainless steel pipe with stronger toughness of claim 1, which is characterized in that: limiting grooves (103) are formed in one end pipe body, close to the annular connecting block (202), of the outer layer pipe (101), limiting rings (6) corresponding to the limiting grooves (103) are arranged on the inner wall, away from the sealing ring (5), of one end of the first sealing block (3) and the second sealing block (4), and the limiting rings (6) are fixed inside the limiting grooves (103) through bolts.
6. The high-efficiency double-layer stainless steel pipe with stronger toughness of claim 1, which is characterized in that: two sides of the sealing ring (5) are respectively and tightly propped against the outer layer pipes (101) on two sides.
7. The high-efficiency double-layer stainless steel pipe with stronger toughness of claim 1, which is characterized in that: two ends of the threaded connecting pipe (201) are respectively in threaded connection with the thread grooves (106) on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122744791.7U CN216344435U (en) | 2021-11-10 | 2021-11-10 | High-efficiency double-layer stainless steel pipe with high toughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122744791.7U CN216344435U (en) | 2021-11-10 | 2021-11-10 | High-efficiency double-layer stainless steel pipe with high toughness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344435U true CN216344435U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122744791.7U Active CN216344435U (en) | 2021-11-10 | 2021-11-10 | High-efficiency double-layer stainless steel pipe with high toughness |
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|---|---|
| CN (1) | CN216344435U (en) |
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- 2021-11-10 CN CN202122744791.7U patent/CN216344435U/en active Active
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