CN221034447U - Multilayer sleeve-joint type stainless steel pipe - Google Patents
Multilayer sleeve-joint type stainless steel pipe Download PDFInfo
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- CN221034447U CN221034447U CN202322709643.0U CN202322709643U CN221034447U CN 221034447 U CN221034447 U CN 221034447U CN 202322709643 U CN202322709643 U CN 202322709643U CN 221034447 U CN221034447 U CN 221034447U
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- rod
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 29
- 239000010935 stainless steel Substances 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 43
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000003044 adaptive effect Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides a multilayer sleeved stainless steel pipe, which relates to the technical field of stainless steel pipes and comprises a main pipe and a secondary pipe, wherein the lower end of the main pipe is used for being inserted into the secondary pipe; a sliding groove is formed in the outer sleeve at one side of the clamping groove, and a sliding block is movably arranged in the sliding groove; according to the utility model, the lower end of the main pipe is inserted into the secondary pipe for connection, the convex rod is pushed into the clamping groove in the inserting process, the positioning rod is shifted to retract the limiting rod, the outer sleeve is rotated to clamp the convex rod into one side of the inner part of the clamping groove, the positioning rod is loosened to reset the limiting rod to limit the convex rod, and the fixing and the dismounting are convenient, and do not need additional tools.
Description
Technical Field
The utility model relates to the technical field of stainless steel pipes, in particular to a multilayer sleeved stainless steel pipe.
Background
Stainless steel is short for stainless acid-resistant steel, is steel with stainless and corrosion resistance as main characteristics, the chromium content is at least 10.5%, and the carbon content is at most 1.2%, and the stainless steel pipe is a hollow strip which is used for circular steel made of stainless steel and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like, and in addition, when the bending and torsional strength are the same, the weight is lighter, the stainless steel pipe is widely used for manufacturing mechanical parts and engineering structures, and is also commonly used for furniture and kitchen ware and the like;
When the miniature direct current double-cylinder piston pump of present is used, need carry out welded connection with the stainless steel pipe, because carry out the welding and probably lead to the leakproofness not enough, will appear the crack for a long time of use, need maintain and all need professional to weld under most circumstances, limited the availability factor of stainless steel pipe, among the prior art, like authority bulletin number CN 218719486U discloses "a multilayer cup joint type stainless steel pipe", and specifically disclosed: the main stainless steel pipe and the auxiliary stainless steel pipe are clamped together completely through extrusion between the lower end of the main stainless steel pipe and the supporting column, and the sealing connection of the main stainless steel pipe and the auxiliary stainless steel pipe is ensured secondarily through clamping of the fixing ring and the annular groove.
Disclosure of utility model
In order to solve the problems, the utility model provides a multi-layer sleeved stainless steel pipe which is convenient to assemble and disassemble and does not need additional tools.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the lower end of the main pipe is used for being inserted into the secondary pipe, the lower end of the outer side of the main pipe is rotationally provided with an outer sleeve, a space is reserved between the inner side of the outer sleeve and the main pipe, the upper end of the secondary pipe is inserted into the space, a clamping groove is formed in the bottom of the outer sleeve, the clamping groove is L-shaped, a protruding rod is arranged above the outer side of the secondary pipe, and the protruding rod is matched with the clamping groove;
The outer sleeve is provided with a sliding groove at one side of the clamping groove, a sliding block is movably arranged in the sliding groove, a limiting rod is arranged at the upper end of the sliding block, the upper end of the limiting rod extends to the inside of the clamping groove, a spring is connected between the lower end of the sliding block and the bottom of the inside of the sliding groove, and a positioning rod is arranged on the sliding block.
The further improvement is that: the lower part of one side of the chute is provided with a positioning groove, the positioning groove is communicated with the chute, and the positioning rod is matched with the positioning groove.
The further improvement is that: the lower part of slider front end is equipped with the guide way, and the inside activity of guide way is equipped with the guide block, the locating lever is established on the guide block.
The further improvement is that: the outside of being responsible for is equipped with first spacing collar and second spacing collar, the inboard upper end of outer tube is equipped with the extension, first spacing collar is established in extension top, the second spacing collar is established in extension below and is located the inside of outer tube.
The further improvement is that: the clamping grooves are at least provided with four groups, the four groups of clamping grooves are arranged around the center of the outer sleeve at equal included angles, and the protruding rod is at least provided with four groups.
The further improvement is that: the lower part outside the main pipe is provided with a first sealing ring, the upper part inside the secondary pipe is provided with a first sealing groove, and the first sealing ring is matched with the first sealing groove.
The further improvement is that: the upper part outside the secondary pipe is provided with a second sealing ring, the upper part inside the outer sleeve is provided with a second sealing groove, and the second sealing ring is matched with the second sealing groove.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the lower end of the main pipe is inserted into the secondary pipe for connection, the convex rod is pushed into the clamping groove in the inserting process, the positioning rod is shifted to retract the limiting rod, the outer sleeve is rotated to clamp the convex rod into one side of the inner part of the clamping groove, the positioning rod is loosened to reset the limiting rod to limit the convex rod, and the fixing and the dismounting are convenient, and do not need additional tools.
2. According to the utility model, when the positioning rod is required to be frequently assembled and disassembled, the positioning rod is only required to be pulled to the lower part and is moved to be clamped into the positioning groove, so that the retraction state of the positioning rod can be kept, the positioning rod is not required to be adjusted during assembly and disassembly, and the positioning rod can be directly rotated, so that the positioning rod has multiple functions.
3. When the lower end of the main pipe is inserted into the secondary pipe, the first sealing ring and the first sealing groove are used for carrying out adaptive sealing, the upper end of the synchronous secondary pipe is inserted into the space inside the outer sleeve, and the second sealing ring and the second sealing groove are used for carrying out adaptive sealing, so that the stability is ensured.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic diagram of a main pipe of the present utility model;
FIG. 3 is a schematic view of a secondary pipe according to the present utility model;
FIG. 4 is a schematic view of the structure at A of the present utility model;
FIG. 5 is a schematic view of a slider of the present utility model;
FIG. 6 is a schematic view of the installation of the outer sleeve of the present utility model.
Wherein: 1. a main pipe; 2. a secondary pipe; 3. an outer sleeve; 4. a clamping groove; 5. a protruding rod; 6. a chute; 7. a slide block; 8. a limit rod; 9. a spring; 10. a positioning groove; 11. a guide groove; 12. a positioning rod; 13. a first limit ring; 14. a second limit ring; 15. a first seal ring; 16. a first seal groove; 17. a second seal ring; 18. and a second seal groove.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
According to fig. 1, 2, 3, 4, 5 and 6, the embodiment provides a multi-layer sleeved stainless steel pipe, which comprises a main pipe 1 and a secondary pipe 2, wherein the lower end of the main pipe 1 is used for being inserted into the secondary pipe 2, the lower end of the outer side of the main pipe 1 is rotationally provided with an outer sleeve 3, a space is reserved between the inner side of the outer sleeve 3 and the main pipe 1, the upper end of the secondary pipe 2 is inserted into the space, the bottom of the outer sleeve 3 is provided with a clamping groove 4, the clamping groove 4 is L-shaped, a convex rod 5 is arranged above the outer side of the secondary pipe 2, and the convex rod 5 is matched with the clamping groove 4;
The outer sleeve 3 at one side of the clamping groove 4 is provided with a sliding groove 6, the sliding groove 6 is movably provided with a sliding block 7, the upper end of the sliding block 7 is provided with a limiting rod 8, the upper end of the limiting rod 8 extends to the inside of the clamping groove 4, a spring 9 is connected between the lower end of the sliding block 7 and the bottom of the sliding groove 6, and the sliding block 7 is provided with a positioning rod 12. When the telescopic pipe is used, the lower end of the main pipe 1 is inserted into the secondary pipe 2 for connection, the protruding rod 5 is pushed into the clamping groove 4 in the inserting process, the positioning rod 12 is shifted to retract the limiting rod 8, the outer sleeve 3 is rotated, the protruding rod 5 can be clamped into one side of the inner part of the clamping groove 4, the positioning rod 12 is loosened to reset the limiting rod 8 to limit the protruding rod 5, and the telescopic pipe can be fixed.
The lower part of one side of the chute 6 is provided with a positioning groove 10, the positioning groove 10 is communicated with the chute 6, and the positioning rod 12 is matched with the positioning groove 10. The lower part of the front end of the sliding block 7 is provided with a guide groove 11, the inside of the guide groove 11 is movably provided with a guide block, and the positioning rod 12 is arranged on the guide block. When the positioning rod 12 is pulled to the lower part and the positioning rod 12 is moved to be clamped into the positioning groove 10, the retraction state of the limiting rod 8 can be maintained, and the limiting rod 8 is not required to be adjusted to directly rotate when the positioning rod is assembled or disassembled.
The outside of being responsible for 1 is equipped with first spacing collar 13 and second spacing collar 14, the inboard upper end of outer tube 3 is equipped with the extension, first spacing collar 13 is established in extension top, second spacing collar 14 is established in extension below and is located the inside of outer tube 3. The first limit ring 13 and the second limit ring 14 limit the extension on the outer sleeve 3, so that the outer sleeve 3 can not shift while rotating.
The clamping grooves 4 are provided with four groups, the four groups of clamping grooves 4 are arranged around the circle center of the outer sleeve 3 at equal included angles, and the convex rod 5 is provided with at least four groups. Fixing is carried out from four corners, so that the fixing is more stable.
Example two
According to fig. 1, 2, 3, 4, 5 and 6, the embodiment provides a multi-layer sleeved stainless steel pipe, which comprises a main pipe 1 and a secondary pipe 2, wherein the lower end of the main pipe 1 is used for being inserted into the secondary pipe 2, the lower end of the outer side of the main pipe 1 is rotationally provided with an outer sleeve 3, a space is reserved between the inner side of the outer sleeve 3 and the main pipe 1, the upper end of the secondary pipe 2 is inserted into the space, the bottom of the outer sleeve 3 is provided with a clamping groove 4, the clamping groove 4 is L-shaped, a convex rod 5 is arranged above the outer side of the secondary pipe 2, and the convex rod 5 is matched with the clamping groove 4;
The outer sleeve 3 at one side of the clamping groove 4 is provided with a sliding groove 6, the sliding groove 6 is movably provided with a sliding block 7, the upper end of the sliding block 7 is provided with a limiting rod 8, the upper end of the limiting rod 8 extends to the inside of the clamping groove 4, a spring 9 is connected between the lower end of the sliding block 7 and the bottom of the sliding groove 6, and the sliding block 7 is provided with a positioning rod 12. When the telescopic pipe is used, the lower end of the main pipe 1 is inserted into the secondary pipe 2 for connection, the protruding rod 5 is pushed into the clamping groove 4 in the inserting process, the positioning rod 12 is shifted to retract the limiting rod 8, the outer sleeve 3 is rotated, the protruding rod 5 can be clamped into one side of the inner part of the clamping groove 4, the positioning rod 12 is loosened to reset the limiting rod 8 to limit the protruding rod 5, and the telescopic pipe can be fixed.
The clamping grooves 4 are provided with four groups, the four groups of clamping grooves 4 are arranged around the circle center of the outer sleeve 3 at equal included angles, and the convex rod 5 is provided with at least four groups. Fixing is carried out from four corners, so that the fixing is more stable.
The lower part outside the main pipe 1 is provided with a first sealing ring 15, the upper part inside the secondary pipe 2 is provided with a first sealing groove 16, and the first sealing ring 15 is matched with the first sealing groove 16. The upper part outside the secondary pipe 2 is provided with a second sealing ring 17, the upper part inside the outer sleeve 3 is provided with a second sealing groove 18, and the second sealing ring 17 is matched with the second sealing groove 18. When the lower end of the main pipe 1 is inserted into the secondary pipe 2, the first sealing ring 15 and the first sealing groove 16 are used for carrying out adaptive sealing, the upper end of the synchronous secondary pipe 2 is inserted into the space inside the outer sleeve 3, the second sealing ring 17 and the second sealing groove 18 are used for carrying out adaptive sealing, double sealing and stability is ensured.
This multilayer socket joint formula stainless steel pipe is connected through inserting the inside of establishing into secondary pipe 2 with being responsible for 1 lower extreme, at the in-process of inserting, push the inside of draw-in groove 4 with protruding pole 5, stir the locating lever 12 and make gag lever post 8 withdraw, rotate outer tube 3, make protruding pole 5 can block into the inside one side of draw-in groove 4, loosen locating lever 12 and make gag lever post 8 reset spacing to protruding pole 5, can fix, it is convenient to install and remove, need not extra instrument, and this product is when the environment to need frequently install and remove, only need pull locating lever 12 to the below, and remove locating lever 12, make its card go into the inside of locating groove 10, can keep gag lever post 8 withdrawal state like this, need not to adjust gag lever post 8 when installing and removing, direct rotation can, the function is diversified. Meanwhile, when the lower end of the main pipe 1 is inserted into the secondary pipe 2, the first sealing ring 15 and the first sealing groove 16 are used for adaptive sealing, the upper end of the synchronous secondary pipe 2 is inserted into the space inside the outer sleeve 3, the second sealing ring 17 and the second sealing groove 18 are used for adaptive sealing, double sealing is achieved, and stability is guaranteed.
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, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a stainless steel pipe is cup jointed to multilayer, includes main pipe (1) and secondary pipe (2), its characterized in that: the lower end of the main pipe (1) is used for being inserted into the secondary pipe (2), the lower end of the outer side of the main pipe (1) is rotationally provided with an outer sleeve (3), an interval is reserved between the inner side of the outer sleeve (3) and the main pipe (1), the upper end of the secondary pipe (2) is inserted into the interval, the bottom of the outer sleeve (3) is provided with a clamping groove (4), the clamping groove (4) is L-shaped, a protruding rod (5) is arranged above the outer side of the secondary pipe (2), and the protruding rod (5) is matched with the clamping groove (4);
The outer sleeve (3) at one side of the clamping groove (4) is provided with a sliding groove (6), the sliding groove (6) is movably provided with a sliding block (7), the upper end of the sliding block (7) is provided with a limiting rod (8), the upper end of the limiting rod (8) extends to the inside of the clamping groove (4), a spring (9) is connected between the lower end of the sliding block (7) and the bottom of the sliding groove (6), and the sliding block (7) is provided with a positioning rod (12).
2. A multi-layered, sleeved stainless steel tube according to claim 1, wherein: the lower part of one side of the chute (6) is provided with a positioning groove (10), the positioning groove (10) is communicated with the chute (6), and the positioning rod (12) is matched with the positioning groove (10).
3. A multi-layered bell and spigot joint type stainless steel tube according to claim 2 wherein: the lower part of the front end of the sliding block (7) is provided with a guide groove (11), the inside of the guide groove (11) is movably provided with a guide block, and the positioning rod (12) is arranged on the guide block.
4. A multi-layered, sleeved stainless steel tube according to claim 1, wherein: the outer side of the main pipe (1) is provided with a first limit ring (13) and a second limit ring (14), the upper end of the inner side of the outer sleeve (3) is provided with a extension edge, the first limit ring (13) is arranged above the extension edge, and the second limit ring (14) is arranged below the extension edge and is positioned in the outer sleeve (3).
5. A multi-layered, sleeved stainless steel tube according to claim 1, wherein: the clamping grooves (4) are at least provided with four groups, the four groups of clamping grooves (4) are arranged around the center of the outer sleeve (3) at equal included angles, and the protruding rods (5) are at least provided with four groups.
6. A multi-layered, sleeved stainless steel tube according to claim 1, wherein: the lower part outside of main pipe (1) is equipped with first sealing washer (15), the top of inferior pipe (2) inboard is equipped with first seal groove (16), first sealing washer (15) and first seal groove (16) looks adaptation.
7. A multi-layered, sleeved stainless steel tube according to claim 6, wherein: the upper part outside the secondary pipe (2) is provided with a second sealing ring (17), the upper part inside the outer sleeve (3) is provided with a second sealing groove (18), and the second sealing ring (17) is matched with the second sealing groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709643.0U CN221034447U (en) | 2023-10-09 | 2023-10-09 | Multilayer sleeve-joint type stainless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709643.0U CN221034447U (en) | 2023-10-09 | 2023-10-09 | Multilayer sleeve-joint type stainless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221034447U true CN221034447U (en) | 2024-05-28 |
Family
ID=91140785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322709643.0U Active CN221034447U (en) | 2023-10-09 | 2023-10-09 | Multilayer sleeve-joint type stainless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221034447U (en) |
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2023
- 2023-10-09 CN CN202322709643.0U patent/CN221034447U/en active Active
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