CN114526380B - General pipe structure - Google Patents
General pipe structure Download PDFInfo
- Publication number
- CN114526380B CN114526380B CN202210365334.3A CN202210365334A CN114526380B CN 114526380 B CN114526380 B CN 114526380B CN 202210365334 A CN202210365334 A CN 202210365334A CN 114526380 B CN114526380 B CN 114526380B
- Authority
- CN
- China
- Prior art keywords
- rod
- outer tube
- tube
- limiting
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a general pipe structure, in particular to the field of general pipes, which comprises an outer pipe, wherein an inner pipe is arranged on the inner wall of the outer pipe, the outer pipe is fixedly connected with the inner pipe, grooves are formed in the outer wall surface and the two end surfaces of the outer pipe, the number of the grooves is multiple, and reinforcing rods are arranged in the grooves. Compared with the prior art, the invention has the advantages that the cross section of the reinforcing rod and the cross section of the groove are U-shaped, so that the reinforcing rod is positioned in the groove to clamp the outer tube, the outer tube is prevented from moving, the limiting hole is completely matched with the limiting rod to prevent the clamping rod from shaking, the circular ring is fixedly connected with the outer tube through the cross rod, the circular ring can be prevented from moving, the connection with the outer tube is reinforced, the connectivity between the outer tube and the inner tube is increased, the connection between the inner tube and the outer tube is reinforced for many times, the unstable connection is prevented, and the impact resistance is increased.
Description
Technical Field
The present invention relates to the field of utility pipes, and more particularly to a utility pipe structure.
Background
Pipes are devices for transporting gas, liquid or fluid with solid particles, which are coupled by pipes, pipe couplings, valves, etc. In general, after the fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., the fluid flows from a high pressure place to a low pressure place of a pipeline, and the fluid can be conveyed by the pressure or gravity of the fluid. The piping is used in a wide variety of applications, mainly in water supply, water drainage, heat supply, gas supply, long distance transportation of petroleum and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices.
In the prior art, more defects still exist, such as when the inner pipe and the outer pipe of the pipeline are connected, if the inner pipe and the outer pipe cannot be connected for multiple times, the connection between the inner pipe and the outer pipe is unstable, the pipeline is not impact-resistant, and the use is inconvenient.
Disclosure of Invention
(one) solving the technical problems
In order to overcome the above-mentioned drawbacks of the prior art, the embodiment of the present invention provides a general pipe structure, by providing a groove and a clamping rod, compared with the prior art, because the cross-sectional shapes of the reinforcing rod and the groove are both U-shaped, the reinforcing rod can be located inside the groove to clamp the outer pipe, preventing the outer pipe from moving, and because the hole is adapted to the clamping rod, the clamping rod is led to enter the hole, and the limiting hole is completely combined with the limiting rod, and because the limiting hole is completely adapted to the limiting rod, the clamping rod is prevented from shaking, and the ring is fixedly connected with the outer pipe through a cross rod, the ring is prevented from moving, the connection with the outer pipe is reinforced, the connectivity between the outer pipe and the inner pipe is increased, thereby the connection between the inner pipe and the outer pipe is reinforced many times, the connection is prevented from being unstable, and the impact resistance is increased, so as to solve the problems raised in the background art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a general tube structure, includes the outer tube, the inner wall of outer tube is provided with the inner tube, outer tube and inner tube fixed connection, outer wall surface and both ends surface of outer tube all are provided with the recess, the quantity of recess is a plurality of, the inside of recess is provided with the stiffener, the inner wall of outer tube is provided with the hole, the inside of hole is provided with the draw-in lever, draw-in lever and hole looks adaptation.
The specific embodiment is as follows: because the cross section shape of stiffener and recess is the U-shaped, can let the stiffener be located the inside of recess, block the outer tube, prevent that the outer tube from taking place to remove, and because hole and card pole looks adaptation, let the card pole enter the inside of hole, and make restriction hole and restriction pole merge completely, because restriction hole and restriction pole looks adaptation completely, prevent that the card pole from taking place to rock, and the ring passes through horizontal pole and outer tube fixed connection, can prevent that the ring from taking place to move, strengthen the connection with the outer tube, let the connectivity of outer tube and inner tube increase, thereby can strengthen the connection of inner tube and outer tube many times, prevent to connect unstably, make shock-resistant increase.
In a preferred embodiment, the reinforcing rod is fixedly connected with the inner tube, and the cross-sectional shapes of the groove and the reinforcing rod are U-shaped.
In a preferred embodiment, the clamping rod is fixedly connected with the inner tube, and one end of the clamping rod is provided with a limiting hole.
In a preferred embodiment, the number of the clamping rods is plural, and the limiting holes on one end surface of each clamping rod are plural.
In a preferred embodiment, the limiting rod is arranged inside the limiting hole, is completely positioned inside the limiting hole and is fixedly connected with the outer tube.
In a preferred embodiment, the front and back of each clamping rod are provided with fixing rods, and the outer sides of the fixing rods are provided with circular rings.
In a preferred embodiment, a cross bar is provided on one side of the ring, which is fixedly connected to the outer tube by means of the cross bar.
(III) beneficial effects
The invention provides a general pipe structure, which has the following beneficial effects:
1. compared with the prior art, the cross section of the reinforcing rod and the cross section of the groove are U-shaped, so that the reinforcing rod is positioned in the groove to clamp the outer tube, the outer tube is prevented from moving, the clamping rod is led into the hole due to the matching of the hole and the clamping rod, the limiting hole is completely combined with the limiting rod, the clamping rod is prevented from shaking, the circular ring is fixedly connected with the outer tube through the transverse rod, the circular ring is prevented from moving, the connection with the outer tube is enhanced, the connectivity between the outer tube and the inner tube is increased, the connection between the inner tube and the outer tube is reinforced for many times, the unstable connection is prevented, and the impact resistance is increased;
2. compared with the prior art, the surface of the reinforcing rod far away from the inner pipe and the outer side surface of the outer pipe are arranged in a horizontal collineation mode, and the two ends of the reinforcing rod and the inner wall of the inner pipe are arranged in a vertical collineation mode, so that the bulges on the surface can be reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a top view of the reinforcing rod and outer tube of the present invention.
Fig. 3 is an enlarged view of the portion a in fig. 1 according to the present invention.
Fig. 4 is a side view of the clamping lever and restraining lever of the present invention.
The reference numerals are: 1 outer tube, 2 inner tube, 3 recesses, 4 reinforcing bars, 5 holes, 6 clamping bars, 7 limiting holes, 8 limiting bars, 9 fixing bars, 10 rings and 11 cross bars.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a general pipe structure, which comprises an outer pipe 1, wherein an inner pipe 2 is arranged on the inner wall of the outer pipe 1, the outer pipe 1 is fixedly connected with the inner pipe 2, grooves 3 are formed in the outer wall surface and the two end surfaces of the outer pipe 1, the number of the grooves 3 is multiple, reinforcing rods 4 are arranged in the grooves 3, holes 5 are formed in the inner wall of the outer pipe 1, clamping rods 6 are arranged in the holes 5, and the clamping rods 6 are matched with the holes 5.
Further, the reinforcing rod 4 is fixedly connected with the inner tube 2, and the cross sections of the groove 3 and the reinforcing rod 4 are U-shaped.
Further, the clamping rod 6 is fixedly connected with the inner tube 2, and a limiting hole 7 is formed in one end of the clamping rod 6.
Further, the number of the clamping rods 6 is plural, and the limiting holes 7 on one end surface of each clamping rod 6 are plural.
Further, a limiting rod 8 is arranged in the limiting hole 7, the limiting rod 8 is completely positioned in the limiting hole 7, and the limiting rod 8 is fixedly connected with the outer tube 1.
Further, a fixing rod 9 is disposed on the front surface and the back surface of each clamping rod 6, and a circular ring 10 is disposed on the outer side of the fixing rod 9.
Further, a cross rod 11 is disposed at one side of the ring 10, and the ring 10 is fixedly connected with the outer tube 1 through the cross rod 11.
To sum up, the workflow of the invention: when the shock-resistant inner tube is used, the reinforcing rod 4 is combined with the groove 3, the cross section of the reinforcing rod 4 and the cross section of the groove 3 are U-shaped, the reinforcing rod 4 can be located in the groove 3, the outer tube 1 is prevented from being clamped, the outer tube 1 is prevented from moving, the two ends of the reinforcing rod 4 are fixedly connected with the inner tube 2, the stability of connection is enhanced, and the holes 5 and the clamping rods 6 are matched, the clamping rods 6 enter the holes 5, the limiting holes 7 are completely combined with the limiting rods 8, the limiting holes 7 are completely matched with the limiting rods 8, the clamping rods 6 are prevented from shaking, the fixing rods 9 penetrate through the circular rings 10, the circular rings 10 are fixedly connected with the outer tube 1 through the transverse rods 11, the circular rings 10 can be prevented from moving, the outer tube 1 and the inner tube 2 are prevented from being connected with each other, the inner tube 2 can be reinforced repeatedly, the connection is prevented from being unstable, the shock-resistant surfaces of the inner tube 2 are prevented from being arranged to be in a horizontal collineation with the outer side surfaces of the outer tube 1, and the two ends of the reinforcing rod 4 are vertical to the inner tube 2 are arranged to be in a collineation.
The working principle of the invention is as follows:
referring to fig. 1 and 3-4 of the specification, in the novel general pipe structure of the embodiment of the invention, when in use, because the cross section shapes of the reinforcing rod 4 and the groove 3 are U-shaped, the reinforcing rod 4 can be positioned in the groove 3 to clamp the outer pipe 1, preventing the outer pipe 1 from moving, and because the hole 5 is matched with the clamping rod 6, the clamping rod 6 enters into the hole 5, and the limiting hole 7 is completely combined with the limiting rod 8, and because the limiting hole 7 is completely matched with the limiting rod 8, the clamping rod 6 is prevented from shaking, and the circular ring 10 is fixedly connected with the outer pipe 1 through the cross rod 11, the movement of the circular ring 10 can be prevented, the connection with the outer pipe 1 is reinforced, the connectivity between the outer pipe 1 and the inner pipe 2 is increased, the connection between the inner pipe 2 and the outer pipe 1 can be reinforced for many times, the connection is prevented from being unstable, and the impact resistance is increased;
referring to fig. 1-2 of the specification, in the novel universal pipe structure of the embodiment of the invention, when in use, as the surface of the reinforcing rod 4 far away from the inner pipe 2 and the outer side surface of the outer pipe 1 are arranged in a horizontal collineation manner, and the two ends of the reinforcing rod 4 and the inner wall of the inner pipe 2 are arranged in a vertical collineation manner, the bulges on the surface can be reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A universal tube structure comprising an outer tube (1), characterized in that: the inner wall of the outer tube (1) is provided with an inner tube (2), the outer tube (1) is fixedly connected with the inner tube (2), grooves (3) are formed in the outer wall surface and the two end surfaces of the outer tube (1), the number of the grooves (3) is multiple, reinforcing rods (4) are arranged in the grooves (3), holes (5) are formed in the inner wall of the outer tube (1), clamping rods (6) are arranged in the holes (5), and the clamping rods (6) are matched with the holes (5); the reinforcing rod (4) is fixedly connected with the inner tube (2), the clamping rods (6) are fixedly connected with the inner tube (2), limiting holes (7) are formed in one end of each clamping rod (6), the number of the clamping rods (6) is multiple, the limiting holes (7) in one end surface of each clamping rod (6) are multiple, limiting rods (8) are arranged in the limiting holes (7), the limiting rods (8) are completely located in the limiting holes (7), the limiting rods (8) are fixedly connected with the outer tube (1), fixing rods (9) are arranged on the front face and the back face of each clamping rod (6), the outer side of the fixed rod (9) is provided with a circular ring (10), one side of the circular ring (10) is provided with a cross rod (11), the circular ring (10) is fixedly connected with the outer tube (1) through the cross rod (11), the reinforcing rod (4) is combined with the groove (3), the cross section shapes of the reinforcing rod (4) and the groove (3) are U-shaped, the reinforcing rod (4) is positioned in the groove (3) to clamp the outer tube (1) to prevent the outer tube (1) from moving, the two ends of the reinforcing rod (4) are fixedly connected with the inner tube (2) to strengthen the stability of connection, the hole (5) is matched with the clamping rod (6), the clamping rod (6) enters the hole (5) and is completely combined with the limiting rod (8), the limiting hole (7) is completely matched with the limiting rod (8), the clamping rod (6) is prevented from shaking, the fixing rod (9) penetrates through the circular ring (10), the circular ring (10) is fixedly connected with the outer tube (1) through the transverse rod (11), the circular ring (10) is prevented from moving, the connection with the outer tube (1) is enhanced, the connectivity of the outer tube (1) and the inner tube (2) is increased, the connection between the inner tube (2) and the outer tube (1) can be enhanced for many times, the connection is prevented from being unstable, and the impact resistance is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210365334.3A CN114526380B (en) | 2022-04-08 | 2022-04-08 | General pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210365334.3A CN114526380B (en) | 2022-04-08 | 2022-04-08 | General pipe structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114526380A CN114526380A (en) | 2022-05-24 |
| CN114526380B true CN114526380B (en) | 2023-11-14 |
Family
ID=81627892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210365334.3A Active CN114526380B (en) | 2022-04-08 | 2022-04-08 | General pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114526380B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4274663A (en) * | 1978-03-27 | 1981-06-23 | Drill Systems, Inc. | Multiple wall drill pipe |
| EP0328094A2 (en) * | 1988-02-08 | 1989-08-16 | Joh. Vaillant GmbH u. Co. | Doublewalled pipe and connection of coaxial doublewalled pipe sections by means of a connection piece consisting of such a doublewalled pipe |
| DE202006016917U1 (en) * | 2006-03-30 | 2006-12-28 | Yu, Jinxing, Suzhou | Telescopic pipe for dust collector comprises outer tube, inner tube with axes direction extension stop bar, stop part combination act with stop trough of stop bar, and stop part is installed inside guiding-sheathing |
| DE102009031465A1 (en) * | 2009-07-01 | 2011-01-13 | Eugen Geyer Gmbh | Multi-channel tube has outer tube, where insert element is inserted in inner chamber for forming two passage channels, and one of multiple recesses of outer pipe forms press fit |
| CN207394146U (en) * | 2017-08-30 | 2018-05-22 | 上海贝思特管业有限公司 | A kind of PVC is modified solid wall pipe |
| CN208107350U (en) * | 2018-04-25 | 2018-11-16 | 江苏舜龙管业科技有限公司 | Dual-metal clad steel pipe |
| CN209067972U (en) * | 2018-10-09 | 2019-07-05 | 江西天丰建设集团管业科技有限公司 | A kind of double-colored reinforced composite pipe of bilayer ribbing |
| CN209484525U (en) * | 2019-02-15 | 2019-10-11 | 江苏宏翔照明电气有限公司 | A kind of lamp stand production steel pipe easy to process |
| CN215568570U (en) * | 2021-06-07 | 2022-01-18 | 重庆巨港管业有限公司 | Effectual compound pipe of plastic-sprayed steel of resistance to compression |
| CN215635455U (en) * | 2021-06-07 | 2022-01-25 | 嘉善鸿达塑业股份有限公司 | High-strength inner-diameter double-wall corrugated polyethylene PPR pipe |
| CN215674031U (en) * | 2021-06-10 | 2022-01-28 | 常州杜尔博流体技术有限公司 | Marine liquefied natural gas double-wall fuel pipe with high sealing performance |
| CN215721333U (en) * | 2021-06-29 | 2022-02-01 | 镇江景宇管道设备有限公司 | High-strength double-wall corrugated pipe |
| CN215926282U (en) * | 2021-09-14 | 2022-03-01 | 赵雷 | Steel construction connecting device for civil engineering |
-
2022
- 2022-04-08 CN CN202210365334.3A patent/CN114526380B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4274663A (en) * | 1978-03-27 | 1981-06-23 | Drill Systems, Inc. | Multiple wall drill pipe |
| EP0328094A2 (en) * | 1988-02-08 | 1989-08-16 | Joh. Vaillant GmbH u. Co. | Doublewalled pipe and connection of coaxial doublewalled pipe sections by means of a connection piece consisting of such a doublewalled pipe |
| DE202006016917U1 (en) * | 2006-03-30 | 2006-12-28 | Yu, Jinxing, Suzhou | Telescopic pipe for dust collector comprises outer tube, inner tube with axes direction extension stop bar, stop part combination act with stop trough of stop bar, and stop part is installed inside guiding-sheathing |
| DE102009031465A1 (en) * | 2009-07-01 | 2011-01-13 | Eugen Geyer Gmbh | Multi-channel tube has outer tube, where insert element is inserted in inner chamber for forming two passage channels, and one of multiple recesses of outer pipe forms press fit |
| CN207394146U (en) * | 2017-08-30 | 2018-05-22 | 上海贝思特管业有限公司 | A kind of PVC is modified solid wall pipe |
| CN208107350U (en) * | 2018-04-25 | 2018-11-16 | 江苏舜龙管业科技有限公司 | Dual-metal clad steel pipe |
| CN209067972U (en) * | 2018-10-09 | 2019-07-05 | 江西天丰建设集团管业科技有限公司 | A kind of double-colored reinforced composite pipe of bilayer ribbing |
| CN209484525U (en) * | 2019-02-15 | 2019-10-11 | 江苏宏翔照明电气有限公司 | A kind of lamp stand production steel pipe easy to process |
| CN215568570U (en) * | 2021-06-07 | 2022-01-18 | 重庆巨港管业有限公司 | Effectual compound pipe of plastic-sprayed steel of resistance to compression |
| CN215635455U (en) * | 2021-06-07 | 2022-01-25 | 嘉善鸿达塑业股份有限公司 | High-strength inner-diameter double-wall corrugated polyethylene PPR pipe |
| CN215674031U (en) * | 2021-06-10 | 2022-01-28 | 常州杜尔博流体技术有限公司 | Marine liquefied natural gas double-wall fuel pipe with high sealing performance |
| CN215721333U (en) * | 2021-06-29 | 2022-02-01 | 镇江景宇管道设备有限公司 | High-strength double-wall corrugated pipe |
| CN215926282U (en) * | 2021-09-14 | 2022-03-01 | 赵雷 | Steel construction connecting device for civil engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114526380A (en) | 2022-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114526380B (en) | General pipe structure | |
| CN210830890U (en) | Connecting piece for pipeline | |
| CN210510754U (en) | Pipeline adopting anti-drop lining | |
| CN212671838U (en) | Construction air pipe device suitable for extra-long tunnel in alpine region | |
| CN209620217U (en) | A kind of anticlogging Building class drainpipe | |
| CN212960778U (en) | Pipeline pressure monitoring device | |
| CN211738414U (en) | Combined type corrosion-resistant heat-insulating pipeline | |
| CN210600495U (en) | Corrosion-resistant FRPP double-wall corrugated pipe | |
| CN217583419U (en) | Municipal administration normal position protection mechanism convenient to lift by crane | |
| CN208651876U (en) | A kind of buckle-type Pipe couplings | |
| CN221196559U (en) | Large-scale long-distance pipeline plugging device | |
| CN221424231U (en) | Corrosion-resistant elbow stainless steel joint | |
| CN211696160U (en) | Pipeline measuring device | |
| CN206787346U (en) | A kind of PTFE heat exchangers with PTFE cladding cards | |
| CN219692471U (en) | Engineering pipeline fixing structure | |
| CN213655903U (en) | Rubber strip with U-shaped groove for fixing cable and pipeline | |
| CN216383045U (en) | Glass fiber reinforced plastic pipeline convenient to assembly and connection | |
| CN217539863U (en) | A installation mechanism for outdoor pipeline | |
| CN219367093U (en) | T-shaped pipe | |
| CN210661857U (en) | PVC pipe flaring mounting structure | |
| CN214947360U (en) | Wear-resistant high-elasticity net pipe | |
| CN214789406U (en) | Locking mechanism for preventing pipeline from floating | |
| CN221258039U (en) | Pipeline convenient to use in combination | |
| CN211437746U (en) | Middle part does not have straight section S type return bend | |
| CN211083248U (en) | PVC pipe reposition of redundant personnel structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |