CN112856078A - Bidirectional winding rib combined wall pipe - Google Patents
Bidirectional winding rib combined wall pipe Download PDFInfo
- Publication number
- CN112856078A CN112856078A CN202011617054.4A CN202011617054A CN112856078A CN 112856078 A CN112856078 A CN 112856078A CN 202011617054 A CN202011617054 A CN 202011617054A CN 112856078 A CN112856078 A CN 112856078A
- Authority
- CN
- China
- Prior art keywords
- assembling
- correspondingly
- plates
- rib
- plate
- 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.)
- Granted
Links
Images
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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/086—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of latching members pushed radially by spring-like elements
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/098—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
Abstract
The invention discloses a bidirectional winding rib combined wall pipe, which comprises a sectional type pipe body; the two ends of each pipe body are respectively provided with an assembling ring plate; the upper end of the assembling ring plate is upwards protruded, and the lower end of the assembling ring plate is correspondingly inwards embedded into the pipe body; the outer side end of the assembling ring plate is also provided with a ring-shaped assembling groove; and the lower end or the upper end of each assembling groove is provided with an inserting plate which extends outwards and is arranged annularly. When the device is installed, two adjacent assembling ring plates are abutted, so that the adjacent inserting plates are correspondingly attached to the groove walls of the corresponding assembling grooves and inserted into the assembling grooves, the jacking springs on the corresponding inserting plates are correspondingly installed in the groove bodies, the inserting plates are jacked up and down, after the inserting plates move inwards, the clamping heads on the inserting plates are correspondingly clamped in the clamping grooves and are correspondingly clamped under the action of the jacking springs, the adjacent assembling ring plates on two sides are clamped and fixed together, the inserting plates have elasticity and are correspondingly inserted and clamped in the clamping grooves, and the whole installation is very convenient and rapid.
Description
Technical Field
The invention relates to a wall pipe structure, in particular to a bidirectional winding rib combined wall pipe.
Background
Most of the wall pipes in the prior art are installed in a butt joint mode by arranging a flange installation structure at the pipe orifice end, and the butt joint of the pipes is realized by using fixing pieces such as bolts when most of the wall pipes are installed, so that the installation mode is very troublesome, the efficiency is poor, and the process is complicated; after the integral structure is installed, the sealing performance cannot be guaranteed, after pipe orifices are in butt joint, the positions of pipe fittings at two ends are fixed, fine adjustment cannot be realized at the corresponding positions between the pipe orifices, the pipe orifices can be adjusted only by disassembling the integral structure, and after the pipe orifices are disassembled and installed, the sealing performance is greatly reduced, and the requirements cannot be met; the existing structure can not realize the requirements of quick installation and sealing performance. And present wall pipe is mostly need bury underground, and the wall pipe need bear the pressure on top earth and road surface, will bear the impact of inside rivers again, and consequently most water pipes need set up the winding muscle body in its outside and strengthen the intensity of whole wall pipe, but current structure only sets up the one deck spiral muscle body at the skin, and the reinforcement effect is not obvious enough, can't satisfy the intensity requirement of resistance to compression.
Disclosure of Invention
The invention aims to provide a bidirectional winding rib combined wall pipe aiming at the defects in the prior art.
The technical scheme is as follows: the technical scheme adopted by the invention for solving the problems is as follows: a bidirectional winding rib combined wall pipe comprises a sectional type pipe body; the two ends of each pipe body are respectively provided with an assembling ring plate; the upper end of the assembling ring plate is upwards protruded, and the lower end of the assembling ring plate is correspondingly inwards embedded into the pipe body; the outer side end of the assembling ring plate is also provided with a circle of annular assembling grooves; the lower end or the upper end of each assembling groove is provided with an annular inserting plate which extends outwards; the inserting plates at the corresponding ends of the two adjacent pipe bodies are arranged in an up-down corresponding manner, the end parts of the inserting plates are also provided with clamping heads, the clamping head of the inserting plate positioned above is bent upwards, and the clamping head of the inserting plate positioned below is bent downwards; the upper end or the lower end of the bottom of the assembling grooves on the two sides is also provided with a corresponding clamping groove; and the inserting plates on the two sides are also provided with jacking springs; the top pressure springs are uniformly arranged at intervals, and the top pressure springs on the upper inserting plate are arranged at the lower ends of the top pressure springs and are vertically arranged downwards; the top pressure spring on the lower inserting plate is arranged at the upper end of the lower inserting plate and is vertically arranged; when the assembly grooves on the left side and the right side are installed in a butt joint mode, the clamping heads at the end portions of the inserting plates are correspondingly clamped in the clamping grooves, the jacking springs are correspondingly embedded in the assembly grooves of the adjacent assembly ring plates, and the inserting plates are vertically jacked and fixed; the outer surface of the pipe body is provided with spirally arranged outer winding ribs between every two adjacent assembling ring plates; and on the inner surface of the pipe body, an inner winding rib which is spirally arranged is correspondingly arranged between every two adjacent assembling ring plates; and the spiral winding directions of the inner winding rib and the outer winding rib are opposite, and the inner winding rib and the outer winding rib are arranged on the inner surface and the outer surface of the pipe body in an inner-outer crossed weaving mode when seen from the perspective direction.
Preferably, the outer side of each plug board is also provided with a layer of circumferential sealing gasket; and the inserting plate is of an elastic inserting plate structure.
Preferably, the thread pitch between the inner winding rib and the outer winding rib is the same; and the heights of the inward and outward bulges of the internal winding rib and the external winding rib are the same.
Preferably, five jacking springs are arranged on each inserting plate at uniform intervals, and in two inserting plates which are arranged adjacently and correspondingly, the jacking springs on the upper inserting plate and the jacking springs on the lower inserting plate are arranged in a staggered and spaced mode.
Preferably, after two adjacent assembling ring plates are assembled and installed, an inner gap and an outer gap are reserved between the two assembling ring plates; the inner layer gap is correspondingly embedded with a waterproof pad, and the outer layer gap is correspondingly embedded with a rubber pad.
Preferably, the pipe body is arranged at the middle position of the outer side of the assembling ring plate.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) the wall pipe in the device is integrally of an assembled structure, two ends of each section of pipe body are respectively and correspondingly provided with an assembling ring plate, the corresponding surfaces of the assembling ring plates are provided with assembling grooves, when the pipe is specifically installed, two adjacent assembling ring plates are abutted, then adjacent inserting plates are correspondingly attached to the groove walls of the corresponding assembling grooves and inserted into the assembling grooves, jacking springs on the corresponding inserting plates are correspondingly installed in the groove bodies and jack the inserting plates up and down to the inner side, and after the inserting plates move to the inner side, clamping heads on the inserting plates are correspondingly clamped in the clamping grooves and correspondingly clamped under the action of the jacking springs, so that the adjacent assembling ring plates on two sides are clamped and fixed together, the inserting plates have elasticity and can be correspondingly inserted and clamped in the clamping grooves, and the integral installation is very convenient and rapid;
(2) the outer side end of the middle inserting plate is also provided with a sealing gasket, and the inserting plate is pressed towards two sides under the action of an internal top pressure spring, so that the sealing device has better sealing property; after the assembling ring plates are installed in a butt joint mode, an inner annular gap and an outer annular gap are reserved in the middle of the assembling ring plates, a waterproof pad is correspondingly installed in the inner gap, the waterproof performance is further improved, a rubber pad is installed in the outer gap, the rubber pad can be detached during detaching, the assembling ring plates on the two sides can be correspondingly separated only by pressing the outer gap towards the inner side through tools such as a pressing rod and the like to deform the inserting plate, the clamping head is correspondingly pulled out of the clamping groove, and detaching is very convenient;
(3) the assembling ring plate in the device is convexly arranged upwards and downwards, so that the arrangement space of the assembling groove can be increased on one hand, and in addition, the internal winding rib and the external winding rib can be correspondingly arranged in a butt joint mode; the surface of tubular product body is provided with outside winding muscle in this device, and the internal surface then is provided with inside winding muscle to the winding discovery of two spiral winding muscle is opposite, and the interval etc. of two winding muscle is the same again, and the outside is just intercrossing weaves including so two winding muscle, can correspondingly increase the intensity of whole tubular product like this, increases compressive capacity, bending resistance ability etc..
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembled ring plate of the present invention;
FIG. 3 is a perspective view of the inner and outer wrap ribs of the present invention;
FIG. 4 is a diagram showing the position of the upper and lower insert plates according to the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, 2, 3 and 4, a bidirectional winding rib composite wall pipe comprises a sectional pipe body 1; two ends of each pipe body 1 are respectively provided with an assembling annular plate 2; the upper end of the assembling ring plate 2 is raised upwards, and the lower end is correspondingly embedded into the pipe body inwards; the outer side end of the assembling ring plate 2 is also provided with a ring-shaped assembling groove 3; the lower end or the upper end of each assembling groove 3 is correspondingly provided with an inserting plate 4 which extends outwards and is arranged annularly; the inserting plates 4 at the corresponding ends of the two adjacent pipe bodies 1 are arranged correspondingly from top to bottom, the end parts of the inserting plates 4 are also provided with clamping heads 5, the clamping head 5 of the inserting plate 4 positioned above is bent upwards, and the clamping head 5 of the inserting plate 4 positioned below is bent downwards; the upper end or the lower end of the bottom of the assembling grooves 3 at the two sides are provided with corresponding clamping grooves 6; and the inserting plates 4 on the two sides are provided with jacking springs 7; the top pressure springs 7 are uniformly arranged at intervals, and the top pressure springs 7 on the upper inserting plate 4 are arranged at the lower ends of the top pressure springs and are vertically arranged downwards; the top pressure spring 7 on the lower inserting plate 4 is arranged on the upper end of the lower inserting plate and is vertically placed; when the assembly grooves 3 on the left side and the right side are in butt joint installation, the clamping heads 5 at the end parts of the inserting plates 4 are correspondingly clamped in the clamping grooves 6, the jacking springs 7 are correspondingly embedded in the assembly grooves 3 of the adjacent assembly ring plates 2, and the inserting plates 4 are vertically and tightly jacked and fixed; the outer surface of the pipe body 1 is provided with a spirally arranged outer winding rib 8 between every two adjacent assembling ring plates 2; and on the inner surface of the pipe body 1, an inner winding rib 9 which is spirally arranged is correspondingly arranged between every two adjacent assembling ring plates 2; and the spiral winding directions of the inner winding rib 9 and the outer winding rib 8 are opposite, and the inner winding rib and the outer winding rib are arranged on the inner surface and the outer surface of the pipe body 1 in an inner-outer cross weaving mode when seen from the perspective direction.
The outer side of each plug board 4 is also provided with a layer of annular sealing gasket 10; the inserting plate 4 is of an elastic inserting plate structure; the thread pitches between the inner winding rib 9 and the outer winding rib 8 are the same; and the inner winding rib 9 and the outer winding rib 8 are protruded inward and outward at the same height, respectively.
Five jacking springs 7 on each inserting plate 4 are uniformly arranged at intervals, and in two adjacent inserting plates 4 which are correspondingly arranged, the jacking springs 7 on the upper inserting plate 4 and the jacking springs 7 on the lower inserting plate 4 are arranged at intervals in a staggered mode.
After two adjacent assembling ring plates 2 are assembled and installed, an inner gap 11 and an outer gap 11 are reserved between the two assembling ring plates 2; a waterproof pad is correspondingly embedded in the inner layer gap 11, and a rubber pad is correspondingly embedded in the outer layer gap 11; the pipe body 1 is arranged at the middle position of the outer side of the assembling ring plate 2.
The wall pipe in the device is of an assembled structure as a whole, the two ends of each section of pipe body are correspondingly provided with the assembling ring plates, the corresponding surfaces of the assembling ring plates are provided with assembling grooves, when the pipe is specifically installed, the two adjacent assembling ring plates are abutted, so that the adjacent inserting plates are correspondingly attached to the groove walls of the corresponding assembling grooves and inserted into the assembling grooves, the jacking springs on the corresponding inserting plates are correspondingly installed in the groove bodies and tightly push the inserting plates up and down towards the inner sides, and after the inserting plates move towards the inner sides, the clamping heads on the inserting plates are correspondingly clamped in the clamping grooves and correspondingly clamped under the action of the jacking springs, so that the assembling ring plates adjacent to the two sides are clamped and fixed together, the inserting plates have elasticity, can be correspondingly inserted and clamped in the clamping grooves, and the whole installation is very convenient and fast.
The outer side end of the middle inserting plate is also provided with a sealing gasket, and the inserting plate is pressed towards two sides under the action of an internal top pressure spring, so that the sealing device has better sealing property; and after the assembly ring plates are installed in a butt joint mode in the device, an inner annular gap and an outer annular gap are reserved in the middle, a waterproof pad is correspondingly installed in the inner gap, the waterproof performance is further improved, a rubber pad is installed in the outer gap, the rubber pad can be detached during detachment, the insertion plates are deformed as long as tools such as a compression bar are pressed inwards from the outer gap, the clamping heads are correspondingly pulled out from the clamping grooves, the assembly ring plates on the two sides can be correspondingly separated, and the detachment is very convenient.
The assembling ring plate in the device is convexly arranged upwards and downwards, so that the arrangement space of the assembling groove can be increased on one hand, and in addition, the internal winding rib and the external winding rib can be correspondingly arranged in a butt joint mode; the surface of tubular product body is provided with outside winding muscle in this device, and the internal surface then is provided with inside winding muscle to the winding discovery of two spiral winding muscle is opposite, and the interval etc. of two winding muscle is the same again, and the outside is just intercrossing weaves including so two winding muscle, can correspondingly increase the intensity of whole tubular product like this, increases compressive capacity, bending resistance ability etc..
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made within the spirit and scope of the invention as claimed should be included in the appended claims.
Claims (6)
1. The utility model provides a two-way winding muscle composite wall pipe which characterized in that: comprising a segmented pipe body (1); the two ends of each pipe body (1) are correspondingly provided with an assembling annular plate (2); the upper end of the assembling ring plate (2) is upwards protruded, and the lower end of the assembling ring plate is correspondingly inwards embedded into the pipe body; the outer side end of the assembling ring plate (2) is also provided with a ring of annular assembling grooves (3); the lower end or the upper end of each assembling groove (3) is correspondingly provided with an inserting plate (4) which extends outwards and is arranged annularly; the inserting plates (4) at the corresponding ends of the two adjacent pipe bodies (1) are arranged in an up-down corresponding mode, the end parts of the inserting plates (4) are respectively provided with a clamping head (5), the clamping head (5) of the inserting plate (4) positioned above is bent upwards, and the clamping head (5) of the inserting plate (4) positioned below is bent downwards; the upper end or the lower end of the bottom of the groove in the assembling grooves (3) at the two sides is also provided with a corresponding clamping groove (6); and the inserting plates (4) on the two sides are also provided with jacking springs (7); the top pressure springs (7) are uniformly arranged at intervals, and the top pressure springs (7) on the upper inserting plate (4) are arranged at the lower ends of the top pressure springs and are vertically arranged downwards; the top pressure spring (7) on the lower inserting plate (4) is arranged on the upper end of the lower inserting plate and is vertically placed; when the left and right assembling grooves (3) are installed in a butt joint mode, the clamping heads (5) at the end parts of the inserting plates (4) are correspondingly clamped in the clamping grooves (6), the jacking springs (7) are correspondingly embedded in the assembling grooves (3) of the adjacent assembling ring plates (2), and the inserting plates (4) are vertically and tightly jacked and fixed; the outer surface of the pipe body (1) is correspondingly provided with a spirally arranged outer winding rib (8) between every two adjacent assembling ring plates (2); and the inner surface of the pipe body (1) is correspondingly provided with a spirally arranged inner winding rib (9) between every two adjacent assembling ring plates (2); and the spiral winding directions of the inner winding rib (9) and the outer winding rib (8) are opposite, and the inner winding rib and the outer winding rib are arranged on the inner surface and the outer surface of the pipe body (1) in an inner-outer cross weaving manner when seen from the perspective direction.
2. The bi-directional twining rib composite wall pipe of claim 1, wherein: the outer side of each inserting plate (4) is also provided with a layer of annular sealing gasket (10); and the inserting plate (4) is of an elastic inserting plate structure.
3. The bi-directional twining rib composite wall pipe of claim 1, wherein: the thread pitches between the inner winding rib (9) and the outer winding rib (8) are the same; and the heights of the inward and outward bulges of the internal winding rib (9) and the external winding rib (8) are the same.
4. The bi-directional twining rib composite wall pipe of claim 1, wherein: five jacking springs (7) on each inserting plate (4) are uniformly arranged at intervals, and in two adjacent inserting plates (4) which are correspondingly arranged, the jacking springs (7) on the upper inserting plate (4) and the jacking springs (7) on the lower inserting plate (4) are arranged at intervals in a staggered mode.
5. The bi-directional twining rib composite wall pipe of claim 1, wherein: after two adjacent assembling ring plates (2) are assembled and installed, an inner gap and an outer gap (11) are reserved between the two assembling ring plates (2); the inner layer gap (11) is correspondingly embedded with a waterproof pad, and the outer layer gap (11) is correspondingly embedded with a rubber pad.
6. The bi-directional twining rib composite wall pipe of claim 1, wherein: the pipe body (1) is arranged in the middle of the outer side of the assembling ring plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617054.4A CN112856078B (en) | 2020-12-30 | 2020-12-30 | Bidirectional winding rib combined wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617054.4A CN112856078B (en) | 2020-12-30 | 2020-12-30 | Bidirectional winding rib combined wall pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112856078A true CN112856078A (en) | 2021-05-28 |
| CN112856078B CN112856078B (en) | 2022-07-29 |
Family
ID=75998777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011617054.4A Active CN112856078B (en) | 2020-12-30 | 2020-12-30 | Bidirectional winding rib combined wall pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112856078B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004032035A1 (en) * | 2002-10-03 | 2004-04-15 | J.S.T.Mfg.Co., Ltd. | Connector for card |
| CN201843812U (en) * | 2010-11-08 | 2011-05-25 | 美的集团有限公司 | Mounting structure of screen cover decorative ring of electric fan |
| CN206571794U (en) * | 2017-03-16 | 2017-10-20 | 佛山市南海再辉不锈钢制品有限公司 | A kind of rectangular tube for being easy to dock |
| CN207761088U (en) * | 2018-01-23 | 2018-08-24 | 张英敏 | A kind of Water-proof, thermal |
| CN208397482U (en) * | 2018-06-26 | 2019-01-18 | 旬阳东信环保设备制造有限公司 | A kind of double-deck axially hollow wall tube material of PVC |
| CN208951489U (en) * | 2018-11-08 | 2019-06-07 | 德士托气动元件有限公司 | A kind of pneumatic joint regulating valve |
| CN209100827U (en) * | 2018-09-27 | 2019-07-12 | 刘如意 | A kind of anti-sedimentation apparatus of gas pipeline |
| CN209389328U (en) * | 2018-11-29 | 2019-09-13 | 江苏华途数控科技有限公司 | A kind of quickly connection aviation plug |
| CN110632722A (en) * | 2019-10-18 | 2019-12-31 | 谢佳伟 | Double-wall corrugated pipe |
| CN210566831U (en) * | 2019-09-12 | 2020-05-19 | 江苏宏亿钢管有限公司 | Compression-resistant precision cold-rolled steel pipe |
| CN210566807U (en) * | 2019-08-01 | 2020-05-19 | 天津星业散热器制造有限公司 | Sealing butt joint for heat-insulating pipe |
| CN211693847U (en) * | 2020-01-08 | 2020-10-16 | 江西强发科技有限公司 | HDPE inner rib adds muscle reinforcing winding pipe |
-
2020
- 2020-12-30 CN CN202011617054.4A patent/CN112856078B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004032035A1 (en) * | 2002-10-03 | 2004-04-15 | J.S.T.Mfg.Co., Ltd. | Connector for card |
| CN201843812U (en) * | 2010-11-08 | 2011-05-25 | 美的集团有限公司 | Mounting structure of screen cover decorative ring of electric fan |
| CN206571794U (en) * | 2017-03-16 | 2017-10-20 | 佛山市南海再辉不锈钢制品有限公司 | A kind of rectangular tube for being easy to dock |
| CN207761088U (en) * | 2018-01-23 | 2018-08-24 | 张英敏 | A kind of Water-proof, thermal |
| CN208397482U (en) * | 2018-06-26 | 2019-01-18 | 旬阳东信环保设备制造有限公司 | A kind of double-deck axially hollow wall tube material of PVC |
| CN209100827U (en) * | 2018-09-27 | 2019-07-12 | 刘如意 | A kind of anti-sedimentation apparatus of gas pipeline |
| CN208951489U (en) * | 2018-11-08 | 2019-06-07 | 德士托气动元件有限公司 | A kind of pneumatic joint regulating valve |
| CN209389328U (en) * | 2018-11-29 | 2019-09-13 | 江苏华途数控科技有限公司 | A kind of quickly connection aviation plug |
| CN210566807U (en) * | 2019-08-01 | 2020-05-19 | 天津星业散热器制造有限公司 | Sealing butt joint for heat-insulating pipe |
| CN210566831U (en) * | 2019-09-12 | 2020-05-19 | 江苏宏亿钢管有限公司 | Compression-resistant precision cold-rolled steel pipe |
| CN110632722A (en) * | 2019-10-18 | 2019-12-31 | 谢佳伟 | Double-wall corrugated pipe |
| CN211693847U (en) * | 2020-01-08 | 2020-10-16 | 江西强发科技有限公司 | HDPE inner rib adds muscle reinforcing winding pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112856078B (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204249813U (en) | A kind of have flexible high pressure fuel case supporting construction | |
| CN112856078B (en) | Bidirectional winding rib combined wall pipe | |
| CN112302691A (en) | Subway shield tunnel damping segment ring suitable for differential settlement and high-intensity earthquake areas | |
| CN111792211A (en) | Floating roof sealing device, floating roof and floating roof tank | |
| CN202546066U (en) | Rubber seal ring for steel strip tube socket and spigot joint | |
| CN215442264U (en) | Assembled drain pipe | |
| CN213627606U (en) | Subway shield tunnel damping segment ring suitable for differential settlement and high-intensity earthquake areas | |
| CN210087989U (en) | Polytetrafluoroethylene filler with stamping resistance | |
| CN215445998U (en) | Bidirectional winding type structure wall pipe | |
| CN219796485U (en) | Quick-dismantling corrugated pipe replacing device | |
| CN112078982A (en) | Floating disc and manufacturing method thereof | |
| CN218150878U (en) | Anti-corrosion sieve tube for oil exploitation | |
| CN212054604U (en) | Packer rubber cylinder | |
| CN213360310U (en) | Tower barrel component with upper and lower barrel sections stably connected | |
| CN214999978U (en) | Plastic steel winding drain pipe connecting mechanism with reinforcing rib structure | |
| CN221097931U (en) | Petroleum pipeline protection structure | |
| CN219886797U (en) | Reinforcing and connecting structure of high-strength PHC tubular pile | |
| CN219559236U (en) | Chemical absorption tower | |
| CN219282403U (en) | Connecting sealing ring for deep sea petroleum drilling and production equipment | |
| CN217105060U (en) | Prefabricated combined pile with reducing structure | |
| CN213017417U (en) | High damping spring vibration isolator | |
| CN218935539U (en) | Corrugated pipe with high compressive strength | |
| CN220510737U (en) | MPP pipe connection structure | |
| CN220865182U (en) | Sunshade curtain extension rod structure convenient to assemble and disassemble | |
| CN221503860U (en) | Air spring dust cover capable of improving axial travel |
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 |