CN113309202B - Drainage pipe for municipal works - Google Patents
Drainage pipe for municipal works Download PDFInfo
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- CN113309202B CN113309202B CN202110633144.0A CN202110633144A CN113309202B CN 113309202 B CN113309202 B CN 113309202B CN 202110633144 A CN202110633144 A CN 202110633144A CN 113309202 B CN113309202 B CN 113309202B
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- pipeline
- fixedly connected
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- block
- sliding
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Sewage (AREA)
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Abstract
The invention discloses a drainage pipeline for municipal engineering, which comprises an outer pipeline, wherein an inner pipeline is arranged on the inner side of the outer pipeline, a supporting block is fixedly connected to the inner wall of the outer pipeline, a buffer plate is arranged at the bottom of the supporting block, the supporting block is jointly and fixedly connected with a reinforcing ring, a sleeve is slidably connected to the outer side of the reinforcing ring, a first spring is fixedly connected between one side of the sleeve and the supporting block, a plurality of first connecting blocks are fixedly connected to the inner wall of the outer pipeline, a plurality of second connecting blocks are fixedly connected to the outer wall of the inner pipeline, connecting rods are arranged on one sides of the first connecting blocks and one side of the second connecting blocks, and turbine blades are arranged on the inner wall of the inner pipeline. According to the invention, the outer pipeline is arranged on the outer side of the inner pipeline for draining water, so that the damage of the inner pipeline caused by overlarge external pressure can be avoided, the inner pipeline can be reinforced, the inner pipeline is prevented from being broken from the inside caused by overlarge water pressure, and simultaneously, the blockage caused by the attachment of mud and sand in sewage to the inner wall of the inner pipeline can be avoided by arranging the turbine blades.
Description
Technical Field
The invention relates to the field of municipal drainage pipelines, in particular to a drainage pipeline for municipal engineering.
Background
In municipal engineering construction, drainage pipelines need to be arranged below the drainage pipelines, but the existing drainage pipelines are common water pipes, after the common water pipes are subjected to external shearing force, the two extruded ends of the common water pipes are easy to burst, so that construction accidents are caused, and in normal drainage, when the internal water pressure is too high, the drainage pipes are easy to deform locally, and even cause local burst.
A municipal drainage pipe as published in Chinese patent application No. CN107940127A3, which solves the problem that the existing municipal drainage pipe is easy to burst by external force and weak in load capacity. The municipal drainage pipeline comprises an inner pipeline and an outer pipeline which are coaxially sleeved, the outer pipeline is a hard pipeline, the inner pipeline is an elastic hose, an annular interval is formed between the inner pipeline and the outer pipeline, a plurality of connecting pipelines are arranged between the inner pipeline and the outer pipeline and communicated with the inner pipeline and the outer pipeline, a first fixing ring is sleeved outside one end connected with the connecting pipeline and the inner pipeline, and a second fixing ring is sleeved outside one end connected with the connecting pipeline and the outer pipeline. Although it is through including pipeline plus install outer pipeline to set up first solid fixed ring and the solid fixed ring of second and protect the inner tube between inner tube and outer pipeline, its whole is rigid connection, does not have buffer, and external pressure directly transmits for the inner tube through outer pipeline, has reduced the protection effect to the inner tube undoubtedly.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a drainage pipeline for municipal engineering, so that the problems in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a drainage pipeline for municipal engineering comprises an outer pipeline, an inner pipeline is arranged on the inner side of the outer pipeline, a plurality of supporting blocks are fixedly connected to the inner wall of the outer pipeline, a buffer plate is arranged at the bottom of each supporting block and is attached to the outer wall of the inner pipeline, a plurality of reinforcing rings are fixedly connected to the supporting blocks together, a plurality of sleeves are slidably connected to the outer side of each reinforcing ring, a first spring is fixedly connected between one side of each sleeve and the supporting block, the first spring sleeve is sleeved on the outer side of the reinforcing ring, the inner wall of the outer pipeline is fixedly connected with a plurality of first connecting blocks, the outer wall of the inner pipeline is fixedly connected with a plurality of second connecting blocks, one side of each of the first connecting blocks and one side of each of the second connecting blocks are respectively provided with a connecting rod, the inner wall of the inner pipeline is fixedly connected with a plurality of first rotating rings, the first rotating rings are internally provided with second rotating rings, and the inner walls of the second rotating rings are fixedly connected with turbine blades.
Preferably, the supporting block includes a first supporting portion, one side of the first supporting portion is fixedly connected with the inner wall of the outer pipeline, the other side of the first supporting portion is fixedly connected with a connecting portion, a fixing hole is formed in the middle of the connecting portion, the fixing hole is fixedly connected with the reinforcing ring, a second supporting portion is arranged on the lower side of the connecting portion, and the cross sections of the first supporting portion and the second supporting portion are both trapezoidal.
Preferably, the downside of second supporting part is equipped with a plurality of dashpot, sliding connection has the buffer block in the dashpot, fixedly connected with second spring between the hole bottom in buffer block and dashpot, the upside fixed connection of one side and buffer board that the second spring was kept away from to the buffer block.
Preferably, both sides of the outer surface of the supporting block are fixedly connected with a plurality of reinforcing ribs.
Preferably, one side of first connecting block is equipped with first slide opening, sliding connection has first slider in the first slide opening, it has the connecting rod to articulate between first slider and the sleeve, the pore wall of first slide opening is equipped with the spacing groove, the outside fixedly connected with spacing ring of first slider, spacing ring and spacing groove sliding connection.
Preferably, one side of the second connecting block is provided with a second sliding hole, a second sliding block is connected in the second sliding hole in a sliding mode, and a connecting rod is hinged between the second sliding block and the sleeve.
Preferably, the inner side of the first rotating ring is provided with a rotating groove, and the second rotating ring is arranged in the rotating groove and is in sliding connection with the rotating groove.
Preferably, the inner wall both sides in rotation groove all are equipped with the fixed slot, the equal fixedly connected with fixed block in both sides of second swivel becket, the fixed block corresponds setting and sliding connection with the fixed slot.
Preferably, the other side of the rotating groove is provided with a first arc-shaped groove, the outer side of the second rotating ring is provided with a second arc-shaped groove, and a plurality of balls are connected between the first arc-shaped groove and the second arc-shaped groove in a rolling manner.
The invention has the advantages that: according to the drainage pipeline for municipal engineering, the outer pipeline is arranged on the outer side of the inner pipeline for drainage, the reinforcing ring, the sleeve and the first spring are arranged between the inner pipeline and the outer pipeline for buffering, so that the pressure outside the outer pipeline or the water pressure inside the inner pipeline can be buffered, the damage to the inner pipeline caused by overlarge external pressure can be avoided, the inner pipeline can be reinforced, the inner pipeline is prevented from being broken from the inside due to overlarge water pressure, and meanwhile, due to the arrangement of the turbine blades, sewage can generate eddy currents, mud and sand in the sewage are prevented from being precipitated, and further, the mud and sand are attached to the inner wall of the inner pipeline to cause blockage.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1;
FIG. 3 is a partial enlarged view of FIG. 2 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is an enlarged view of a portion of FIG. 1 at D;
fig. 6 is a partially enlarged view of fig. 5 at E.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Example 1
As shown in fig. 1 to 6, the municipal drainage pipeline provided by the invention comprises an outer pipeline 1, an inner pipeline 2 is arranged at the inner side of the outer pipeline 1, the outer pipeline 1 and the inner pipeline 2 are both laid underground, the inner pipeline 2 is used for drainage work, the outer pipeline 1 is used for protecting the inner pipeline 2 to avoid the situation that the inner pipeline 2 is broken due to overlarge underground pressure to cause sewage outflow, a plurality of supporting blocks 11 are fixedly connected to the inner wall of the outer pipeline 1, each supporting block 11 comprises a first supporting part 111, one side of each first supporting part 111 is fixedly connected with the inner wall of the outer pipeline 1, the other side of each first supporting part 111 is fixedly connected with a connecting part 112, a second supporting part 113 is arranged at the lower side of each connecting part 112, the cross sections of the first supporting part 111 and the second supporting part 113 are both trapezoidal, and the supporting blocks 11 are arranged in a cavity between the inner pipeline 2 and the outer pipeline 1 to play a supporting role, the side of the first supporting portion 111 with the larger area is fixedly connected with the inner wall of the outer pipe 1, the side of the second supporting portion 113 with the larger area is close to the outer wall of the inner pipe 2, when the outer pipe 1 is pressed by the external pressure, the pressure is transmitted to the connecting portion 112 through the first supporting portion 111 and then transmitted to the outer wall of the inner pipe 2 through the second supporting portion 113, because the side of the second supporting portion 113 with the larger area is close to the outer wall of the inner pipe 2, the stress surface of the outer wall of the inner pipe 2 is increased, the pressure is reduced, the inner pipe 2 is prevented from being crushed, similarly, when the water pressure in the inner pipe 2 is increased to cause the local outward convex deformation of the inner pipe 2, the pressure is transmitted to the connecting portion 112 through the second supporting portion 113 and then transmitted to the first supporting portion 111 through the connecting portion 112, because the side of the first supporting portion 111 with the larger area is fixedly connected with the inner wall of the outer pipe 1, therefore, the pressure applied to the inner wall of the outer pipeline 1 is also reduced, the outer pipeline 1 is prevented from being broken, a plurality of reinforcing ribs 114 are fixedly connected to both sides of the outer surface of the supporting block 11, the reinforcing ribs 114 can further improve the structural strength of the supporting block 11, so that the pressure applied to the outer pipeline 1 and the pressure applied to the inner pipeline 2 are greater, the bottom of the supporting block 11 is provided with the buffer plate 12, the buffer plate 12 is attached to the outer wall of the inner pipeline 2, the supporting block 11 is fixedly connected with a plurality of reinforcing rings 13, the middle part of the connecting part 112 is provided with a fixing hole, the fixing hole is fixedly connected with the reinforcing rings 13, the reinforcing rings 13 can reinforce the inner structure of the outer pipeline 1, so that the structure is more stable, the outer side of each reinforcing ring 13 is slidably connected with a plurality of sleeves 131, a first spring 132 is fixedly connected between one side of each sleeve 131 and the supporting block 11, and the first spring 132 is sleeved on the outer side of each reinforcing ring 13, the inner wall of the outer pipeline 1 is fixedly connected with a plurality of first connecting blocks 3, the outer wall of the inner pipeline 2 is fixedly connected with a plurality of second connecting blocks 4, one side of each of the first connecting blocks 3 and the second connecting blocks 4 is provided with a connecting rod 5, when the outer pipeline 1 is extruded by external pressure, the outer pipeline 1 generates elastic deformation and sinks inwards, so that the connecting rods 5 are pressed through the first connecting blocks 3 to drive the two sleeves 131 to be separated, the two sleeves 131 slide along the reinforcing ring 13 and compress the first spring 132 when being separated, the first spring 132 generates reaction force to offset the pressure outside the outer pipeline 1, so that a buffering effect is achieved, the outer pipeline 1 is prevented from being broken due to overlarge external pressure, similarly, when the water pressure inside the inner pipeline 2 is too large to cause the elastic deformation of the inner pipeline 2 to bulge outwards, the pressure presses the connecting rods 5 through the second connecting blocks, will two sleeves 131 part once more, first spring 132 produces the reaction force and offsets the inside water pressure of inner tube 2, avoid inner tube 2 to break, the first rotating ring 6 of a plurality of inner wall fixedly connected with of inner tube 2, be equipped with second rotating ring 61 in the first rotating ring 6, the inner wall fixedly connected with turbine blade 62 of second rotating ring 61, through set up turbine blade 62 in inner tube 2 at intervals, when can making sewage flow in inner tube 2, rivers drive turbine blade 62 and rotate behind turbine blade 62, turbine blade 62 stirs rivers in turn, make sewage form the vortex, mix the sand and soil in the sewage, avoid the sediment to take place in inner tube 2 including sand and soil, and lead to the jam of inner tube 2 on the inner wall of inner tube 2 including attached to.
The downside of second support portion 113 is equipped with a plurality of buffering hole 1131, sliding connection has buffer block 1132 in the buffer hole 1131, fixedly connected with second spring 1133 between buffer block 1132 and the hole bottom of buffer hole 1131, buffer block 1132 keeps away from one side of second spring 1133 and the upside fixed connection of buffer board 12, through setting up buffer hole 1131 and buffer block 1132, make and leave certain gap between second support portion 113 of interior pipeline 2 and supporting shoe 11, this part gap can be used for acting as the surplus, avoid external pressure to directly transmit the surface to interior pipeline 2 through outer pipeline 1 and supporting shoe 11, and is the same, also can avoid inside water pressure to directly transmit the inner wall for outer pipeline 1 through interior pipeline 2 and supporting shoe 11, slide and further compress second spring 1133 in buffer hole 1131 through buffer block 1132, the reaction force of second spring 1133 can offset partly with external pressure or inside water pressure, the compressive capacity of outer pipeline 1 and interior pipeline 2 has further been improved, avoid leading to the pressure too big and buffer hole between outer pipeline 1 and the interior pipeline 2 because of rigid connection.
One side of the first connecting block 3 is provided with a first sliding hole, a first sliding block 31 is connected in the first sliding hole in a sliding manner, a connecting rod 5 is hinged between the first sliding block 31 and the sleeve 131, the hole wall of the first sliding hole is provided with a limit groove 32, the outer side of the first sliding block 31 is fixedly connected with a limit ring 311, the limit ring 311 is connected with the limit groove 32 in a sliding manner, one side of the second connecting block 4 is provided with a second sliding hole, a second sliding block 41 is connected in the second sliding hole in a sliding manner, a connecting rod 5 is hinged between the second sliding block 41 and the sleeve 131, the first connecting block 3 is internally provided with the limit groove 32, the second connecting block 4 is not internally provided, when the outer pipeline 1 is subjected to external pressure to elastic deformation and is inwards sunken, the first sliding block 31 is driven to press the connecting rod 5 through the first connecting block 3, the two sleeves 131 are driven to be separated, when the two sleeves 131 are separated, the connecting rod 5 on the other side can drive the second sliding block 41 to outwards slide in the second sliding hole, the second connecting block 4 and the inner pipe 2 are not affected, when the inner pipe 2 is elastically deformed to protrude outward due to internal water pressure, the second connecting block 4 drives the second slider 41 to press the connecting rod 5, and then the two sleeves 131 are driven to separate, at this time, the connecting rod 5 on the other side of the two sleeves 131 drives the first slider 31 to slide outward in the first sliding hole, and the limit ring 311 slides in the limit groove 32, when the deformation degree of the inner pipe 2 is too large, and the protrusion is large, the pressure of the second slider 4 on the connecting rod 5 is increased, so that the separation degree of the two sleeves 131 is larger, the first slider 31 further slides in the first sliding hole, the limit ring 311 abuts against the inner wall of the limit groove 32, thereby generating a limit effect, and preventing the two sleeves 131 from further separating, thereby generating a supporting force on the second slider 4 through the connecting rod 5, the reinforcing of 2 outer walls of interior pipeline is realized, avoids the too big pipeline fracture that leads to of the range of interior pipeline 2 deformation.
The inboard of first rotating ring 6 is equipped with rotates groove 63, second rotating ring 61 sets up in rotating groove 63 and with rotating groove 63 sliding connection, the inner wall both sides of rotating groove 63 all are equipped with fixed slot 631, the equal fixedly connected with fixed block 611 in both sides of second rotating ring 61, fixed block 611 and fixed slot 631 correspond the setting and sliding connection, the opposite side of rotating groove 63 is equipped with first arc wall 632, the outside of second rotating ring 61 is equipped with second arc wall 612, roll connection has a plurality of ball 64 between first arc wall 632 and the second arc wall 612, when sewage flows in inner tube 2, sewage drives turbine blade 62 through turbine blade 62 and rotates, turbine blade 62 drives second rotating ring 61 and moves jointly, second rotating ring 61 rotates in the rotating groove 63 of first rotating ring 6, the fixed block 611 of second rotating ring 61 both sides. The same is rotated in fixed slot 631, through setting up fixed block 611 and fixed slot 631, can play the reinforcing effect to second rotating ring 61, it is too big to avoid turbine blade 62 to receive the water pressure of one side, pressure transfer is for second rotating ring 61, make second rotating ring 61 deviate from in rotating the groove 63, through setting up first arc wall 632 and second arc wall 612, and a plurality of ball 64 of roll connection between first arc wall 632 and second arc wall 612, can change the sliding friction between second rotating ring 61 outer wall and the groove bottom of rotating groove 63 into rolling friction, make frictional force littleer, reduced the friction loss between second rotating ring 61 and the rotating groove 63, play the effect that promotes life.
When in use, the outer pipeline 1 and the inner pipeline 2 are both laid underground, the inner pipeline 2 is used for draining water, the outer pipeline 1 is used for protecting the inner pipeline 2, when external pressure extrudes the outer pipeline 1, the outer pipeline 1 is elastically deformed and sunken inwards, the pressure is transmitted to the outer wall of the inner pipeline 2 through the first supporting part 111, the connecting part 112 and the second supporting part 113, because the larger side of the second supporting part 113 is close to the outer wall of the inner pipeline 2, the stress surface of the outer wall of the inner pipeline 2 is increased, the pressure is reduced, the inner pipeline 2 is prevented from being crushed, and the pressure presses the connecting rod 5 through the first connecting block 3, so as to drive the two sleeves 131 to separate and compress the first spring 132, the first spring 132 thereby generates reaction force to counteract the pressure outside the outer pipeline 1, thereby playing a buffering effect, meanwhile, the connecting rod 5 on the other side of the two sleeves 132 drives the second slider 41 to slide outwards in the second sliding hole, thereby not affecting the second connecting block 4 and the inner pipeline 2, similarly, when the water pressure inside of the outer pipeline 2 exceeds the pressure, and the inner wall of the inner pipeline 2 slides outwards through the first supporting part 1, the first supporting part 12, the inner wall of the first connecting rod 131, and the inner pipeline 2, the inner wall of the first supporting part 15, the inner pipeline 2 is reduced, and the inner wall of the inner pipeline 2, the inner wall of the first supporting part of the first connecting rod 131, thereby, when the inner pipeline 2 is compressed, the inner pipeline 2, the inner pipe 2, the first supporting part 31, the inner wall of the first supporting part is compressed by the first supporting part, and the first supporting part 31, when the deformation degree of the inner pipeline 2 is too large, and the protrusion is large, the pressure of the second slider 4 on the connecting rod 5 is increased, the separation degree of the two sleeves 131 is larger, the first slider 31 further slides in the first sliding hole, the limiting ring 311 offsets against the inner wall of the limiting groove 32, so that a limiting effect is generated, the two sleeves 131 are prevented from being further separated, the second slider 4 generates a supporting force through the connecting rod 5, the outer wall of the inner pipeline 2 is reinforced, the pipeline breakage caused by the overlarge deformation range of the inner pipeline 2 is avoided, finally, the turbine blades 62 are arranged in the inner pipeline 2 at intervals, so that the sewage can form a vortex when flowing in the inner pipeline 2, the sand in the sewage is stirred, the sand in the sewage is prevented from being precipitated in the inner pipeline 2, and the sand is attached to the inner wall of the inner pipeline 2 to block the inner pipeline 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a drainage pipe for municipal works, includes outer pipeline (1), its characterized in that: an inner pipeline (2) is arranged on the inner side of the outer pipeline (1), a plurality of supporting blocks (11) are fixedly connected to the inner wall of the outer pipeline (1), a buffering plate (12) is arranged at the bottom of each supporting block (11), the buffering plate (12) is attached to the outer wall of the inner pipeline (2), the supporting blocks (11) are fixedly connected with a plurality of reinforcing rings (13) together, a plurality of sleeves (131) are slidably connected to the outer side of each reinforcing ring (13), a first spring (132) is fixedly connected between one side of each sleeve (131) and each supporting block (11), the first spring (132) is sleeved on the outer side of each reinforcing ring (13), a plurality of first connecting blocks (3) are fixedly connected to the inner wall of the outer pipeline (1), a plurality of second connecting blocks (4) are fixedly connected to the outer wall of the inner pipeline (2), a connecting rod (5) is arranged on one side of each first connecting block (3) and each second connecting block (4), a plurality of first rotating rings (6) are fixedly connected to the inner wall of the inner pipeline (2), a turbine blade (6) is arranged in each first rotating ring, and a second rotating ring (61) is connected to the inner wall of the inner pipeline (61);
a first sliding hole is formed in one side of the first connecting block (3), a first sliding block (31) is connected in the first sliding hole in a sliding mode, a connecting rod (5) is hinged between the first sliding block (31) and the sleeve (131), a limiting groove (32) is formed in the hole wall of the first sliding hole, a limiting ring (311) is fixedly connected to the outer side of the first sliding block (31), and the limiting ring (311) is connected with the limiting groove (32) in a sliding mode;
a second sliding hole is formed in one side of the second connecting block (4), a second sliding block (41) is connected in the second sliding hole in a sliding mode, and a connecting rod (5) is hinged between the second sliding block (41) and the sleeve (131);
a rotating groove (63) is formed in the inner side of the first rotating ring (6), and the second rotating ring (61) is arranged in the rotating groove (63) and is in sliding connection with the rotating groove (63);
fixing grooves (631) are formed in two sides of the inner wall of the rotating groove (63), fixing blocks (611) are fixedly connected to two sides of the second rotating ring (61), and the fixing blocks (611) are arranged corresponding to the fixing grooves (631) and are connected in a sliding mode;
the other side of the rotating groove (63) is provided with a first arc-shaped groove (632), the outer side of the second rotating ring (61) is provided with a second arc-shaped groove (612), and a plurality of balls (64) are connected between the first arc-shaped groove (632) and the second arc-shaped groove (612) in a rolling manner.
2. The municipal drainage pipeline according to claim 1, wherein: the supporting shoe (11) includes first supporting part (111), one side of first supporting part (111) and the inner wall fixed connection of outer pipeline (1), the opposite side fixedly connected with connecting portion (112) of first supporting part (111), the middle part of connecting portion (112) is equipped with the fixed orifices, fixed orifices and beaded finish (13) fixed connection, the downside of connecting portion (112) is equipped with second supporting part (113), the cross-section of first supporting part (111) and second supporting part (113) all sets up to trapezoidal.
3. The municipal drainage pipeline according to claim 2, wherein: the downside of second supporting part (113) is equipped with a plurality of buffer hole (1131), sliding connection has buffer block (1132) in buffer hole (1131), fixedly connected with second spring (1133) between the hole bottom of buffer block (1132) and buffer hole (1131), the upside fixed connection of one side and buffer board (12) of second spring (1133) is kept away from in buffer block (1132).
4. The municipal drainage pipeline according to claim 2, wherein: and a plurality of reinforcing ribs (114) are fixedly connected to the two sides of the outer surface of the supporting block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633144.0A CN113309202B (en) | 2021-06-07 | 2021-06-07 | Drainage pipe for municipal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633144.0A CN113309202B (en) | 2021-06-07 | 2021-06-07 | Drainage pipe for municipal works |
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| Publication Number | Publication Date |
|---|---|
| CN113309202A CN113309202A (en) | 2021-08-27 |
| CN113309202B true CN113309202B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110633144.0A Active CN113309202B (en) | 2021-06-07 | 2021-06-07 | Drainage pipe for municipal works |
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| CN (1) | CN113309202B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29713844U1 (en) * | 1997-08-02 | 1997-11-13 | Knipping Daniel | Device for pressing pipe end areas |
| CN106245750A (en) * | 2016-08-25 | 2016-12-21 | 成都铭利特生物科技有限公司 | A kind of anti-blocking soil pipe having agitator |
| CN211231890U (en) * | 2019-12-27 | 2020-08-11 | 江苏润硕管业有限公司 | Reinforced drainage plastic pipe |
| CN212294959U (en) * | 2020-03-16 | 2021-01-05 | 胡雷业 | Fixing device is used in municipal works drainage pipe construction |
| CN212510027U (en) * | 2020-04-24 | 2021-02-09 | 陈迪 | Resistance to compression formula PE pipe for building |
-
2021
- 2021-06-07 CN CN202110633144.0A patent/CN113309202B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29713844U1 (en) * | 1997-08-02 | 1997-11-13 | Knipping Daniel | Device for pressing pipe end areas |
| CN106245750A (en) * | 2016-08-25 | 2016-12-21 | 成都铭利特生物科技有限公司 | A kind of anti-blocking soil pipe having agitator |
| CN211231890U (en) * | 2019-12-27 | 2020-08-11 | 江苏润硕管业有限公司 | Reinforced drainage plastic pipe |
| CN212294959U (en) * | 2020-03-16 | 2021-01-05 | 胡雷业 | Fixing device is used in municipal works drainage pipe construction |
| CN212510027U (en) * | 2020-04-24 | 2021-02-09 | 陈迪 | Resistance to compression formula PE pipe for building |
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| Publication number | Publication date |
|---|---|
| CN113309202A (en) | 2021-08-27 |
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