CN108252388B - A kind of sewer mounting structure and dredging method - Google Patents
A kind of sewer mounting structure and dredging method Download PDFInfo
- Publication number
- CN108252388B CN108252388B CN201810132762.5A CN201810132762A CN108252388B CN 108252388 B CN108252388 B CN 108252388B CN 201810132762 A CN201810132762 A CN 201810132762A CN 108252388 B CN108252388 B CN 108252388B
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- China
- Prior art keywords
- block
- spray head
- intermediate conduit
- sewer
- transmission pipeline
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- 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.)
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Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
Abstract
The invention discloses a kind of sewer mounting structure and dredging methods, its drip irrigation device includes that intensification block is respectively and fixedly provided on the inside of transmission pipeline upper and lower ends described in transmission pipeline and intermediate conduit, annular groove corresponding with block position is deepened is equipped on the outside of transmission pipeline upper and lower ends, upper and lower ends on the inside of intermediate conduit are set by control chamber, set in control chamber there are two about intermediate conduit inner cavity centrosymmetric semi-circular shape clamping block, clamping block is driven to slide along the radial direction of inner cavity by transmission mechanism and is caught in annular groove, and it is equipped in intermediate conduit and washes away spray head, when dredging the sewer of such mounting structure, first dredge and then dredged using heavy caliber high pressure spray head in advance to deepening the channel that surrounds of pipeline to washing away spray head and supply water, finally spray head is washed away in use to rush to the channel that pipeline surrounds is deepened It washes, the present invention has sewer convenient for disassembly and assembly, and dredging sewer is more convenient and dredges thorough function.
Description
Technical field
The present invention relates to municipal drainage fields, and more specifically it is related to a kind of sewer mounting structure and dredging method.
Background technique
In the municipal drainage system in city, sewer is indispensable important component, is discharge Water Network system
Basic component units and connection hinge in system.
If Fig. 1 is a kind of sewer mounting structure, including connecting tube 112, delivery pipe 111 is inserted at 112 both ends of connecting tube, defeated
Pipe 111 is sent to be fixedly connected by welding with connecting tube 112, the sewer using the installation of this mounting means is needing to tear open
When being replaced or safeguarded except part sewer, disassembly is difficult, is unfavorable for the replacement and maintenance of sewer.
Summary of the invention
In view of the deficienciess of the prior art, the present invention one of them be designed to provide a kind of sewer mounting structure,
Have the function of that sewer is convenient for disassembly and assembly.
To achieve the above object, the present invention provides the following technical scheme that a kind of sewer mounting structure, including transfer tube
Be respectively and fixedly provided with intensification block on the inside of transmission pipeline upper and lower ends described in road and intermediate conduit, the transmission pipeline upper and lower ends it is outer
Side is equipped with and deepens the corresponding annular groove in block position, and the upper and lower ends on the outside of the intermediate conduit are respectively and fixedly provided with control block, and two
Control chamber be connected with the inner cavity of intermediate conduit is equipped in a control block, set in the control chamber there are two about intermediate tube
The clamping block of the centrosymmetric semi-circular shape of the inner cavity in road, the clamping block are driven by transmission mechanism along the radial direction side of control chamber
To sliding, the internal diameter of clamping block is equal to the internal diameter of annular groove, and the outer diameter of clamping block is greater than the outer diameter of annular groove, the axial direction of control chamber
Length is equal with the axial length of annular groove, and the thickness of clamping block is equal to the axial length of control chamber, and the clamping block outer layer is
Rubber layer.
By using above-mentioned technical proposal, the connection procedure of transmission pipeline and intermediate conduit are as follows: by one end of transmission pipeline
It is inserted into intermediate conduit, after annular groove is corresponding with control chamber position, clamping block sliding is driven by transmission mechanism, so that two
Clamping block moves toward one another, and when two clamping blocks mutually abut formation completely annular, annular groove is located at when two clamping blocks are equal
With in control chamber and clamping block is abutted with the two side walls up and down of annular groove, thus limit nothing of the transmission pipeline by clamping block
Method is separated with intermediate conduit, and clamping block outer layer is that rubber layer is completely embedded transmission pipeline with intermediate conduit, and sewage is not
Easily reserved from the gap of transmission pipeline and intermediate conduit.
When removing transmission pipeline, only clamping block need to be driven by transmission mechanism, so that clamping block is separated with annular groove,
So that the dismounting of transmission pipeline is convenient, convenient for safeguarding and replacement.
The present invention is further arranged to: the side that two clamping blocks in the same control chamber mutually deviate from is fixed with
Bearing block, the transmission mechanism include the rolling bearing being embedded in the bearing block, and interference fit has control in the rolling bearing
Bar processed, the control-rod other end stretch out control chamber and are fixed with runner, and the control-rod is threadedly coupled with control block.
By using above-mentioned technical proposal, control-rod can be rotated by runner and control-rod is threadedly coupled with control block, from
And clamping block is able to drive in control-rod rotation along axial movement i.e. the radially sliding along control chamber of control-rod.
The present invention is further arranged to: the transmission pipeline upper and lower ends are respectively and fixedly provided with locating piece, the locating piece and phase
The distance between adjacent end face of transmission pipeline is equal to the distance between intermediate conduit end face and adjacent control chamber.
By using above-mentioned technical proposal, when locating piece is abutted with the end face of intermediate conduit, annular groove and control chamber position
Correspondence is set, so that people come without moving back and forth transmission pipeline so that annulus when connecting transmission pipeline with intermediate conduit
Slot is corresponding with control chamber, improves the efficiency that transmission pipeline is connect with intermediate conduit, so that the connection of the two is more convenient.
The present invention is further arranged to: the upper and lower ends of the intermediate conduit are threaded with retaining ring, the positioning
Block is equipped with the locking slot for the annular that can be threadedly coupled with retaining ring, and the thickness of the retaining ring is less than intermediate conduit end face and phase
The distance between adjacent control block.
It can after transmission pipeline is limited by clamping block to be extracted out of intermediate mass by using above-mentioned technical proposal
Retaining ring to be connect with locking slot, so that transmission pipeline is connect with intermediate conduit by retaining ring again, lost in clamping block
When going effect, retaining ring enables to transmission pipeline and clamping block that can not separate so that transmission pipeline and clamping block by
Dual connection, connection is stronger, and the thickness of retaining ring is less than the distance between intermediate conduit end face and adjacent control block,
When transmission pipeline is inserted into intermediate conduit, it can be rotated retaining ring and make end face of the retaining ring without departing from intermediate conduit and influence
The connection of transmission pipeline insertion intermediate conduit.
The present invention is further arranged to: the upper and lower ends of the transmission pipeline are equipped with chamfering.
By using above-mentioned technical proposal, chamfering enables to play guiding work when transmission pipeline is inserted into intermediate conduit
With so that transmission pipeline insertion intermediate conduit is more convenient.
One of them is designed to provide a kind of dredging sewer method to the present invention, and there is dredging to use above-mentioned mounting structure
And more laborsaving function when laterally disposed sewer.
To achieve the above object, the present invention provides the following technical scheme that the sewer of 6 mounting structures is weighed in a kind of use
Dredging method,
Step 1: it supplies water to the spray head that washes away in intermediate conduit so that washing away spray head to each channel deepening block and being surrounded
Fixed point is carried out to wash away；
Step 2: the water supply to spray head is washed away is closed, entire sewer is washed away using bigbore high-pressure nozzle
Dredging.
It is too small by deepening the channel bore that block is surrounded by using above-mentioned technical proposal, deepen block and is surrounded
Channel blockage when tamper is even closer compared to other places of sewer is more difficult to clear up, if with common bigbore
High-pressure nozzle, which wash away, to be easy to happen hydraulic pressure not enough and can not dredge the case where deepening the channel that block 3 is surrounded, therefore to whole
A sewer takes bigbore high-pressure nozzle dredging preceding first to spray head water supply is washed away, so that bore is lesser to wash away spray head utilization
The biggish characteristic of its hydraulic pressure is dredged in advance by the channel that block is surrounded is deepened, then entire with the dredging of bigbore high-pressure nozzle again
Sewer, so that dredging sewer is more convenient efficiently.
The present invention is further arranged to: being supplied water again to the spray head that washes away in intermediate conduit after step 2, to intensification block
The channel surrounded carries out flush clean.
It is smaller by deepening the channel that block is surrounded by using above-mentioned technical proposal, if deepening the channel that block is surrounded
Remaining rubbish is more after dredging is easy to block again, once washes away spray head in experience and washes away and washes away with heavy caliber high pressure spray head
Afterwards, the rubbish connection deepened in the channel that is surrounded of block is no longer close, can be enclosed block is deepened using washing away spray head again at this time
At channel in rubbish clean out and enable to deepen the channel cleanup that is surrounded of block and be thoroughly not easy to block again.
In conclusion the invention has the following advantages that
1. the position of clamping block is controlled by runner, so that transmission pipeline and intermediate conduit are convenient for disassembly and assembly, it is convenient for safeguarding, and
Transmission pipeline and intermediate conduit are again coupled to so that transmission pipeline and intermediate conduit are connected firmly and are not readily separated by retaining ring；
2. being dredged in advance to the channel that block surrounds is deepened so that subsequent use big mouth by the small spray head that makes up the number of bore
The high-pressure nozzle of diameter can be more convenient by whole sewer line dredging when being dredged.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one of background technique sewer mounting structure；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of transmission pipeline and intermediate conduit separation in the embodiment of the present invention one；
Fig. 4 is one schematic diagram of internal structure of the embodiment of the present invention；
Fig. 5 is enlarged diagram of the Fig. 4 at A；
Fig. 6 is the structural schematic diagram for highlighting the clamping block in the embodiment of the present invention one.
Description of symbols: 1, transmission pipeline；2, intermediate conduit；3, deepen block；4, annular groove；5, control block；6, it controls
Chamber；7, clamping block；8, bearing block；9, control-rod；10, runner；11, rubber layer；12, locating piece；13, retaining ring；14, it locks
Slot；15, rolling bearing；17, spray head is washed away；111, delivery pipe；112, connecting tube.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one
The invention discloses a kind of sewer mounting structures, as shown in Figure 2 and Figure 3, including transmission pipeline 1, transmission pipeline 1
Lower end is connected with intermediate conduit 2, transmission pipeline 1 and 2 clearance fit of intermediate conduit.
As shown in Figure 3, Figure 4,1 outside of transmission pipeline is recessed with adding for annular close to the position of its upper and lower ends inwardly
Deep trouth, and intensification block 3 corresponding with slot is deepened is formed inside transmission pipeline 1.
As shown in Figure 4, Figure 5,2 inside of intermediate conduit is convexly equipped with the control of annular close to the outside of its upper and lower ends outward
Chamber 6 processed, and control block 5 corresponding with control chamber 6 is formed outside intermediate conduit 2, the axial length and annular groove 4 of control chamber 6
Axial length it is equal, the centrosymmetric clamping block 7 there are two about 2 inner cavity of intermediate conduit is all provided in two control chambers 6, together
The side fixed bearing block 8 that two clamping blocks 7 in one control chamber 6 mutually deviate from, bearing block 8 are embedded with rolling bearing 15, turn
Interference fit has control-rod 9 in dynamic bearing 15, and 9 other end of control-rod passes through control chamber 6 and stretches out outside control chamber 6, stretches out control
Runner 10 is fixed on control-rod 9 outside chamber 6, control-rod 9 is connect with the sidewall thread of control chamber 6, is by rotation control rod 9
Clamping block 7 may make to slide in control chamber 6.
As shown in figs. 4 and 6, the card of clamping block 7 is semi-circular shape, may make clamping block 7 along control by rotation control rod 9
Bar 9 slides axially, and can form annulus when two clamping blocks 7 mutually abut.
As shown in figs. 3 and 5, the internal diameter of clamping block 7 is slightly larger than the internal diameter of annular groove 4, the circle that the outer diameter of clamping block 7 is greater than
The outer diameter of annular groove 4, when annular groove 4 is moved to it is corresponding with control chamber 6 after lever for adjusting oil 9 make two clamping blocks 7 mutually abut,
Clamping block 7 is located in control chamber 6 and annular groove 4 simultaneously at this time, so that limited by clamping block 7 can not for transmission pipeline 1
It is extracted out of intermediate conduit 2.
As shown in Figure 5, Figure 6, the outer layer of clamping block 7 is rubber layer 11, and clamping block 7 and annular groove 4 are interference fitted, rubber layer
11, which can play sealing function, is completely embedded transmission pipeline 1 with intermediate conduit 2, and sewage is not easy from transmission pipeline 1 and centre
Gap outflow between pipeline 2.
As shown in Figure 4, Figure 5, it is equipped with chamfering in the upper and lower ends of transmission pipeline 1, so that transmission pipeline 1 is inserted into intermediate tube
It is more convenient in road 2.
As shown in Figure 3, Figure 4, it is respectively and fixedly provided with locating piece 12 close to the position of its upper and lower ends in transmission pipeline 1, two fixed
Position block 12 is located between two intensification slots, and the distance between locating piece 12 and the adjacent end face of transmission pipeline 1 are equal to intermediate tube
The distance between 2 end face of road and adjacent control chamber 6, so that when locating piece 12 is abutted with the end face of intermediate conduit 2, annular groove
4 is corresponding with 6 position of control chamber, installs control block 5 convenient for people, annular groove 4 and control are made without moving back and forth transmission pipeline 1
Chamber 6 is corresponding.
As shown in Figure 3, Figure 4, it is threaded with retaining ring 13 in the upper and lower ends of intermediate conduit 2, retaining ring 13 is located at
Between the end face of intermediate conduit 2 and adjacent control block 5, the outside of retaining ring 13 is equipped with external screw thread, and being equipped on locating piece 12 can
The locking slot 14 for the annular being threadedly coupled with the external screw thread of retaining ring 13, transmission pipeline 1 can not be therefrom by the limitation of clamping block 7
Between extract in pipeline 2 after, retaining ring 13 can be connect with locking slot 14, so that transmission pipeline 1 passes through locking with intermediate conduit 2
Ring 13 connects again, and when clamping block 7 is ineffective, retaining ring 13 enables to transmission pipeline 1 and clamping block 7 to be not easy point
From so that transmission pipeline 1 and clamping block 7 are by dual connection, connection is stronger, and the thickness of retaining ring 13 is less than
The distance between 2 end face of intermediate conduit and adjacent control block 5 can be by retaining rings before transmission pipeline 1 is inserted into intermediate conduit 2
13 rotations are so that it will not exceed the end face of intermediate conduit 2, so that retaining ring 13 will not influence the positioning of annular groove 4.
As shown in Figure 4, Figure 5, two groups are equipped between two control chambers 6 inside intermediate conduit 2 and wash away spray head 17, every group
The intensification block 3 adjacent close to adjacent control chamber 6 and when direction transmission pipeline 1 is connected with intermediate conduit 2 of spray head 17 is washed away to be enclosed
At channel, it is four and to be evenly distributed, and each washing away spray head 17 is small-bore high pressure spray that every group, which is washed away spray head 17,
The water pressure of head, ejection is larger and impact force is strong, and the water supplying pipe (not shown) for washing away spray head 17 is located at the outer of intermediate conduit 2
The water supplying pipe for washing away spray head 17 in portion and different intermediate conduits 2 is mutually indepedent, so that people are not easy when removing intermediate conduit 2
It is influenced by the water supplying pipe for washing away spray head 17.
Specific installation process: first rotating retaining ring 13, so that end face of the retaining ring 13 without departing from transmission pipeline 1, then
Transmission pipeline 1 is inserted into intermediate conduit 2, when locating piece 12 is abutted with 2 end face of intermediate conduit, rotating wheel 10 makes two
Clamping block 7 moves toward one another until clamping block 7 is abutted with the bottom of annular groove 4, and two clamping blocks 7 are located at annular groove simultaneously at this time
4 and control chamber 6 in and clamping block 7 abutted with the two side walls up and down of annular groove 4 so that transmission pipeline 1 and intermediate tube
The connection of road 2 is not readily separated, and then retaining ring 13 is transferred in locking slot 14 so that transmission pipeline 1 and intermediate conduit 2 simultaneously also by
Connection to retaining ring 13 is not readily separated.
Specific demolishing process: first rotating retaining ring 13 separates it with locking slot 14, and then rotating wheel 10 to be clamped
Block 7 is mobile to the side far from annular groove 4, so that transmission pipeline 1 is no longer influenced by the clamping of clamping block 7, so as to transmit
Pipeline 1 and intermediate conduit 2 separate, and are conveniently replaceable.
Embodiment two
A kind of dredging sewer method, this method are used to dredge the sewer using one mounting structure of embodiment,
Step 1: as shown in Figure 4.To in intermediate conduit 2 wash away spray head 17 supply water so that wash away spray head 17 to each plus
The channel that deep block 3 is surrounded carries out fixed point and washes away；
Step 2: closing and supply water to the spray head 17 that washes away in intermediate conduit 2, using bigbore high-pressure nozzle under entire
Water channel carries out washing away dredging；
Step 3: it supplies water to the spray head 17 that washes away in intermediate conduit 2, is rushed to the channel that block 3 is surrounded is deepened again
Brush cleaning.
It is too small by deepening the channel bore that block 3 is surrounded, deepen tamper phase when the channel blockage that block 3 is surrounded
It is even closer compared with other places of sewer to be more difficult to clear up, if wash away with common bigbore high-pressure nozzle it is easy
There is a situation where hydraulic pressure can not enough dredge the channel deepening block 3 and being surrounded, therefore washes away spray head in intermediate conduit 2 first
17 supply water washes away so that washing away 17 pairs of spray head and deepening the preparatory fixed point of channel progress that block 3 is surrounded, and the bore for washing away spray head 17 is small
Pressure, which can would be much more convenient greatly, will efficiently deepen the channel that is surrounded of block 3 and dredge, and be then shut off in intermediate conduit 2
Wash away spray head 17 water supply, entire sewer is carried out using bigbore high-pressure nozzle to wash away dredging, so that entire sewer
Then dredging is supplied water to the spray head 17 that washes away in intermediate conduit 2 again, carry out flush clean to the channel that block 3 is surrounded is deepened,
So that the channel cleanup that intensification block 3 is surrounded more completely is not easy to block again.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, all in design structure of the invention
Within think of, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of sewer mounting structure, including transmission pipeline (1) and intermediate conduit (2), it is characterised in that: the transmission pipeline
(1) it is respectively and fixedly provided on the inside of upper and lower ends and deepens block (3), be equipped with and deepen on the outside of transmission pipeline (1) upper and lower ends
The corresponding annular groove (4) in block (3) position, the upper and lower ends on the outside of the intermediate conduit (2) are respectively and fixedly provided with control block (5), and two
The control chamber (6) be connected with the inner cavity of intermediate conduit (2) is equipped in the control block (5), the control chamber (6) is interior set there are two
The clamping block (7) of the centrosymmetric semi-circular shape of inner cavity about intermediate conduit (2), the clamping block (7) is by transmission mechanism
The radial direction along control chamber (6) is driven to slide, the internal diameter of clamping block (7) is equal to the internal diameter of annular groove (4), clamping block (7)
Outer diameter is greater than the outer diameter of annular groove (4), and the axial length of control chamber (6) is equal with the axial length of annular groove (4), clamping block
(7) thickness is equal to the axial length of control chamber (6), and clamping block (7) outer layer is rubber layer (11), the same control chamber
(6) side that two clamping blocks (7) in are mutually deviated from is fixed with bearing block (8), and the transmission mechanism includes insertion institute
The rolling bearing (15) in bearing block (8) is stated, interference fit has control-rod (9), the control-rod in the rolling bearing (15)
(9) other end stretches out control chamber (6) and is fixed with runner (10), and the control-rod (9) is threadedly coupled with control block (5).
2. a kind of sewer mounting structure according to claim 1, it is characterised in that: the transmission pipeline (1) up and down two
End is respectively and fixedly provided with locating piece (12), during the distance between the end face of the locating piece (12) and adjacent transmission pipeline (1) is equal to
Between the distance between pipeline (2) end face and adjacent control chamber (6).
3. a kind of sewer mounting structure according to claim 2, it is characterised in that: above and below the intermediate conduit (2)
Both ends are threaded with retaining ring (13), and the locating piece (12) is equipped with the annular that can be threadedly coupled with retaining ring (13)
The thickness of locking slot (14), the retaining ring (13) is less than the distance between intermediate conduit (2) end face and adjacent control block (5).
4. a kind of sewer mounting structure according to claim 1, it is characterised in that: above and below the transmission pipeline (1)
Both ends are equipped with chamfering.
5. a kind of sewer mounting structure according to claim 1, it is characterised in that: two inside the intermediate conduit
It is equipped with two groups between control chamber and washes away spray head, every group is washed away spray head close to adjacent control chamber and be directed toward transmission pipeline and intermediate tube
The channel that road intensification block adjacent when connecting is surrounded, every group is washed away spray head and is four and is evenly distributed, and each wash away spray
Head is small-bore spray head.
6. a kind of dredging method of the sewer using claim 5 mounting structure, it is characterised in that:
Step 1: it supplies water to the spray head that washes away in intermediate conduit so that washing away spray head to each channel progress deepening block and being surrounded
Fixed point is washed away；
Step 2: the water supply to spray head is washed away is closed, entire sewer is carried out using bigbore high-pressure nozzle to wash away dredging.
7. a kind of dredging method of sewer according to claim 6, it is characterised in that: again to centre after step 2
Spray head water supply is washed away in pipeline, carries out flush clean to the channel that block is surrounded is deepened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132762.5A CN108252388B (en) | 2018-02-09 | 2018-02-09 | A kind of sewer mounting structure and dredging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132762.5A CN108252388B (en) | 2018-02-09 | 2018-02-09 | A kind of sewer mounting structure and dredging method |
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| Publication Number | Publication Date |
|---|---|
| CN108252388A CN108252388A (en) | 2018-07-06 |
| CN108252388B true CN108252388B (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810132762.5A Active CN108252388B (en) | 2018-02-09 | 2018-02-09 | A kind of sewer mounting structure and dredging method |
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| CN (1) | CN108252388B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487889B (en) * | 2018-12-18 | 2020-10-02 | 浙江坤宇建设有限公司 | Prevent municipal drainage pipe of jam |
| CN111335438B (en) * | 2020-03-23 | 2021-02-19 | 武汉一念元环境科技有限公司 | Smooth and unimpeded drainage pipe network for drainage facility |
| CN113668708B (en) * | 2021-08-13 | 2023-01-03 | 宁波大学科学技术学院 | Steel construction wall beam column connected node mechanism |
| CN115178506B (en) * | 2022-06-27 | 2023-08-04 | 温州市城南市政建设维修有限公司 | Continuous cleaning device and continuous cleaning method for dust on surface of green belt |
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| DE3317228A1 (en) * | 1983-05-11 | 1984-11-15 | Erich 4270 Dorsten Sterzel | Drainage channel, in particular gutter or drainpipe |
| CN1307198A (en) * | 2000-01-25 | 2001-08-08 | 国统国际股份有限公司 | Measurable axial force-resisting steel pipe joint |
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| CN202559495U (en) * | 2012-04-12 | 2012-11-28 | 湖南深拓智能设备股份有限公司 | Anti-blocking elbow |
| CN206582397U (en) * | 2017-03-23 | 2017-10-24 | 绍兴柯桥骏达针纺织品有限公司 | A kind of underground water pipeline being easily installed |
| CN206918479U (en) * | 2017-07-25 | 2018-01-23 | 温州正鑫管业有限公司 | A kind of new type stainless steel. corrosion resistance clamp-press type connector for pipeline |
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|---|---|---|---|---|
| DE3317228A1 (en) * | 1983-05-11 | 1984-11-15 | Erich 4270 Dorsten Sterzel | Drainage channel, in particular gutter or drainpipe |
| CN1307198A (en) * | 2000-01-25 | 2001-08-08 | 国统国际股份有限公司 | Measurable axial force-resisting steel pipe joint |
| KR100975388B1 (en) * | 2010-01-28 | 2010-08-11 | (주)효원엔지니어링 | Separation prevention structure of water pipe with under the ground |
| CN202559495U (en) * | 2012-04-12 | 2012-11-28 | 湖南深拓智能设备股份有限公司 | Anti-blocking elbow |
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| CN108252388A (en) | 2018-07-06 |
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