CN206786216U - Used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations - Google Patents
Used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations Download PDFInfo
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- CN206786216U CN206786216U CN201720538907.2U CN201720538907U CN206786216U CN 206786216 U CN206786216 U CN 206786216U CN 201720538907 U CN201720538907 U CN 201720538907U CN 206786216 U CN206786216 U CN 206786216U
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Abstract
The utility model belongs to building sewage, discharge of wastewater technical field, HDPE plumbing installations are flexibly connected more particularly to a kind of used in construction drainage plough groove type pressure ring, including pipe fitting I, tubing II and its attachment structure, the connection end of pipe fitting I and tubing II is respectively equipped with groove, and certain interval is provided between the end face of pipe fitting I and the connection end of tubing II；The attachment structure of pipe fitting I and tubing II is yoke configurations, yoke configurations include pressure ring and the W type sealing rings to match with pressure ring, pressure ring is formed by connecting by two halves part snap-fit and by fastener, include pressure ring body per part pressure ring, the inverted trapezoidal groove of W type sealing rings is accommodated for matching, and the flange with set groove Corresponding matching clamping on pipe fitting I, tubing II, the fixing end of pressure ring body two is provided with boss, is matched and fastened by jog on its contact surface, and is correspondingly provided with mounting hole.The utility model is safe and reliable, hygienic environment-protecting, cost-effective, possesses and well comprehensively uses characteristic and distinct economic.
Description
Technical field
The utility model belongs to building sewage, discharge of wastewater technical field, more particularly to a kind of used in construction drainage groove
Formula pressure ring is flexibly connected HDPE plumbing installations, suitable for gravity dirt, waste water drainage system in building.
Background technology
Existing architectural drainage system is mostly comprising the metal tube and PVC pipeline including cast iron pipe with pipeline.With regard to cast iron pipe
With respectively have advantage and disadvantage for pvc pipe, wherein cast iron pipe is anti-extrusion, anti-wear performance is good, but phase weight weight, transport and installation inconvenience,
And corrosion resistance itself is poor, its service life is influenceed；Pvc pipe fluid resistance is small, in light weight, but anti-extrusion poor performance,
Influence its service life.Therefore, research and design is a kind of safe and reliable, and hygienic environment-protecting is cost-effective, possesses good and comprehensively makes
With characteristic and significant economic benefit, and widely used gravity is dirty, discharge of wastewater pipe fitting structure, be those skilled in the art urgently
The technical problem of solution.
The content of the invention
The technical problems to be solved in the utility model is exactly to overcome above-mentioned the deficiencies in the prior art, and a kind of safety of offer can
Lean on, hygienic environment-protecting is cost-effective, possesses good and comprehensively uses characteristic and significant economic benefit, and widely used
Used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
Design a kind of used in construction drainage plough groove type pressure ring flexible connection HDPE plumbing installations, including pipe fitting I, tubing II and its
Attachment structure, the connection end of the pipe fitting I and tubing II are respectively equipped with groove, and set groove dimensions on pipe fitting I and tubing II
Unanimously, certain interval is provided between the end face of pipe fitting I and the connection end of tubing II；The attachment structure of the pipe fitting I and tubing II is card
Cuff structure, the yoke configurations include pressure ring and the W type sealing rings that match with pressure ring, wherein pressure ring by two halves part snap-fit simultaneously
It is formed by connecting by fastener, includes pressure ring body per part pressure ring, is provided with pressure ring body internal surface and is used to match receiving W types
The inverted trapezoidal groove of sealing ring, it is provided with and set groove Corresponding matching clamping on pipe fitting I, tubing II in inverted trapezoidal groove both sides
Flange, while boss is provided with the fixing end of pressure ring body two, set by the half part fixing end of pressure ring two on the contact surface of boss
Matched and fastened by jog, while the mounting hole for grafting fastener is correspondingly provided with the boss；The pipe fitting I, pipe
Material II is managed for HDPE, and the pressure ring is ABS pressure rings or equivalent engineering plastics pressure ring, and the W types sealing ring is ethylene propylene diene rubber
Sealing ring.
Preferably, it is flexibly connected in above-mentioned used in construction drainage plough groove type pressure ring in HDPE plumbing installations, the pipe fitting I, pressure
Ring is injection molding, and tubing II is extrusion molding tubing.
Preferably, it is flexibly connected in above-mentioned used in construction drainage plough groove type pressure ring in HDPE plumbing installations, the pipe fitting I is real
Wall pipe fitting, tubing II are double-deck axially hollow wall tube material or solid-wall pipe.
Preferably, it is flexibly connected in above-mentioned used in construction drainage plough groove type pressure ring in HDPE plumbing installations, the HDPE manages it
Material HDPE density is 0.94 g/cm3~0.965g/cm3。
Preferably, it is flexibly connected in above-mentioned used in construction drainage plough groove type pressure ring in HDPE plumbing installations, the width of the groove
Spend for 9mm, the depth bounds of groove is 1.5~3.1mm, and distance of the outer ledge away from end face of groove is 14mm.
Preferably, it is flexibly connected in above-mentioned used in construction drainage plough groove type pressure ring in HDPE plumbing installations, the public affairs of the pipe fitting
Diameter range is referred to as 50~200mm；The wall thickness range of pipe fitting is 3.2~8.7mm.
The beneficial effect of technical solutions of the utility model is：
1st, in structure, pipe fitting used in the utility model is according to standard GB/T/T13663-2000《Feed water with highly dense
Spend polyvinyl piping materials》PE80 grade SDR17, SDR23 series as defined in external diameter, size, wall thickness and material characteristic requirements it is interior
Appearance is designed and produced, and tube wall is thicker than general plastic drainage pipeline, has more excellent impact resistance and resistance to pressure, its anti-impact
Hit intensity reaches more than 12Kg-cm/cm,（It is 8 times of UPVC or so）, therefore press it is not flat, unbreakable, brittle temperature up to -80 DEG C with
Under, tubing is not easy to embrittlement under low temperature environment.Thus voltage endurance capability is strong -- and it is safe to use secure.
2nd, in structure, the utility model HDPE（High density polyethylene (HDPE)）Pipe fitting and tubing use high intensity HDPE（It is highly dense
Spend polyethylene）The special pressure ring of material is fastenedly connected, and junction intensity is equally firm, after tested, with 100 meters of high water column pressures
（1Mpa）Continue 100 hours, pressure ring junction remains intact.Thus it is very suitable for using the HDPE pipes of pressure ring flexible connection
Skyscraper substitutes traditional cast iron pipe.The rain pipe for doing skyscraper is also quite preferable.In being built available for 240m.It is thus anti-
Impact capacity is excellent, and be particularly suitable for use in high-rise use.
3rd, in structure, the utility model is applied to drainage system, and scientific structure design is reasonable；Groove is used between pipeline
COMPRESSIONTYPE is flexibly connected, it is characterized in that public by tightness using the outer surface of c-type ethylene-propylene-diene monomer cushion rubber internal diameter and pipe end
Difference coordinates, and generation tension force is close to and rubber ring inside C-shaped ring shape empty pocket produces internal pressure, and made of high intensity HDPE materials
Special pressure ring fastening positioning, so as to realize triple seal between pipe fitting, it is ensured that seal for pipe joints and be connected firmly.Thus sealing
It is good -- it is safe and reliable.
4th, in structure, the utility model trench drain system for field uses mechanical connection manner, operation letter when constructing
It is single, it is quick for installation, without any special technique, without groove equipment during construction.Do not limited by construction environment, weather and temperature etc.
Make, need not be assembled in order in installation process, different floors can construct simultaneously, and construction speed greatly improved, in practice it has proved that：Compared with
Cast iron pipe is compared, and the engineering time at least shortens more than half.Thus installation and easy to maintenance, simple -- installing/dismounting is simply just
It is prompt.
5th, in structure, the utility model uses plough groove type pressure ring flexible connection mode, and tubing and pipe fitting are reusable,
Each tie point is both axle point and service ports, can dismantle, be suitable for the flexible change in future, without increase additionally into
This.Thus practicality and economic value are high -- economize on resources, good economy performance.
6th, in addition, being based on HDPE（High density polyethylene (HDPE)）The good characteristic of material in itself, pipe fitting, tubing or pressure ring are having
Following characteristic is also equipped with during body use：Wearability and anti-stress cracking are good, service life length；Possess super-silent characteristic,
Living quality in maintenance room；Hydraulic characteristic(s) is excellent, and conveying capacity is strong；Antiacid alkali is corrosion-resistant, stable chemical performance；Material weight
Gently, transport installation is easy；Pipe fitting ductility is good, and interface flexibility is strong, possesses good shock-resistance features, anti-adverse environment ability；
With superior heat resistance, and Applicable temperature scope and region are extensive.And environmental protection, recyclable recycling；Safety and sanitation,
Production process is pollution-free, uses the nontoxic no dirt of process.
7th, in summary, trench drain pipe-line system is invested, transports installation cost for the first time from engineering, installation and maintenance are changed
Expense, service life life-span Comprehensive Comparison, plough groove type HDPE sewerage systems are compared with other tubing, securely and reliably,
Hygienic environment-protecting, it is cost-effective, possess good and comprehensively use characteristic and significant economic benefit.It facts have proved：With PVC pipeline
System is compared with cast iron pipe, and construction investment 2/3rds or so can be reduced between 50 years.In addition, it is widely portable to skyscraper height
Shelves residential quarters, advanced villa, luxurious hotel, hotel apartment, hospital and health center, experimental center and research institute building and
Bridge is overhead, highway and other have shockproof requirement area and building etc..Thus safe and reliable, hygienic environment-protecting is comprehensive
Valency possesses good and comprehensively use characteristic and significant economic benefit, and be widely used, suitable multi-field use than high.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structural representation that the utility model used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations；
Fig. 2 is the groove end structure schematic diagram of the pipe fitting I or tubing II shown in Fig. 1；
Fig. 3 is the structural representation of half of pressure ring shown in Fig. 1；
Fig. 4 is the overlooking the structure diagram of half of pressure ring shown in Fig. 3；
Sequence number in figure：1st, pipe fitting I, 2, tubing II, 3, groove, 5, W type sealing rings, 6, pressure ring body, 7, inverted trapezoidal it is recessed
Groove, 8, flange, 9, boss, 10, mounting hole；
De, pipe fitting nominal diameter, H, the wall thickness of pipe fitting, W, the width of groove, h, the depth of groove, H1, slot wedge
Distance away from end face.
Embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but following examples simply use
To describe the utility model in detail, the scope of the utility model is not limited in any way, it is involved in the examples below
Instrument element unless otherwise instructed, be conventional instrument element.
Embodiment one：
Referring to Fig. 1-4, in figure, the utility model used in construction drainage plough groove type pressure ring flexible connection HDPE plumbing installations, bag
Include pipe fitting I 1, tubing II 2 and its attachment structure.The connection end of pipe fitting I and tubing II is respectively equipped with groove 3, pipe fitting I and tubing II
Certain interval is provided between the end face of connection end, and set groove dimensions are completely the same on pipe fitting I and tubing II.Pipe fitting I, tubing II
For high density polyethylene (HDPE)（HDPE）Pipe.
The attachment structure of pipe fitting I and tubing II is yoke configurations, and yoke configurations include pressure ring and the W types to match with pressure ring
Sealing ring 5, wherein pressure ring are formed by connecting by two halves part snap-fit and by fastening bolt.Include pressure ring body 6 per part pressure ring,
Pressure ring body internal surface be provided be used for match accommodate W type sealing rings inverted trapezoidal groove 7, inverted trapezoidal groove both sides be provided with
The flange 8 of set groove Corresponding matching clamping on pipe fitting I, tubing II, while boss 9 is provided with the fixing end of pressure ring body two, press
Matched and fastened by jog on the contact surface of boss set by the half part fixing end of ring two, while use is correspondingly provided with the boss
In the mounting hole 10 of grafting fastening bolt.Pressure ring is ABS pressure rings or equivalent engineering plastics pressure ring；W types sealing ring is EPDM
Rubber seal.
Specifically, the nominal diameter De scopes of pipe fitting are 50~200mm；The wall thickness H scope of pipe fitting is 3.2~8.7mm.
The density that HDPE manages its material HDPE is 0.94 g/cm3~0.965g/cm3.The width W of groove is 9mm, the depth h models of groove
Enclose for 1.5~3.1mm, distance H1 of the edge far from end face of groove is 14mm（Pipe fitting both ends are respectively equipped with groove）.Pipe fitting I, card
It is primary raw material that joint and tubing II, which are bound round, with polyvinyl resin, through mold injection or extrusion molding.For the nominal outside diameter of tubing II
For tri- kinds of specifications of 110mm, 160mm, 200mm, used in construction drainage high density polyethylene (HDPE) can be selected as needed（HDPE）It is double-deck
Axially hollow wall tube material（Abbreviation hollow wall tubing) or used in construction drainage high density polyethylene (HDPE)（HDPE）Solid-wall pipe（Referred to as real wall
Tubing）Machine-shaping.And for pipe fitting I, tubing II that nominal diameter is two kinds of specifications of 50mm, 75mm, then need from building
Draining high density polyethylene (HDPE)（HDPE）Solid-wall pipe（Abbreviation solid-wall pipe）Machine-shaping.
When the utility model is specifically used, possesses following good characteristic：
1st, it is environmentally friendly -- recyclable recycling；Safety and sanitation, production process is pollution-free, uses the nontoxic no dirt of process.
2nd, service life is grown
Wearability is good：The experiment of the Contrast of Wear Resistance of HDPE pipelines and steel pipe shows that the wearability of HDPE pipelines is the 4 of steel pipe
Times.This means HDPE pipelines have longer service life and more preferable economy.
HDPE anti-stress crackings are good：HDPE has low notch sensitivity, high shear strength and excellent scratch-resistant
Ability, environmental stress cracking resistance are also very prominent.Buried pipeline is also without outer layer protection.
3rd, living quality in super-silent-maintenance room
HDPE belongs to elastomeric material, and modulus of elasticity is low, and density is small, and energy limit avoids noise, prevents noise transmission.HDPE is managed
Material wall thickness matter is soft and flexible, and vibration damping and de-noising effect are more excellent.And plough groove type pressure ring flexible connection mode, can be to various interior
Noise caused by external impacts and current significantly cut down or even completely cut off, and fullys meet super-silent standard.
4th, hydraulic characteristic(s) is excellent -- and conveying capacity is strong
HDPE pipelines have smooth inner surface, and its roughness N values are only 0.008-0.009, and small flow resistance is smooth
Surface and non-adherence properties ensure that HDPE pipelines have the conveying capacity higher compared with traditional piping material, while also reduce the pressure of pipeline
Power is lost and water delivery energy consumption.Compare cast iron pipe, and under the conditions of equal caliber, conveying capacity improves more than 30%.
5th, chemical stabilization -- antiacid alkali is corrosion-resistant
HDPE has excellent corrosion resistance, because ingredient polyethylene is the insulator of electricity, therefore will not change
Learn and electrochemical corrosion phenomenon.Resist inside and outside portion and microbiologic(al) corrosion, non-scaling in pipe, breed bacteria, liverwort, do not belong to environmental protection
Type product.
6th, material is in light weight -- and transport installation is easy
HDPE tubing material density is small（About 950KG/ cubic meters）, weight ratio water is light, and pipe workpiece quality is equivalent to common metal
The 1/8 of pipe, cost of transportation is low, is easy to transport and installs, and expense can reduce 30%-50% compared with traditional piping material.
7th, tubing ductility is good, and interface flexibility is strong -- good shock-resistance features, anti-adverse environment ability
HDPE tubing category flexible pipes, ductility is good, and elongation at break is up to more than 500%, Tensile strength up to 250Kg/
More than cm2, Pipe installing is convenient, and snake laying can be used, easy avoiding obstacles, be easy to lay and save tubing, adapt to ground
Base poor condition and settlement of foundation (coastal area, lake region and mining area), pipe performance is with the obvious advantage.
8th, temperature tolerance is good -- it is adapted for use with each area in the whole nation
HDPE has superior heat resistance, its softening point be 124 DEG C, about 126~136 DEG C of fusing point, its brittle temperature about-
Less than 80 DEG C, its normal working temperature can be used safely in -60-60 DEG C of temperature ranges.Of short duration exhaust temperature can reach 95 DEG C
It is unaffected above, no matter north and south temperature and climate difference, construction and use it is all unaffected.Its Applicable temperature scope and ground
Domain is extensive.
9th, voltage endurance capability is strong -- and it is safe to use secure
Standard tubing and pipe fitting are according to standard GB/T/T13663-2000《Feedwater hdpe pipe》It
External diameter as defined in PE80 grade SDR17, SDR23 series, size, the content of wall thickness and material characteristic requirements are designed and given birth to
Production, tube wall is thicker than general plastic drainage pipeline, has more excellent impact resistance and resistance to pressure, and its impact strength reaches 12Kg-
More than cm/cm,（It is 8 times of UPVC or so）, therefore press not flat, unbreakable, brittle temperature reaches less than -80 DEG C, under low temperature environment
Tubing is not easy to embrittlement.
10th, impact resistance is excellent -- and high level is using Looking behind, there is no anxiety
HDPE tubing is fastenedly connected using the special pressure ring of high intensity HDPE materials, and junction intensity is equally firm, through upper
Sea market architecture science research institute tests, with 100 meters of high water column pressures（1Mpa）Continue 100 hours, pressure ring junction has been kept
It is good.Skyscraper is thus very suitable for using the HDPE pipes of pressure ring flexible connection and substitutes traditional cast iron pipe.Do skyscraper
Rain pipe it is also quite preferable.In being built available for 240m.
11st, good airproof performance -- it is safe and reliable, without concern about disclosure
It is reasonable for drainage system, scientific structure design；It is flexibly connected between pipeline using groove COMPRESSIONTYPE, it is characterized in that
Using the outer surface of c-type ethylene-propylene-diene monomer cushion rubber internal diameter and pipe end by tightness tolerance fit, produce tension force be close to and
C-shaped ring shape empty pocket produces internal pressure, and the special pressure ring fastening positioning made of high intensity HDPE materials inside rubber ring, so as to real
Triple seal between existing pipe fitting, it is ensured that seal for pipe joints and be connected firmly.
12nd, install and easy to maintenance, simple -- installing/dismounting is simply convenient
Trench drain system for field uses mechanical connection manner when constructing, simple to operate, quick for installation, without any spy
Different technology, without hot melting equipment during construction.Do not limited by construction environment, weather and temperature etc., need not in order in installation process
Assembling, different floors can construct simultaneously, and construction speed greatly improved, in practice it has proved that：Compared compared with cast iron pipe, the engineering time is at least
Shorten more than half.
13rd, practicality and economic value are high -- economize on resources, good economy performance
Using plough groove type pressure ring flexible connection mode, tubing and pipe fitting are reusable, each tie point be both axle point again
It is service ports, can dismantles, be suitable for the flexible change in future, without the extra cost of increase.
14th, synthesis is cost-effective -- it is adapted to multi-field use
Trench drain pipe-line system is invested, transports installation cost, installation and maintenance renewal cost, using week for the first time from engineering
Life-span phase Comprehensive Comparison, plough groove type HDPE sewerage systems are compared with other tubing, securely and reliably, hygienic environment-protecting, property
Valency possesses good and comprehensively uses characteristic and significant economic benefit than high.It facts have proved：With PVC pipeline system and cast iron
Pipe is compared, and construction investment 2/3rds or so can be reduced between 50 years.
In addition, it is widely portable to skyscraper high-end residential cell, advanced villa, luxurious hotel, hotel apartment, hospital
With health center, experimental center and research institute building and bridge be overhead, highway and other have shockproof requirement area and
Building etc..Thus it is widely used.
The utility model is described in detail above in conjunction with drawings and examples, still, the skill of art
Art personnel, can also be to each specific in above-described embodiment it is understood that on the premise of the utility model aims are not departed from
Parameter is changed, and forms multiple specific embodiments, is common excursion of the present utility model, no longer detailed one by one herein
State.
Claims (6)
1. a kind of used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations, including pipe fitting I, tubing II and its connection knot
Structure, it is characterized in that：The connection end of the pipe fitting I and tubing II is respectively equipped with groove, and set groove chi on pipe fitting I and tubing II
It is very little consistent, certain interval is provided between the end face of pipe fitting I and the connection end of tubing II；The attachment structure of the pipe fitting I and tubing II is
Yoke configurations, the yoke configurations include pressure ring and the W type sealing rings to match with pressure ring, and wherein pressure ring is by two halves part snap-fit
And be formed by connecting by fastener, include pressure ring body per part pressure ring, be provided with pressure ring body internal surface and be used to match receiving W
The inverted trapezoidal groove of type sealing ring, it is provided with and set groove Corresponding matching clamping on pipe fitting I, tubing II in inverted trapezoidal groove both sides
Flange, while be provided with boss in the fixing end of pressure ring body two, the contact surface of boss set by the half part fixing end of pressure ring two
Upper matched by jog is fastened, while the mounting hole for grafting fastener is correspondingly provided with the boss；The pipe fitting I,
Tubing II is managed for HDPE, and the pressure ring is ABS pressure rings or equivalent engineering plastics pressure ring, and the W types sealing ring is ethylene-propylene-diene monomer
Glue sealing ring.
2. used in construction drainage plough groove type pressure ring according to claim 1 is flexibly connected HDPE plumbing installations, it is characterized in that：Institute
State pipe fitting I, pressure ring is injection molding, tubing II is extrusion molding tubing.
3. used in construction drainage plough groove type pressure ring according to claim 1 is flexibly connected HDPE plumbing installations, it is characterized in that：Institute
It is solid wall pipe part to state pipe fitting I, and tubing II is double-deck axially hollow wall tube material or solid-wall pipe.
4. used in construction drainage plough groove type pressure ring according to claim 1 is flexibly connected HDPE plumbing installations, it is characterized in that：Institute
It is 0.94 g/cm to state HDPE and manage its material HDPE density3~0.965g/cm3。
5. used in construction drainage plough groove type pressure ring according to claim 1 is flexibly connected HDPE plumbing installations, it is characterized in that：Institute
The width for stating groove is 9mm, and the depth bounds of groove is 1.5~3.1mm, and distance of the outer ledge away from end face of groove is
14mm。
6. used in construction drainage plough groove type pressure ring according to claim 1 is flexibly connected HDPE plumbing installations, it is characterized in that：Institute
The nominal diameter scope for stating pipe fitting is 50~200mm；The wall thickness range of pipe fitting is 3.2~8.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538907.2U CN206786216U (en) | 2017-05-16 | 2017-05-16 | Used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538907.2U CN206786216U (en) | 2017-05-16 | 2017-05-16 | Used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206786216U true CN206786216U (en) | 2017-12-22 |
Family
ID=60711585
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720538907.2U Active CN206786216U (en) | 2017-05-16 | 2017-05-16 | Used in construction drainage plough groove type pressure ring is flexibly connected HDPE plumbing installations |
Country Status (1)
| Country | Link |
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| CN (1) | CN206786216U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895242A (en) * | 2018-07-06 | 2018-11-27 | 太仓市鼎祥五金制品厂 | A kind of pipe fitting with filtering function |
| CN110822188A (en) * | 2018-08-08 | 2020-02-21 | 王小兵 | Pipeline connecting piece without clamping and pressing |
| CN114059642A (en) * | 2021-11-25 | 2022-02-18 | 中铁建设集团华东工程有限公司 | Construction method for flexibly connecting HDPE (high-density polyethylene) drain pipe by ABS (acrylonitrile butadiene styrene) compression ring |
-
2017
- 2017-05-16 CN CN201720538907.2U patent/CN206786216U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895242A (en) * | 2018-07-06 | 2018-11-27 | 太仓市鼎祥五金制品厂 | A kind of pipe fitting with filtering function |
| CN110822188A (en) * | 2018-08-08 | 2020-02-21 | 王小兵 | Pipeline connecting piece without clamping and pressing |
| CN114059642A (en) * | 2021-11-25 | 2022-02-18 | 中铁建设集团华东工程有限公司 | Construction method for flexibly connecting HDPE (high-density polyethylene) drain pipe by ABS (acrylonitrile butadiene styrene) compression ring |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 453322 Sanitation Equipment Park of Fengqiu County Lifting Industry Cluster Area, Xinxiang City, Henan Province Patentee after: Henan Zawa new material Limited by Share Ltd Address before: 453322 Sanitation Equipment Park of Fengqiu County Lifting Industry Cluster Area, Xinxiang City, Henan Province Patentee before: Henan Zhong Ze new material Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |