CN110486560A - A kind of house feedwater piping - Google Patents
A kind of house feedwater piping Download PDFInfo
- Publication number
- CN110486560A CN110486560A CN201910760723.4A CN201910760723A CN110486560A CN 110486560 A CN110486560 A CN 110486560A CN 201910760723 A CN201910760723 A CN 201910760723A CN 110486560 A CN110486560 A CN 110486560A
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- pipe
- plastic layer
- straight tube
- mounting groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
- F16L47/065—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket, the sealing rings being placed previously on the male part
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention relates to a kind of pipelines for building, in particular to a kind of house feedwater piping, including straight tube and bend pipe, straight tube includes the first copper pipe and the first plastic layer, bend pipe includes the second copper pipe and the second plastic layer, first plastic layer and the second plastic layer are wrapped in the outside of the first copper pipe and the second copper pipe respectively, the slot of annular is offered close to the end of the second plastic layer of the second copper pipe, the end of first copper pipe and the first plastic layer is inserted into slot, the end of second copper pipe is in the conical pipe that external port diameter gradually tapers up, the end of first copper pipe has the conical pipe matched with the second copper pipe End.During straight tube and bend pipe are installed, since the end that the first copper pipe and the second copper pipe are mutually inserted cooperation is conical pipe, first copper pipe is during insertion, when the end of first copper pipe and the end of the second copper pipe contact, gap between first copper pipe and the second copper pipe is larger, therefore the mating difficulty of straight tube and bend pipe can be substantially reduced, installation effectiveness is promoted.
Description
Technical field
The present invention relates to a kind of pipeline for building, in particular to a kind of house feedwater piping.
Background technique
In house feedwater piping, complex copper modeling feedwater piping is a kind of novel water-feeding pipes, is managed during water supply
Less scaling and also bacteria can be prevented from growing in road, especially heat-proof water conveys, free from extraneous odour, gradually becomes house feedwater piping
Mainstream selection.It is typically all to pass through matched connection accessory to be attached that complex copper, which moulds feed pipe in the connection of pipe bent position, real
Now seal.
It is special that the mounting structure of existing complex copper modeling feed pipe can refer to the invention that Authorization Notice No. is CN101158428B
Benefit, including straight tube and bend pipe, are copper pipe on the inside of straight tube and bend pipe, and one layer of plastic layer, the end of straight tube are wrapped up in the outside of copper pipe
Head outer diameter is less than the end outer diameter of bend pipe.Slot is offered on the plastic layer at bend pipe both ends, is inserted into slot after straight tube is heated
It is interior, and on the inside of the copper pipe of the copper pipe insertion straight tube of bend pipe, realize the docking of straight tube and bend pipe.
It is in place of the deficiencies in the prior art, since straight tube is inserted into slot in the state of hot melt, the copper of straight tube
The copper pipe outer tube diameter of caliber and bend pipe is not much different in managing, therefore difficulty is larger during docking, once docking time mistake
The long plastic layer that will cause hot melt turns cold, to influence the effect of hot-melting sealed.
Summary of the invention
The object of the present invention is to provide a kind of house feedwater piping, having reached reduces the effect that straight tube docks difficulty with bend pipe
Fruit.
Foregoing invention purpose one of the invention has the technical scheme that
A kind of house feedwater piping, including straight tube and bend pipe, straight tube include the first copper pipe and the first plastic layer, and bend pipe includes second
Copper pipe and the second plastic layer, the first plastic layer and the second plastic layer are wrapped in the outside of the first copper pipe and the second copper pipe respectively, patch
The end of second plastic layer of nearly second copper pipe offers the slot of annular, and the end insertion of the first copper pipe and the first plastic layer is inserted
In slot, the end of the second copper pipe is in the conical pipe that external port diameter gradually tapers up, and the end of the first copper pipe has and the second copper pipe
The conical pipe of matching ends.
By using above-mentioned technical proposal, during installing straight tube and bend pipe, due to the first copper pipe and the second copper pipe
The end for being mutually inserted cooperation is conical pipe, and the first copper pipe is during insertion, the end of the first copper pipe and the second copper pipe
When end contacts, the gap between the first copper pipe and the second copper pipe is larger, therefore can substantially reduce the grafting of straight tube and bend pipe
Cooperate difficulty, promotes installation effectiveness.
The present invention is further arranged to: multiple mounting grooves is offered on the circumferential surface of the end of the second copper pipe, mounting groove is uniform
Interval setting, the mounting groove are opening at the second copper pipe terminal；The inside protrusion of first copper pipe is provided with gag lever post, described
Gag lever post is corresponding with the position of mounting groove.
Gag lever post is utilized during the first copper pipe being installed and the second copper pipe cooperates by using above-mentioned technical proposal
With the limit mating reaction of mounting groove, it is able to ascend the smooth degree of the first copper pipe and the installation cooperation of the second copper pipe.
The present invention is further arranged to: the mounting groove Spiral distribution is on the lateral wall of the second copper pipe.
By using above-mentioned technical proposal, after mounting groove Spiral distribution, the first copper pipe and the second copper pipe are in installation
Relative position afterwards is relatively stable, even if being not easy between the first copper pipe and the second copper pipe mutually when by along axial pulling force
It is detached from.
The present invention is further arranged to: rubber strip is provided on the inside of the first copper pipe, the rubber strip is flexible material system
At one end of rubber strip is fixedly connected with gag lever post.
By using above-mentioned technical proposal, after the first copper pipe and the second copper pipe mutually mating completion, rubber strip
It can be placed in mounting groove, the cavity in mounting groove is blocked, promote the sealing between the first copper pipe and the second copper pipe
Property.
The present invention is further arranged to: fixed link, the fixed link and rubber are further fixedly arranged on the inside of the first copper pipe
Item is clamped far from one end of gag lever post, and fixed link is located at intermediate position of first copper pipe far from gag lever post.
By using above-mentioned technical proposal, the setting of fixed link can positioning rubber item, guarantee rubber strip in the first copper pipe
The stability of the position of inside.
The present invention is further arranged to: the seal groove of annular is offered on the outside of the second copper pipe, seal groove far from mounting groove,
Sealing ring is filled in seal groove.
By using above-mentioned technical proposal, the setting of seal groove and sealing ring be able to ascend the first copper pipe and the second copper pipe it
Between leakproofness.
Foregoing invention purpose two of the invention has the technical scheme that
A kind of installation method of house feedwater piping, comprising the following steps:
S1, in the slot of straight tube insertion bend pipe end, the conical pipe of the first copper pipe will be promoted until medial surface the second bronze medal of fitting
The lateral surface of the conical pipe of pipe；
S2, straight tube and bend pipe are heated in the first plastic layer of stitching portion and the second plastic layer, using outer in heating process
Portion's heating, and the second plastic layer is squeezed during heating.
By using above-mentioned technical proposal, the cooperation of straight tube and bend pipe is more convenient, and installation difficulty is low, and in step S2
It is middle using outside heating by the way of, the stability being bonded after the first plastic layer and the second plastics melting layer is able to ascend, to mention
Rise the leakproofness of straight tube and bend pipe.
The present invention is further arranged to: in step sl, gag lever post, the second copper pipe is fixedly installed on the inside of the first copper pipe
On offer the mounting groove of spiral, during straight tube and bend pipe are installed, gag lever post is aligned mounting groove, rotate straight tube or
Swing bend pipe installs gag lever post to final position along mounting groove.
By using above-mentioned technical proposal, the first copper pipe and the second copper pipe utilize the peace of spiral setting during installation
Tankage is positioned with gag lever post, is able to ascend the stability of the first copper pipe and the installation of the second copper pipe, in straight tube by axial direction
When pulling force, the first copper pipe also can reduce and a possibility that the second copper pipe is mutually disengaged.
In conclusion the present invention has following technical effect that
1, it by the conical pipe for being arranged to work in coordination by the copper pipe End of straight tube and bend pipe, greatly reduces straight tube and bend pipe is pacified
The difficulty of dress；
2, by opening up mounting groove on the second copper pipe and protrude above setting gag lever post in the first copper pipe, improve straight tube with it is curved
The smooth degree of pipe installation；
3, spiral by the way that mounting groove to be arranged, reach the stability for promoting straight tube with bend pipe after mating.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of embodiment one；
Fig. 2 is the diagrammatic cross-section for highlighting the detonation configuration of gag lever post and mounting groove.
In figure, 1, straight tube；11, the first copper pipe；111, gag lever post；112, rubber strip；113, fixed link；12, the first plastics
Layer；2, bend pipe；21, the second copper pipe；211, mounting groove；212, seal groove；213, sealing ring；22, the second plastic layer；221, it inserts
Slot.
Specific embodiment
Embodiment one:
As shown in Figure 1, this embodiment describes a kind of house feedwater piping, including straight tube 1 and bend pipe 2, straight tube 1 be plugged on it is curved
Two ends of pipe 2, i.e., be connected to two straight tubes 1 by bend pipe 2.
As shown in Figure 1, straight tube 1 includes the first copper pipe 11 and the first plastic layer 12, bend pipe 2 includes the second copper pipe 21 and second
Plastic layer 22, the first plastic layer 12 and the second plastic layer 22 are wrapped in the outside of the first copper pipe 11 and the second copper pipe 21 respectively, patch
The end of second plastic layer 22 of nearly second copper pipe 21 offers the slot 221 of annular, the first copper pipe 11 and the first plastic layer 12
End insertion slot 221 in.Before straight tube 1 is inserted into slot 221, the end of straight tube 1 can be heated, guarantee first
Plastic layer 12 is in soft state, straight tube 1 is directly inserted into slot 221 later, so that the first plastic layer 12 and the second plastics
Layer 22 contacts, and is sealed after solidification is gradually bonded with the second plastic layer 22.After can also be in the insertion slot 221 of straight tube 1,
The first plastic layer 12 and the second plastic layer 22 are heated in outside, so that the first plastic layer 11 and the softening of the second plastic layer 12
Fitting, to reach sealing effect.
As shown in Figure 1, the end of the second copper pipe 21 is in the conical pipe that external port diameter gradually tapers up, the end of the first copper pipe 11
Portion has the conical pipe with 21 matching ends of the second copper pipe.In this way in the process of installation the first copper pipe 11 and the second copper pipe 21
In, when the end of the end of the first copper pipe 11 and the second copper pipe 21 contacts, the gap between the first copper pipe 11 and the second copper pipe 21
It is larger, therefore the mating difficulty of straight tube 1 and bend pipe 2 can be substantially reduced, promote installation effectiveness.In addition, by the second copper pipe
21 end can be set into beyond the second plastic layer 22, thus more convenient first copper pipe 11 be aligned with the second copper pipe 21 into
Row grafting.
Since the end of the first copper pipe 11 and the second copper pipe 21 is respectively provided with tapered pipe, in the first copper pipe 11 and the second copper pipe
21 during installation, and in the stage for just starting installation, the installation gap between the first copper pipe 11 and the second copper pipe 21 is larger,
It is easy to produce shaking.As shown in Fig. 2, in order to promote the mounting stability of the first copper pipe 11 and the second copper pipe 21, it can be second
Open up multiple mounting grooves 211 on the circumferential surface of the end of copper pipe 21, the setting of 211 uniform intervals of mounting groove, the mounting groove 211 is the
Two copper pipes, 21 end point is opening；The inside protrusion of first copper pipe 11 is provided with gag lever post 111, the gag lever post 111 and installation
The position of slot 211 is corresponding.During the first copper pipe 11 and the second copper pipe 21 are installed, gag lever post 111 and mounting groove are utilized
211 limit mating reaction is able to ascend the degree of stability of the first copper pipe 11 and the installation cooperation of the second copper pipe 21, reduces straight tube 1
With the shaking degree of bend pipe 2, the smooth degree of installation is promoted.
As shown in Fig. 2, can also by mounting groove 211 according to spiral distribution on the lateral wall of the second copper pipe 21, in this way
If, during installing straight tube 1, straight tube 1, which needs to rotate relative to bend pipe 2, just can guarantee that gag lever post 111 is suitable along mounting groove 211
Benefit decentralization, straight tube 1 is also needed after installation relative to the rotation of bend pipe 2 to separate the second copper pipe 21 for the first copper pipe 11, therefore
The installation strength of straight tube 1 and bend pipe 2 is higher, more stable, even if when straight tube 1 is by along axial pulling force, the first copper pipe 11
It is also not easy to be mutually disengaged between the second copper pipe 21.
After opening up mounting groove 211, the leakproofness between the first copper pipe 11 and the second copper pipe 21 be can decrease, to mention
Leakproofness is risen, as shown in Fig. 2, can be provided with rubber strip 112 in the inside of the first copper pipe 11, the rubber strip 112 is flexibility
Material is made, and one end of rubber strip 112 is fixedly connected with gag lever post 111.It is mutually plugged in the first copper pipe 11 and the second copper pipe 21
After cooperation is completed, rubber strip 112 can be placed in mounting groove 211, be blocked to the cavity in mounting groove 211, be promoted
Leakproofness between first copper pipe 11 and the second copper pipe 21.
As shown in Fig. 2, mounting groove 211 is preferably the slot of 21 side wall of the second copper pipe of non-through, i.e. mounting groove 211 has slot
In this case bottom after rubber strip 112 is located in mounting groove 211, can guarantee the stability of rubber strip 112, avoid rubber strip
112 are detached from mounting groove 211.
As shown in Fig. 2, fixed link 113 can also also be fixedly installed in the inside of the first copper pipe 11, the fixed link 113 with
The one end of rubber strip 112 far from gag lever post 111 is the clamping connection that can be mutually disengaged, and fixed link 113 is located at the first copper pipe 11
Intermediate position far from gag lever post 111.The setting of fixed link 113 can positioning rubber item 112 so that rubber strip 112 is in fixation
In exceptionally straight state is tensed between bar 113 and gag lever post 111, guarantee position of the rubber strip 112 on the inside of the first copper pipe 11
Stability.As gag lever post 111 enters mounting groove 211, rubber strip 112 can also enter in mounting groove 211, and rubber strip 112 can be from
Before exceptionally straight linear state is transformed into the helical form being accommodated in mounting groove 211, at this time rubber strip 112 and fixed link 113
One end can disengage.
As shown in Fig. 2, further to promote the leakproofness of the first copper pipe 11 and the second copper pipe 21, it can be in the second copper pipe
21 outside opens up the seal groove 212 of annular, and for seal groove 212 far from mounting groove 211, seal groove 212 is interior to be filled with sealing ring
213, the setting of seal groove 212 and sealing ring 213 is able to ascend the leakproofness between the first copper pipe 11 and the second copper pipe 21.
Sealing ring 213 and rubber strip 112 are preferably the rubber meeting water energy and enough expanding, thus the effect of lift-off seal, specifically
Material can refer to the patent of invention that Authorization Notice No. is CN102070896B.
The installation process of the present embodiment are as follows:
By the first copper pipe 11 alignment the second copper pipe 21 of insertion of straight tube 1, gag lever post 111 is aligned mounting groove 211, and side rotates straight tube 1,
So that gag lever post 111 is smoothly slided along spiral helicine mounting groove 211, it is inserted into the end of straight tube 1 in the slot 221 of bend pipe 2, with
Gag lever post 111 slided in mounting groove 211, rubber strip 112 can be brought into mounting groove 211, guarantee rubber strip 112 can
Seal mounting groove 211.
Embodiment two:
Present embodiment discloses a kind of installation methods of house feedwater piping, comprising the following steps:
S1, straight tube 1 is inserted into the slot 221 of 2 end of bend pipe, the conical pipe of the first copper pipe 11 is promoted until medial surface is bonded
The lateral surface of the conical pipe of second copper pipe 21.
If opening up the mounting groove 211 of shape of threads on the second copper pipe 21, gag lever post is fixedly installed on the inside of the first copper pipe 11
111, then needing constantly fine rotation straight tube 1 when being inserted into slot 221 with straight tube 1, guarantee that gag lever post 111 can be suitable
Benefit enters in mounting groove 211, makes gag lever post 111 along the installation of mounting groove 211 to final position.
S2, straight tube 1 and bend pipe 2 are heated in the first plastic layer 12 of stitching portion and the second plastic layer 22, it is heated
Using external heating in journey, and the second plastic layer 22 is squeezed during heating.
By the way of the heating of outside, it is able to ascend the stabilization being bonded after the first plastic layer 12 and the thawing of the second plastic layer 22
Property, to promote the leakproofness of straight tube 1 Yu bend pipe 2.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of house feedwater piping, including straight tube (1) and bend pipe (2), straight tube (1) includes the first copper pipe (11) and the first plastics
Layer (12), bend pipe (2) include the second copper pipe (21) and the second plastic layer (22), the first plastic layer (12) and the second plastic layer (22)
It is wrapped in the outside of the first copper pipe (11) and the second copper pipe (21) respectively, close to the second plastic layer (22) of the second copper pipe (21)
End offers the slot (221) of annular, and end insertion slot (221) of the first copper pipe (11) and the first plastic layer (12) is interior,
It is characterized in that, the end of the second copper pipe (21) is in the conical pipe that external port diameter gradually tapers up, the end of the first copper pipe (11)
With the conical pipe with the second copper pipe (21) matching ends.
2. a kind of house feedwater piping according to claim 1, which is characterized in that the circumferential surface of the end of the second copper pipe (21)
On offer multiple mounting grooves (211), mounting groove (211) uniform intervals setting, the mounting groove (211) is in the second copper pipe (21)
End point is opening；The inside protrusion of first copper pipe (11) is provided with gag lever post (111), the gag lever post (111) and mounting groove
(211) position is corresponding.
3. a kind of house feedwater piping according to claim 2, which is characterized in that mounting groove (211) Spiral distribution
On the lateral wall of the second copper pipe (21).
4. a kind of house feedwater piping according to claim 2, which is characterized in that the first copper pipe is provided on the inside of (11)
Rubber strip (112), the rubber strip (112) are made of flexible material, and one end and gag lever post (111) of rubber strip (112) are fixed
Connection.
5. a kind of house feedwater piping according to claim 4, which is characterized in that the inside of the first copper pipe (11) is also fixed
It is provided with fixed link (113), the fixed link (113) and rubber strip (112) are clamped far from the one end of gag lever post (111), fixed
Bar (113) is located at intermediate position of the first copper pipe (11) far from gag lever post (111).
6. a kind of house feedwater piping according to claim 5, which is characterized in that the second copper pipe offers on the outside of (21)
The seal groove (212) of annular, for seal groove (212) far from mounting groove (211), seal groove (212) is interior to be filled with sealing ring (213).
7. a kind of installation method of house feedwater piping, which comprises the following steps: S1, by straight tube (1) be inserted into it is curved
In the slot (221) for managing (2) end, the conical pipe of the first copper pipe (11) is promoted until medial surface is bonded the second copper pipe (21)
The lateral surface of conical pipe；S2, the first plastic layer (12) and the second plastic layer (22) to straight tube (1) and bend pipe (2) in stitching portion
It is heated, using external heating in heating process, and squeezes the second plastic layer (22) during heating.
8. a kind of installation method of house feedwater piping according to claim 7, which is characterized in that in step sl, the
It is fixedly installed on the inside of one copper pipe (11) gag lever post (111), the mounting groove (211) of spiral is offered on the second copper pipe (21),
During straight tube (1) and bend pipe (2) are installed, gag lever post (111) are aligned mounting groove (211), straight tube (1) is rotated or turns
Dynamic bend pipe (2) make gag lever post (111) along mounting groove (211) installation to final position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760723.4A CN110486560B (en) | 2019-08-16 | 2019-08-16 | House water supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760723.4A CN110486560B (en) | 2019-08-16 | 2019-08-16 | House water supply pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110486560A true CN110486560A (en) | 2019-11-22 |
| CN110486560B CN110486560B (en) | 2020-11-06 |
Family
ID=68551909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910760723.4A Active CN110486560B (en) | 2019-08-16 | 2019-08-16 | House water supply pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486560B (en) |
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| CN106678474A (en) * | 2017-01-24 | 2017-05-17 | 浙江飞龙管业有限公司 | Pipe material achieving sealed assembly connection easily in bell-socket manner |
| CN207261904U (en) * | 2017-08-31 | 2018-04-20 | 温州市浩特钢业有限公司 | A kind of stainless steel pipes |
| CN207814716U (en) * | 2018-01-10 | 2018-09-04 | 上海未蓝工业技术有限公司 | It is a kind of to detain device for helical corrugation hose assembly |
| CN208331488U (en) * | 2018-03-12 | 2019-01-04 | 青岛凯杰轻工机械有限公司 | A kind of pipe fitting reinforcement bindiny mechanism |
| CN208397524U (en) * | 2018-01-15 | 2019-01-18 | 河南理工大学 | A kind of attachment device for coal mine gas extraction |
| CN208474716U (en) * | 2018-03-26 | 2019-02-05 | 河南金鹏管道有限公司 | A kind of environmentally protective high-impact feedwater piping |
| CN109915667A (en) * | 2019-04-15 | 2019-06-21 | 大连长之琳科技发展有限公司 | A kind of inward turning rolling-type seal nipple, light-duty free flow coupling and its application |
| CN209245495U (en) * | 2018-07-31 | 2019-08-13 | 杭州毅而玛管业有限公司 | A kind of spigot-and-socket HDPE winding reinforcing pipe with rotation preventing function |
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2019
- 2019-08-16 CN CN201910760723.4A patent/CN110486560B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285158A (en) * | 1995-04-17 | 1996-11-01 | Mitsubishi Plastics Ind Ltd | Connecting structure of corrugated pipe |
| CA2233050A1 (en) * | 1998-03-25 | 1999-09-25 | Chung Cheng Faucet Co., Ltd. | Welding connection tube for a valve or multi-tube connector |
| CN101158428A (en) * | 2007-10-17 | 2008-04-09 | 苏州市阳光川上管道有限公司 | Plastic coated metallic water supply pipe joint structure and plastic coated metallic water supply pipe connecting component |
| CN103899853A (en) * | 2014-03-25 | 2014-07-02 | 浙江好房子铜业有限公司 | Composite copper-plastic water supply pipe connecting structure and composite copper-plastic water supply pipe connector |
| CN106678474A (en) * | 2017-01-24 | 2017-05-17 | 浙江飞龙管业有限公司 | Pipe material achieving sealed assembly connection easily in bell-socket manner |
| CN207261904U (en) * | 2017-08-31 | 2018-04-20 | 温州市浩特钢业有限公司 | A kind of stainless steel pipes |
| CN207814716U (en) * | 2018-01-10 | 2018-09-04 | 上海未蓝工业技术有限公司 | It is a kind of to detain device for helical corrugation hose assembly |
| CN208397524U (en) * | 2018-01-15 | 2019-01-18 | 河南理工大学 | A kind of attachment device for coal mine gas extraction |
| CN208331488U (en) * | 2018-03-12 | 2019-01-04 | 青岛凯杰轻工机械有限公司 | A kind of pipe fitting reinforcement bindiny mechanism |
| CN208474716U (en) * | 2018-03-26 | 2019-02-05 | 河南金鹏管道有限公司 | A kind of environmentally protective high-impact feedwater piping |
| CN209245495U (en) * | 2018-07-31 | 2019-08-13 | 杭州毅而玛管业有限公司 | A kind of spigot-and-socket HDPE winding reinforcing pipe with rotation preventing function |
| CN109915667A (en) * | 2019-04-15 | 2019-06-21 | 大连长之琳科技发展有限公司 | A kind of inward turning rolling-type seal nipple, light-duty free flow coupling and its application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110486560B (en) | 2020-11-06 |
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