CN204187162U - A kind of supply pipe pipe joint - Google Patents
A kind of supply pipe pipe joint Download PDFInfo
- Publication number
- CN204187162U CN204187162U CN201420553645.3U CN201420553645U CN204187162U CN 204187162 U CN204187162 U CN 204187162U CN 201420553645 U CN201420553645 U CN 201420553645U CN 204187162 U CN204187162 U CN 204187162U
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- Prior art keywords
- main body
- joint
- threaded
- hot
- melt adhesive
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- Expired - Lifetime
Links
- 239000004831 Hot glue Substances 0.000 claims abstract description 42
- 229920001155 polypropylene Polymers 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 10
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 8
- 230000000452 restraining effect Effects 0.000 claims description 12
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000008595 infiltration Effects 0.000 abstract description 7
- 238000001764 infiltration Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004698 Polyethylene Substances 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The utility model provides a kind of supply pipe pipe joint, belongs to water tube component technical field.It solve existing pipe joint sealing variation at high water pressures, occur the problem of infiltration phenomenon.This supply pipe pipe joint, comprise hot-melt adhesive paste main body and the tubular main body that is threaded, hot-melt adhesive paste main body has in tubular and the joint connected with hot-melt adhesive paste main body, the one end of the main body that is threaded has screw thread, the other end is set on joint, and be threaded main body madial wall and joint outer side wall fit and are connected, hot-melt adhesive paste main body has the attachment hole be connected with tubing welding, the main body that is threaded adopts engineering plastics to make, and hot-melt adhesive paste main body adopts PP-R or PE to make.This supply pipe pipe joint can bear larger hydraulic pressure, avoids under high hydraulic pressure effect, occur infiltration phenomenon.
Description
Technical field
The utility model belongs to water tube component technical field, relates to a kind of supply pipe pipe joint.
Background technique
Pipe joint is the connection fittings between pipeline and pipeline, can the link of dismounting between accessory and pipeline, act as indispensable key player in the tube, it is one of main composition part of pipeline, pipe joint kind is more, is widely used, and wherein applies comparatively concentrated in the connection of supply pipe, supply pipe needs height water being transported to tens meters even higher, therefore requires higher to the pressure-bearing of pipe joint, sealability.
As Chinese invention patent application (application number: 02205010.8) disclose a kind of feedwater piping screwed pipe joint, comprise the pipe threads be made up of PC material and the PP-R pipe fitting be connected with its one end, male and fomale(M&F) is circumferentially had at the outer surface of the connecting end of pipe threads, PP-R pipe fitting one end is coated on outside this male and fomale(M&F), this pipe joint utilizes PC material as pipe threads, it and PP-R have thermal coefficient of expansion closely, therefore both combine well, but the pipe threads of this pipe joint adopts PC engineering plastics to make, there is larger rigidity and hardness, rigidity and the more weak PP-R pipe fitting of hardness are then coated on outside pipe threads, when this pipe joint bears larger hydraulic pressure, under effect of water pressure, although pipe threads can bear this pressure and keep original form constant, but PP-R pipe but can under this effect of water pressure dilatancy, in installation process, be subject to spanner turn makes pipe threads and PP-R pipe fitting loosen, sealing between PP-R tube and tube threaded piece is caused to be deteriorated, there is infiltration phenomenon.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, and propose a kind of supply pipe pipe joint, this supply pipe pipe joint can bear larger hydraulic pressure, avoids under high hydraulic pressure effect, occur infiltration phenomenon.
The purpose of this utility model realizes by following technical proposal: a kind of supply pipe pipe joint, comprise hot-melt adhesive paste main body and the tubular main body that is threaded, it is characterized in that, described hot-melt adhesive paste main body has in tubular and the joint connected with hot-melt adhesive paste main body, one end of the described main body that is threaded has screw thread, the other end is set on joint, and be threaded main body madial wall and joint outer side wall fit and are connected, described hot-melt adhesive paste main body has the attachment hole be connected with tubing welding, the described main body that is threaded adopts engineering plastics to make, described hot-melt adhesive paste main body adopts PP-R or PE to make.
The attachment hole of hot-melt adhesive paste main body is used for welding and is connected the tubing such as supply pipe, one end madial wall of the main body that is threaded or outer side wall has screw thread, the other end is set on joint, and fit with joint outer side wall and be connected, thus play connection function, because the main body that is threaded adopts engineering plastics to make, engineering plastics can bear certain External Force Acting, there is good mechanical property and Nai Gao, cryogenic property, dimensional stability is better, be mainly used in the field that engineering industry etc. is high-end, the internal thread of the main body that is therefore threaded also has higher join strength, and hot-melt adhesive paste main body adopts PP-R or PE to make, PP-R is atactic copolymerized polypropene again, its toughness of products is good, processibility is excellent, can be used for hot-melt adhesive paste, under higher temperature, creep-resistant property is good, be widely used in tubing manufacture, PE is polyethylene, those plastics are widely used in pipeline, can be connected with supply pipe by modes such as weldings, the main body that is threaded is set in outside joint, therefore when this pipe joint bears higher hydraulic pressure, the mechanical property that the main body that is threaded is higher and rigidity can be avoided occurring expanding, also the shape of joint is retrained simultaneously, joint is avoided to occur dilatancy, improve the dimensional stability of pipe joint entirety, namely can avoid occurring infiltration phenomenon under higher hydraulic pressure.
In above-mentioned supply pipe pipe joint, described joint outer side wall axially offers some annular connecting grooves one, and connecting groove one and joint concentric are arranged, the described main body madial wall that is threaded axially has the connection convex edge one of some annulars, and connection convex edge one is arranged with the main body concentric that is threaded, described connection convex edge one is connected in connecting groove one, and connects the sidewall of convex edge one and connecting groove one cell wall and fit and be connected.Connection convex edge one is connected mutually with connecting groove one and can improves the join strength of be threaded main body and joint, increases the area of contact of be threaded main body madial wall and joint outer side wall simultaneously, improves sealing between the two.
In above-mentioned supply pipe pipe joint, on the insertion end end face of described joint, circumference offers the connecting groove two of annular, on the described main body madial wall that is threaded, circumference has ring-shaped step, on described step end face, circumference has annular connection convex edge two, the insertion end end face of described joint is resisted against on step end face, and connection convex edge two is connected in connecting groove two, the sidewall of described connection convex edge two and connecting groove two cell wall fit and are connected.In like manner, joint end face and step end face against, and connect convex edge two with connecting groove two-phase and be connected, the area of contact of joint and the main body that is threaded can be improved, increase sealing, also can increase the radial constraint to joint simultaneously, avoid its dilatancy.
In above-mentioned supply pipe pipe joint, on the described main body madial wall that is threaded, circumference offers some bar shaped restraining grooves, and the length direction of restraining groove and the body shaft that is threaded are to consistent, on described joint outer side wall, circumference has some bar shaped limit convex edges, and the length direction on limit convex edge is axially consistent with joint, described limit convex is along being connected in restraining groove.Limit convex, along matching with restraining groove, can be avoided the main body opposing connections circumference rotation that is threaded, also play reinforcement connection function simultaneously.
In above-mentioned supply pipe pipe joint, described pipe joint is that screw thread is direct, and above-mentioned joint is the end, one end of hot-melt adhesive paste main body, and described attachment hole is positioned at the other end.This pipe joint is used for straight connection to supply pipe, is one of the form of pipe joint.
In above-mentioned supply pipe pipe joint, described pipe joint is screw thread threeway, and above-mentioned joint is the port part in hot-melt adhesive paste main body wall, and described attachment hole is positioned at the two ends of hot-melt adhesive paste main body.This pipe joint is by the two ends of hot-melt adhesive paste main body by straight for supply pipe connection, and other accessories are communicated with on two supply pipes by the main body that is simultaneously threaded, and is one of the form of pipe joint.
In above-mentioned supply pipe pipe joint, described pipe joint is threaded elbow, and above-mentioned joint is the end, one end of hot-melt adhesive paste main body, and described attachment hole is positioned at the other end.This pipe joint water supply pipe is connected with the corner of accessory, is one of the form of pipe joint.
In above-mentioned supply pipe pipe joint, described joint presses welding to be connected with the main body that is threaded by noting.Namely, after hot-melt adhesive paste main body and joint integrated injection molding thereof are also shaped, the main body that will be threaded high-pressure injection moulding, on joint, has higher join strength and sealing.
Compared with prior art, this supply pipe pipe joint has the following advantages:
1, be coated on joint because the main body that is threaded is sheathed, and the main body that is threaded adopts the engineering plastics that mechanical strength is higher, and joint adopts PP-R, PE to make, therefore the mechanical property that the main body that is threaded is higher and rigidity can be avoided occurring expanding, also the shape of joint is retrained simultaneously, avoid joint to occur dilatancy, improve the dimensional stability of pipe joint entirety, namely can avoid occurring infiltration phenomenon under higher hydraulic pressure.
2, be also connected with connecting groove one and connecting groove two by being connected convex edge one, connection convex edge two owing to being threaded between main body with joint, namely the area of contact of joint and the main body that is threaded can be improved, increase sealing, also can improve the join strength be threaded between main body and joint simultaneously, increase the radial constraint to joint.
3, because circumference on joint madial wall has the reinforcement convex edge of annular, the mechanical strength of joint port can be strengthened in this reinforcement convex edge, avoids port to occur dilatancy.
4, due to the main body that is threaded directly offering screw thread, outer side wall has hexagonal, convenient wrench is installed and used, and main body of avoiding being threaded adopts the inserts vibrations or fracture phenomena that occur during inserts mode.
Accompanying drawing explanation
Fig. 1 is the partial structurtes sectional view of this supply pipe pipe joint.
Fig. 2 is the partial structurtes sectional view of hot-melt adhesive paste main body.
Fig. 3 is the partial structurtes sectional view of main body of being threaded.
Fig. 4 is the partial structurtes sectional view of the supply pipe pipe joint in embodiment two.
Fig. 5 is the partial structurtes sectional view of the hot-melt adhesive paste main body in embodiment two.
Fig. 6 is the partial structurtes sectional view of the main body that is threaded in embodiment two.
Fig. 7 is the partial structurtes sectional view of the supply pipe pipe joint in embodiment three.
Fig. 8 is the partial structurtes sectional view of the hot-melt adhesive paste main body in embodiment three.
Fig. 9 is the partial structurtes sectional view of the main body that is threaded in embodiment three.
In figure, 1, hot-melt adhesive paste main body; 11, joint; 111, connecting groove one; 112, connecting groove two; 113, limit convex edge; 13, attachment hole; 2, be threaded main body; 21, convex edge one is connected; 22, convex edge two is connected; 23, restraining groove; 24, step.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, a kind of supply pipe pipe joint, comprise hot-melt adhesive paste main body 1 and the tubular main body 2 that is threaded, hot-melt adhesive paste main body 1 has joint 11, this joint 11 is tubular and is connected with hot-melt adhesive paste main body 1, hot-melt adhesive paste main body 1 has attachment hole 13, attachment hole 13 to be connected supply pipe for welding, one end of the main body that is threaded 2 is set on joint 11, and be threaded main body 2 madial wall and joint 11 outer side wall fit and are connected, one end madial wall of the main body that is threaded 2 has internal thread, the other end is set on joint 11, and fit with joint 11 outer side wall and be connected, thus play connection function, the main body that is threaded 2 adopts engineering plastics to make, certain External Force Acting can be born, there is good mechanical property and Nai Gao, cryogenic property, dimensional stability is better, be mainly used in the field that engineering industry etc. is high-end, the internal thread of the main body that is therefore threaded 2 also has higher join strength.Joint 11 adopts PP-R or PE to make, PP-R is atactic copolymerized polypropene again, its toughness of products is good, processibility is excellent, under higher temperature, creep-resistant property is good, be widely used in tubing manufacture, PE is polyethylene, can be connected with supply pipe by modes such as weldings, because the main body 2 that is threaded is set in outside joint 11, therefore when this pipe joint bears higher hydraulic pressure, the mechanical property that the main body that is threaded 2 is higher and rigidity can be avoided occurring expanding, also the shape of joint 11 is retrained simultaneously, joint 11 is avoided to occur dilatancy, improve the dimensional stability of pipe joint entirety, namely can avoid occurring infiltration phenomenon under higher hydraulic pressure.
Specifically, composition graphs 2, shown in Fig. 3, joint 11 outer side wall axially offers some annular connecting grooves 1, and connecting groove 1 and joint 11 concentric are arranged, the main body that is threaded 2 madial wall axially has the connection convex edge 1 of some annulars, and connection convex edge 1 is arranged with main body 2 concentric that is threaded, connecting convex edge 1 is connected in connecting groove 1, and connect the sidewall of convex edge 1 and connecting groove 1 cell wall and fit and be connected, connection convex edge 1 is connected mutually with connecting groove 1 and can improves the join strength of be threaded main body 2 and joint 11, increase the area of contact of be threaded main body 2 madial wall and joint 11 outer side wall simultaneously, improve sealing between the two.On the main body that is threaded 2 madial wall, circumference offers some bar shaped restraining grooves 23, and the length direction of restraining groove 23 is axially consistent with the main body 2 that is threaded, on joint 11 outer side wall, circumference has some bar shaped limit convexes along 113, and limit convex is axially consistent with joint 11 along the length direction of 113, limit convex is connected in restraining groove 23 along 113, limit convex matches along 113 with restraining groove 23, the main body 2 opposing connections 11 circumference rotation that is threaded can be avoided, also play reinforcement connection function simultaneously.On the insertion end end face of joint 11, circumference offers the connecting groove 2 112 of annular, on the main body that is threaded 2 madial wall, circumference has ring-shaped step 24, on step 24 end face, circumference has annular connection convex edge 2 22, the insertion end end face of joint 11 is resisted against on step 24 end face, and connection convex edge 2 22 is connected in connecting groove 2 112, the sidewall of connection convex edge 2 22 and connecting groove 2 112 cell wall fit and are connected, in like manner, joint 11 end face and step 24 end face against, and connect convex edge 2 22 with connecting groove 2 112 and be connected mutually, the area of contact of joint 11 and the main body 2 that is threaded can be improved, increase sealing, also can increase the radial constraint to joint 11 simultaneously.This pipe joint is that screw thread is direct, and joint 11 be the end, one end of hot-melt adhesive paste main body 1, and this pipe joint, for the straight connection to supply pipe, is one of the form of pipe joint.Joint 11 is connected by welding with the main body 2 that is threaded, and after namely hot-melt adhesive paste main body 1 and joint 11 integrated injection molding thereof are also shaped, the main body that will be threaded 2 is injection-moulded on joint 11, has higher join strength and sealing.
Embodiment two:
The structure of this supply pipe pipe joint is substantially identical with embodiment one, difference is as shown in Fig. 4, Fig. 5, Fig. 6, this pipe joint is screw thread threeway, joint 11 is the port part on hot-melt adhesive paste main body 1 sidewall, this pipe joint can make three accessories be communicated with, its two ends mainly through hot-melt adhesive paste main body 1 are by straight for supply pipe connection, and other accessories are communicated with on two supply pipes by the main body that is simultaneously threaded 2, are one of the form of pipe joint.
Embodiment three:
The structure of this supply pipe pipe joint is substantially identical with embodiment one, difference is as shown in Fig. 7, Fig. 8, Fig. 9, and this pipe joint is threaded elbow, and joint 11 is the end, one end of hot-melt adhesive paste main body 1, this pipe joint water supply pipe is connected with the corner of accessory, is one of the form of pipe joint.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as hot-melt adhesive paste main body 1, joint 11, connecting groove 1 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (8)
1. a supply pipe pipe joint, comprise hot-melt adhesive paste main body (1) and the tubular main body that is threaded (2), it is characterized in that, described hot-melt adhesive paste main body (1) has in tubular and the joint (11) connected with hot-melt adhesive paste main body (1), one end of the described main body that is threaded (2) has screw thread, the other end is set on joint (11), and the main body that is threaded (2) madial wall and joint (11) outer side wall fit and are connected, described hot-melt adhesive paste main body (1) has the attachment hole (13) be connected with tubing welding, the described main body that is threaded (2) adopts engineering plastics to make, described hot-melt adhesive paste main body (11) adopts PP-R or PE to make.
2. supply pipe pipe joint according to claim 1, it is characterized in that, described joint (11) outer side wall axially offers some annular connecting grooves one (111), and connecting groove one (111) and joint (11) concentric are arranged, the described main body that is threaded (2) madial wall axially has the connection convex edge one (21) of some annulars, and connection convex edge one (21) is arranged with the main body that is threaded (2) concentric, described connection convex edge one (21) is connected in connecting groove one (111), and connect the sidewall of convex edge one (21) and connecting groove one (111) cell wall and fit and be connected.
3. supply pipe pipe joint according to claim 1, it is characterized in that, on the insertion end end face of described joint (11), circumference offers the connecting groove two (112) of some annulars, on the described main body that is threaded (2) madial wall, circumference has ring-shaped step (24), on described step (24) end face, circumference has some annular connection convex edges two (22), the insertion end end face of described joint (11) is resisted against on step (24) end face, and connection convex edge two (22) is connected in connecting groove two (112), the sidewall of described connection convex edge two (22) and connecting groove two (112) cell wall fit and are connected.
4. supply pipe pipe joint according to claim 2, it is characterized in that, on the described main body that is threaded (2) madial wall, circumference offers some bar shaped restraining grooves (23), and the length direction of restraining groove (23) is axially consistent with the main body that is threaded (2), on described joint (11) outer side wall, circumference has some bar shaped limit convexes along (113), and limit convex is axially consistent with joint (11) along the length direction of (113), described limit convex is connected in restraining groove (23) along (113).
5. according to the supply pipe pipe joint in claim 1-4 described in any one, it is characterized in that, described pipe joint is that screw thread is direct, and above-mentioned joint (11) is positioned at the other end for the end, one end of hot-melt adhesive paste main body (1), described attachment hole (13).
6. according to the supply pipe pipe joint in claim 1-4 described in any one, it is characterized in that, described pipe joint is screw thread threeway, above-mentioned joint (11) is positioned at the two ends of hot-melt adhesive paste main body (1) for the port part on hot-melt adhesive paste main body (1) sidewall, described attachment hole (13).
7. according to the supply pipe pipe joint in claim 1-4 described in any one, it is characterized in that, described pipe joint is threaded elbow, and above-mentioned joint (11) is positioned at the other end for the end, one end of hot-melt adhesive paste main body (1), described attachment hole (13).
8. according to the supply pipe pipe joint in claim 1-4 described in any one, it is characterized in that, described joint (11) presses welding to be connected with the main body that is threaded (2) by noting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553645.3U CN204187162U (en) | 2014-09-24 | 2014-09-24 | A kind of supply pipe pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553645.3U CN204187162U (en) | 2014-09-24 | 2014-09-24 | A kind of supply pipe pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204187162U true CN204187162U (en) | 2015-03-04 |
Family
ID=52619164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420553645.3U Expired - Lifetime CN204187162U (en) | 2014-09-24 | 2014-09-24 | A kind of supply pipe pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204187162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065854A (en) * | 2017-09-04 | 2020-04-24 | 德国诺玛公司 | Plumbing fitting with bonded joints |
| CN113463686A (en) * | 2021-06-30 | 2021-10-01 | 济南黄河路桥建设集团有限公司 | Waterproof pipe gallery with good sealing performance |
-
2014
- 2014-09-24 CN CN201420553645.3U patent/CN204187162U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065854A (en) * | 2017-09-04 | 2020-04-24 | 德国诺玛公司 | Plumbing fitting with bonded joints |
| CN111065854B (en) * | 2017-09-04 | 2022-03-15 | 德国诺玛公司 | Plumbing fitting with bonded joints |
| CN113463686A (en) * | 2021-06-30 | 2021-10-01 | 济南黄河路桥建设集团有限公司 | Waterproof pipe gallery with good sealing performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150304 |
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| CX01 | Expiry of patent term |