CN204692814U - A kind of seepage-proof water pipe joint - Google Patents
A kind of seepage-proof water pipe joint Download PDFInfo
- Publication number
- CN204692814U CN204692814U CN201520412864.4U CN201520412864U CN204692814U CN 204692814 U CN204692814 U CN 204692814U CN 201520412864 U CN201520412864 U CN 201520412864U CN 204692814 U CN204692814 U CN 204692814U
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- China
- Prior art keywords
- seepage
- water pipe
- pipe joint
- insert
- plastic casing
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of seepage-proof water pipe joint, described water pipe adapter comprises plastic casing and metal insert, described plastic casing is connected with described metal insert by injection moulding, the outer wall of described metal insert is provided with multiple annular groove, in the inwall embedded rings connected in star of described plastic casing, have in described multiple annular grooves and have one at least for V-shaped groove.The outer wall of described metal insert is provided with V-shaped groove, to prevent the gap formed because of expanding with heat and contract with cold at plastic casing and metal insert, thus prevents the seepage of liquid.Be provided with an annular caulking groove to match with plastic casing in the end of internal thread, prevent the seepage of liquid further.Be respectively arranged with projection in the end of female insert and outer silk inserts, described projection can play fixation when injection moulding.Described outside thread is provided with annular knurl, to place in use, between internal thread and outside thread, skidding occurs.
Description
Technical field
the utility model relates to a kind of seepage-proof water pipe joint.
Background technique
in the prior art, water pipe adapter place uses metal insert and plastic casing to match usually, but has gap because cause because expanding with heat and contract with cold difference between plastic casing and metal insert between plastics and metal, thus causes fluid seepage.
Summary of the invention
technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of seepage-proof water pipe joint being provided with V-shaped groove at metal insert outer wall.
for solving above technical problem, the utility model takes following technological scheme:
a kind of seepage-proof water pipe joint, described water pipe adapter comprises plastic casing and metal insert, described metal insert and plastic casing pass through molding and forming, the outer wall of described metal insert is provided with multiple annular groove, in the inwall embedded rings connected in star of described plastic joint, one or more in described multiple annular grooves are V-shaped groove.
preferably, described metal insert comprises outer an inserts, the female insert matched with described outer silk inserts, described outer silk inserts and the outer wall of female insert is respectively arranged with annular groove, in the inwall embedded rings connected in star of described plastic joint.
preferably, the outer wall of described outer silk inserts is provided with 5 annular grooves, wherein has 4 annular grooves to be V-shaped groove.
preferably, the outer wall of described female insert is provided with 7 annular grooves, wherein has 4 annular grooves to be V-shaped groove.
preferably, the inwall of described female insert is provided with internal thread, an end away from nipple of described internal thread is provided with an annular caulking groove, the inwall of described plastic casing is also provided with a covering material, described annular caulking groove matches with the covering material of described plastic casing, and the covering material of described plastic joint embeds in annular caulking groove.
preferably, described outer silk inserts is provided with multiple the first outstanding vertically projection away from an end of female insert, and the first described projection is intervally arranged along the circumference of female insert.
preferably, described female insert is provided with multiple the second outstanding vertically projection away from an end of outer silk inserts, and the second described projection is intervally arranged along the circumference of female insert.
preferably, described outer silk inserts is provided with outside thread, and described outside thread is provided with annular knurl.
preferably, described metal insert is that copper becomes.
due to the enforcement of above technological scheme, the utility model compared with prior art tool has the following advantages:
the outer wall of the metal insert described in the utility model is provided with V-shaped groove, to prevent the gap formed because of expanding with heat and contract with cold at plastic casing and metal insert, thus prevents the seepage of liquid.Be provided with an annular caulking groove to match with plastic casing in the end of internal thread, prevent the seepage of liquid further.Be respectively arranged with projection in the end of female insert and outer silk inserts, described projection can play fixation when injection moulding.Described outside thread is provided with annular knurl, to place in use, between internal thread and outside thread, skidding occurs.
Accompanying drawing explanation
below in conjunction with accompanying drawing and concrete mode of execution, the utility model is described in more detail.
fig. 1 is the cross-sectional view of outer silk inserts described in the utility model;
fig. 2 is the cross-sectional view of female insert described in the utility model;
fig. 3 is the cross-sectional view of the outer silk inserts with plastic casing;
fig. 4 is the cross-sectional view of the female insert with plastic casing;
fig. 5 is the structural representation after outer silk inserts is connected with female insert,
wherein: 1: outer silk inserts; 2: female insert; 11: outside thread; 21: internal thread; 12,22: plastic casing; 13,23: annular groove; 14, the first projection; 24, the second projection; 25, annular caulking groove.
Embodiment
as shown in Fig. 1 ~ 5, a kind of seepage-proof water pipe joint described in the utility model, comprise outer silk inserts 1, female insert 2, described outer silk inserts 1 and the skin of female insert 2 all have plastic casing 12,22, and described plastic casing 12,22 and metal insert pass through molding and forming.The outer wall of outer silk inserts 1 is provided with multiple annular groove 13 along its circumference, and in a kind of preferred version, annular groove 13 has 5, wherein has 4 for V-shaped groove.The outer wall of female insert 2 is provided with multiple annular groove 23 along its circumference, and in a kind of preferred version, annular groove 23 has 7, wherein has 4 for V-shaped groove.According to actual conditions, also can magnitude setting not wait annular groove 13,23, in injection moulding process, in the inwall embedded rings connected in star 13,23 of plastic casing 12,22.Annular groove 13,23 can make plastic casing 12,22 and metal insert 1,2 when expanding with heat and contract with cold, and prevents the seepage of liquid.When being arranged to V-shaped groove in annular groove 13,23, leakage proof better effects if.
outer silk inserts 1 has external thread section and non-external thread section, wherein outside thread 11 is arranged on external thread section, the outer wall of non-external thread section is provided with annular groove 13, in one embodiment, the inwall of outer silk inserts 1 is also provided with annular caulking groove, the annular groove 13 of the outer wall of plastic casing 12 and outer silk inserts 1 and the annular caulking groove of inwall match, to prevent liquid in pipe seepage.
the inwall of female insert 2 is provided with internal thread 21, annular caulking groove 25 is also provided with away from one end of outer silk inserts 1 at internal thread 21, the annular groove 23 of the outer wall of plastic casing 22 and female insert 2 and the annular caulking groove 25 of inwall match, to prevent liquid in pipe seepage.
female insert 2 is provided with the second projection 24 away from an end of outer silk inserts 1, and the second described projection 24 is given prominence to vertically and is circumferentially intervally arranged; Outer silk inserts 1 is provided with the first projection 14 away from an end of female insert 2, and the first described projection 14 is given prominence to vertically and is circumferentially intervally arranged.The first described projection 14 and the second projection 24 play fixation in the process of injection moulding.
in an advantageous embodiment, outside thread 11 is provided with annular knurl, skids when matching with internal thread 21 to prevent outside thread 11.
female insert 2 involved in the utility model and outer silk inserts 1 are made for metallic material, preferably, are copper one-tenth.
above the utility model is described in detail, but the utility model is not limited to the above embodiments.All equivalences done according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (9)
1. a seepage-proof water pipe joint, described water pipe adapter comprises plastic casing and metal insert, described plastic casing is connected with described metal insert by injection moulding, the outer wall of described metal insert is provided with multiple annular groove, in the inwall embedded rings connected in star of described plastic casing, it is characterized in that: have in described multiple annular grooves and have one at least for V-shaped groove.
2. a kind of seepage-proof water pipe joint according to claim 1, it is characterized in that: described metal insert comprises outer an inserts, a female insert, the inwall of described female insert is provided with internal thread, described outer silk inserts is provided with outside thread, the internal thread of described female insert and the outside thread of described outer silk inserts in mating connection, described outer silk inserts and the outer wall of female insert are respectively arranged with annular groove.
3. a kind of seepage-proof water pipe joint according to claim 2, is characterized in that: the outer wall of described outer silk inserts is provided with 5 annular grooves, wherein has 4 annular grooves to be V-shaped groove.
4. a kind of seepage-proof water pipe joint according to claim 2, is characterized in that: the outer wall of described female insert is provided with 7 annular grooves, wherein has 4 annular grooves to be V-shaped groove.
5. a kind of seepage-proof water pipe joint according to claim 2, it is characterized in that: the end away from nipple of described internal thread is provided with an annular caulking groove, described annular caulking groove matches with described plastic casing, and a part for described plastic joint embeds in annular caulking groove.
6. a kind of seepage-proof water pipe joint according to claim 2, it is characterized in that: described outer silk inserts is provided with multiple the first outstanding vertically projection away from an end of female insert, the first described projection is intervally arranged along the circumference of female insert, and the first described projection plays fixation in injection moulding process.
7. a kind of seepage-proof water pipe joint according to claim 2, it is characterized in that: described female insert is provided with multiple the second outstanding vertically projection away from an end of outer silk inserts, the second described projection is intervally arranged along the circumference of female insert, and the second described projection plays fixation in injection moulding process.
8. a kind of seepage-proof water pipe joint according to claim 2, is characterized in that: described outside thread is provided with annular knurl.
9. a kind of seepage-proof water pipe joint according to any one of claim 1 ~ 8, is characterized in that: described metal insert is that copper material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412864.4U CN204692814U (en) | 2014-10-31 | 2015-06-16 | A kind of seepage-proof water pipe joint |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014206454889 | 2014-10-31 | ||
| CN201420645488 | 2014-10-31 | ||
| CN201520412864.4U CN204692814U (en) | 2014-10-31 | 2015-06-16 | A kind of seepage-proof water pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692814U true CN204692814U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520412864.4U Active CN204692814U (en) | 2014-10-31 | 2015-06-16 | A kind of seepage-proof water pipe joint |
Country Status (1)
| Country | Link |
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| CN (1) | CN204692814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439356A (en) * | 2016-10-31 | 2017-02-22 | 济南丰源塑料有限公司 | Composite pipe fitting for connector of liner of plastic water heater |
| CN108895221A (en) * | 2018-09-04 | 2018-11-27 | 宝鸡市创信金属材料有限公司 | A kind of quick-clamping current stabilization locking linkage section for petroleum pipeline |
-
2015
- 2015-06-16 CN CN201520412864.4U patent/CN204692814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439356A (en) * | 2016-10-31 | 2017-02-22 | 济南丰源塑料有限公司 | Composite pipe fitting for connector of liner of plastic water heater |
| CN108895221A (en) * | 2018-09-04 | 2018-11-27 | 宝鸡市创信金属材料有限公司 | A kind of quick-clamping current stabilization locking linkage section for petroleum pipeline |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |