CN201487461U - Expansion limiting type plastic water pipe joint - Google Patents
Expansion limiting type plastic water pipe joint Download PDFInfo
- Publication number
- CN201487461U CN201487461U CN2009201921662U CN200920192166U CN201487461U CN 201487461 U CN201487461 U CN 201487461U CN 2009201921662 U CN2009201921662 U CN 2009201921662U CN 200920192166 U CN200920192166 U CN 200920192166U CN 201487461 U CN201487461 U CN 201487461U
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- limit
- cover
- extension
- water pipe
- section
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- Expired - Fee Related
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Abstract
The utility model discloses an expansion limiting type plastic water pipe joint, which comprises a pure plastic pipe section and a composite pipe section, wherein the composite pipe section is the extension section of the pure plastic pipe section, a tubular metal screw thread embedding element and a cap-shaped metal expansion limiting cover are arranged on the extension section, the tubular metal screw thread embedding element is fixed on the inner wall of the extension section, the cap-shaped metal expansion limiting cover comprises a cover surface and a cover edge, a cover hole is arranged on the cover surface, the cover edge of the cap-shaped metal expansion limiting cover is embedded in the outer surface layer of the extension section, and the cover surface of the cap-shaped metal expansion limiting cover is directly clamped at the tail end of the tubular metal screw thread embedding element at the same level as the extension section. The utility model has the advantage that the sealing performance always maintains good under the high-temperature working state for a long time.
Description
Technical field
The utility model belongs to the pipe connecting part field, is specifically related to the bloated plastic water pipe adapter of a kind of limit at the hot operation state.
Background technique
Along with improving constantly of living standard, people's environmental consciousness also strengthens gradually.Variation has also taken place in feedwater piping thereupon, has entered the plastic pipe epoch from original galvanized iron conduit epoch.During plastic pipe was used, the installation of metal water heating fittingses such as water tap, valve, water meter connected and must cooperate installation with plastics and metal threaded inserts compound " plastic water pipe joint ".As shown in Figure 1 and Figure 2, the structure of the compound pipeline section 37,38 of existing " plastic water pipe joint " is as follows: compound pipeline section inwall is provided with tubular metal threaded insert 3,5, tubular metal threaded insert 3, the 5 outer stainless steel sheathings 2,6 that also are provided with. Stainless steel sheathing 2,6 cards are embraced the axially section of the stretching out upper half part at tubular metal threaded insert 3,5.The outside is a plastics pipeline section 1,4, and plastics pipeline section 1,4 cards are embraced in the lower half portion of tubular metal threaded insert 3,5 and the underpart of stainless steel sheathing 2,6.Shrink by the cooling of plastics pipeline section 1,4 from high temperature to normal temperature, tightly block tubular metal threaded insert 3,5 lower half portions.Tightly receive principle according to the plastics shrinkage, make plastics pipeline section 1,4 and tubular metal threaded insert 3,5 lower half portions form sealing state at normal temperatures.It is very safe that but existing plastic water pipe joint is applied to the cold water pipes system, but when being applied in the high-temperature-hot-water pipe-line system, owing to be under the hot operation state for a long time, plastics pipeline section 1,4 can significantly expand, cause the old jail property of sealing of plastics pipeline section 1,4 and tubular metal threaded insert 3,5 to weaken, safety coefficient is relatively poor.
Summary of the invention:
At the problem that exists in the background technique, the utility model provides a kind of and has been in for a long time under the hot operation state, places restrictions on the bloated plastic water pipe adapter of limit of the plastics extension thermal expansion distortion in the compound pipeline section.
The utility model adopts following technological scheme: the plastic water pipe adapter of expanding of a kind of limit, comprise pure plastic pipe section and compound pipeline section, and described compound pipeline section is the extension of pure plastic pipe section, the extension is provided with tubular metal threaded insert and the cap shape metal limit lid that expands; The tubular metal threaded insert is fixed on the extension inwall; Cap shape metal limit expands to cover and comprises capping and lid edge, and capping is provided with and covers the hole; Cap shape metal limit is bloated, and lid lid edge is embedded in the external layer of extension, and the bloated capping of cap shape metal limit directly is fastened on the tubular metal threaded insert end concordant with the extension.
The limit of the present utility model plastic water pipe adapter of expanding, described pure plastic pipe section outer surface are provided with the anti-reinforcement tongue that moves.
The expand shape of lid of the limit of the present utility model plastic water pipe adapter of expanding, metal limit is circular, square or polygonal.
The utlity model has following beneficial effect: the plastic water pipe adapter is provided with the bloated lid of cap shape metal limit because the utility model limit expands, thereby placed restrictions on tubular metal threaded insert wild card and embraced the significantly expansion of plastics pipeline section, so improved the tubular metal threaded insert and blocked the sealing of embracing between the plastics pipeline section.
Description of drawings
Fig. 1 is an elbow plastic water pipe joint cross-sectional view in the prior art;
Fig. 2 is a threeway plastic water pipe joint cross-sectional view in the prior art;
Fig. 3 is the bloated type water pipe adapter female elbow structural representation of embodiment's 1 limit;
Fig. 4 is the bloated type water pipe adapter male elbow structural representations of embodiment's 2 limits;
Fig. 5 is the sectional view of Fig. 3;
Fig. 6 is the sectional view of Fig. 4;
Fig. 7 is the bloated type water pipe adapter female coupling structural representations of embodiment's 3 limits;
Fig. 8 is the bloated type water pipe adapter straight tube with outside structural representations of embodiment's 4 limits;
Fig. 9 is the sectional view of Fig. 7;
Figure 10 is the sectional view of Fig. 8;
Figure 11 is the bloated type water pipe adapter female tee structural representations of embodiment's 5 limits;
Figure 12 is the bloated type water pipe adapter male tee structural representations of embodiment's 6 limits;
Figure 13 is the sectional view of Figure 11;
Figure 14 is the sectional view of Figure 12.
Embodiment:
Embodiment 1: as Fig. 3 and shown in Figure 5, the bloated plastic water pipe adapter of a kind of female elbow type limit comprises two-part pipeline section: pure plastic pipe section 7 and compound pipeline section 31.Compound pipeline section 31 parts are the extension 8 of pure plastic pipe section 7, and extension 8 is provided with tubular metal threaded insert 10 and cap shape metal limit and expands and cover 9.Tubular metal threaded insert 10 is fixed on the inwall of extension 8.Cap shape metal limit expands and cover 9 and comprise capping 91 and cover along 92 that capping 91 is provided with and covers the hole.Cap shape metal limit expands and cover 9 lid and be embedded in the external layer of extension 8 along 92, and the bloated Gai Gai hole of cap shape metal limit face 91 directly is fastened on the concordant end of tubular metal threaded insert 10 and extension 8.Pure plastic pipe section 7 outer surfaces are provided with anti-moving and strengthen tongue 39.The bloated shape of covering of metal limit can be circular, square or polygonal, and shape can become along with the shape of limitting the lid that expands after the plastics that lid is coating because the metal limit expands heated in process of production.
Embodiment 2: as Fig. 4 and shown in Figure 6, the bloated plastic water pipe adapter of a kind of male elbow type limit comprises two-part pipeline section: pure plastic pipe section 11 and compound pipeline section 32.Compound pipeline section 32 parts are the extension 12 of pure plastic pipe section 11, and extension 12 is provided with tubular metal threaded insert 14 and cap shape metal limit and expands and cover 13.Tubular metal threaded insert 14 is fixed on the inwall of extension 12.Cap shape metal limit expands and cover 13 and comprise capping 131 and cover along 132, cap shape metal limit expands and cover 13 lid and be embedded in the external layer of extension 12 along 132, and the bloated Gai Gai hole of cap shape metal limit face 131 directly is fastened on the concordant end of tubular metal threaded insert 14 and extension 12.Pure plastic pipe section 11 outer surfaces are provided with anti-moving and strengthen tongue 40.The shape of the bloated lid of metal limit is circular, square or polygonal.
Embodiment 3: as Fig. 7 and shown in Figure 9, the bloated plastic water pipe adapter of a kind of female coupling type limit comprises two-part pipeline section: pure plastic pipe section 15 and compound pipeline section 33.Compound pipeline section 33 parts are the extension 16 of pure plastic pipe section 15, and extension 16 is provided with tubular metal threaded insert 18 and cap shape metal limit and expands and cover 17.Pure plastic pipe section 15 outer surfaces are provided with anti-moving and strengthen tongue 41.
Embodiment 4: as Fig. 8 and shown in Figure 10, the bloated plastic water pipe adapter of a kind of straight tube with outside type limit comprises two-part pipeline section: pure plastic pipe section 19 and compound pipeline section 34.Compound pipeline section 34 parts are the extension 20 of pure plastic pipe section 19, and extension 20 is provided with tubular metal threaded insert 22 and cap shape metal limit and expands and cover 21.Pure plastic pipe section 19 outer surfaces are provided with anti-moving and strengthen tongue 42.
Embodiment 5: as Figure 11 and shown in Figure 13, the bloated plastic water pipe adapter of a kind of female tee type limit comprises two-part pipeline section: pure plastic pipe section 23 and compound pipeline section 35.Compound pipeline section 35 parts are the extension 24 of pure plastic pipe section 23, and extension 24 is provided with tubular metal threaded insert 26 and cap shape metal limit and expands and cover 25.Pure plastic pipe section 23 outer surfaces are provided with anti-moving and strengthen tongue 43.
Embodiment 6: as Figure 12 and shown in Figure 14, the bloated plastic water pipe adapter of a kind of male tee type limit comprises two-part pipeline section: pure plastic pipe section 27 and compound pipeline section 36.Compound pipeline section 36 parts are the extension 28 of pure plastic pipe section 27, and extension 28 is provided with tubular metal threaded insert 30 and cap shape metal limit and expands and cover 29.Pure plastic pipe section 27 outer surfaces are provided with anti-moving and strengthen tongue 44.
The utility model limit expands the plastic water pipe adapter when high-temperature-hot-water uses continuously, can significantly expand in the plastics extension 8,12,16,20,24,28 in the compound as shown in the figure pipeline section.Yet the tight card of receiving of tubular metal threaded insert 10,14,18,22,26,30 peripheral shrinkages is embraced power then along with the rising of temperature, and the expansion meeting of the plastics extension 8,12,16,20,24,28 in the compound pipeline section is reduced greatly.Expand by cap shape metal limit simultaneously and cover 9,13,17,21,25,29 cards and embrace outside plastics extension 8,12,16,20,24,28 peripheries in compound pipeline section, place restrictions on its constantly expansion outward.Described pure plastic pipe section 7,11,15,19,23,27 appearances are provided with anti-moving and strengthen tongue 39,40,41,42,43,44, the design of this tongue increases pure plastic pipe section soundness, simultaneously after integrated piping installs mixed earth tube sealing, tongue firmly is fastened on mixes in the earth body of wall, integrated piping is shifted with expansion.
Claims (3)
1. the bloated plastic water pipe adapter of limit comprises pure plastic pipe section and compound pipeline section, and it is characterized in that: described compound pipeline section is the extension of pure plastic pipe section, and the extension is provided with tubular metal threaded insert and the bloated lid of cap shape metal limit; The tubular metal threaded insert is fixed on the extension inwall; Cap shape metal limit expands to cover and comprises capping and lid edge, and capping is provided with and covers the hole; Cap shape metal limit is bloated, and lid lid edge is embedded in the external layer of extension, and the bloated capping of cap shape metal limit directly is fastened on the tubular metal threaded insert end concordant with the extension.
2. the limit as claimed in claim 1 plastic water pipe adapter of expanding is characterized in that: described pure plastic pipe section outer surface is provided with the anti-reinforcement tongue that moves.
3. the limit as claimed in claim 1 plastic water pipe adapter of expanding is characterized in that: the expand shape of lid of metal limit is circular, square or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201921662U CN201487461U (en) | 2009-08-31 | 2009-08-31 | Expansion limiting type plastic water pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201921662U CN201487461U (en) | 2009-08-31 | 2009-08-31 | Expansion limiting type plastic water pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487461U true CN201487461U (en) | 2010-05-26 |
Family
ID=42426340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201921662U Expired - Fee Related CN201487461U (en) | 2009-08-31 | 2009-08-31 | Expansion limiting type plastic water pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822033A (en) * | 2014-03-17 | 2014-05-28 | 吴伟锋 | Metal connecting piece |
| US11407489B2 (en) | 2018-06-29 | 2022-08-09 | Airbus Operations Limited | Duct stringer |
-
2009
- 2009-08-31 CN CN2009201921662U patent/CN201487461U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822033A (en) * | 2014-03-17 | 2014-05-28 | 吴伟锋 | Metal connecting piece |
| US11407489B2 (en) | 2018-06-29 | 2022-08-09 | Airbus Operations Limited | Duct stringer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120831 |