CN202100881U - Straight joint with metal sleeve - Google Patents
Straight joint with metal sleeve Download PDFInfo
- Publication number
- CN202100881U CN202100881U CN2011201689634U CN201120168963U CN202100881U CN 202100881 U CN202100881 U CN 202100881U CN 2011201689634 U CN2011201689634 U CN 2011201689634U CN 201120168963 U CN201120168963 U CN 201120168963U CN 202100881 U CN202100881 U CN 202100881U
- Authority
- CN
- China
- Prior art keywords
- interface section
- metallic sheath
- inserts
- straight joint
- section
- 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.)
- Expired - Fee Related
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Abstract
A straight joint with a metal sleeve includes a first interface section, a second interface section and an arc transition section connected with the first interface section and the second interface section, wherein a thread insert is arranged in the first interface section, a metal sleeve is arranged on the outer wall of the first interface section, the metal sleeve is provided with a sleeve body sleeved on the outer wall of the first interface section and an end wall covered on the end surface of the first interface section, and the sleeve body is partially inserted into the first interface section. The straight joint is characterized in that the length of the part of the sleeve inserted into the first interface section is 20% to 50 % of the whole length of the sleeve body. As the part of the metal sleeve inserted into the first interface section is rather long, the fixing strength of the metal is improved, and the straight joint is prevented from easily dropping off.
Description
Technical field
The utility model relates to a kind of water pipe pipe fitting, relates in particular to a kind of water pipe straight joint with threaded insert and metallic sheath.
Background technique
PP-R straight joint pipe fitting of the prior art in one of them interface section threaded insert is set, and outer wall is set with metallic sheath, and other interface end can be connected with tubing through hot melt.For example Chinese patent number is the CN200820163407.6 utility model patent; Open day is on August 26th, 2008; A kind of water pipe adapter easy for installation is disclosed; Comprise straight length (3) and straight length (7); Be connected to form one through changeover portion (9) between straight length (3) and the straight length (7), be compounded with tapped tubulose inserts (4) in the straight length (3), the compound termination (10) of going into straight length (3) of described inserts (4) is positioned near the tube wall or tube wall of straight length (7) near straight length (3) one sides.Described inserts (4) forms the section of stretching out along straight length (3) mouth of pipe that axially extends outward of straight length (3), and the outer wall of the section of stretching out is with stainless steel sleeve (5).Such scheme is arranged on stainless steel sleeve on the outer wall of inserts, in the process of installing, is very easy to come off.And, because the length of the interface end at inserts place is smaller, its sealing is reduced, leak from inserts easily.
The model utility content
The utility model technical problem to be solved is to overcome the deficiency of above-mentioned existing technology, and a kind of straight joint that has metallic sheath firm, safe and reliable, that should not leak of installing is provided.
A kind of straight joint that has metallic sheath that provides according to the utility model; Comprise first interface section and second interface section that is connected with said first interface section; Be provided with threaded insert in said first interface section; The outer wall of said first interface section is provided with metallic sheath; Said metallic sheath has body that is coated on the said first interface section outer wall and the end wall that is coated on the said first interface section end face, and the part of said body is inserted in said first interface section, and the length that said body inserts in said first interface section is the 20%-50% of said body total length.
A kind of straight joint that has metallic sheath that provides according to the utility model also has following attached technical characteristics:
Said body inserts end formed in said first interface section has flange.
Be formed with hexagonal on the outer wall of said first interface section and clamp portion, the part of said body is inserted said clamping in the portion.
Said inserts is internal thread inserts or outside thread inserts.
Said internal thread inserts end formed has thickened section, and the outer side surface of said thickened section is formed with step, and the end wall of said metallic sheath is stuck on the said step.
The middle part of said outside thread inserts is formed with thickened section, and the outer side surface of said thickened section is formed with step, and the end wall of said metallic sheath is stuck on the said step.
The end wall of said metallic sheath is stuck in that length is the 20%-30% of the end wall total length of said metallic sheath on the said step.
Said metallic sheath is a stainless steel sleeve.
Said threaded insert is copper threaded insert.
A kind of straight joint that has metallic sheath that provides according to the utility model compared with prior art has following advantage: at first, the length that the metallic sheath in the utility model inserts first interface section is bigger, has improved the constant intensity of metallic sheath, makes its difficult drop-off; Secondly, metallic sheath inserts first interface section end formedly has a flange, and said flange further improves the join strength of the metallic sheath and first interface section, and metallic sheath more difficulty comes off; Once more, the length of the end wall of the metallic sheath of the utility model and the joint of inserts is longer, has improved sealability.
Description of drawings
Fig. 1 is the plan view of the utility model.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the sectional view of the utility model.
Fig. 4 is the internal thread inserts of the utility model and the sectional view of metallic sheath.
Fig. 5 is the outside thread inserts of the utility model and the sectional view of metallic sheath.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3; A kind of straight joint that has metallic sheath that provides at the utility model; Comprise first interface section 1 and second interface section 2 that is connected with said first interface section 1; Be provided with threaded insert 4 in said first interface section 1, the outer wall of said first interface section 1 is provided with metallic sheath 5, and said metallic sheath 5 has body 51 that is coated on said first interface section, 1 outer wall and the end wall 52 that is coated on said first interface section, 1 end face; The part 511 of said body 51 is inserted in said first interface section 1, and the length L 1 that said body 51 inserts in said first interface section 1 is the 20%-50% of said body 51 total length L.Present embodiment is 25%.Certainly, also can be chosen as 30%, 35%, 40% or 45%.Preferred aforementioned proportion is 1/2, promptly 50%, 1/3, promptly 33% or 1/4, promptly 25%.The aforementioned proportion main purpose is that the length of the body 51 that defines metallic sheath 5 part 511 that needs to insert said first interface section 1 is long, thereby can metallic sheath 5 is fixing, makes its difficult drop-off.First interface section 1 and second interface section 2 in the utility model are injection molded by plastic monoblock.In injection moulding process, put into mould after inserts 4 and metallic sheath 5 linked together, be injection-moulded in together then.
Referring to Fig. 3 and Fig. 4, in the foregoing description that the utility model provides, said body 51 inserts part 511 in said first interface section 1 end formedly has a flange 512.Said flange 512 can further improve the join strength of the metallic sheath 5 and first interface section 1, and it more should not be come off.
Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, be formed with hexagonal on the outer wall of said first interface section 1 and clamp portion 11, the part 511 of said body 51 is inserted said clamping in the portion 11.The said portion 11 that clamps can be used for handle and clamps use, saidly clamps the end that portion 11 is higher than said first interface section 1, thereby the body 51 that is beneficial to said metallic sheath 5 inserts wherein.
Referring to Fig. 3 and Fig. 4; In the foregoing description that the utility model provides, said inserts 4 is the internal thread inserts, and said internal thread inserts end formed has thickened section 41; The outer side surface of said thickened section 41 is formed with step 42, and the end wall 52 of said metallic sheath 5 is stuck on the said step 42.The end wall 52 of said metallic sheath 5 is stuck in that length a is the 20%-30% of the end wall 52 total length b of said metallic sheath 5 on the said step 42.Present embodiment is 25%.Inserts 4 in the utility model end formed has thickened section 41, improves the intensity of end.Said step 42 is beneficial to end wall 52 fixing of metallic sheath 5, makes said end wall 52 more smooth with the joint of said inserts 4.And both applying length is longer, has not only guaranteed both join strengths, and, improved the end wall 52 of metallic sheath 5 and the sealability of inserts 4.
Referring to Fig. 3 and Fig. 4, in the foregoing description that the utility model provides, said metallic sheath 5 is a stainless steel sleeve.Certainly, also can process for other metallic material such as copper cover, irony cover, aluminium matter covers.Said threaded insert 4 is copper threaded insert, is formed with many grooves on the outer wall of said inserts 4, is full of plastics in the groove, and the adhesive strength that groove can improve inserts 4 is set, and also can improve sealability.Certainly, inserts 4 also can be that other material is processed.
Referring to Fig. 5; In the another kind of embodiment that the utility model provides, said inserts 4 is the outside thread inserts, and the middle part of said outside thread inserts is formed with thickened section 41; The outer side surface of said thickened section 41 is formed with step 42, and the end wall 52 of said metallic sheath 5 is stuck on the said step 42.The end wall 52 of said metallic sheath 5 is stuck in that length a1 is the 20%-30% of the end wall 52 total length b1 of said metallic sheath 5 on the said step 42.Present embodiment is 25%.Inserts 4 in the utility model end formed has thickened section 41, improves the intensity of end.Said step 42 is beneficial to end wall 52 fixing of metallic sheath 5, makes said end wall 52 more smooth with the joint of said inserts 4.And both applying length is longer, has not only guaranteed both join strengths, and, improved the end wall 52 of metallic sheath 5 and the sealability of inserts 4.Other structures of present embodiment are identical with first embodiment.
Claims (9)
1. straight joint that has metallic sheath; Comprise first interface section and second interface section that is connected with said first interface section; Be provided with threaded insert in said first interface section; The outer wall of said first interface section is provided with metallic sheath; Said metallic sheath has body that is coated on the said first interface section outer wall and the end wall that is coated on the said first interface section end face, and the part of said body is inserted in said first interface section, it is characterized in that: the length that said body inserts in said first interface section is the 20%-50% of said body total length.
2. a kind of straight joint that has metallic sheath as claimed in claim 1 is characterized in that: said body inserts end formed in said first interface section has flange.
3. a kind of straight joint that has metallic sheath as claimed in claim 1 is characterized in that: be formed with hexagonal on the outer wall of said first interface section and clamp portion, the part of said body is inserted said clamping in the portion.
4. a kind of straight joint that has metallic sheath as claimed in claim 1 is characterized in that: said inserts is internal thread inserts or outside thread inserts.
5. a kind of straight joint that has metallic sheath as claimed in claim 4 is characterized in that: said internal thread inserts end formed has thickened section, and the outer side surface of said thickened section is formed with step, and the end wall of said metallic sheath is stuck on the said step.
6. a kind of straight joint that has metallic sheath as claimed in claim 4, it is characterized in that: the middle part of said outside thread inserts is formed with thickened section, and the outer side surface of said thickened section is formed with step, and the end wall of said metallic sheath is stuck on the said step.
7. like claim 5 or 6 described a kind of straight joints that have metallic sheath, it is characterized in that: the end wall of said metallic sheath is stuck in that length is the 20%-30% of the end wall total length of said metallic sheath on the said step.
8. a kind of straight joint that has metallic sheath as claimed in claim 1 is characterized in that: said metallic sheath is a stainless steel sleeve.
9. a kind of straight joint that has metallic sheath as claimed in claim 1 is characterized in that: said threaded insert is copper threaded insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201689634U CN202100881U (en) | 2011-05-25 | 2011-05-25 | Straight joint with metal sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201689634U CN202100881U (en) | 2011-05-25 | 2011-05-25 | Straight joint with metal sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100881U true CN202100881U (en) | 2012-01-04 |
Family
ID=45386891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201689634U Expired - Fee Related CN202100881U (en) | 2011-05-25 | 2011-05-25 | Straight joint with metal sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100881U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913696A (en) * | 2012-08-17 | 2013-02-06 | 太仓长鸿工程塑胶有限公司 | Direct head improved structure |
| CN105179833A (en) * | 2015-08-07 | 2015-12-23 | 佛山市日丰企业有限公司 | Connecting pipe fitting with metal insert |
| GB2530876A (en) * | 2014-08-08 | 2016-04-06 | Snecma | A method of monitoring short circuits in torque motors |
-
2011
- 2011-05-25 CN CN2011201689634U patent/CN202100881U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913696A (en) * | 2012-08-17 | 2013-02-06 | 太仓长鸿工程塑胶有限公司 | Direct head improved structure |
| GB2530876A (en) * | 2014-08-08 | 2016-04-06 | Snecma | A method of monitoring short circuits in torque motors |
| CN105179833A (en) * | 2015-08-07 | 2015-12-23 | 佛山市日丰企业有限公司 | Connecting pipe fitting with metal insert |
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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: 20120104 Termination date: 20140525 |