CN202100875U - Water pipe elbow with metal sleeve - Google Patents

Water pipe elbow with metal sleeve Download PDF

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Publication number
CN202100875U
CN202100875U CN2011201689615U CN201120168961U CN202100875U CN 202100875 U CN202100875 U CN 202100875U CN 2011201689615 U CN2011201689615 U CN 2011201689615U CN 201120168961 U CN201120168961 U CN 201120168961U CN 202100875 U CN202100875 U CN 202100875U
Authority
CN
China
Prior art keywords
metallic sheath
straight length
inserts
length
water pipe
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
Application number
CN2011201689615U
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Chinese (zh)
Inventor
吴伟国
Original Assignee
吴伟国
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 吴伟国 filed Critical 吴伟国
Priority to CN2011201689615U priority Critical patent/CN202100875U/en
Application granted granted Critical
Publication of CN202100875U publication Critical patent/CN202100875U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A water pipe elbow with a metal sleeve comprises a first straight pipe section, a second straight pipe section and an arched transition section connected with the first straight pipe section and the second straight pipe section, wherein a threaded insert is arranged in the first straight pipe section, the metal sleeve is arranged on the outer wall of the first straight pipe section and provided with a sleeve body coated on the outer wall of the first straight pipe section and an end wall coated on the end face of the first straight pipe section, and part of the sleeve body is inserted into the first straight pipe section. The water pipe elbow is characterized in that 20%-50% of the whole sleeve body in length is inserted into the first straight pipe section. The part of the metal sleeve, which is inserted into the first straight pipe section, is relatively long, thereby improving the fixing strength of the mental sleeve, and enabling the metal sleeve to be not easy to drop off.

Description

A kind of water pipe elbow that has metallic sheath
Technical field
The utility model relates to a kind of water pipe pipe fitting, relates in particular to a kind of water pipe connecting bend with threaded insert and metallic sheath.
Background technique
PP-R bend pipe tools of the prior art in one of them straight length 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 water pipe elbow that has metallic sheath firm, safe and reliable, that should not leak of installing is provided.
A kind of water pipe elbow that has metallic sheath that provides according to the utility model; Comprise first straight length, second straight length and be connected the arc-shaped transition section of said first straight length and said second straight length; Be provided with threaded insert in said first straight length; The outer wall of said first straight length is provided with metallic sheath; Said metallic sheath has body that is coated on the said first straight length outer wall and the end wall that is coated on the said first straight length end face, and the part of said body is inserted in said first straight length, and the length that said body inserts in said first straight length is the 20%-50% of said body total length.
A kind of water pipe elbow 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 straight length has flange.
Be formed with hexagonal on the outer wall of said first straight length 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 water pipe elbow that has metallic sheath that provides according to the utility model compared with prior art has following advantage: at first; The length that metallic sheath in the utility model inserts first straight length is bigger; Improved the constant intensity of metallic sheath, made its difficult drop-off; Secondly, metallic sheath inserts first straight length end formedly has a flange, and said flange further improves the join strength of the metallic sheath and first straight length, 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 water pipe elbow that has metallic sheath that provides at the utility model; Comprise first straight length 1, second straight length 2 and be connected the arc-shaped transition section 3 of said first straight length 1 and said second straight length 2; Be provided with threaded insert 4 in said first straight length 1; The outer wall of said first straight length 1 is provided with metallic sheath 5; Said metallic sheath 5 has body 51 that is coated on said first straight length, 1 outer wall and the end wall 52 that is coated on said first straight length, 1 end face, and the part 511 of said body 51 is inserted in said first straight length 1, and the length L 1 that said body 51 inserts in said first straight length 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 straight length 1 is long, thereby can metallic sheath 5 is fixing, makes its difficult drop-off.First straight length 1, second straight length 2 and changeover portion 3 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 straight length 1 end formedly has a flange 512.Said flange 512 can further improve the join strength of the metallic sheath 5 and first straight length 1, and it more should not be come off.
Referring to Fig. 1, Fig. 2 and Fig. 3, in the foregoing description that the utility model provides, be formed with hexagonal on the outer wall of said first straight length 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 straight length 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. water pipe elbow that has metallic sheath; Comprise first straight length, second straight length and be connected the arc-shaped transition section of said first straight length and said second straight length; Be provided with threaded insert in said first straight length; The outer wall of said first straight length is provided with metallic sheath; Said metallic sheath has body that is coated on the said first straight length outer wall and the end wall that is coated on the said first straight length end face, and the part of said body is inserted in said first straight length, it is characterized in that: the length that said body inserts in said first straight length is the 20%-50% of said body total length.
2. a kind of water pipe elbow that has metallic sheath as claimed in claim 1 is characterized in that: said body inserts end formed in said first straight length has flange.
3. a kind of water pipe elbow that has metallic sheath as claimed in claim 1 is characterized in that: be formed with hexagonal on the outer wall of said first straight length and clamp portion, the part of said body is inserted said clamping in the portion.
4. a kind of water pipe elbow 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 water pipe elbow 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 water pipe elbow 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 water pipe elbows 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 water pipe elbow 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 water pipe elbow that has metallic sheath as claimed in claim 1 is characterized in that: said threaded insert is copper threaded insert.
CN2011201689615U 2011-05-25 2011-05-25 Water pipe elbow with metal sleeve Expired - Fee Related CN202100875U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201689615U CN202100875U (en) 2011-05-25 2011-05-25 Water pipe elbow with metal sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201689615U CN202100875U (en) 2011-05-25 2011-05-25 Water pipe elbow with metal sleeve

Publications (1)

Publication Number Publication Date
CN202100875U true CN202100875U (en) 2012-01-04

Family

ID=45386885

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201689615U Expired - Fee Related CN202100875U (en) 2011-05-25 2011-05-25 Water pipe elbow with metal sleeve

Country Status (1)

Country Link
CN (1) CN202100875U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748554A (en) * 2012-07-05 2012-10-24 太仓长鸿工程塑胶有限公司 90-degree corner joint
CN102748552A (en) * 2012-07-05 2012-10-24 太仓长鸿工程塑胶有限公司 Tee joint
CN104197138A (en) * 2014-09-06 2014-12-10 刘宇兴 Galvanized elbow

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748554A (en) * 2012-07-05 2012-10-24 太仓长鸿工程塑胶有限公司 90-degree corner joint
CN102748552A (en) * 2012-07-05 2012-10-24 太仓长鸿工程塑胶有限公司 Tee joint
CN104197138A (en) * 2014-09-06 2014-12-10 刘宇兴 Galvanized elbow

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120104

Termination date: 20140525

C17 Cessation of patent right