CN203770923U - Metal connector of composite pipes - Google Patents
Metal connector of composite pipes Download PDFInfo
- Publication number
- CN203770923U CN203770923U CN201320811043.9U CN201320811043U CN203770923U CN 203770923 U CN203770923 U CN 203770923U CN 201320811043 U CN201320811043 U CN 201320811043U CN 203770923 U CN203770923 U CN 203770923U
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- CN
- China
- Prior art keywords
- pipe
- core
- ring
- weld
- composite pipe
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- 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
The utility model discloses a metal connector of composite pipes. The metal connector comprises two core pipes, two outer clamping sleeves and a sealing piece. The two core pipes are installed on the inner surfaces of the left composite pipe and the right composite pipe respectively, the two outer clamping sleeves are installed on the outer surfaces of the left composite pipe and the right composite pipe respectively, the end faces of the two core pipes are matched, the sealing piece is installed between the matched end faces, each core pipe and the corresponding outer clamping sleeve are used in a cooperation mode, a clamping groove is formed in the peripheral face of each core pipe, a flange matched with the corresponding clamping groove is arranged at one end of each outer clamping sleeve, the axial widths of the flanges are slightly smaller than the widths of the clamping grooves, and the peripheral faces of the core pipes and the inner surfaces of the outer clamping sleeves are respectively provided with a plurality of triangular tooth grooves; when the flanges on the outer clamping sleeves are buckled and pressed in the clamping grooves in the corresponding core pipes, the outer clamping sleeves are connected with the corresponding core pipes to form a whole in the mode of tightly clamping the composite pipes; the two core pipes are connected in a locked mode through a locking piece. By means of the metal connector, when the composite pipes are connected, the core pipes, the outer clamping sleeves and the composite pipes can be connected into a whole in a buckled and pressed mode, and can be expanded by heat and contracted by cold at the same time.
Description
Technical field
The utility model relates to a kind of connection set of pipeline, refers to specifically a kind of metal joint of composite pipe, is especially applicable to SRPE and steel wire mesh frame plastic (PE) composite pipe.
Background technique
SRPE and steel wire mesh frame plastic (PE) composite pipe, is a kind of novel high-tech product, and it is widely used in the different field such as municipal engineering, dyeing, chemical industry, thermoelectric engineering.The Placement that existing SRPE and steel wire mesh frame plastic (PE) composite pipe adopt conventionally has: electric heating melting sleeve is connected, purely mould that flange connects, the pure flange of moulding of electric heating melting connects, but these three kinds of connecting means all can exist and occur the problem that cannot dismantle after leakage or seepage, pipeline connection.
At present, publication number is that the patent of CN2545457Y discloses a kind of plastic tube or plastic composite pipe metal joint, comprise two core pipes, two outer cutting ferrules, nut and Sealing, described two core pipes are contained in respectively the internal surface of left and right plastic tube or plastic composite pipe, described two outer cutting ferrules are contained in respectively the outer surface of left and right plastic tube or plastic composite pipe, described nut is connected with a core pipe, the end face of described two core pipes matches, and described Sealing is housed between counterface, and the outer cutting ferrule corresponding matching of each core Guan Yuyi is used.
From above-mentioned description, existing metal joint exists following shortcoming: when this kind of metal joint withheld, core pipe, outer card sheath button can not be locked into one, after connection cannot there is deformation along with expanding with heat and contract with cold of pipeline in this metal joint simultaneously, along with the passing of service time, easily cause the seepage of pipeline or drip and ooze.
Model utility content
The utility model provides a kind of metal joint of composite pipe, and its main purpose is to overcome existing metal joint cannot deformation occur simultaneously along with expanding with heat and contract with cold of pipeline, and easily causes the seepage of pipeline or drip the problem of oozing.
In order to solve above-mentioned technical problem, the utility model adopts following technological scheme:
A kind of metal joint of composite pipe, comprise two core pipes, two outer cutting ferrule and Sealings, this two cores pipe is contained in respectively a left side, the internal surface of right composite pipe, this two outer cutting ferrule is contained in respectively a left side, the outer surface of right composite pipe, the end face of described two core pipes matches, and described Sealing is housed between counterface, the outer cutting ferrule corresponding matching of each core Guan Yuyi is used, the outer circumferential face of described each core pipe is provided with a draw-in groove, one end of described each outer cutting ferrule is provided with one and matches with draw-in groove and axial width is slightly less than the flange of draw-in groove width, on the outer circumferential face of described each core pipe and on the internal surface of each outer cutting ferrule, be equipped with the leg-of-mutton teeth groove of multiple tracks, each outer cutting ferrule is withheld in the draw-in groove on corresponding core pipe and in the mode that clamps composite pipe and is connected as a single entity with corresponding core pipe by the flange on it, described two core pipes are locked connection by locking element.
Further, one end of described each core pipe is provided with two for the seal groove of seal ring is installed, and its other end is provided with weld-ring.
Further, described locking element comprises that two are split snap ring and two lap joint flanges, and each snap ring of splitting is arranged in the weld-ring of corresponding core pipe, and each lap joint flange is arranged in corresponding splitting on snap ring, and described two lap joint flanges are bolted.
Further, described locking element comprises two lap joint flanges, and each lap joint flange is arranged in the weld-ring of corresponding core pipe, and these two lap joint flanges are bolted.
Further, the outer circumferential face of the other end of described each core pipe is provided with taper pipe thread, the internal surface of described weld-ring is provided with tapered tread, this weld-ring is connected in by the mode of screw-thread fit on the other end of core pipe, described locking element comprises two lap joint flanges, each lap joint flange is arranged in the weld-ring of corresponding core pipe, and these two lap joint flanges are bolted.
Further, the cross section of the upper and lower end of described weld-ring is at right angles trapezoidal, and described locking element is a clip, suitable draw-in groove after the inner side of this clip is provided with and coordinates with two weld-rings, and bolt-locking is passed through in the upper and lower end of this clip.
Further, the weld-ring of a described core pipe is provided with the first right-handed thread, the weld-ring of described another core pipe is provided with the first left-handed thread, and described locking element is a nut, and this nut is provided with the second right-handed thread of coordinating with the first right-handed thread and the second left-handed thread with the first left hand thread engagement.
Further, the teeth groove that described teeth groove is right-angled triangle.
Further, described draw-in groove is annular draw-in groove, and described flange is the annular flange flange matching with annular slot.
From above-mentioned to description of the present utility model, compared to the prior art, the utlity model has following advantage: this metal joint is in the time connecting composite pipe, use is withheld instrument the flange of outer cutting ferrule is withheld and coordinated with the draw-in groove of core pipe, make the deformation of outer cutting ferrule generation undergauge, thereby impel the plastic layer generation deformation of composite pipe and be stuck in the teeth groove of outer cutting ferrule and core pipe, meanwhile, also can there is undergauge deformation and closely cooperate with the flange of outer cutting ferrule in the draw-in groove on core pipe, thereby make core pipe, outer cutting ferrule and composite pipe three are closely connected, when composite pipe in use, core pipe and outer cutting ferrule after withholding can expand with heat and contract with cold with composite pipe simultaneously, along with the passing of service time, composite pipe after connection is difficult for causing the seepage of pipeline or drips and oozes, can extend the working life of composite pipe, in addition, the seal groove of one end of core pipe can match with O RunddichtringO, prevents that the medium osmosis such as acid, alkali from corroding inner Steel Skeleton or steel wire to the inside of pipe.
Brief description of the drawings
Fig. 1 is the utility model embodiment one structural representation.
Fig. 2 is the structural representation of embodiment's one middle core pipe.
Fig. 3 is the structural representation of embodiment's one China and foreign countries' cutting ferrule.
Fig. 4 is the utility model embodiment two structural representation.
Fig. 5 is the utility model embodiment three structural representation.
Fig. 6 is the structural representation of embodiment's three middle core pipes.
Fig. 7 is the structural representation of weld-ring in embodiment three.
Fig. 8 is the utility model embodiment four structural representation.
Fig. 9 is the utility model embodiment five structural representation.
Figure 10 is the structural representation of a core pipe in embodiment five.
Figure 11 is the structural representation of another core pipe in embodiment five.
Figure 12 is the structural representation of nut in embodiment five.
Embodiment
Embodiment one
With reference to Fig. 1, Fig. 2 and Fig. 3.A kind of metal joint of composite pipe, comprise core pipe 1, core pipe 2, outer cutting ferrule 3, outer cutting ferrule 4 and Sealing 5, this core pipe 1, core pipe 2 are contained in respectively the internal surface of left and right composite pipe 6, described outer cutting ferrule 3, outer cutting ferrule 4 are contained in respectively the outer surface of left and right composite pipe 6, the end face of described core pipe 1 and core pipe 2 matches, and described Sealing 5 is housed between counterface.Described core pipe 1 uses with outer cutting ferrule 4 corresponding matching with outer cutting ferrule 3, core pipe 2, on the outer circumferential face of this core pipe 1, core pipe 2, be equipped with a draw-in groove 11, one end of described outer cutting ferrule 3, outer cutting ferrule 4 is equipped with a flange 31 matching with corresponding draw-in groove 11, the axial width of this flange 31 is slightly less than the width of draw-in groove 11, described draw-in groove 11 is annular slot, the annular flange flange of described flange 31 for matching with annular slot.On the outer circumferential face of described core pipe 1, core pipe 2, be equipped with the teeth groove 14 of multiple tracks right-angled triangle, the internal surface of described outer cutting ferrule 3, outer cutting ferrule 4 is also equipped with the teeth groove 32 of multiple tracks right-angled triangle, described outer cutting ferrule 3, outer cutting ferrule 4 are withheld in the draw-in groove 11 on corresponding core pipe and in the mode that clamps left and right composite pipe 6 and are connected as a single entity with corresponding core pipe by the flange 31 on it, and this core pipe 1 is connected by locking element 7 lockings with core pipe 2.
With reference to Fig. 1, Fig. 2 and Fig. 3.One end of described core pipe 1, core pipe 2 is equipped with two seal grooves 12 for mounting O-shaped seal ring, its the other end is provided with weld-ring 13, described locking element 7 comprises that two are split snap ring 71 and two lap joint flanges 72, each snap ring 71 of splitting is arranged in the weld-ring 72 of corresponding core pipe, each lap joint flange 72 is arranged in corresponding splitting on snap ring 71, and described two lap joint flanges 72 are bolted.
With reference to Fig. 1, Fig. 2 and Fig. 3.The working procedure of this metal joint is as follows: by core pipe 1, core pipe 2 is contained in the internal surface of composite pipe 6, outer cutting ferrule 3, outer cutting ferrule 4 is contained in the outer surface of composite pipe 6, use is withheld instrument the flange of outer cutting ferrule 31 is withheld and coordinated with the draw-in groove 11 of core pipe, make the deformation of outer cutting ferrule generation undergauge, thereby impel the plastic layer generation deformation of composite pipe and be stuck in the teeth groove of outer cutting ferrule and core pipe, meanwhile, also can there is undergauge deformation and closely cooperate with the flange 31 of outer cutting ferrule in the draw-in groove 11 on core pipe, thereby make core pipe, outer cutting ferrule and composite pipe three are closely connected, then two lap joint flanges 72 are passed through to bolt-locking, make two core assembly pipes, outer cutting ferrule and composite pipe 6 closely connect.The Placement that snap ring 71 and lap joint flange 72 are split in utilization is simple to operation in the time of construction, especially in the time of disconnected pipe continued access, can reduce the operating time, rush to repair in time.
Embodiment two
With reference to Fig. 4.The embodiment of the present embodiment and embodiment one are basic identical, and its difference is: described locking element 7 comprises two lap joint flanges 72, and each lap joint flange 72 is arranged in the weld-ring 13 of corresponding core pipe, and these two lap joint flanges 72 are bolted.When connection, after lap joint flange 72 being arranged in the weld-ring 13 of corresponding core pipe, core pipe, outer cutting ferrule and composite pipe 6 are withheld integral, then with bolt, two lap joint flanges 72 are locked, two core assembly pipes, outer cutting ferrule and composite pipe 6 are closely connected.
Embodiment three
With reference to Fig. 5, Fig. 6 and Fig. 7.The embodiment of the present embodiment and embodiment one are basic identical, its difference is: the outer circumferential face of the other end of described each core pipe is provided with taper pipe thread 15, the internal surface of described weld-ring 13 is provided with tapered tread 16, this weld-ring 13 is connected in by the mode of screw-thread fit on the other end of corresponding core pipe, described locking element 7 comprises two lap joint flanges 72, each lap joint flange 72 is arranged in the weld-ring 13 of corresponding core pipe, and these two lap joint flanges 72 are bolted.
Embodiment four
With reference to Fig. 8.The embodiment of the present embodiment and embodiment one are basic identical, its difference is: the cross section of the upper and lower end of described weld-ring 13 is at right angles trapezoidal, described locking element 7 is a clip, suitable draw-in groove 73 after the inner side of this clip is provided with and coordinates with two weld-rings 13, bolt-locking is passed through in the upper and lower end of this clip.When connection, clip is blocked to two weld-rings 13, then with bolt, the two ends of clip are locked, two core assembly pipes, outer cutting ferrule and composite pipe 6 are closely connected.
Embodiment five
With reference to Fig. 9, Figure 10, Figure 11 and Figure 12.The embodiment of the present embodiment and embodiment one are basic identical, its difference is: the weld-ring 13 of described core pipe 1 is provided with the first right-handed thread 131, the weld-ring 13 of described core pipe 2 is provided with the first left-handed thread 132, described locking element 7 is a nut, and this nut is provided with the second right-handed thread 74 coordinating with the first right-handed thread 131 and the second left-handed thread 75 coordinating with the first left-handed thread 132.When connection, the weld-ring of the weld-ring of core pipe 1 13 and core pipe 2 is inserted in nut, then twisted nut two core assembly pipes, outer cutting ferrule and composite pipe 6 are closely connected.
Above are only embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.
Claims (9)
1. the metal joint of a composite pipe, comprise two core pipes, two outer cutting ferrule and Sealings, this two cores pipe is contained in respectively a left side, the internal surface of right composite pipe, this two outer cutting ferrule is contained in respectively a left side, the outer surface of right composite pipe, the end face of described two core pipes matches, and described Sealing is housed between counterface, the outer cutting ferrule corresponding matching of each core Guan Yuyi is used, it is characterized in that: the outer circumferential face of described each core pipe is provided with a draw-in groove, one end of described each outer cutting ferrule is provided with one and matches with draw-in groove and axial width is slightly less than the flange of draw-in groove width, on the outer circumferential face of described each core pipe and on the internal surface of each outer cutting ferrule, be equipped with the leg-of-mutton teeth groove of multiple tracks, each outer cutting ferrule is withheld in the draw-in groove on corresponding core pipe and in the mode that clamps composite pipe and is connected as a single entity with corresponding core pipe by the flange on it, described two core pipes are locked connection by locking element.
2. the metal joint of a kind of composite pipe as claimed in claim 1, is characterized in that: one end of described each core pipe is provided with two for the seal groove of seal ring is installed, and its other end is provided with weld-ring.
3. the metal joint of a kind of composite pipe as claimed in claim 2, it is characterized in that: described locking element comprises that two are split snap ring and two lap joint flanges, each snap ring of splitting is arranged in the weld-ring of corresponding core pipe, each lap joint flange is located at corresponding splitting on snap ring, and described two lap joint flanges are bolted.
4. the metal joint of a kind of composite pipe as claimed in claim 2, is characterized in that: described locking element comprises two lap joint flanges, and each lap joint flange is arranged in the weld-ring of corresponding core pipe, and these two lap joint flanges are bolted.
5. the metal joint of a kind of composite pipe as claimed in claim 2, it is characterized in that: the outer circumferential face of the other end of described each core pipe is provided with taper pipe thread, the internal surface of described weld-ring is provided with tapered tread, this weld-ring is connected in by the mode of screw-thread fit on the other end of core pipe, described locking element comprises two lap joint flanges, each lap joint flange is arranged in the weld-ring of corresponding core pipe, and these two lap joint flanges are bolted.
6. the metal joint of a kind of composite pipe as claimed in claim 2, it is characterized in that: the cross section of the upper and lower end of described weld-ring is at right angles trapezoidal, described locking element is a clip, suitable draw-in groove after the inner side of this clip is provided with and coordinates with two weld-rings, bolt-locking is passed through in the upper and lower end of this clip.
7. the metal joint of a kind of composite pipe as claimed in claim 2, it is characterized in that: the weld-ring of a described core pipe is provided with the first right-handed thread, the weld-ring of described another core pipe is provided with the first left-handed thread, described locking element is a nut, and this nut is provided with the second right-handed thread of coordinating with the first right-handed thread and the second left-handed thread with the first left hand thread engagement.
8. the metal joint of a kind of composite pipe as claimed in claim 1, is characterized in that: the teeth groove that described teeth groove is right-angled triangle.
9. the metal joint of a kind of composite pipe as claimed in claim 1, is characterized in that: described draw-in groove is annular slot, and described flange is the annular flange flange matching with annular slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811043.9U CN203770923U (en) | 2013-12-11 | 2013-12-11 | Metal connector of composite pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811043.9U CN203770923U (en) | 2013-12-11 | 2013-12-11 | Metal connector of composite pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770923U true CN203770923U (en) | 2014-08-13 |
Family
ID=51288114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320811043.9U Expired - Fee Related CN203770923U (en) | 2013-12-11 | 2013-12-11 | Metal connector of composite pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770923U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333262A (en) * | 2015-11-26 | 2016-02-17 | 华英伦科技(宁波)有限公司 | Cold-expanding, cold-hooping and self-sealing connecting type plastic floor heating pipe fitting |
| CN106225771A (en) * | 2016-08-29 | 2016-12-14 | 中航勘察设计研究院有限公司 | A kind of aided measurement device for inclinometer |
| CN117704180A (en) * | 2024-02-06 | 2024-03-15 | 江苏百恒管业有限公司 | Adjustable steel skeleton polyethylene composite pipe protective sleeve |
-
2013
- 2013-12-11 CN CN201320811043.9U patent/CN203770923U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333262A (en) * | 2015-11-26 | 2016-02-17 | 华英伦科技(宁波)有限公司 | Cold-expanding, cold-hooping and self-sealing connecting type plastic floor heating pipe fitting |
| CN106225771A (en) * | 2016-08-29 | 2016-12-14 | 中航勘察设计研究院有限公司 | A kind of aided measurement device for inclinometer |
| CN117704180A (en) * | 2024-02-06 | 2024-03-15 | 江苏百恒管业有限公司 | Adjustable steel skeleton polyethylene composite pipe protective sleeve |
| CN117704180B (en) * | 2024-02-06 | 2024-04-30 | 江苏百恒管业有限公司 | Adjustable steel skeleton polyethylene composite pipe protective sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20171211 |