CN202733235U - Weldless seal pipe joint structure - Google Patents
Weldless seal pipe joint structure Download PDFInfo
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- CN202733235U CN202733235U CN2012204212890U CN201220421289U CN202733235U CN 202733235 U CN202733235 U CN 202733235U CN 2012204212890 U CN2012204212890 U CN 2012204212890U CN 201220421289 U CN201220421289 U CN 201220421289U CN 202733235 U CN202733235 U CN 202733235U
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- threaded connector
- connector coupling
- pipeline
- pipe joint
- annular protrusion
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- 230000008878 coupling Effects 0.000 claims description 88
- 238000010168 coupling process Methods 0.000 claims description 88
- 238000005859 coupling reaction Methods 0.000 claims description 88
- 238000012856 packing Methods 0.000 claims description 34
- 238000005493 welding type Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/025—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
- F16L19/028—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
The utility model discloses a weldless seal pipe joint structure, belonging to a seal pipe joint structure. The weldless seal pipe joint structure comprises two pipes, wherein the two pipes are arbitrary in length, the two ends of the two pipes are mutually opposite, the two opposite ends of the two pipes with arbitrary lengths are respectively sleeved with a nut, a threading joint is arranged between the two pipes with arbitrary lengths and two opposite ends, the two pipes enter the inside of the threading joint from the two ends of the threading joint and are in tight contact with the inner wall of the threading joint, the outer sides of the two ends of the threading joint are respectively provided with an external thread, and the nuts are sleeved at the two ends of the pipes and fixed at the two ends of the threading joint through the external threads. The weldless seal pipe joint structure disclosed by the utility model has advantages of simple structure, good performance, light weight, small volume, convenience in use, no need of welding, non-strict requirements for the axial dimensions of pipes, and the like.
Description
Technical field
The utility model relates to a kind of sealed pipe joint structure, and in particular, the utility model relates generally to a kind of no-welding type sealed pipe joint structure.
Background technique
At present, pipe joint is used comparatively extensive in the Fluid Transport field, is used for the fluid system pipeline and is connected with element with pipeline, pipeline, belongs to removable connection.Mainly contain the forms such as Welded fitting, flared fitting, Bite type fittings.During use, Welded fitting is connected with steel-pipe welding in the fluid system pipeline, is characterized in being connected firmly, seals reliable, withstand voltage height, is present most widely used a kind of Connecting format, but its welding job amount in actual applications is larger, uses comparatively inconvenience.And flared fitting places between the internal taper hole of the male cone (strobilus masculinus) of fittings body and pipe box by being washed into bell-mouthed pipe, screw the horn mouth pressurized that nut makes pipe, squeeze and to be affixed in the gap that fittings body male cone (strobilus masculinus) and pipe box internal taper hole produce, thereby play seal action.Flared fitting is simple in structure, functional, processing and easy to use, be applicable to take oil, gas in medium, the low pressure line system, but its working pressure depends on the allowable pressure of tubing, is generally 3.5MPa～16MPa, so the pressure of its use is generally lower.Bite type fittings makes cutting ferrule be pushed into 24 ° of taper holes by screwing nut, and thereupon distortion, makes cutting ferrule and fittings body inner conical surface form the sphere-contact sealing; Simultaneously, the inner cutter hole of cutting ferrule embeds the outer wall of oil pipe, extrudes an annular groove at outer wall, thereby plays reliable seal action.That Bite type fittings has is simple in structure, functional, quality is light, volume is little, easy to use, need not weld, steel shaft is to the advantage such as size requirement is not tight, and resistance to shock is good, working pressure can reach 31.5MPa, but cutting ferrule has not re-usable characteristics, so cost in actual applications is higher.
The model utility content
One of the purpose of this utility model is to solve above-mentioned deficiency, a kind of no-welding type sealed pipe joint structure is provided, solves large, the technical problems such as the flared fitting working pressure is low, the not reproducible use of Bite type fittings cutting ferrule of existing Welded fitting welding capacity in the prior art with expectation.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of no-welding type sealed pipe joint structure provided by the utility model, comprise the relative pipeline of two random lengthss and two ends, the pipeline of described two random lengthss is set with nut on the relative two ends respectively, also be provided with Threaded Connector Coupling between the relative pipeline in described two random lengthss and two ends, and two pipelines enter its inside by the two ends to Threaded Connector Coupling, and with inwall close contact to Threaded Connector Coupling, the outside, the two ends of Threaded Connector Coupling is equipped with outside thread, and nut sleeve is contained on the two ends of pipeline and is fixed on two ends to Threaded Connector Coupling by described outside thread; Described inboard, two ends to Threaded Connector Coupling also is provided with at least one deck ring packing step, and the pipeline of two random lengthss is equipped with an annular protrusion near the relative two ends, form the annular space between this annular protrusion and the described ring packing step, be provided with back-up ring and O RunddichtringO in the described annular space, and back-up ring places the outside of O RunddichtringO.
Further technological scheme is: described annular protrusion is circular-arc, and the top of circular-arc annular protrusion and ring packing step close contact to inboard, Threaded Connector Coupling two ends.
Further technological scheme is: the cross section of described back-up ring is triangular in shape, and hoop inserts the surface of contact of circular-arc annular protrusion and ring packing step.
Further technological scheme is: described ring packing step to inboard, Threaded Connector Coupling two ends is two-layer, wherein near to the one deck at Threaded Connector Coupling two ends and the top close contact of annular protrusion, and the outer wall close contact of another layer and pipeline.
Further technological scheme is: after the pipeline of described two random lengthss entered two ends to Threaded Connector Coupling, their medial axis overlapped with medial axis to Threaded Connector Coupling.
Further technological scheme is: described nut equates with maximum diameter to the Threaded Connector Coupling cross section.
The utility model also provides no-welding type sealed pipe joint structure a kind of and that said structure is similar, the pipeline and the connecting element with internal thread that comprise a random lengths, be set with nut on the pipeline of described random lengths, the pipeline of described random lengths and having between the connecting element of internal thread also is provided with Threaded Connector Coupling, and pipeline enters its inside by the wherein end to Threaded Connector Coupling, and with inwall close contact to Threaded Connector Coupling, the outside, two ends to Threaded Connector Coupling is equipped with outside thread, nut sleeve is contained on the pipeline and is fixed on this end to Threaded Connector Coupling by described outside thread, described to Threaded Connector Coupling also the outside thread by its other end outside interfix with the internal thread of connecting element and be communicated with; The end inboard that described pipeline enters Threaded Connector Coupling also is provided with at least one deck ring packing step, and be provided with an annular protrusion near the end face of pipeline, form the annular space between this annular protrusion and the described ring packing step, be provided with back-up ring and O RunddichtringO in the described annular space, and back-up ring places the outside of O RunddichtringO.
Further technological scheme is: described annular protrusion is circular-arc, and the top of circular-arc annular protrusion and ring packing step close contact to the Threaded Connector Coupling inboard; The cross section of described back-up ring is triangular in shape, and hoop inserts the surface of contact of circular-arc annular protrusion and ring packing step.
Further technological scheme is: described ring packing step to the Threaded Connector Coupling inboard is two-layer, wherein near ring packing step place to one deck of Threaded Connector Coupling one end end face and the top close contact of annular protrusion, the outer wall close contact of another layer and pipeline; Described to also being provided with seal ring between Threaded Connector Coupling and the connecting element.
Further technological scheme is: after the pipeline of described random lengths entered a wherein end to Threaded Connector Coupling, its medial axis overlapped with medial axis to Threaded Connector Coupling; Described nut equates with maximum diameter to the Threaded Connector Coupling cross section.
Compared with prior art, one of the beneficial effects of the utility model are: by in the annular space that forms back-up ring and O RunddichtringO are set between annular protrusion and described ring packing step, when in the pipeline pressure oil being arranged, pressure oil enters this annular space, thereby make O RunddichtringO single face pressurized produce distortion, play reliable seal action, effectively solved the not high and leakage problem that causes of connecting tube axial machining accuracy, and the utility model also has simple in structure, and is functional, the light volume of quality is little, easy to use, need not welding, to the advantage such as the pipeline axial size requirement is not tight.
Description of drawings
Fig. 1 is for being used for an embodiment's of explanation the utility model structural representation;
Fig. 2 is the A place partial enlarged drawing of Fig. 1;
Fig. 3 is for being used for another embodiment's of explanation the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
Fig. 1 shows an embodiment's of the utility model structural representation, with reference to shown in Figure 1, this embodiment of the present utility model is no-welding type sealed pipe joint structure, comprising the relative pipeline 11 of two random lengthss and two ends, and on the relative two ends of the pipeline 11 of two random lengthss, be set with respectively a nut 12.The aforementioned random lengths of mentioning refers to the utility model in actual applications, can adopt according to different situations the pipeline of random lengths.And also be provided with Threaded Connector Coupling 13 between the relative pipeline 11 in aforementioned two two ends mentioning, and two pipelines 11 enter its inside by the two ends to Threaded Connector Coupling 13, and with inwall close contact to Threaded Connector Coupling 13, the outside, the two ends of Threaded Connector Coupling 13 is equipped with outside thread 131, and nut 12 is sleeved on the two ends of pipeline 11 and is fixed on two ends to Threaded Connector Coupling 13 by described outside thread 131; Described inboard, two ends to Threaded Connector Coupling 13 also is provided with at least one deck ring packing step 132, and the pipeline 11 of two random lengthss is equipped with an annular protrusion 111 near the relative two ends, form the annular space between this annular protrusion 111 and the described ring packing step 132, be provided with back-up ring 14 and O RunddichtringO 15 in the described annular space, and back-up ring 14 places the outside of O RunddichtringO 15.The aforementioned O RunddichtringO that adopts 15 adopts rubber to make, and can produce distortion when it is squeezed power.
Again with reference to shown in Figure 1, according to another embodiment of the present utility model: described annular protrusion 111 is circular-arc, and the top of circular-arc annular protrusion 111 and ring packing step 132 close contacts to inboard, Threaded Connector Coupling 13 two ends.
With reference to shown in Figure 2, in conjunction with foregoing, the utility model is set to cross section form triangular in shape with respect to an above-mentioned embodiment who is more preferably with the above-mentioned back-up ring of mentioning 14, and hoop inserts the surface of contact of circular-arc annular protrusion 111 and ring packing step 132.
Equally, as preferably, the utility model is on the basis of above-described embodiment, also can make other further improvement, again as shown in Figure 1, to be two-layer to the ring packing step 132 of inboard, Threaded Connector Coupling 13 two ends for example, wherein near to the one deck at Threaded Connector Coupling 13 two ends and the top close contact of annular protrusion 111, the outer wall close contact of another layer and pipeline 11.For promoting the cooperate degree between Threaded Connector Coupling 13 and the pipeline 11, promote the effect of its enforcement, after the pipeline 11 that is preferably in two random lengthss enters two ends to Threaded Connector Coupling 13, be adjusted into their medial axis and to the medial axis of Threaded Connector Coupling 13 and overlap.Described nut 12 equates with maximum diameter to Threaded Connector Coupling 13 cross sections.
Shown in Fig. 3 is the structural representation of another similar embodiment of the utility model, with reference to shown in Figure 3, the utility model another and above-mentioned similar embodiment also are a kind of no-welding type sealed pipe joint structures, the pipeline 21 and the connecting element 26 with internal thread that comprise a random lengths, be set with nut 22 on the pipeline 21 of described random lengths, the pipeline 21 of described random lengths and having between the connecting element 26 of internal thread also is provided with Threaded Connector Coupling 23, and pipeline 21 enters its inside by the wherein end to Threaded Connector Coupling 23, and with inwall close contact to Threaded Connector Coupling 23, the outside, two ends to Threaded Connector Coupling 23 is equipped with outside thread 231, nut 22 is sleeved on the pipeline 21 and is fixed on this end to Threaded Connector Coupling 23 by described outside thread 231, described to Threaded Connector Coupling 23 also the outside thread 231 by its other end outside interfix with the internal thread of connecting element 26 and be communicated with; The end inboard that described pipeline 21 enters Threaded Connector Coupling 23 also is provided with at least one deck ring packing step 232, and be provided with an annular protrusion 211 near the end face of pipeline 21, form the annular space between this annular protrusion 211 and the described ring packing step 232, be provided with back-up ring 24 and O RunddichtringO 25 in the described annular space, and back-up ring 24 places the outside of O RunddichtringO 25.
What also can be further improved in above-described embodiment is as follows:
Described annular protrusion 211 is circular-arc, and the top of circular-arc annular protrusion 211 with to ring packing step 232 close contacts of Threaded Connector Coupling 23 inboards; The cross section of described back-up ring 24 is triangular in shape, and hoop inserts the surface of contact of circular-arc annular protrusion 211 and ring packing step 232.
Above-mentioned ring packing step 232 to Threaded Connector Coupling 23 inboards preferably is set to two-layer, wherein near ring packing step 232 places to one deck of Threaded Connector Coupling 23 1 end end faces and the top close contact of annular protrusion 211, the outer wall close contact of another layer and pipeline 21.For guaranteeing the sealing between Threaded Connector Coupling 23 and the connecting element 26, be preferably in also setting up seal ring between Threaded Connector Coupling 23 and the connecting element 26, and the sealing circle is identical with the sealing principle of above-mentioned O RunddichtringO 25.
After the pipeline 21 of described random lengths entered a wherein end to Threaded Connector Coupling 23, its medial axis overlapped with medial axis to Threaded Connector Coupling 23; Described nut 22 equates with maximum diameter to Threaded Connector Coupling 23 cross sections.
No-welding type sealed pipe joint structure of the present utility model is divided into nut, pipeline, ring washer, O RunddichtringO, to Threaded Connector Coupling five parts, its processing mode is: by course of working one pipeline to be connected is inserted in the annular protrusion on the processing one end behind the nut, puts ring washer and O RunddichtringO; Insert Threaded Connector Coupling by course of working two again, screw nut with to Threaded Connector Coupling; The formation pipe joint connects.
The utility model sealing principle is between to Threaded Connector Coupling and pipeline back-up ring and O RunddichtringO to be installed, when in the pipeline pressure oil being arranged, pressure oil enters the gap between Threaded Connector Coupling and the pipeline, thereby make O RunddichtringO single face pressurized, producing distortion in time seals the gap between Threaded Connector Coupling and the pipeline, and single face pressure is larger, and then to seal the power in gap also larger for the O RunddichtringO, thereby play reliable seal action.Described nut can directly adopt standard piece, and pipeline then adopts generally can be realized with the steel tube forming machine; Back-up ring is non-standard not then, can be according to different sealing situation self-control, and wherein the O RunddichtringO also is standard piece.The combination of O RunddichtringO and back-up ring effectively solves the not high and leakage problem that causes of the axial machining accuracy of connecting tube.Described is self-made components to Threaded Connector Coupling, cooperates with nut to realize the fastening of joint, and cooperates the combination seal function of aforementioned O RunddichtringO and back-up ring.The utlity model has simple in structure, functional, quality is light, volume is little, easy to use, need not weld, the advantage such as the pipeline axial size requirement is not tight, and resistance to shock is good, working pressure can reach 42MPa, and also reusable to Threaded Connector Coupling, user cost is lower.
" embodiment " who speaks of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included among at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiments this feature, structure or characteristics also drop in the scope of the present utility model.
Although with reference to a plurality of explanatory embodiments of the present utility model the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and mode of executions, and these are revised and mode of execution will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to constituent elements and/or the layout of subject combination layout.Except modification that constituent elements and/or layout are carried out with improving, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. no-welding type sealed pipe joint structure, comprise the pipeline (11) that two random lengthss and two ends are relative, the pipeline of described two random lengthss (11) is set with nut (12) on the relative two ends respectively, it is characterized in that: also be provided with Threaded Connector Coupling (13) between the relative pipeline (11) in described two random lengthss and two ends, and two pipelines (11) enter its inside by the two ends to Threaded Connector Coupling (13), and with inwall close contact to Threaded Connector Coupling (13), the outside, the two ends of Threaded Connector Coupling (13) is equipped with outside thread (131), and nut (12) is sleeved on the two ends of pipeline (11) and is fixed on two ends to Threaded Connector Coupling (13) by described outside thread (131); Described inboard, two ends to Threaded Connector Coupling (13) also is provided with at least one deck ring packing step (132), and the pipeline of two random lengthss (11) is equipped with an annular protrusion (111) near the relative two ends, form the annular space between this annular protrusion (111) and the described ring packing step (132), be provided with back-up ring (14) and O RunddichtringO (15) in the described annular space, and back-up ring (14) places the outside of O RunddichtringO (15).
2. no-welding type sealed pipe joint structure according to claim 1, it is characterized in that: described annular protrusion (111) is circular-arc, and the top of circular-arc annular protrusion (111) with to ring packing step (132) close contact of Threaded Connector Coupling (13) inboard, two ends.
3. no-welding type sealed pipe joint structure according to claim 2, it is characterized in that: the cross section of described back-up ring (14) is triangular in shape, and hoop inserts the surface of contact of circular-arc annular protrusion (111) and ring packing step (132).
4. no-welding type sealed pipe joint structure according to claim 1 and 2, it is characterized in that: described ring packing step (132) to Threaded Connector Coupling (13) inboard, two ends is two-layer, wherein near to the one deck at Threaded Connector Coupling (13) two ends and the top close contact of annular protrusion (111), the outer wall close contact of another layer and pipeline (11).
5. no-welding type sealed pipe joint structure according to claim 1, it is characterized in that: after the pipeline of described two random lengthss (11) entered two ends to Threaded Connector Coupling (13), their medial axis overlapped with medial axis to Threaded Connector Coupling (13).
6. no-welding type sealed pipe joint structure according to claim 1 is characterized in that: described nut (12) equates with maximum diameter to Threaded Connector Coupling (13) cross section.
7. no-welding type sealed pipe joint structure, the pipeline (21) and the connecting element (26) with internal thread that comprise a random lengths, be set with nut (22) on the pipeline of described random lengths (21), it is characterized in that: the pipeline of described random lengths (21) and having between the connecting element (26) of internal thread also is provided with Threaded Connector Coupling (23), and pipeline (21) enters its inside by the wherein end to Threaded Connector Coupling (23), and with inwall close contact to Threaded Connector Coupling (23), the outside, two ends to Threaded Connector Coupling (23) is equipped with outside thread (231), it is upper and be fixed on this end to Threaded Connector Coupling (23) by described outside thread (231) that nut (22) is sleeved on pipeline (21), described Threaded Connector Coupling (23) is also interfixed with the internal thread of connecting element (26) by the outside thread (231) outside its other end and is communicated with; The end inboard that described pipeline (21) enters Threaded Connector Coupling (23) also is provided with at least one deck ring packing step (232), and be provided with an annular protrusion (211) near the end face of pipeline (21), form the annular space between this annular protrusion (211) and the described ring packing step (232), be provided with back-up ring (24) and O RunddichtringO (25) in the described annular space, and back-up ring (24) places the outside of O RunddichtringO (25).
8. no-welding type sealed pipe joint structure according to claim 7, it is characterized in that: described annular protrusion (211) is circular-arc, and the top of circular-arc annular protrusion (211) with to inboard ring packing step (232) close contact of Threaded Connector Coupling (23); The cross section of described back-up ring (24) is triangular in shape, and hoop inserts the surface of contact of circular-arc annular protrusion (211) and ring packing step (232).
9. according to claim 7 or 8 described no-welding type sealed pipe joint structures, it is characterized in that: described is two-layer to the inboard ring packing step (232) of Threaded Connector Coupling (23), wherein near ring packing step (232) place to one deck of Threaded Connector Coupling (23) one end end faces and the top close contact of annular protrusion (211), another layer and the outer wall close contact of pipeline (21); Described to also being provided with seal ring between Threaded Connector Coupling (23) and the connecting element (26).
10. no-welding type sealed pipe joint structure according to claim 7 is characterized in that: after the pipeline of described random lengths (21) entered a wherein end to Threaded Connector Coupling (23), its medial axis overlapped with medial axis to Threaded Connector Coupling (23); Described nut (22) equates with maximum diameter to Threaded Connector Coupling (23) cross section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204212890U CN202733235U (en) | 2012-08-23 | 2012-08-23 | Weldless seal pipe joint structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204212890U CN202733235U (en) | 2012-08-23 | 2012-08-23 | Weldless seal pipe joint structure |
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| CN202733235U true CN202733235U (en) | 2013-02-13 |
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| CN2012204212890U Expired - Fee Related CN202733235U (en) | 2012-08-23 | 2012-08-23 | Weldless seal pipe joint structure |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO337808B1 (en) * | 2014-06-19 | 2016-06-27 | Braathen Thor F | Connection for connecting water pipes |
| WO2017026898A1 (en) | 2015-08-10 | 2017-02-16 | Thor Frölich Braathen | A fitting to connect water pipes |
| CN106641517A (en) * | 2015-10-30 | 2017-05-10 | 域鑫科技（惠州）有限公司 | Pipe joint and machining method thereof |
| CN106639901A (en) * | 2016-11-21 | 2017-05-10 | 东营市金亿来石油机械有限公司 | Sealing leakage-prevention device of connecting joints of oil pipe |
| CN106958699A (en) * | 2017-05-25 | 2017-07-18 | 无锡市金羊管道附件有限公司 | A kind of shock-proof connector |
| CN107035924A (en) * | 2017-06-01 | 2017-08-11 | 曾广新 | Built-in sealed connection unit, component and pipe-line system |
| CN107578865A (en) * | 2017-07-13 | 2018-01-12 | 中国电力科学研究院 | Insulation sleeve |
| CN108758122A (en) * | 2018-08-02 | 2018-11-06 | 佛山市澳仕乐雅居建材有限公司 | A kind of three-way pipeline connector |
| CN108825903A (en) * | 2018-08-23 | 2018-11-16 | 珠海格力电器股份有限公司 | Pipeline connecting device and pipeline |
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| CN110848481A (en) * | 2019-09-30 | 2020-02-28 | 北汽福田汽车股份有限公司 | Pipe joint, engine assembly and vehicle |
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| CN113217720A (en) * | 2021-05-31 | 2021-08-06 | 东风商用车有限公司 | Air pressure steel pipe sealing structure for automobile |
| CN113483166A (en) * | 2021-07-19 | 2021-10-08 | 伊顿液压(宁波)有限公司 | Integrally formed steel pipe with vibration-damping tensile structure and forming process thereof |
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| CN115303806A (en) * | 2022-06-01 | 2022-11-08 | 贵州省习水鼎泰能源开发有限责任公司 | A double casing ash conveying pipe structure |
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2012
- 2012-08-23 CN CN2012204212890U patent/CN202733235U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO337808B1 (en) * | 2014-06-19 | 2016-06-27 | Braathen Thor F | Connection for connecting water pipes |
| US10663094B2 (en) | 2015-08-10 | 2020-05-26 | Thor Frölich Braathen | Fitting to connect water pipes |
| WO2017026898A1 (en) | 2015-08-10 | 2017-02-16 | Thor Frölich Braathen | A fitting to connect water pipes |
| EP3334966A4 (en) * | 2015-08-10 | 2019-03-20 | Thor Froelich Braathen | CONNECTOR FOR CONNECTING WATER CONDUITS |
| CN106641517A (en) * | 2015-10-30 | 2017-05-10 | 域鑫科技（惠州）有限公司 | Pipe joint and machining method thereof |
| CN106639901A (en) * | 2016-11-21 | 2017-05-10 | 东营市金亿来石油机械有限公司 | Sealing leakage-prevention device of connecting joints of oil pipe |
| CN106958699A (en) * | 2017-05-25 | 2017-07-18 | 无锡市金羊管道附件有限公司 | A kind of shock-proof connector |
| CN107035924A (en) * | 2017-06-01 | 2017-08-11 | 曾广新 | Built-in sealed connection unit, component and pipe-line system |
| CN107578865A (en) * | 2017-07-13 | 2018-01-12 | 中国电力科学研究院 | Insulation sleeve |
| CN107578865B (en) * | 2017-07-13 | 2020-07-28 | 中国电力科学研究院 | Insulation ferrule |
| CN108758122A (en) * | 2018-08-02 | 2018-11-06 | 佛山市澳仕乐雅居建材有限公司 | A kind of three-way pipeline connector |
| CN108825903A (en) * | 2018-08-23 | 2018-11-16 | 珠海格力电器股份有限公司 | Pipeline connecting device and pipeline |
| CN110332385A (en) * | 2019-08-09 | 2019-10-15 | 中国重汽集团济南动力有限公司 | A kind of novel seal is to silk component |
| CN110848481A (en) * | 2019-09-30 | 2020-02-28 | 北汽福田汽车股份有限公司 | Pipe joint, engine assembly and vehicle |
| CN110898551A (en) * | 2019-12-20 | 2020-03-24 | 宜兴市海纳环境工程有限公司 | High efficiency sack cleaner |
| CN113217720A (en) * | 2021-05-31 | 2021-08-06 | 东风商用车有限公司 | Air pressure steel pipe sealing structure for automobile |
| CN113483166A (en) * | 2021-07-19 | 2021-10-08 | 伊顿液压(宁波)有限公司 | Integrally formed steel pipe with vibration-damping tensile structure and forming process thereof |
| CN113898807A (en) * | 2021-10-16 | 2022-01-07 | 佛山市衍德金属科技有限公司 | Pipe connection structure |
| CN115303806A (en) * | 2022-06-01 | 2022-11-08 | 贵州省习水鼎泰能源开发有限责任公司 | A double casing ash conveying pipe structure |
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