CN203823269U - Pipeline sealing assembly for dynamic pipeline system - Google Patents

Pipeline sealing assembly for dynamic pipeline system Download PDF

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Publication number
CN203823269U
CN203823269U CN201420152694.6U CN201420152694U CN203823269U CN 203823269 U CN203823269 U CN 203823269U CN 201420152694 U CN201420152694 U CN 201420152694U CN 203823269 U CN203823269 U CN 203823269U
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China
Prior art keywords
pipeline
axial
input component
pressure input
dynamic
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CN201420152694.6U
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Chinese (zh)
Inventor
袁勇
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RUIFU PIPELINE SYSTEM CO Ltd SHANGHAI
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RUIFU PIPELINE SYSTEM CO Ltd SHANGHAI
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Abstract

The utility model relates to the technical field ofpipeline sealing structures and provides a pipeline sealing assembly for a dynamic pipeline system. The pipeline sealing assembly comprises two semi-circular clamps, wherein fixing lugs are arranged at two ends of each semi-circular clamp, and threaded holes are formed in the fixing lugs; an output end groove is formed in an output end of a pipeline pressure input piece; an input end groove is formed in an input end of an output pipeline; the pipeline pressure input piece and the output pipeline are sleeved with the two semi-circular clamps; a pipeline axial gap is formed between the output end of the pipeline pressure input piece and the input end of the output pipeline; a dynamic sealing ring comprises an axial sealing part and two radial sealing parts, the two radial sealing parts are arranged on two sides of the axial sealing part respectively, and the axial sealing part is inserted in the pipeline axial gap; two fasteners penetrate through the threaded holes of the two semi-circular clamps respectively to connect the two semi-circular clamps. The pipeline sealing assembly can be used in a high-pressure high-vibration-frequency system and is good in sealing performance, stable and reliable.

Description

For the line seal assembly of dynamic pipeling system
Technical field
The utility model relates to pipe sealing structure technical field, particularly relates to a kind of line seal assembly for dynamic pipeling system.
Background technique
Existing pipeline jointing construction is to be generally provided with along the outward extending bump of diametric(al) at the connecting end of pipeline, on this bump, tapped hole is set, and fastening piece links together two pipelines through tapped hole, and the joint of two pipelines is also provided with seal ring.But by the system that this structure applications is large in pressure, vibration frequency is high, for example vehicle-mounted Compressor Pipes system, water pump vehicle pipe-line system, dredge pump car pipe-line system, the connecting end of pipeline is easily loosening, and seal ring is often shifted, and causes this pipeline jointing construction generation leakage accident.
How to design a kind of sealing configuration and can either make pipeline jointing construction firm, difficult loosening, also can prevent seal ring displacement, it is the problem that those skilled in the art need to solve that reliable sealing means is provided.
Model utility content
The shortcoming of prior art in view of the above, the technical problem that the utility model solves is to provide a kind of pipeline connecting end to be difficult for loosening and sealability reliably for the line seal assembly of dynamic pipeling system.
For achieving the above object and other relevant objects, the utility model provides a kind of line seal assembly for dynamic pipeling system, comprise: two semicircle ring-shaped clips, the two end part of described semicircle ring-shaped clip are provided with along the outward extending fixing ear of diametric(al), and described fixing ear is provided with tapped hole; Loine pressure input component, the output terminal of described loine pressure input component is circular ports, in described circular ports, edge is circumferentially with output terminal groove; Output pipeline, the input end of described output pipeline is provided with input end groove; Two described semicircle annular hoop sleeves are located at outside and the end laminating of described loine pressure input component and described output pipeline, between the output terminal of described loine pressure input component and the input end of described output pipeline, are provided with pipeline axial gap; Dynamic seal, be arranged between loine pressure input component and output pipeline, described dynamic seal is annular, comprise axial seal portion and two radial seal portions, described two radial seal portions are arranged at respectively the both sides of described axial seal portion and are fixedly connected with described axial seal portion, the inner ring surface of described two radial seal portions fits in respectively the outer wall of described loine pressure input component and output pipeline, and described axial seal portion inserts in described pipeline axial gap; The internal diameter of the internal diameter of the output terminal of described loine pressure input component and the input end of output pipeline is all greater than the internal diameter of described axial seal portion; The axial both sides of described semicircle ring-shaped clip are provided with and described output terminal groove and the corresponding flange of described input end groove, and described flange can be embedded in corresponding described output terminal groove and described input end groove; Two fastening pieces, through the tapped hole of two described semicircle ring-shaped clips, are fixedly connected with two described semicircle ring-shaped clips respectively.
Preferably, the axial length in described pipeline axial gap is less than the width of described axial seal portion.
Further, the inner peripheral surface of described axial seal portion is arc surface.
Preferably, described dynamic seal adopts ethylene propylene diene rubber to make.
Preferably, the internal diameter of the internal diameter of the output terminal of described loine pressure input component and the input end of output pipeline equates.
Preferably, described loine pressure input component is horizontal pressure force pipeline, and described horizontal pressure force pipeline is provided with control valve.
Preferably, described loine pressure input component is bend pipe, and the level that the output terminal of described loine pressure input component is described bend pipe is communicated with end.
As mentioned above, the line seal assembly for dynamic pipeling system described in the utility model, has following beneficial effect:
(1) the line seal assembly for dynamic pipeling system of the present utility model, two semicircle annular hoop sleeves are located at the outside of described loine pressure input component and described output pipeline and are fixedly connected with by fastening piece, this structure can prevent that semicircle annular hoop sleeve is loosening in the larger system of vibration, the flange of semicircle ring-shaped clip can be embedded in the output terminal groove of loine pressure input component and the input end groove of output pipeline, this structure had both prevented that semicircle ring-shaped clip from moving, and also made the inside of the semicircle ring-shaped clip of two connections form sealing configuration;
(2) the line seal assembly for dynamic pipeling system of the present utility model, the axial seal portion of dynamic seal inserts in pipeline axial clearance, the axial length in pipeline axial gap is less than the width of axial seal portion, this structure can either play to loine pressure input component and output pipeline the effect of axially support, eliminate loine pressure input component and output pipeline generation displacement in vibrational state, axial seal can be provided again, prevent from revealing;
(3) the line seal assembly for dynamic pipeling system of the present utility model, can be large at pressure, use in system that vibration frequency is higher, and simple in structure, easy for installation, sealability is good, is difficult for loosening, reliable and stable.
Brief description of the drawings
The loine pressure input component that Fig. 1 is shown as the line seal assembly for dynamic pipeling system of the present utility model is provided with the structural representation of control valve.
Fig. 2 is shown as the structural representation that the loine pressure input component of the line seal assembly for dynamic pipeling system of the present utility model is bend pipe.
Fig. 3 is shown as two semicircle ring-shaped clips of the line seal assembly for dynamic pipeling system of the present utility model and loine pressure input component and output pipeline and decomposes installation diagram.
Fig. 4 is shown as the complete section schematic diagram after two semicircle ring-shaped clips of the line seal assembly for dynamic pipeling system of the present utility model and the installation of loine pressure input component and output pipeline.
Fig. 5 is shown as the structural representation of two semicircle annulars clip connected of the line seal assembly for dynamic pipeling system of the present utility model.
Fig. 6 is shown as the complete section schematic diagram of the dynamic seal of the line seal assembly for dynamic pipeling system of the present utility model.
Fig. 7 is shown as the schematic perspective view of the half of the dynamic seal of the line seal assembly for dynamic pipeling system of the present utility model.
Drawing reference numeral explanation
1 semicircle ring-shaped clip
11 fixing ears
12 tapped holes
13 flanges
2 loine pressure input components
21 output terminal grooves
3 output pipelines
31 input end grooves
4 pipeline axial gaps
5 pipeline radial clearances
6 dynamic seal
61 axial seal portions
62 radial seal portions
7 fastening pieces
71 bolts
72 nuts
8 control valves
9 bend pipes
91 levels are communicated with end
92 vertical connection ends
10 vertical steel tubes
The internal diameter of d axial seal portion
The internal diameter of the output terminal of D1 loine pressure input component
The internal diameter of the input end of output pipeline described in D2
The axial length in L pipeline axial gap
The width of W axial seal portion
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.
Refer to accompanying drawing.Notice, appended graphic the illustrated structure of this specification, ratio, size etc., all contents in order to coordinate specification to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this specification, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
As Fig. 1, Fig. 3, shown in Fig. 4 to Fig. 7, Fig. 1 is shown as loine pressure input component of the present utility model and is provided with the structural representation of control valve, Fig. 3 is shown as two semicircle ring-shaped clips of the present utility model and loine pressure input component and output pipeline and decomposes installation diagram, Fig. 4 is shown as the complete section schematic diagram after the installation of two semicircle ring-shaped clips of the present utility model and loine pressure input component and output pipeline, Fig. 5 is shown as the structural representation of two semicircles annular of the present utility model clip connected, Fig. 6 is shown as complete section schematic diagram of the present utility model, Fig. 7 is shown as the schematic perspective view of the half of dynamic seal of the present utility model.The line seal assembly for dynamic pipeling system of the present embodiment comprises: two semicircle ring-shaped clips 1, and the two end part of semicircle ring-shaped clip 1 are provided with along the outward extending fixing ear 11 of diametric(al), and fixing ear 11 is provided with tapped hole 12; Loine pressure input component 2, the output terminal of loine pressure input component 2 is circular ports, in circular ports, edge is circumferentially with output terminal groove 21; Output pipeline 3, the input end of output pipeline 3 is provided with input end groove 31; Two semicircle ring-shaped clips 1 are sheathed on outside and the end laminating of loine pressure input component 2 and output pipeline 3, between the input end of the output terminal of loine pressure input component 2 and output pipeline 3, be provided with between the outer wall of input end of the inner peripheral surface of 4, two the semicircle ring-shaped clips 1 in pipeline axial gap and the output terminal of loine pressure input component 2 and output pipeline 3 and be provided with pipeline radial clearance 5; Dynamic seal 6, in pipeline radial clearance 5 and be arranged between loine pressure input component 2 and output pipeline 3, dynamic seal 6 is annular, comprise axial seal portion 61 and two radial seal portions 62, two radial seal portions 62 are arranged at respectively the both sides of axial seal portion 61 and are fixedly connected with axial seal portion 61, the inner ring surface of two radial seal portions 62 fits in respectively the outer wall of loine pressure input component 2 and output pipeline 3, and axial seal portion 61 inserts in pipeline axial clearance 4; The inner diameter D 1 of the output terminal of loine pressure input component 2 is greater than the inner diameter d of axial seal portion 61, and the inner diameter D 2 of the input end of output pipeline 3 is greater than the inner diameter d of axial seal portion 61; The axial both sides of semicircle ring-shaped clip 1 are provided with and output terminal groove 21 and the corresponding flange 13 of input end groove 31, and flange 13 can be embedded in corresponding output terminal groove 21 and input end groove 31; Two fastening pieces 7, through the tapped hole 12 of two semicircle ring-shaped clips 1, are fixedly connected with two semicircle ring-shaped clips 1 respectively.
In embodiment, two semicircle ring-shaped clips 1 are sheathed on the outside of loine pressure input component 2 and output pipeline 3 and are fixedly connected with by fastening piece 7, can prevent that semicircle ring-shaped clip 1 from occurring while use loosening in the larger system of vibration; The flange 13 of two semicircle ring-shaped clips 1 can be embedded in the output terminal groove 21 of corresponding loine pressure input component 2 and the input end groove 31 of output pipeline 3, realize circle engagement, both prevented that semicircle ring-shaped clip 1 from moving, and can make again the inside of semicircle ring-shaped clip 1 form sealing configuration.Fit the respectively outer wall of loine pressure input component 2 and output pipeline 3 of the inner circumferential surface of two radial seal portions 62 of dynamic seal 6, forms radial seal structure; The axial seal portion 61 of dynamic seal 6 inserts in pipeline axial clearance 4, improve the tensile strength of dynamic seal 6, loine pressure input component 2 and output pipeline 3 are played to the effect of axially support, eliminate loine pressure input component 2 and output pipeline 3 generation displacements in vibrational state, dynamic seal 6 is not yielding, is the lock sealing structure that a kind of circle compresses.
The axial length L in pipeline axial gap 4 is less than the width W of axial seal portion 61, the axial seal portion 61 that makes to insert in pipeline axial clearance 4 fits completely with the axial end portion of loine pressure input component 2 and output pipeline 3, improves the sealability between axial seal portion 61 and pipeline axial gap 4.
The inner peripheral surface of axial seal portion 61 is arc surface, and axial seal portion 61 can be inserted in pipeline axial clearance 4 more conveniently, improves installation efficiency.
Dynamic seal 6 adopts ethylene propylene diene rubber to make, and uses this material to make dynamic seal 6 material good springiness, and high temperature resistant, hardness is moderate, and compressive strain is little.
The inner diameter D 1 of the output terminal of loine pressure input component 2 equates with the inner diameter D 2 of the input end of output pipeline 3, the pressure in can pilot line black box.
Loine pressure input component 2 is horizontal pressure force pipeline, and horizontal pressure force pipeline is provided with control valve 8, and control valve 8 is for controlling liquid communication amount.
Fastening piece 7 comprises bolt 71 and nut 72, and bolt 71 is through the tapped hole 12 of two semicircle ring-shaped clips 1, and nut 72 is fixedly connected with two semicircle ring-shaped clips 1.
As shown in Figure 2, Fig. 2 is shown as the structural representation that loine pressure input component of the present utility model is bend pipe, according to another embodiment, loine pressure input component 2 is bend pipe 9, the output terminal of loine pressure input component 2 is that the level of bend pipe 9 is communicated with end 91, the vertical connection end 92 of bend pipe 9 is provided with the corresponding vertical end groove of flange 13 with semicircle ring-shaped clip 1, the connecting end of vertical steel tube 5 is provided with end recesses, the joint of bend pipe 9 and vertical steel tube 5 is arranged with two semicircle ring-shaped clips 1, two semicircle ring-shaped clips 1 are fixedly connected with, in two semicircle ring-shaped clips 1, be provided with dynamic seal 6.In the present embodiment, pilot line seal applications is in bend pipe 9, and level is communicated with end 91 and vertical connection end 92 all can adopt pilot line black box that Hermetical connecting structure is reliably provided.
The line seal assembly for dynamic pipeling system that the utility model provides, provides machinery reliable and safety to assemble sealing configuration, and the key technical indexes reaching is: working pressure 2.5MPa, test pressure 10MPa; Counter-bending power 50-1559N-M; 200-15326N-M; Negative-pressure sealing test 0.08MPa(600mmHg).
Output pipeline 3 of the present utility model can adopt the steel pipe of following eight kinds of specifications, and the external diameter of the steel pipe of eight kinds of specifications is respectively: 60.3,73,88.9,114.3,168.3,219.1,273,323.9, and unit is millimeter.
Line seal assembly for dynamic pipeling system of the present utility model, can in pressure is large, vibration frequency is higher vehicle-mounted Compressor Pipes system, water pump vehicle pipe-line system or dredge pump car pipe-line system, use, simple in structure, easy for installation, sealability is good, be difficult for loosening, reliable and stable.
To sum up, the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims (7)

1. for a line seal assembly for dynamic pipeling system, it is characterized in that, comprising:
Two semicircle ring-shaped clips (1), the two end part of described semicircle ring-shaped clip (1) are provided with along the outward extending fixing ear of diametric(al) (11), and described fixing ear (11) is provided with tapped hole (12);
Loine pressure input component (2), the output terminal of described loine pressure input component (2) is circular ports, in described circular ports, edge is circumferentially with output terminal groove (21);
Output pipeline (3), the input end of described output pipeline (3) is provided with input end groove (31);
Two described semicircle ring-shaped clips (1) are sheathed on outside and the end laminating of described loine pressure input component (2) and described output pipeline (3), between the output terminal of described loine pressure input component (2) and the input end of described output pipeline (3), are provided with pipeline axial gap (4);
Dynamic seal (6), be arranged between loine pressure input component (2) and output pipeline (3), described dynamic seal (6) is annular, comprise axial seal portion (61) and two radial seal portions (62), described two radial seal portions (62) are arranged at respectively the both sides of described axial seal portion (61) and are fixedly connected with described axial seal portion (61), the inner ring surface of described two radial seal portions (62) fits in respectively the outer wall of described loine pressure input component (2) and output pipeline (3), described axial seal portion (61) inserts in described pipeline axial gap (4),
The internal diameter of the input end of the internal diameter of the output terminal of described loine pressure input component (2) and output pipeline (3) is all greater than the internal diameter of described axial seal portion (61);
The axial both sides of described semicircle ring-shaped clip (1) are provided with and described output terminal groove (21) and the corresponding flange (13) of described input end groove (31), and described flange (13) can be embedded in corresponding described output terminal groove (21) and described input end groove (31);
Two fastening pieces (7), through the tapped hole (12) of two described semicircle ring-shaped clips (1), are fixedly connected with two described semicircle ring-shaped clips (1) respectively.
2. the line seal assembly for dynamic pipeling system according to claim 1, is characterized in that: the axial length in described pipeline axial gap (4) is less than the width of described axial seal portion (61).
3. the line seal assembly for dynamic pipeling system according to claim 2, is characterized in that: the inner peripheral surface of described axial seal portion (61) is arc surface.
4. the line seal assembly for dynamic pipeling system according to claim 1, is characterized in that: described dynamic seal (6) adopts ethylene propylene diene rubber to make.
5. the line seal assembly for dynamic pipeling system according to claim 1, is characterized in that: the internal diameter of the output terminal of described loine pressure input component (2) equates with the internal diameter of the input end of output pipeline (3).
6. the line seal assembly for dynamic pipeling system according to claim 1, is characterized in that: described loine pressure input component (2) is horizontal pressure force pipeline, and described horizontal pressure force pipeline is provided with control valve (8).
7. the line seal assembly for dynamic pipeling system according to claim 1, it is characterized in that: described loine pressure input component (2) is bend pipe (9), the output terminal of described loine pressure input component (2) is that the level of described bend pipe (9) is communicated with end (91).
CN201420152694.6U 2014-03-31 2014-03-31 Pipeline sealing assembly for dynamic pipeline system Active CN203823269U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104712863A (en) * 2015-03-25 2015-06-17 唐学功 Air pipeline fast connector
CN108431540A (en) * 2015-07-24 2018-08-21 杭州富尔顿热能设备有限公司 Flexible expansion heat transfer system including compressive seal expansion pipe
US10989441B2 (en) 2015-07-13 2021-04-27 Fulton Group N.A., Inc. High efficiency fluid heating system exhaust manifold
CN113983250A (en) * 2021-11-10 2022-01-28 宁波埃尔法流体技术有限公司 External joint assembly of pipeline

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104712863A (en) * 2015-03-25 2015-06-17 唐学功 Air pipeline fast connector
CN104712863B (en) * 2015-03-25 2017-04-26 唐学功 Air pipeline fast connector
US10989441B2 (en) 2015-07-13 2021-04-27 Fulton Group N.A., Inc. High efficiency fluid heating system exhaust manifold
CN108431540A (en) * 2015-07-24 2018-08-21 杭州富尔顿热能设备有限公司 Flexible expansion heat transfer system including compressive seal expansion pipe
CN113983250A (en) * 2021-11-10 2022-01-28 宁波埃尔法流体技术有限公司 External joint assembly of pipeline

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