CN1221089A - Housing type pipe coupling - Google Patents
Housing type pipe coupling Download PDFInfo
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- CN1221089A CN1221089A CN 98117218 CN98117218A CN1221089A CN 1221089 A CN1221089 A CN 1221089A CN 98117218 CN98117218 CN 98117218 CN 98117218 A CN98117218 A CN 98117218A CN 1221089 A CN1221089 A CN 1221089A
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Abstract
Each of the circular coupling segments 20 has pipe fastening parts 24, 25. One pipe fastening part 24 has a protrusion 26 to be in contact with the side surface 3A of the circumferential groove 3 of one pipe 4 nearer to the end of the pipe 4 in one of the end sections thereof with respect to a circumferential direction, and a protrusion 27 to be in contact with the side surface 3B of the circumferential groove 3 of the pipe 4 farther from the end of the pipe 4 in the other end section thereof with respect to the circumferential direction. The other pipe fastening part 25 has a protrusion 28 to be in contact with the side surface 3B of the circumferential groove 3 of the pipe 5 farther from the end of the pipe 5 in one of the end sections thereof with respect to the circumferential direction, and a protrusion 29 to be in contact with the side surface 3A of the circumferential groove 3 of the pipe 5 nearer to the end of the pipe 5 in the other end section thereof with respect to the circumferential direction.
Description
The present invention relates to a kind of housing type pipe coupling, be used between the pipeline tail end of two butt joints, forming a non-leakage connection.
Known housing type pipe coupling as shown in Figure 6, it is widely used in each industry, thereby forms a non-leakage connection between the pipe end of two butt joints.
Known housing type pipe coupling comprises a pair of annular pipe union 1,2, each annular pipe union has the shape that is roughly circular arc, each annular pipe union is provided with can ccontaining a pair of pipeline 4, the annular space 6 of 5 ends, pipeline 4,5 end is respectively equipped with circumferential groove 3, on the corresponding dual-side of circular groove 6, form fastening wall 8 and 9, described fastening wall 8 and 9 can fit into the circumferential groove 3 on pipeline 4 and 5, one elastic sealing ring 7 is set in the annular space 6, make to form non-leakage connection between the end of pipeline 4 and 5, and with two annular pipe unions 1 and 2 fastening pieces that tighten together 10.
Known housing type pipe coupling is arranged on elastic sealing ring 7 on the excircle of end of two pipelines 4 and 5, and be pressed in the annular space 6 of annular pipe union 1 and 2, thereby form non-leakage being connected with 5 tail end at pipeline 4, by oppressing annular fastening wall 8 and 9, annular pipe union 1 and 2 is fixed on pipeline 4 and 5 against circumferential groove 3 bottoms that are formed on two pipelines 4 and 5 ends.
In this housing type pipe coupling, the annular fastening wall of annular pipe union must form with such size, promptly can make its bottom against the circumferential groove that is formed in pipe end by the interior week of pushing annular fastening wall.Yet same nominal diameter may have different diameters, and the degree of depth of circumferential groove is also inequality usually, therefore exerts pressure normally unsteady to the bottom surface of circumferential groove by the fastening wall of annular.So the annular fastening wall of possibility is connecting tube securely, and the tail end of two pipelines can not be connected together securely, the tail end of two pipelines may extend, compress or be crooked, or elastic sealing ring is deformed in annular space.
In view of the above problems, make the present invention, therefore, the object of the present invention is to provide a kind of housing type pipe coupling, it can be fixed together adjoining the pipe end that faces securely, even the circumferential groove degree of depth that forms on the adjacent channel end is different from prescribed depth and can prevents that also the elastic ring that is configured in its space is indeformable.According to an aspect of the present invention, a kind of housing type pipe coupling comprises: a pair of annular pipe union, each has-the individual space that is used to admit two pipe ends, and each pipeline is provided with a circumferential groove, and this groove is determined near the side surface of pipe end with away from the side surface of end by one at least; Be placed on by the elastic sealing ring of placing in this space that annular pipe union is determined, connect thereby between two pipe ends, produce not have to leak; And with this fixing device that annular pipe union is fixed together.Each annular pipe union has the pipe fixing part respectively on the opposite side in this space in this housing type pipe coupling, this pipe fixing part has the opposed end of relative circumferencial direction, and the circumferential groove of two pipelines that radially inwardly stretch respectively, the pipe fixing part of annular pipe union has a projection, this projection will contact with the circumferential groove side surface of a pipeline, circumferencial direction is on the close position of this pipe end on pipeline one end relatively, and one will with the contacted projection of circumferential groove side surface of same pipeline, relatively circumferencial direction on its other end away from the position of same pipeline, and another pipe fixing part of same annular pipe union has a projection, this projection will contact with the circumferential groove side surface of another pipeline, circumferencial direction is on the close position of this pipe end on pipeline one end relatively, and one will with the contacted projection of circumferential groove side surface of same pipeline, relatively circumferencial direction on its other end away from the position of same pipeline.The projection that forms on the pipe fixing part is pushed by the side surface against the pipe circumference groove, thereby pipe end is fixed together securely, prevents that pipe end from extending, compression or crooked, prevents that elastic sealing ring is destroyed in this space.
According to a further aspect in the invention, one housing type pipe coupling comprises: a pair of annular pipe union, each has a space that is used to admit two pipe ends, and each pipeline is provided with a circumferential rib, and it has one near the side surface of pipe end with away from the side surface of pipe end; One is arranged on the elastic sealing ring in this space, and this space is determined annular pipe union by this, connects thereby produce not have to leak between two pipe ends; Be used for fixing device that this is fixed together to annular pipe union.In this housing type pipe coupling, each annular pipe union has the pipe configuration part on the opposite side of space respectively, the pipe configuration part has the dimple that is used to hold the pipeline circumferential rib, this dimple has a pair of side surface, this side surface has the relative end of relative circumferencial direction, the dimple of annular pipe union pipe configuration part has a projection, this projection will with the contacting of the side surface of the circumferential rib of a pipeline, circumferencial direction is on the position away from this pipe end on the one end thereof relatively, an and projection, to contact with the side surface of the circumferential rib of same pipeline, circumferencial direction is on the close end position of same pipeline on its other end relatively, the dimple of another pipe configuration part of same annular pipe union is provided with a projection, this projection will with the contacting of the side surface of the circumferential rib of another pipeline, circumferencial direction is on the close position of this pipe end on the one end thereof relatively, an and projection, to contact with the side surface of the circumferential rib of same pipeline, circumferencial direction is on the end position away from same pipeline on its other end relatively.Be squeezed in the projection that pipe set to go up constitutes against this pipe circumference rib side surface, thereby thereby the solid end of pipeline being fixed together by ground prevents that pipe end from stretching, compressing or crooked, and prevent that elastic sealing ring is destroyed in this space.
Fig. 1 is according in the first embodiment of the present invention, is included in the schematic representation of the annular pipe union in the card pipe joint;
Fig. 2 is the disconnection schematic representation of Fig. 1 annular pipe union;
Fig. 3 (a) is the section side view that housing type pipe coupling is fixed to the housing type pipe coupling of the present invention in the state before the pipeline;
Fig. 3 (b) is the sectional schematic diagram that housing type pipe coupling is fixed to the housing type pipe coupling of the present invention in the state before the pipeline;
Fig. 4 (a) is the section side view that housing type pipe coupling is fixed to the housing type pipe coupling of the present invention in the state after the pipeline;
Fig. 4 (b) is the sectional schematic diagram that housing type pipe coupling is fixed to the housing type pipe coupling of the present invention in the state after the pipeline;
Fig. 5 is the cross sectional view according to the housing type pipe coupling of second embodiment of the invention;
Fig. 6 is the decomposing schematic representation of common housing type pipe coupling.
Fig. 7 is the housing type pipe coupling front view by the plug housing connection of pipe union among a pair of Fig. 1;
Fig. 8 is the side view of Fig. 7 housing type pipe coupling;
Fig. 9 is according to the schematic representation that is included in the annular pipe union in the housing type pipe coupling in the third embodiment of the invention;
Figure 10 is the partial schematic diagram of Fig. 9 annular pipe union;
Figure 11 is the partial side view of housing type pipe coupling the 3rd embodiment's that is fixed to pipeline conditions housing type pipe coupling;
Figure 12 is the partial side view that housing type pipe coupling is fixed to the housing type pipe coupling of the 3rd embodiment in the state after the pipeline.
Below with reference to respective drawings most preferred embodiment of the present invention is described.
Housing type pipe coupling of the present invention has a pair of same annular pipe union 20 and the 20A that are similar to circular shape, therefore with single annular pipe union 20 in the explanatory drawing 1.
Shown in Fig. 7 and 8, by a convex connecting part 21,21a and concavity connecting part 22,22a constitutes the plug and socket combination, wherein be equivalent to pipe union width half in the localities, on the circumferential end surface of each annular pipe union 20, form convex connecting part 21, the width that is equivalent to pipe union second half in the localities, on the same end surfaces of annular pipe union 20, form concavity connecting part 22, its second half in the localities, on each circumferential end surface of annular pipe union 20a, form convex connecting part 21a, form concavity connecting part 22a at it on the same end surfaces of half annular in the localities pipe union 20a, and realize assembling by respectively the convex connecting part 21a of the convex connecting part 21 of annular pipe union 20 and concavity connecting part 22 and annular pipe union 20a and concavity connecting part 22a being engaged.
As depicted in figs. 1 and 2, annular pipe union 20 has a space 23, is used to admit the end of the pipeline 4,5 that is provided with circumferential groove 3, and an elastic sealing ring 7 that is used for around pipeline 4,5 ends.Pipe fixing part 24 is by a sidewall inwardly protruding of determining space 23.Shown in Fig. 3 (B), pipe fixing part 24 is installed in the circumferential groove 3 of pipeline 4, thereby the end of pipeline 4 is fixed on the annular pipe union 20, pipe fixing part 25 inwardly protruding from another sidewall of determining space 23.Shown in Fig. 3 (B), pipe fixing part 25 is fixed in the circumferential groove 3 of another pipeline 5, thereby the end of pipeline 5 is fixed on the annular pipe union 20.
As shown in Figure 1, the end surfaces of pipe fixing part 24 with a constant radius of curvature, this surface from an end of corresponding circumferencial direction end with circumferencial direction (upper end Fig. 2) the other end that stretches (lower end among Fig. 2).Shown in Fig. 1 to 3 (B), pipe fixing part 24 is provided with an annular protrusion on the internal surface of one end, the side surface 3A of the circumferential groove 3 that constitutes on the end of this annular protrusion with pipeline 4 contacts, and this end of close pipeline 4, on the outer surface of its other end, be provided with annular protrusion 27, this projection contacts with the side surface 3B of the circumferential groove 3 that constitutes on the end of pipeline 4, and away from the end of pipeline 4.As shown in Figure 1, annular protrusion 26,27 can be continuously or is extended to such position discontinuously, promptly spends distances that arc angle is reached from engaging surface 30 with 45.Facts have proved, can require arc convex 26 and 27 side surfaces to be compressed in from the position of engaging surface 30 with 45 degree distances that arc angle is reached against circumferential groove.
In the annular pipe union 20 as shown in Figure 1, annular protrusion such position that stretches continuously, promptly from engaging surface 30 with 45 degree distances that arc angle is reached.
The pipe fixing part can stretch by G-bar, spend arc angles apart from the other end of the end that is reached from 45 of projection to same pipe fixing part, relative circumferencial direction, above-mentioned projection is from stretch the continuously position of 45 distances that arc angle reaches of an end of same pipe fixing part, relative circumferencial direction.
The projection that forms on the pipe fixing part can be made of a projection piece, and this projection piece is reached distance with respect to circumferencial direction with 45 degree arc angles and is provided with by this pipe fixing part end to end.
Be similar to pipe fixing part 24, pipe fixing part 25 is provided with the end surfaces of a constant radius of curvature, this surface from an end of corresponding circumferencial direction end with circumferencial direction (upper end Fig. 2) the other end that stretches (lower end among Fig. 2).Shown in Fig. 1 to 3 (B), pipe fixing part 25 is provided with an annular protrusion 28 on the outer surface of one end, the side surface 3B of the circumferential groove 3 that constitutes on the end of this annular protrusion with another pipeline 5 contacts, and away from this end of this pipeline 5, on the internal surface of its other end, be provided with annular protrusion 29, this projection contacts with the side surface 3A of the circumferential groove 3 that constitutes on the end of pipeline 5, and the end of close pipeline 5.Be similar to annular protrusion 26,27, annular protrusion 28 and 29 extends to such position, promptly spends distances that arc angle is reached from engaging surface 30 with 45.Although preferably annular protrusion 28 and 29 extends to such position promptly continuously, spend the distances that arc angle was reached with 45 from engaging surface 30.Facts have proved, can require arc convex 28 and 29 side surfaces to be compressed in from the position of engaging surface 30 with 45 degree distances that arc angle is reached against circumferential groove.
In the annular pipe union 20 as shown in Figure 1, annular protrusion such position that stretches continuously, promptly from engaging surface 30 with 45 degree distances that arc angle is reached.
The pipe fixing part can stretch by G-bar, spend arc angles apart from the other end of the end that is reached from 45 of projection to same pipe fixing part, relative circumferencial direction, above-mentioned projection is from stretch the continuously position of 45 distances that arc angle reaches of an end of same pipe fixing part, relative circumferencial direction.
The projection that forms on the pipe fixing part can be made of a projection piece, and this projection piece is reached distance with respect to circumferencial direction with 45 degree arc angles and is provided with by this pipe fixing part end to end.
When this housing type pipe coupling of combination, annular pipe union 20 and 20A are set, to such an extent as to the joint 21 and 22 of annular pipe union 20 is respectively with respect to joining portion 22A and the 21A of annular pipe union 20A, then, the joining portion 21 of annular pipe union 20 and 22 and joining portion 22A and the 21A of annular pipe union 20A mate respectively.
The following describes the step of this housing type pipe coupling of assembling.
By the end of pipeline 4,5 being passed the opposite end of elastic sealing ring 7, in elastic sealing ring, constitute the close pipeline assembling of liquid, make each end of pipeline 4 and 5 in elastic sealing ring, dock mutually.
The pipeline assembling is set on the annular pipe union 20 with the elastic sealing ring 7 that is placed in the space 23.In Fig. 3 (A), omitted elastic ring for ease of understanding.
Shown in Fig. 3 (A), dispose annular pipe union 20A, make its joining portion 21A relative with the joining portion 22 of annular pipe union 20,, make joining portion 21A and 22A and joining portion 22 and 21 mate respectively then mutually against pressure ring shape pipe union 20 and 20A with 21 difference with 22A.
Under annular pipe union 20 and the 20A state that still end is bonded together, the part of the pipe fixing part 24 of the annular pipe union 20 on annular protrusion 26 1 sides contacts with the bottom surface 3C of the circumferential groove 3 of pipeline 4, the bottom surface 3C of the part of the pipe fixing part 24 of the annular pipe union 20 on annular protrusion 27 these sides and pipeline 4 circumferential grooves 3 separates certain distance, annular recessed 3 bottom surface 3C of the part of the pipe fixing part 25 of the annular pipe union 20 on annular protrusion 29 1 sides and pipeline 4 contacts, the bottom surface 3C of a part and pipeline 4 circumferential grooves 3 that deposits the pipe fixing part 24 of the annular pipe union 20 on annular protrusion 28 these sides separates certain distance, and the annular protrusion 26 and 27 of pipe fixing part 24, the annular protrusion 28 of pipe fixing part 25 and 29 and the side surface 3A of the circumferential groove 3 of pipeline 4,3C is certain distance respectively, shown in Fig. 3 (B).Although the annular pipe union 20A of end expression in Fig. 3 (B), the pipe fixing part of annular pipe union 20A is by the fixing part configuration of annular relatively pipe union 20 respectively.
Then, with ordinary fixed part 10, for example nuts and bolt is fixed together annular pipe union 20 and 20A.Therefore shown in Fig. 4 A, the joining portion 21 of annular pipe union 20 and 22 and joining portion 22A and the 21A of annular pipe union 20A be complementary.
When annular pipe union 20 and 20A are fixed together under state shown in Fig. 4 (A), rotate annular pipe union 20 with the direction of arrow shown in Fig. 4 (B), rotate the annular pipe union 20A shown in the end among Fig. 4 (B) with Fig. 4 (B) arrow opposite direction.
When shown in Fig. 4 (A), annular pipe union 20 and 20A being fixed together, against annular protrusion 26 near the pipe fixing part 24 of the circumferential groove 3 side surface 3C pressure ring shape pipe unions 20 of the pipeline 4 of pipeline 4 ends, thereby with arrow pressure pipe road 4 shown in Fig. 4 (B), promptly with direction to pipeline 4 ends, against annular protrusion 27 away from the circumferential groove 3 side surface 3B pressure pipe fixing parts 24 of the pipeline 4 of pipeline 4 ends, thereby with arrow pressure pipe road 4 shown in Fig. 4 (B), promptly to leave the direction of pipeline 4 ends.Simultaneously, against annular protrusion 28 away from the circumferential groove 3 side surface 3B pressure pipe fixing parts 25 of the pipeline 5 of pipeline 5 ends, thereby with the pressure pipe of direction shown in arrow road 5, promptly with direction away from pipeline 5 ends, against annular protrusion 29 near the circumferential groove 3 side surface 3A pressure pipe fixing parts 25 of the pipeline 5 of pipeline 5 ends, thereby with the pressure pipe of direction shown in arrow road 5, promptly to leave the direction of pipeline 5 ends.
Annular pipe union 20A and annular pipe union 20 reverse motions, therefore, the action of the annular protrusion of the pipe fixing part of the annular pipe union 20A annular protrusion corresponding with the pipe fixing part of annular pipe union 20A distinguished opposite.
Because the pipe fixing part of housing type pipe coupling is resisted against respectively on the circumferential groove side surface that forms on the tube end and the bottom surface and pushes, pipeline can be fixed together to 4 and 5 end is latent appropriately.Therefore, prevent that pipeline from stretching, contacting with 5 end 4 and crooked, prevents that elastic sealing ring is destroyed in space 23 in housing type pipe coupling.
Although housing type pipe coupling in the present embodiment is resisted against the circumferential groove 3 side surface 3A that form on pipeline 4 and 5 ends and 3B and bottom surface 3C and is extruded, can against the excircle 4C of pipeline and the side surface 3A and the 3B pressure pipe fixing part of 5C and circumferential groove.If against the excircle 4C of pipeline and the side surface 3A and the 3B pressure pipe fixing part of 5C and circumferential groove, always the space between pipeline 4 and 5 is the same with the bottom surface in space 23, no matter the degree of depth of the circumferential groove of pipeline 4 and 5 how.
Fig. 5 has represented housing type pipe coupling according to a second embodiment of the present invention.This housing type pipe coupling is designed for and connects each two pipeline 4A that are provided with welding circumferential rib 40 thereon and 5A.
The pipe configuration part 101 and 102 that each annular pipe union 100 has a space 23A and forms on the opposite side of space 23A respectively makes to be compressed on the excircle of pipeline 4A and 5A.On pipe configuration part 101, constitute a dimple 103, be used to admit circumferential rib 40, on pipe configuration part 102, constitute a dimple 104, be used to admit circumferential rib 40.
Determine dimple 103 by a pair of side surface 105 and 106.Relative circumferencial direction, at one end form on the part of the side surface 105 on portion's side away from pipeline 4A end will with the contacted annular protrusion 107 of side surface 40B of the circumferential rib 40 of pipeline 4A, relative circumferencial direction, on the part of the side surface on the side of the other end 106, form near pipeline 4A end will with the contacted annular protrusion 108 of side surface 40B of the circumferential rib 40 of pipeline 4A.
Determine dimple 104 by a pair of side surface 119 and 110.Relative circumferencial direction, at one end form on the part of the side surface 109 on portion's side near pipeline 5A end will with the contacted annular protrusion 111 of side surface 40A of the circumferential rib 40 of pipeline 5A, relative circumferencial direction, on the part of the side surface on the side of the other end 110, form away from pipeline 5A end will with the contacted annular protrusion 112 of side surface 40B of the circumferential rib 40 of pipeline 5A.
When annular pipe union 100 being linked together with the plug and socket Placement, the annular protrusion 107 that forms on dimple 103 side surfaces 105 that form on the pipe configuration part 101 is extruded against the side surface 40B away from the circumferential rib 40 of the pipeline 4A of pipeline 4A end, thereby with direction shown in the arrow, promptly towards the end of pipeline 4A extrusion pipe 4A, the annular protrusion 108 that forms on side surface 106 is extruded against the side surface 40A of the circumferential rib 40 of the pipeline 4A of close pipeline 4A end, thereby with direction shown in the arrow, promptly to leave the end extrusion pipe 4A of pipeline 4A.Simultaneously, the annular protrusion 111 that forms on dimple 104 side surfaces 109 that form on the pipe configuration part 102 is extruded against the side surface 40A of the circumferential rib 40 of the pipeline 5A of close pipeline 5A end, thereby with direction shown in the arrow, promptly away from the end extrusion pipe 5A of pipeline 5A, the annular protrusion 112 that forms on side surface 110 is extruded against the side surface 40B away from the circumferential rib 40 of the pipeline 5A of pipeline 5A end, thereby with direction shown in the arrow, promptly towards the end of pipeline 4A extrusion pipe 4A.
Fig. 9 represents a kind of annular pipe union according to the housing type pipe coupling of third embodiment of the invention.Have same configuration with the annular pipe union 120A of annular pipe union 120 couplings, therefore, only illustrate that below an annular pipe union 120 gets final product.
As shown in Figure 9, annular pipe union 120 has a space 123, is used to hold the end of pipeline 4 and 5, and each end is provided with a circumferential groove 3, and annular pipe union 120 also has an elastic sealing ring 7, is used for the end around pipeline 4 and 5.Pipeline fixed block 124 is from the inside radial protrusion of a sidewall of restriceted envelope 123.Pipeline fixed block 125 is from the inside radial protrusion of another sidewall of restriceted envelope 123.
As shown in Figures 9 and 10, at one end pipeline fixed block 124 is provided with annular protrusion 126 on portion's internal surface, be used for contacting with the side surface 3A of the circumferential groove 3 that on pipeline 4 ends, forms, and the end of close pipeline 4, on the outer surface on the other end, be provided with an annular protrusion 127, be used for contacting with the side surface 3B of the circumferential groove 3 that on pipeline 4 ends, forms, and away from the end of pipeline 4.As shown in Figure 9, projection 126 and 127 can be continuously or is stretched discontinuously by the position of the miter angle distance that is connected surface 30.Facts have proved that annular protrusion 126 is pushed by the side surface against circumferential groove on by the position that is connected surperficial miter angle distance with 127.
As shown in Figures 9 and 10, at one end pipeline fixed block 125 is provided with an annular protrusion 128 on portion's outer surface, be used for contacting with the side surface 3B of the circumferential groove 3 that on another pipeline 5 ends, forms, and away from the end of pipeline 5, on the internal surface on the other end, be provided with an annular protrusion 129, the side surface 3A of the circumferential groove 3 that is used for and forms on the end of pipeline 5 contacts, and the end of close pipeline 4.In Fig. 9,, also can stretch discontinuously although projection 128 and 129 stretches serially by the position of the miter angle distance that is connected surface 30.Facts have proved that annular protrusion 128 is pushed by the side surface against circumferential groove on by the position of the miter angle distance that is connected surface 30 with 129.
After this process of the above-mentioned housing type pipe coupling of assembling will be described.
Be connected by constituting seal pipe in the opposed end that pipeline 4 and 5 end is inserted elastic sealing ring 7, make the end of each pipeline 4 and 5 in elastic sealing ring 7, adjoin mutually.
In annular pipe union 120 pipeline assembly is set, this pipe union has the elastic sealing ring 7 that is arranged in the space 123.
As shown in figure 11, annular pipe union 120A is set, make convex joining portion 121A relative with the concavity joining portion 122 of annular pipe union 120 respectively with convex joining portion 121 with the concavity joining portion, then, against annular pipe union 120 of extruding and 120A, make convex joining portion 121A and concave copulae 122A be complementary with concavity joining portion 122 and convex joining portion 121 respectively mutually.
In the state that annular pipe union 120 and 120A are not bonded together as yet, the part of the pipeline fixing part 124 of the annular pipe union 120 on annular protrusion 126 these sides contacts with the bottom surface 3C of the circumferential groove 3 of pipeline 4, the bottom surface 3C of the part of the pipeline fixing part 124 of the annular pipe union 120 on annular protrusion 127 these sides and the circumferential groove 3 of pipeline 4 separates, the part of the pipeline fixing part 125 of the annular pipe union 120 on annular protrusion 129 these sides contacts with the bottom surface 3C of the circumferential groove 3 of pipeline 4, the bottom surface 3C of the part of the pipeline fixing part 125 of the annular pipe union 120 on annular protrusion 128 these sides and the circumferential groove 3 of pipeline 4 separates, the annular protrusion 126 and 127 of pipeline fixing part 124, and the annular protrusion 128 of pipeline fixing part 125 and 129 and the side surface 3A of the circumferential groove 3 of pipeline 4,3B separates.The pipeline fixing part 124A of annular pipe union 120A is provided with respectively by the pipeline fixing part 124 and 125 of relative annular pipe union 120 with 125A.
As shown in figure 12, be meshed with concavity joining portion 122A and the convex joining portion 121A of annular pipe union 120A by convex joining portion 121 and concavity joining portion 122 annular pipe union 120, mode with connector assembly connects annular pipe union 120 and 120A, utilize common mode, it is bonded into one as bolt and nut etc.
As shown in figure 11, rotate annular pipe union 120 and annular pipe union 120A respectively, annular pipe union 120 is being connected realization plug and socket joint with annular pipe union 120A by utilizing bolt and nut fixed block 10 with arrow A and A ' direction.
When the plug and socket of finishing annular pipe union 120 and 120A engages, as shown in figure 12, the convex joining portion 121 of annular pipe union 120 and the concavity joining portion 122A of annular pipe union 120A are meshing with each other, the convex joining portion 121A of the concavity joining portion 122 of ring-type pipe union 120 and annular pipe union 120A is bonded with each other, make convex joining portion 121 contact respectively mutually on the P point with concavity joining portion 122 with concavity joining portion 122A and convex joining portion 121A, both made existence can separate pipeline external force F or-F, annular pipe union 120 and 120A can not laterally take apart mutually, utilize external force F that reaction produces or-F, increased pipeline 4 from face, 5 retention force.
Apparent according to the present invention by the description of front, be squeezed in the annular projection that forms on pipe fixing part or the pipe configuration part against pipe circumference groove side surface or pipe circumference rib side surface, stably pipeline is fixed.This housing type pipe coupling can prevent that pipe end from stretching, compressing or bending in housing type pipe coupling, prevent that pipeline from moving mutually, and prevent that elastic sealing ring is destroyed in this space.
Claims (19)
1. a housing type pipe coupling comprises:
A pair of annular pipe union, each has a space that is used to admit two pipe ends, and each pipeline is provided with a circumferential groove, and this groove is determined near the side surface of pipe end with away from the side surface of end by one at least;
Be placed on by the elastic sealing ring of placing in this space that annular pipe union is determined, connect thereby between two pipe ends, produce not have to leak;
With this fixing device that annular pipe union is fixed together;
Wherein each annular pipe union has the pipe fixing part respectively on the opposite side in this space,
This pipe fixing part has the corresponding end of relative circumferencial direction, and the circumferential groove of two pipelines that radially inwardly stretch respectively,
The pipe fixing part of annular pipe union has a projection, this projection will contact with the circumferential groove side surface of a pipeline, circumferencial direction is on the close position of this pipe end on pipeline one end relatively, and one will with the contacted projection of circumferential groove side surface of same pipeline, relatively circumferencial direction on its other end away from the position of same pipeline
And another pipe fixing part of same annular pipe union has a projection, this projection will contact with the circumferential groove side surface of another pipeline, circumferencial direction is on the close position of this pipe end on pipeline one end relatively, and one will with the contacted projection of circumferential groove side surface of same pipeline, relatively circumferencial direction on its other end away from the position of same pipeline.
2. according to a kind of housing type pipe coupling of claim 1, wherein the projection that forms on the pipe fixing part has the annular shape that meets the pipeline circumferential shapes.
3. according to a kind of housing type pipe coupling of claim 2, wherein the relative circumferencial direction of the projection that forms on the pipe fixing part stretches by being arrived 45 (the determined distance and positions of arc angle) with circumferencial direction to the rear end or the front end of managing fixing part from an end or the other end of this pipe fixing part continuously.
4. according to a kind of housing type pipe coupling of claim 3, wherein manage fixing part with G-bar by end with rear end or the front propagation of circumferencial direction to the pipe fixing part, above-mentioned end for projection relatively circumferencial direction continuously from an end of this pipe fixing part or the other end 45 (the determined distance and positions of arc angle) that stretch.
5. according to a kind of housing type pipe coupling of claim 1, wherein the projection that forms on the fixing part at pipe is made of a projection piece, this projection piece by relative circumferencial direction from an end of this pipe fixing part or the other end with circumferencial direction 45 (the determined distance and position of arc angle is provided with).
6. according to a kind of housing type pipe coupling of claim 1, wherein this links together with the plug and socket Placement to annular pipe union.
7. according to a kind of housing type pipe coupling of claim 1, wherein manage fixing part and contact with the bottom surface of the circumferential groove of pipeline.
8. according to a kind of housing type pipe coupling of claim 1, wherein manage fixing part and contact with the outer surface of the circumferential groove of pipeline.
9. a housing type pipe coupling comprises:
A pair of annular pipe union, each has a space that is used to admit two pipe ends, and each pipeline is provided with a circumferential rib, and it has one near the side surface of pipe end with away from the side surface of pipe end;
One is arranged on the elastic sealing ring in this space, and this space is determined annular pipe union by this, connects thereby produce not have to leak between two pipe ends;
With this fixing device that annular pipe union is fixed together;
Wherein each annular pipe union has the pipe configuration part on the opposite side of space respectively,
The pipe configuration part has the dimple that is used to hold the pipeline circumferential rib,
This dimple has a pair of side surface, and this side surface has the relative end of relative circumferencial direction,
The dimple of one configuration part of annular pipe union pipe has a projection, this projection will with the contacting of the side surface of the circumferential rib of a pipeline, circumferencial direction is on the position away from this pipe end on the one end thereof relatively, an and projection, to contact with the side surface of the circumferential rib of same pipeline, circumferencial direction is on the close end position of same pipeline on its other end relatively
The dimple of another pipe configuration part of same annular pipe union is provided with a projection, this projection will with the contacting of the side surface of the circumferential rib of another pipeline, circumferencial direction is on the close position of this pipe end on the one end thereof relatively, an and projection, to contact with the side surface of the circumferential rib of same pipeline, circumferencial direction is on the end position away from same pipeline on its other end relatively.
10. according to a kind of housing type pipe coupling of claim 9, the projection that wherein forms on dimple has the annular shape that meets the pipeline circumferential rib.
11. according to a kind of housing type pipe coupling of claim 10, the projection that wherein forms on dimple circumferencial direction relatively stretches by being arrived 45 (the determined distance and positions of arc angle) with circumferencial direction to the rear end or the front end of managing the configuration part from an end or the other end of this pipe configuration part continuously.
12. a kind of housing type pipe coupling according to claim 11, wherein manage the configuration part with G-bar by end with rear end or the front propagation of circumferencial direction to the pipe configuration part, above-mentioned end for projection relatively circumferencial direction continuously from an end of this pipe configuration part or the other end 45 (the determined distance and positions of arc angle) that stretch.
13. a kind of housing type pipe coupling according to claim 9, wherein the projection that forms on the configuration part at pipe is made of a projection piece, this projection piece by relative circumferencial direction from an end of this pipe configuration part or the other end with circumferencial direction 45 (the determined distance and position of arc angle is provided with).
14. according to a kind of housing type pipe coupling of claim 9, wherein this links together with the plug and socket Placement to annular pipe union.
15., wherein manage the configuration part and contact with the excircle of the circumferential rib of pipeline respectively according to a kind of housing type pipe coupling of claim 9.
16., wherein manage the configuration part and contact with the excircle of pipeline according to a kind of housing type pipe coupling of claim 1.
17. a kind of housing type pipe coupling according to claim 6, wherein each annular pipe union has a pair of annular end surface, each is equivalent on the circumferential end surface of width of pipe union half in the localities, form the convex connecting part, the circumferential end surface of annular pipe union second half in the localities, form the concavity connecting part, make the convex connecting part of annular pipe union and concavity connecting part to engage with the concavity connecting part and the convex connecting part of another annular pipe union respectively.
18. a kind of housing type pipe coupling according to claim 6, wherein each annular pipe union has a pair of annular end surface, one of them has the convex connecting part, another has the concavity connecting part, makes the convex connecting part of annular pipe union and concavity connecting part to engage with the convex connecting part and the concavity connecting part of another annular pipe union respectively.
19. according to a kind of housing type pipe coupling of claim 1, wherein fixing device has a gong silk spare, the sense of rotation of gong silk spare is identical with the sense of rotation of annular pipe union.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35808897 | 1997-12-25 | ||
| JP358088/97 | 1997-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1221089A true CN1221089A (en) | 1999-06-30 |
Family
ID=18457485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98117218 Pending CN1221089A (en) | 1997-12-25 | 1998-07-20 | Housing type pipe coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1221089A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061340B (en) * | 2004-05-14 | 2010-06-09 | 维克托里克公司 | Pipe coupler and method for mutually facing end for end-to-end fixing pipe fitting |
| CN102011909A (en) * | 2010-09-16 | 2011-04-13 | 陈西民 | Clamp-type flange expansion sealed pipe joint |
| CN102434746A (en) * | 2011-08-26 | 2012-05-02 | 华恩夫成套设备(上海)有限公司 | High-density polyethylene connecting device |
| CN103314244A (en) * | 2010-12-09 | 2013-09-18 | 路博润高级材料公司 | Fluid handling assembly having a multilayered composite pipe employing a mechanical coupling and method of assembling the fluid handling assembly |
| CN103791187A (en) * | 2014-03-04 | 2014-05-14 | 高邮市沐氏消防装备有限公司 | Fire coupling |
| CN104797871A (en) * | 2012-09-11 | 2015-07-22 | 维克托里克公司 | Coupling having gasket pocket of varying depth |
| CN105173584A (en) * | 2015-10-03 | 2015-12-23 | 任金瑞 | Seamless joint of watermelon field transportation track |
| CN105937678A (en) * | 2015-12-31 | 2016-09-14 | 天津膜芮环保科技有限公司 | Pipeline clamp hoop |
| US11060639B2 (en) | 2015-12-28 | 2021-07-13 | Victaulic Company | Adapter coupling |
| US11781683B2 (en) | 2019-11-15 | 2023-10-10 | Victaulic Company | Shrouded coupling |
| US11821546B2 (en) | 2016-05-16 | 2023-11-21 | Victaulic Company | Sprung coupling |
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- 1998-07-20 CN CN 98117218 patent/CN1221089A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061340B (en) * | 2004-05-14 | 2010-06-09 | 维克托里克公司 | Pipe coupler and method for mutually facing end for end-to-end fixing pipe fitting |
| CN102011909A (en) * | 2010-09-16 | 2011-04-13 | 陈西民 | Clamp-type flange expansion sealed pipe joint |
| CN103314244A (en) * | 2010-12-09 | 2013-09-18 | 路博润高级材料公司 | Fluid handling assembly having a multilayered composite pipe employing a mechanical coupling and method of assembling the fluid handling assembly |
| CN102434746A (en) * | 2011-08-26 | 2012-05-02 | 华恩夫成套设备(上海)有限公司 | High-density polyethylene connecting device |
| US9435469B2 (en) | 2012-09-11 | 2016-09-06 | Victaulic Company | Coupling with notched projections having gasket pocket of varying depth |
| CN104797871A (en) * | 2012-09-11 | 2015-07-22 | 维克托里克公司 | Coupling having gasket pocket of varying depth |
| CN103791187A (en) * | 2014-03-04 | 2014-05-14 | 高邮市沐氏消防装备有限公司 | Fire coupling |
| CN103791187B (en) * | 2014-03-04 | 2016-01-13 | 高邮市沐氏消防装备有限公司 | Fire coupling |
| CN105173584A (en) * | 2015-10-03 | 2015-12-23 | 任金瑞 | Seamless joint of watermelon field transportation track |
| US11060639B2 (en) | 2015-12-28 | 2021-07-13 | Victaulic Company | Adapter coupling |
| US11725756B2 (en) | 2015-12-28 | 2023-08-15 | Victaulic Company | Adapter coupling |
| CN105937678A (en) * | 2015-12-31 | 2016-09-14 | 天津膜芮环保科技有限公司 | Pipeline clamp hoop |
| US11821546B2 (en) | 2016-05-16 | 2023-11-21 | Victaulic Company | Sprung coupling |
| US11859737B2 (en) | 2016-05-16 | 2024-01-02 | Victaulic Company | Captured element coupling |
| US11879571B2 (en) | 2016-05-16 | 2024-01-23 | Victaulic Company | Captured element coupling |
| US11781683B2 (en) | 2019-11-15 | 2023-10-10 | Victaulic Company | Shrouded coupling |
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