CN1105432A - Pipe connecting structure - Google Patents
Pipe connecting structure Download PDFInfo
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- CN1105432A CN1105432A CN 94116220 CN94116220A CN1105432A CN 1105432 A CN1105432 A CN 1105432A CN 94116220 CN94116220 CN 94116220 CN 94116220 A CN94116220 A CN 94116220A CN 1105432 A CN1105432 A CN 1105432A
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- packing ring
- pipe
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- pipe connecting
- housing
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Abstract
The pipe jointing structure includes a pair of flanges at the ends of pipes to be jointed. Said flanges are butt-positioned and between them there is a washer that has a convex portion for accepting flanges and a central sealing rubber ring may be expanded and deformed by pressure in pipes. The flanges are contacted with sealing rubber ring in pressurized mode and two pipes are axially jointed by clamping parts.
Description
The present invention relates to be used for pipe connecting structure that pipe is linked to each other.
Known have various methods that pipe is connected with each other.Such as, methods such as steel pipe can utilize and be threaded, flange connection, welding are connected with each other.
In threaded connection method, need the end of the two tubes of connection to be processed into outside thread with the screw thread cutting device, on outside thread, apply sealing material (splice seal and so on).Then, two pipe end outside threads are cooperated with a pipe joint with internal thread, thereby two tubes is connected with each other.The method mainly is applicable to and connects the less steel pipe of diameter.
In the flange connecting means, as above-mentioned threaded connection method, a pair of end of the two tubes of connection that needs is machined to outside thread, the male end of a pipe with two tubes matches with a flange with internal thread respectively again.And then, between two flanges, insert Sealing, and flange is clamped together, thereby two tubes is connected with each other with screw bolt and nut.The method mainly is applicable to and connects the bigger steel pipe of diameter.
In welding method, carry out groove with a pipe end of splaying the two tubes that machine connects needs and prepare, and with scolder insert earlier by mutually against pipe end form-single V groove in.And then, after centering, come melting solder with an electric welding machine, couple together with the two tubes that will constitute single V groove.The method mainly is applicable to and connects the bigger pipe of diameter.
The brazing connection method also is used for steel pipe is connected with each other.In the brazing connection method, sealing compound (brazing flux) is applied on a steel pipe and the steel link, and a pipe end inserts and uses in the link of the heater preheating such as blowtorch, after the preheating, in the gap between steel pipe spelter solder injection pipe and the link, thereby pipe is coupled together.
Perhaps, Stainless Steel Tube utilizes mechanical connection method or welding process to interconnect.In the mechanical connection method, tube end diameter is enlarged by a special-purpose mould or dwindles, and Sealing that a pipe end shape is shaped is contained in the pipe end that enlarges or dwindled, and is clamped by a box nut then.The method is applicable to and connects the less Stainless Steel Tube of diameter.Identical with the situation of steel pipe, welding method is to utilize a Stainless Steel Tube spelter solder and a welding machine special to realize.The method is applicable to and connects the bigger Stainless Steel Tube of diameter.
As mentioned above, can adopt a kind of in the various connecting means habitually according to material or caliber.Like this, exist following point: need special purpose machinery, special fixture, instrument or the like as these methods, need the skilled person to operate.And, be difficult to guarantee just can reach enough voltage endurance capability and water resistances with a kind of simple operations.
The present invention is intended to address the above problem.An object of the present invention is to provide a kind of pipe connecting structure, it is the various special purpose machinerys of needs, anchor clamps, instrument etc. according to the material of pipe or diameter and not, it need not skilled operator and just can easily operate, and can show enough withstand voltage and water resistances.
According to a first aspect of the invention, to achieve these goals, provide a kind of pipe connecting structure, wherein, the tube end that connects in a pair of preparation is formed with a pair of flange, and two flanges are opposed mutually, one packing ring places this between the flange, so that this is assemblied in the protuberance of packing ring flange.And, a rubber seal is arranged in the packing ring inner circumference, it is subjected to the effect of pressing in the pipe and expands and be out of shape, thereby this reaches flange and rubber seal and be subjected to press contacts, and this is clamped a housing and is obtained axially mounting by clamp device pipe.
As mentioned above, in the pipe connecting structure of first aspect according to the present invention, the packing ring protuberance is assemblied in the flange that forms in a pipe one end, packing ring is fixed on the flange of a pipe, the flange that forms in another tube end is assemblied in each protuberance of fixing packing ring, so that this another pipe is fixed on the packing ring.Further, this is covered with a housing flange and packing ring, this is reached to be subjected to press contacts flange and rubber seal, this clamps housing to pipe by clamp device and obtains coaxial supporting.As mentioned above,, need only operator, even under the bigger situation of pipe diameter, also can carry out pipe and connect because this can temporarily put together flange and packing ring.
According to a second aspect of the invention, a kind of pipe connecting structure is provided, wherein, one housing comprises a pair of halfbody with half-circle-arc shape, radially be clipped in therebetween in order to flange, so that this that prepare to connect is to the flange of pipe with comprise that the packing ring of rubber seal and protuberance is included in the housing from the outside with pipe.Further, halved body has that acies is integral the outside axially extended sleeve part in ground with it in the two side separately.Sleeve part has the inner peripheral surface of semicircle arcuation, this inner circumferential surface under the effect of clamp device be in surperficial contact condition under flange near this external peripheral surface of being connected of preparation to pipe reach and be subjected to press contacts.
As mentioned above, in the pipe connecting structure of the second aspect according to the present invention, this of formation housing is clamped to halfbody, so that this flange to pipe is included in the housing with the packing ring that comprises rubber seal and each protuberance.Sleeve part and this interior acies to the halfbody two side are integral and stretch out vertically, and clamped and reach and be subjected to press contacts with near the flange that is under the surperficial contact condition this external peripheral surface to pipe.This has just enlarged halfbody and this is subjected to the area of press contacts mutually to pipe.As a result, the center of two pipes can highly precisely be aimed at naturally, and casing rigidity can be improved because of so a pair of halfbody is arranged, and can carry out the high pipe connection of reliability.
According to a third aspect of the invention we, provide a kind of pipe connecting structure, wherein, a pair of halfbody that constitutes housing is opposed mutually, and the opposed part of both sides is clamped by the bolt as clamp device, so that this is assembled into ring-type to halfbody.
As mentioned above, in the pipe connecting structure of the third aspect according to the present invention, this of formation housing is opposed mutually to halfbody, and the opposed part of both sides is clamped by the bolt as clamp device, and this is assembled into ring-type to halfbody.Therefore, a pair of flange and packing ring temporarily can be put together, then, housing be clamped from the outside.
According to a forth aspect of the invention, provide a kind of pipe connecting structure, wherein, a pair of halfbody is opposed mutually, and a pair of opposed part connects with hinge, and another connects with bolt opposed part, so that this is assembled into ring-type to halfbody.
As mentioned above, in the pipe connecting structure of the fourth aspect according to the present invention, this is opposed mutually to halfbody, and a pair of opposed part connects with hinge, and another connects with bolt opposed part, and this is assembled into ring-type to halfbody.Therefore, be convenient to the assembling of housing.
According to a fifth aspect of the invention, provide a kind of pipe connecting structure, wherein, the bolt that clamps a pair of halfbody is supported swingably by a halfbody, by the swing bolt, bolt can be positioned the clamped position of another halfbody.
As mentioned above, according to the present invention the 5th aspect pipe connecting structure in, clamping this bolt to halfbody is to be supported swingably by a halfbody, by the swing bolt can make bolt be positioned the clamped position of another halfbody.Therefore, can install at an easy rate and clamping bolt.
According to a sixth aspect of the invention, provide a kind of pipe connecting structure, wherein, fluted at the inner circumference of a pair of halfbody that constitutes housing, each protuberance of packing ring can be assemblied in these grooves.
As mentioned above, according to the present invention the 7th aspect pipe connecting structure in, fluted at this each inner circumference to halfbody that constitutes housing, each protuberance of packing ring is assemblied in these grooves.Therefore, can be with respect to packing ring positioning housing more easily.
According to an eighth aspect of the invention, provide a kind of pipe connecting structure, wherein, the protuberance of packing ring is an annular, and protuberance extends along the whole periphery of packing ring body.
As mentioned above, in the pipe connecting structure of the eight aspect according to the present invention, the protuberance of packing ring is an annular, and protuberance extends along the whole periphery of packing ring body.Therefore, can packing ring be fixed on the flange, again by another flange being assemblied in the protuberance and this another flange is fixed in packing ring by a flange is assemblied in the protuberance.
According to a ninth aspect of the invention, provide a kind of pipe connecting structure, wherein, each protuberance of packing ring extends from the periphery of packing ring with predetermined interval.
As mentioned above, according to the present invention the 9th aspect pipe connecting structure in, each protuberance of packing ring is to extend from the periphery of packing ring with predetermined interval.Therefore, can reduce cost.
According to the tenth aspect of the invention, provide a kind of pipe connecting structure, wherein, protuberance is to be fixed in packing ring by an installation component, and a pair of flange is assemblied in the protuberance.
As mentioned above, according to the present invention the tenth aspect pipe connecting structure in, protuberance is that this that be fixed in packing ring with installation component is assemblied in the protuberance flange.Therefore, can at an easy rate protuberance be installed on the packing ring.
According to an eleventh aspect of the invention, provide a kind of pipe connecting structure, wherein, be shaped as packing ring with lath.
As mentioned above, in the pipe connecting structure of the tenth one side, be to be shaped as packing ring with lath according to the present invention.Therefore, can be convenient to produce.
According to a twelfth aspect of the invention, provide a kind of pipe connecting structure, wherein, the circumferential surface of packing ring is coated with the anticorrosive insulation resin.
As mentioned above, according to the present invention the 12 aspect pipe connecting structure in, the circumferential surface of packing ring is coated with the anticorrosive insulation resin.Therefore, can interconnect the pipe of light metal.
Above-mentioned and further purpose of the present invention and novel feature will be from behind detailed description and with reference to becoming clearer in the description of the drawings, still, should be understood that accompanying drawing only is used for illustrative purposes, and not as a limitation of the invention.
Fig. 1 is the present invention's first embodiment's the cut-away view of pipe connecting structure.
Fig. 2 is the cut-away view along II among Fig. 1-II line.
Fig. 3 is the cut-away view of packing ring that is used for the pipe connecting structure of first embodiment of the invention.
Fig. 4 is the front elevation of the packing ring of Fig. 3.
Fig. 5 is the cut-away view of rubber seal that is used for the pipe connecting structure of first embodiment of the invention.
Fig. 6 is the cut-away view of housing that is used for the pipe connecting structure of first embodiment of the invention.
Fig. 7 is the schematic representation along VII among Fig. 6-VII line.
Fig. 8 is the cut-away view of an assembly manipulation step that shows the pipe connecting structure of first embodiment of the invention.
Fig. 9 is the cut-away view of another operating procedure that shows the pipe connecting structure of first embodiment of the invention.
Figure 10 is the cut-away view that shows the another assembly manipulation of first embodiment of the invention.
Figure 11 is the cut-away view of an operating procedure again that shows first embodiment of the invention.
Figure 12 is to be explanatory diagrammatic sketch under the situation about making with light metal of the same race at the pipe that needs connect.
Figure 13 is to be explanatory diagrammatic sketch under the situation about making with different light metals at the pipe that needs connect.
Figure 14 is that the pipe that connects at needs is an explanatory diagrammatic sketch under the situation about making with similar carbon steel.
Figure 15 is the front elevation of housing of pipe connecting structure that is used for the present invention's second embodiment.
Figure 16 is the zoomed-in view of a major component of housing of pipe connecting structure that is used for the present invention's the 3rd embodiment.
Figure 17 is the side view of Figure 16.
Figure 18 is the present invention's the 4th embodiment's a stereogram.
Figure 19 is the end view of Figure 18.
Figure 20 is the sectional view that has amplified, and wherein, half of the housing shown in Figure 19 is broken away.
Figure 21 is the explanation schematic representation that shows the pipe connection procedure that carries out with the housing among Figure 18.
Figure 22 is the cut-away view of Figure 21.
Figure 23 is the front elevation of packing ring of pipe connecting structure that is used for the present invention's the 5th embodiment.
Figure 24 is the cut-away view of packing ring of pipe connecting structure that is used for the present invention's the 6th embodiment.
Figure 25 is the front elevation of Figure 24.
Figure 26 (a) is the schematic representation of operating procedure of holding device of explanation the 7th embodiment's that is used for the present invention pipe connecting structure to Figure 26 (c).
First embodiment
Now describe the first embodiment of the present invention in conjunction with the accompanying drawings in detail.Fig. 1 be of the present invention first, second, show the cut-away view of first embodiment's pipe connecting structure aspect the 5th, the 6th, the 8th, the 9th, the 11 and the 12.Fig. 2 is the cut-away view along the II among Fig. 1-II line.In the drawings, a pipe of connection is prepared in numeral 1 expression, and 2 refer to another root pipes, and the 10th, the packing ring of annular, 20 is rubber seals, 40 is housing, the 50th, clamp device.
End in pipe 1 and 2, with tube wall to radially crooked to form flange 1a and 2a.These two flanges are mutually in the face of also being clipped in packing ring 10 therebetween.As shown in Figure 3 and Figure 4, packing ring 10 has a plurality of protuberances 12 that are fitted into flange 1a and 2a, and protuberance 12 extends from the both side surface of the outer periphery of packing ring body 11.Protuberance 12 can be made one with the outer periphery of packing ring body 11, and perhaps available screw and so on is secured to together.Perhaps, protuberance 12 otherwise can be supported, so that it selectively is contained in the outer periphery of packing ring body 11.In this case, protuberance 12 is with screw and so on rotatably support, has groove to hold protuberance 12 on the packing ring body 11.Therefore, protuberance 12 might be contained in the groove of packing ring body 11.
Further, a groove 13 is arranged in the inner circumference edge of packing ring body 11.A 21(of portion who extends on the excircle of rubber seal 20 sees Fig. 5) in the groove 13 of packing into, thus rubber seal 20 is connected to the inner circumference of packing ring 10.The resin 14(that the circumferential surface of packing ring 10 is coated with such as epoxy resin sees Fig. 3).The inner peripheral surface opening of rubber seal 20 becomes the part of channel shape.As shown in Figure 1, rubber seal 20 is set the width of its width greater than packing ring body 11 for, and rubber seal 20 contacts with flange 1a and 2a depended on pressure.And rubber seal 20 is set the internal diameter size that its internal diameter size is substantially equal to pipe 1 and 2 for.
At the assembled state of housing 40, the pair of sidewalls 46 of housing 40 is being pressed the back side of flange 1a and 2a, is subjected to press contacts thereby flange 1a and 2a and rubber seal 20 are entered.As mentioned above, half housing 41 and 42 inner circumference have annular groove 47, in packing ring 10 is contained in all annular grooves 47.In fluted 48 in all annular groove 47 so that the protuberance 12 of packing ring 10 can be packed in the notch 48 (Fig. 7 only shows half housing 41).Protuberance 12 is to pack in the groove 48 by assemble case 40.And as shown in Figure 1, half housing 41 and 42 inner circumference 47 are coated with the resin such as epoxy resin.
Below, will the operation of this embodiment's linkage structure be described.At first, end formed flange 1a and 2a in pipe 1 and 2, and it is next that pipe 1 is firmly sling.The flange 1a of the pipe 1 that comes surely slinging is assemblied in the protuberance 12 of packing ring 10, sees Fig. 8 and Fig. 9 thereby protuberance 12 is fixed in flange 1a().Then, pipe 2 is temporarily sling,, thereby flange 2a is fixed in protuberance 12 so that the flange 2a of pipe 2 is assemblied in the protuberance 12 of packing ring 10.In the case, can maintain packing ring 10, and pipe 1 is alignd with pipe 2 substantially by the own wt of pipe 2.
Then, cover upper half part (see figure 10) of packing ring 10 with the upper semi-body 41 of housing 40.In the case, upper half part of packing ring 10 is packed in interior all annular grooves 47 in the upper semi-body 41, and the protuberance 12 of packing ring 10 is packed in the groove 48.Then, the lower semi-body 42 of housing 40 is covered on (see figure 10) on lower half portion of packing ring 10.In the case, the same with upper semi-body 41, lower half portion of packing ring 10 is packed in interior all annular grooves 47 of lower semi-body 42, and the protuberance 12 of packing ring 10 is packed in the groove 48.
So, can carry out coaxial positioning to the bolt hole on the ear 44 of bolt hole 45 on the ear 43 of upper semi-body 41 and lower semi-body 42 45.And, can be to the bolt hole 45 coaxial positioning (see figure 6)s on the ear 43 of bolt hole on the ear 44 of upper semi-body 41 45 and lower semi-body 42.Like this, bolt 51 can pass each bolt hole 45 and match with nut 52 (seeing Figure 11).Subsequently, with socket wrench and so on fastening nut 52, so that housing 40 is assembled into annular.Therefore can the excircle of pipe 1 and 2 be clamped (see figure 6) by the inner circumference 42a of the inner circumference 41a of upper semi-body 41 and lower semi-body 42.Therefore, but pipe 1 and 2 coaxial positioning, and can connect into pipe 1 and 2 states of aiming at mutually.
At this moment, pipe 1 and 2 flange 1a and 2a are compressed by the sidewall 46 of the interior all annular grooves 47 in upper semi-body 41 and the lower semi-body 42, and flange 1a and 2a and rubber seal 20 enter and be subjected to press contacts.Therefore,, can eliminate any gap between flange 1a and 2a and the rubber seal 20, thereby guarantee the water resistance when lower pressure in a kind of original state.
As mentioned above, a pair of pipe 1 and 2 and packing ring 10 only can be fixed to and to need an operator just pipe can be coupled together.And, at housing 40 back is installed and just clamps simply and pipe 1 and 2 can be interconnected with bolt 51.As a result, this method can no longer need special machine, anchor clamps, instrument etc., need not the skilled worker and just can operate at an easy rate.When liquid when in pipe 1 and 2, flowing under the lower pressure, can rely on the pressure that produces by housing 40 to eliminate gap between flange 1a and the 2a, thereby keep water resistance.When liquid when in pipe 1 and 2, flowing under the elevated pressures, rubber seal 20 expands outwardly under the highly pressurised liquid effect.Thereby the sidewall of rubber seal 20 can reach pressurized with flange 1a and 2a and closely contact, and the result also will keep water resistance.
And in housing 40, upper and lower semi-body 41 and 42 inner circumference are coated with the resin 49 as the etch-proof insulation of epoxy resin and so on.As shown in figure 12, can connect the pipe made from light metal of the same race, such as, pipe 1 and 2 comprises copper pipe respectively, or pipe 1 and 2 comprises Stainless Steel Tube (SUSP) respectively.In the case, packing ring 10 usefulness and connected pipe 1 and 2 same materials are made.
And, as shown in figure 13,, just can connect the pipe made from different materials 1 and 2 if the peripheral surface of packing ring 10 is coated with etch-proof insulating resin 49.Such as, in feasible combination, 1 comprises that the pipe 1 of carbon steel tube (SGP) can be connected with the pipe 2 that comprises copper pipe, perhaps, comprises that (HTLP, pipe 1 VLP) can be connected with the pipe 2 that comprises copper pipe or carbon steel tube and so on the lined steel pipe.In the case, because packing ring 10 has been coated, packing ring 10 needn't be with making with pipe 1 and 2 identical materials, and can be made of a steel.
When pipe 1 and 2 comprised carbon steel tube, packing ring 10 was made of a steel, and housing 40 and packing ring 10 needn't apply (seeing Figure 14).
Second embodiment
In first embodiment, the situation that clamps upper semi-body 41 and lower semi-body 42 with pair of bolts 51 as holding device 50 has been described.As shown in figure 15, upper semi-body 41 can be connected (third aspect) with a hinge 58 in a side with lower semi-body 42.Housing 40 can easier assembling like this.As first embodiment's situation, in ear 44, can be with or without nut and hold groove 44a.In Figure 15, with same numbers represent with first embodiment in the parts that are equal to mutually, therefore omitted description of them.
The 3rd embodiment
Shown in Figure 16 and 17, bolt 54 can be by pin 55 and being supported swingably by ear 56, with as the clamp device 50(fourth aspect that is used for clamping upper and lower semi-body 41 and 42).Therefore can make the assembling of housing 40 more convenient by bolt 54 being positioned between the ears 57 of upper semi-body 42 around pin 55 swing bolts 54 simply.As first embodiment's situation, can be with or without nut on the ear 44 and hold groove 44a.
The 4th embodiment
Figure 18 is the present invention's the 4th embodiment's the stereogram of housing.Figure 19 is the end view of Figure 18, and Figure 20 is a cut-away view, and wherein, half of the housing shown in Figure 19 is broken away.
In the 4th embodiment, a pair of halfbody 41 and 42 of sleeve part 41b, 42b and formation housing 40 is configured as one, and has from the outward extending vertically semicircular arc inner peripheral surface of interior acies (second aspect) of the two side of each halfbody.In the case, the internal diameter of sleeve part 41b, 42b is set for equal substantially with the external diameter of the pipe of preparing to be connected 1 and 2.
According to the 4th embodiment, the same with first embodiment's situation, a packing ring 10 and a rubber seal 20 are assembled between the flange 1a and 2a of pipe 1 and 2, and in the interior all annular grooves 47 in pack into upper and lower semi-body 41 and 42.Under this state, halfbody 41 and 42 is clamped mutually by holding device 50.As a result, the external peripheral surface that the semicircular arc inner peripheral surface of halved body 41 and 42 sleeve part 41b and 42b is clamped to surface contact state and pipe 1 and 2 is subjected to press contacts, and the contact position is near flange 1a and 2a.
As mentioned above, the external peripheral surface that is clamped to pipe 1 and 2 of sleeve part 41b that extends vertically from halved body 41 and 42 liang of interior acies of facing the wall and meditating and 42b is subjected to press contacts.Therefore, can make halfbody 41 and 42 and this be subjected to the area of press contacts bigger mutually to pipe 1 and 2.Like this, pipe 1 and 2 center can be highly precisely aligning naturally mutually, and halved body 41 and 42 can clamp pipe 1 and 2 more firmly.And housing 40 can have enough intensity, and it is very reliable that pipe is connected.
In the 4th embodiment, halfbody 41 is connected by the hinge 58 that is positioned at their one of common sides with 42, and its opposite side can clamp with clamp device 50, or decontrols from clamped condition.Because clamp device 50 is with shown in Figure 16 identical, with the corresponding parts of same numeral, it describes omission, and, because the structure of packing ring 10 and rubber seal 20 is basically the same as those in the first embodiment, therefore represent corresponding parts with same numbers, it is also described and omits.
Perhaps, in the 4th embodiment, what be used for that clamp devices 50 that two halfbodies 41 and 42 are mutually clamped can be with shown in Fig. 2 and Figure 15 is identical, so that same effect to be provided.And, in the 4th embodiment, halfbody 41 and 42 whole in perimeter surface, comprise the inner circumferential surface of sleeve part 41b and 42b can being coated with etch-proof insulating resin.In the case, can provide same effect by adopting packing ring shown in Figure 12 or the another kind of packing ring 10 that is coated with etch-proof insulating resin 14 shown in Figure 13 selectively according to the material of the pipe 1 that prepare to connect and 2.
The 5th embodiment
In first embodiment, the packing ring 10 that the protuberance 12 that extends with the interval of fan-shaped arc from the outer periphery of its circle body 11 is arranged has been described.Yet as shown in figure 23, the outer periphery of circle body 11 also can have annular protrusion 15(eight aspect).
The packing ring described among the 6th embodiment first and the 5th embodiment 10 is made by cutting metal.Yet, shown in Figure 24 and 25, can make another kind of packing ring 10(the tenth on the one hand by a kind of lath of punching press).Therefore, can make the lighter packing ring of plain washer that obtains than machining metal.In Figure 24 and 25, to represent to be equal to mutually or equivalent parts with same numbers with the first and the 5th embodiment, it describes omission.
The 7th embodiment
In first to fourth embodiment, be with bolt, nut and spring washer with lug 43 and 44 and lug 56 and 57 clamp mutually.Yet,, preferably adopt fastening device as shown in figure 26 if connect and installation pipe 1 and 2 in the very big working site of vibration.In this fastening device, the end of bolt 60 has a cleavable cross line of rabbet joint 61, to comprise that the locking body 63 of a nut 62 has the projection 64 in the line of rabbet joint 61 that can insert on the bolt 62 that stretches out from nut 62, thereby the line of rabbet joint 61 can be rived.
In this fastening device, when bolt 60 is tightened after the state shown in Figure 26 (a) again, in the line of rabbet joint 61 of projection 64 with regard to inserting bolt 60 ends, shown in Figure 26 (b).When further tighting a bolt 60 the time, the end of the line of rabbet joint 61 and bolt 60 is just further rived by projection 64, shown in Figure 26 (c), thereby can prevent that bolt 60 from pitching from nut 62.
As mentioned above, according to a first aspect of the invention, packing ring is being fixed the flange of a pipe, and the flange of another root pipe is being fixed the protuberance of packing ring, temporarily this is put together flange and packing ring.Further, this is covered by housing flange and packing ring, and reaches with rubber seal and be subjected to press contacts, clamps housing by clamp device and makes this obtain coaxial supporting to pipe.As a result, can reach following effect, the pipe that promptly prepare to connect can be aimed at an easy rate and be fixing, and the attended operation of pipe can be undertaken by operator, can be reduced to 1/5th or still less traditional operating time.Further, also have other effects, promptly, no matter how are the type of pipe or diameter, pipe all can only be connected with a kind of method by unskilled operator, and the method need be used for clamping the clamping tool of housing and not need the screw thread cutting device, is used for the special purpose machinery of brazing or welding and assembly fixture etc.And, also have an effect to be, but because therefore highly pressurised liquid Reinforced Rubber Sealing that flows in the pipe that is connected and the contact pressure between the pipe flange have been improved withstand voltage and water resistance.
According to a second aspect of the invention, this makes one to the halfbody that constitutes housing with the outside axially extended sleeve part of acies in each halfbody two side.Sleeve part has the inner circumferential surface of semicircular arc, and this inner circumference is illustrated near being in the flange place of surperficial contact condition and this outer circumferential face to pipe and reaches and be subjected to press contacts.These sleeve part have enlarged halfbody and this is subjected to the area of press contacts mutually to pipe.As a result, its effect is, prepares the center of the pipe that connects and can highly precisely aim at mutually naturally, and casing rigidity can obtain increasing to halfbody because of this, and the pipe that can carry out high reliability connects.
According to a third aspect of the invention we, this of formation housing is opposed to halfbody, and the opposed part of the both sides of half body is clamped by clamp device, so that this is assembled into ring-type to halfbody.As a result, its effect is that housing can temporarily be put the back together from outside clamping to flange and packing ring at this, can easily carry out pipe and connect.
According to the 4th part of the present invention, this is opposed to halfbody, and an opposed part is connected by hinge, and another opposed part is connected by bolt, and this is assembled into ring-type to halfbody.As a result, its effect is, the assembling of housing is very convenient, and pipe connects and is easy to carry out.
According to a fifth aspect of the invention, clamping this bolt to halfbody is to be installed on swingably on the halfbody, by the swing bolt, bolt can be positioned at the clamped position of another halfbody.As a result, its effect is that bolt is easy to install, and nut is easy to clamp.
According to a sixth aspect of the invention, the groove that holds that prevents that nut from sliding is arranged on the halfbody, avoiding the slip of nut, thereby bolt therewith nut cooperate and can clamp this halfbody.As a result, its effect is to clamp with bolt at an easy rate.
According to a seventh aspect of the invention, fluted on this each inner circumference to halfbody of formation housing, the protuberance of packing ring is assemblied in these grooves.As a result, its effect is that housing can be located with respect to packing ring at an easy rate.
According to an eighth aspect of the invention, the protuberance of packing ring is annular, and this protuberance extends the whole excircle of packing ring body.As a result, its effect is, by a flange is assemblied in the protuberance, can at an easy rate packing ring be fixed on this flange, by another flange is assemblied in protuberance, can at an easy rate this another flange be fixed on the packing ring again.
According to a ninth aspect of the invention, each protuberance of packing ring extends with the excircle of predetermined interval from the packing ring body.As a result, its effect is to reduce cost.
According to the tenth aspect of the invention, protuberance is to be fixed in the packing ring body by an installation component, and this is assemblied in the protuberance flange.As a result, its effect is easily protuberance to be installed on the packing ring.
According to an eleventh aspect of the invention, be to be shaped as packing ring with lath.Its effect is to be convenient to produce.
According to a twelfth aspect of the invention, the circumferential surface of packing ring is coated with etch-proof insulating resin.As a result, its effect is, owing to can connect the pipe made from different light metal materials like this, and a kind of packing ring of need only, this just can reduce cost.
According to a third aspect of the invention we, the housing inner circumference is coated with the anticorrosive insulation resin.As a result, its effect is, owing to can connect the light metal pipe like this, and only need a kind of housing, thus can reduce cost.
Though adopted particular term to describe several preferred embodiment of the present invention, this description only is used for explanatory purpose, should be understood that the spirit and scope that do not depart from appended claim, can carry out variations and modifications.
Claims (13)
1, a kind of pipe connecting structure comprises:
The a pair of flange that forms in a pair of tube end of preparing connection, and they are opposed mutually;
One comprises the packing ring of a plurality of protuberances, and described this is assemblied in each protuberance flange, packing ring place described this between the flange; And
One rubber seal, it is installed in the inner circumference of described packing ring, so that expand along with the fluid pressure in the described pipe and be out of shape;
It is characterized in that described this reaches flange and described rubber seal and be subjected to press contacts, described this supported by the clamp device that is used to clamp housing coaxially to pipe, housing containing described this to flange and described packing ring.
2, pipe connecting structure as claimed in claim 1, it is characterized in that, described housing comprises a pair of halfbody that closes circular shape that has, be clipped in therebetween from radial outside with described flange described pipe, thereby with described this to the described flange of pipe and comprise rubber seal and the packing ring of described protuberance is included in the described housing, described halved body has that acies is integral the outside axially extended sleeve part in ground with it in the two side of described halved body, thereby constituting the semicircular arc inner circumferential surface, this inner circumferential surface is under the described holding device effect and be near the described flange of surperficial contact condition described this external peripheral surface to pipe and reach and be subjected to press contacts.
3, pipe connecting structure as claimed in claim 1 or 2 is characterized in that, also comprises described clamp device, the opposed part of its both sides a pair of halfbody that constitutes housing be placed to opposed mutually after by the bolt clamping, so that described housing is assembled into ring-type.
4, pipe connecting structure as claimed in claim 1 or 2, it is characterized in that, also comprise so described clamp device, the mutual opposed part of one side is linked together by a hinge, the mutual opposed part of opposite side a pair of halfbody that constitutes housing be placed to opposed mutually after with the bolt clamping, so that described housing is assembled into ring-type.
5, pipe connecting structure as claimed in claim 1 or 2, it is characterized in that, also comprise so described clamp device, wherein a bolt is supported swingably by one of a pair of halfbody, and makes described bolt be positioned the clamped position of another halfbody by swinging described bolt.
6, as any one the described pipe connecting structure in the claim 2 to 5, it is characterized in that the anti-skidding groove that holds of a nut is arranged in one of described halfbody, slide to avoid nut, described bolt cooperates with a nut, so that a pair of halfbody is clamped together by described bolt.
As any one the described pipe connecting structure in the claim 2 to 4, it is characterized in that 7, constitute on this inner circumference to halfbody of described housing flutedly, each protuberance of described packing ring is assemblied in described these grooves.
8, pipe connecting structure as claimed in claim 1 or 2 is characterized in that, the protuberance of described packing ring extends from the periphery of described packing ring body, to constitute an annular shape protuberance.
9, pipe connecting structure as claimed in claim 1 or 2 is characterized in that, each protuberance of described packing ring extends with predetermined interval from the excircle of described packing ring body.
As claim 1,2,7,8 or 9 described pipe connecting structures, it is characterized in that 10, described protuberance is to be installed on the packing ring body by an installation component.
11, as claim 1,2,7,8,9 or 10 described pipe connecting structures, it is characterized in that described packing ring is made with lath.
12, as claim 1,2,7,8,9 or 10 described pipe connecting structures, it is characterized in that the circumferential surface of described packing ring is coated with the anticorrosive insulation resin.
13, as claim 1,2 and 7 described pipe connecting structures, it is characterized in that the inner circumferential surface of described housing is coated with the anticorrosive insulation resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94116220 CN1105432A (en) | 1994-09-19 | 1994-09-19 | Pipe connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94116220 CN1105432A (en) | 1994-09-19 | 1994-09-19 | Pipe connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1105432A true CN1105432A (en) | 1995-07-19 |
Family
ID=5037812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94116220 Pending CN1105432A (en) | 1994-09-19 | 1994-09-19 | Pipe connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1105432A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305233B (en) * | 2005-11-11 | 2011-06-15 | 乔治·菲舍尔·瓦加公司 | A coupling device for a tube |
| CN102563250A (en) * | 2010-12-01 | 2012-07-11 | 伊原科技株式会社 | Pipe connection structure |
| CN103822034A (en) * | 2014-02-27 | 2014-05-28 | 苏氏工业科学技术（北京）有限公司 | Sealing hoop and connecting structure that sealing hoop connects flange plate |
| CN103940123A (en) * | 2013-01-21 | 2014-07-23 | 吴水森 | Method for producing and assembling ultra-large type solar evacuated tubes |
| CN109210291A (en) * | 2018-10-10 | 2019-01-15 | 特阀江苏流体机械制造有限公司 | A kind of pipe thread flexible joint |
-
1994
- 1994-09-19 CN CN 94116220 patent/CN1105432A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305233B (en) * | 2005-11-11 | 2011-06-15 | 乔治·菲舍尔·瓦加公司 | A coupling device for a tube |
| CN102563250A (en) * | 2010-12-01 | 2012-07-11 | 伊原科技株式会社 | Pipe connection structure |
| CN103940123A (en) * | 2013-01-21 | 2014-07-23 | 吴水森 | Method for producing and assembling ultra-large type solar evacuated tubes |
| CN103822034A (en) * | 2014-02-27 | 2014-05-28 | 苏氏工业科学技术（北京）有限公司 | Sealing hoop and connecting structure that sealing hoop connects flange plate |
| CN103822034B (en) * | 2014-02-27 | 2016-08-24 | 苏氏工业科学技术（北京）有限公司 | A kind of sealing clamp and the attachment structure of a kind of sealing clamp mounting flange |
| CN109210291A (en) * | 2018-10-10 | 2019-01-15 | 特阀江苏流体机械制造有限公司 | A kind of pipe thread flexible joint |
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