CN103422535A - Pipe joint - Google Patents
Pipe joint Download PDFInfo
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- CN103422535A CN103422535A CN201210392269XA CN201210392269A CN103422535A CN 103422535 A CN103422535 A CN 103422535A CN 201210392269X A CN201210392269X A CN 201210392269XA CN 201210392269 A CN201210392269 A CN 201210392269A CN 103422535 A CN103422535 A CN 103422535A
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Abstract
The invention provides a novel pipe joint, which has necessary and sufficient functions as a pipe joint such as for a water supply steel pipe, and simultaneously improves an application property. The pipe joint (1) provided by the invention comprises: straps (5, 5) which are welded on a part of the external circumferential surface of each connection end (4, 4) of two connected pipes (3, 3) and are used for fixing flanges; and a pair of plate-shaped flanges (6, 6) which extend along a direction parallel to a pipe shaft, and are formed at external sides of the straps (5, 5) for fixing the flanges at two positions opposite to the radial directions of the pipes, wherein connection holes (7, 7) for inserting fasteners are arranged on each flange, and the straps (5, 5) for fixing the flanges enable the pipe shafts to only extrude a specified distance to the external parts away from the end edges.
Description
Technical field
The present invention relates to union, relate in particular to as the steel pipe used for the well that underground water is fetched water, the steel pipe that collecting drain is used etc. send water with the joint of steel pipe preferred union.
Background technology
As a kind of will be as the many interconnective methods of pipe sending water to use with steel pipe etc., the simplest method is exactly that the adjacent end end section of two pipes to being connected is welded and the method that connects each other.But, for welding, though in the situation that factory is welded can connect as the crow flies each other pipe, the job site at collecting drain etc., be difficult to connect as the crow flies, easily produces standard deviation, has the poor difficult point of machining accuracy.
In addition, also have a kind of method, the method is, on a side's of two pipes that are connected end, external screw thread is set, and in the opposing party's end, internal thread is set, and a side end is threaded on the opposing party's end, is thus connected two pipes.But the method in the situation that horizontal pipe is connected each other, can connect simply in the situation that caliber is less, if but caliber is larger, and it is difficult by manpower, making a few operations that are screwed into of pipe rotation, also has the shortcoming of spended time.
In addition, also have a kind of method, at the connection end of two pipes that are connected mounting flange, this flange upwards has a plurality of bolts hole in week respectively, the pipe flange each other that makes to be connected be combined make bolt from bolt hole by and with nut, carry out fasteningly, connected thus.This flange is ground and cuts and make it level and smooth mating face by machining, therefore, good leak tightness when pipe is connected each other, but the flange price is high, construction cost is improved, in the situation that make to manage horizontal the connection, bolt is inserted in the bolt hole of downside of flange and fastening operation difficulty very, there is the difficult point of operational difficulty.
Summary of the invention
The present invention is in view of in underground water water intaking well, collecting drain etc., the many pipes as sending water with uses such as steel pipes being carried out to the problems referred to above point of interconnective union in the past makes, its purpose is to provide a kind of union of novelty, there is necessity and function fully as the union that send water with steel pipe etc., make application property improve simultaneously.
The inventor has carried out studying with keen determination and testing for the purpose that realizes the invention described above, its result is for providing a kind of union, in the situation that send water to be connected with the pipe of the uses such as steel pipe to conduct, being directed to butt joint does not partly have the situation of special requirement watertightness, when being simple structure, can bring into play as union and necessary and sufficient function, thereby realize the present invention.
That is, in order to solve above-mentioned problem of the present invention, in of the present invention first forms, provide a kind of union, have: the fixing band of using of flange, it is by chimeric and be fixed at least a portion of outer peripheral face of connection end separately of two pipes that are connected; With the flange of pair of plate-shaped, with tubular axis, extend abreast, on two the radially relative positions with pipe, be fixed on the fixing outside with band of this flange, offer one or more connecting holes that secure component inserts use on each this flange.
In of the present invention second forms, on the basis of the first formation, a kind of union is provided, this flange is by by the fixing both ends with band of this flange, the radial outside bending to pipe forms, or by with the both ends of band, tabular vibrating part being installed and being formed this flange being fixing, this flange is fixing makes the outside routine part of its tubular axis with band, at the ora terminalis from pipe, only the state of outstanding predetermined distance, is fixed on pipe.
In the of the present invention the 3rd forms, on the basis of the second formation, a kind of union is provided, the flange of the side's side in a side's of two pipes that are connected pair of flanges, tubular axis is fixed with the tabular hook pawl radially extended along pipe on ora terminalis to the inside, in the pair of flanges of the opposing party's pipe and the flange contrary side of described side's side, tubular axis is fixed with the tabular hook pawl radially extended along pipe on ora terminalis laterally.
In the of the present invention the 4th forms, on the basis of the first formation, a kind of union is provided, this flange is fixing is by the parts of chimeric shorter tubular in the whole outer peripheral face scope of the connection end of pipe with band, this flange of one side of two pipes that are connected is fixing makes its tubular axis Outboard Sections with band, only retreat to the inside at the ora terminalis from pipe the state of predetermined distance and be fixed on pipe, this flange of the opposing party of two pipes that are connected is fixing makes its tubular axis part laterally with band, at the ora terminalis from pipe, only the state of outstanding predetermined distance, be fixed on pipe, at the tubular axis of this pair of flanges of this opposing party's pipe laterally on ora terminalis, be fixed with respectively the tabular hook pawl radially extended along pipe.
In the of the present invention the 5th forms, on the 4th basis formed, a kind of union is provided, fixing with on band at this side's flange, the pair of flanges that also to be fixed with this flange in the centre of the pipe circumferencial direction of this pair of flanges be same structure, the pair of flanges fixing with on band at this flange of this opposing party, that also to be fixed with this flange in the middle of the pipe circumferencial direction of this pair of flanges be same structure.
In the of the present invention the 6th forms, a kind of union is provided, separate the compartment of terrain landscape configuration of regulation between the adjacent both ends of two pipes that are connected, on the leading section outer peripheral face of the connection end separately of two pipes, be formed with the front end protrusion section of ring-type in the mode outstanding to radial outside, on the tubular axis outer peripheral face to the inside of this front end protrusion section, separate the interval of regulation and be formed with the inside protrusions section of ring-type in the mode outstanding to radial outside from this front end protrusion section, on the position of the regulation between this front end protrusion section and this inside protrusions section, there is the fixing band of using of pair of flanges that cylinder radially is divided into to two-part shape, axial both ends at the fixing outer peripheral face separately with band of this pair of flanges, the mode of extending with the radially inner side to this cylinder is formed with outstanding jut, one side of fixing this jut with band of such flange is temporarily fixed, the opposing party of this jut is outstanding from the connection end of pipe, be provided with axially parallel ground and extend at the fixing circumferencial direction both ends with band of this flange, and be fixed on the pair of plate-shaped flange in the fixing outside with band of this flange, offer one or more connecting holes that secure component inserts use on each this flange.
The effect of invention
According to of the present invention first, form, union has with tubular axis and extends abreast, and on two positions radially with respect to pipe, be fixed on the flange of the pair of plate-shaped in the fixing outside with band of flange, offer one or more connecting holes that secure component inserts use on each this flange, therefore, only the flange of the flange of the pipe by the side that makes to be connected and the opposing party's pipe overlaps and makes the bolt-through connecting hole and carry out fastening operation by nut, just can connect simply two pipes.Therefore, with the method for attachment of the pipe carried out based on weld job in the past, compare, can will manage connection as the crow flies by the operation of simple and short time.In addition, with the union of the type that is screwed in the past, compare, even in the situation that caliber is larger, also need not be made a few operation of pipe rotation, therefore, operation is light, and application property improves.In addition, with must be ground the flanged type union in the past of cutting and need in the all-round scope of flange, carrying out terminal operation to the mating face of flange and compared, manufacturing cost significantly reduces, and does not also have difficulty in the terminal operation of flange bottom, constructs easier.
According to of the present invention second, form, flange is by by the fixing both ends with band of flange, the radial outside bending to pipe forms, because flange is fixing, with band, the outside example part of its tubular axis only being given prominence to the state of predetermined distance at the ora terminalis from pipe is fixed on pipe, so, only by carrying out warpage with the both ends of band and just can form pair of flanges flange being fixing, easy to manufacture and manufacturing cost is cheap.In addition, due to flange fixing with band make its tubular axis laterally part at the ora terminalis from pipe, only the state of outstanding predetermined distance, be fixed on pipe, so, in the situation that connect two pipes, involutory each other by the adjacent ora terminalis that makes two pipes, can make the flange of a side the flange of pipe and the opposing party's pipe overlap, it is easier that operation becomes.
According to the of the present invention the 3rd, form, on the inside routine ora terminalis of tubular axis of the flange of the side's side in a side's of two pipes that are connected pair of flanges, be fixed with the tabular hook pawl radially extended along pipe, the tubular axis of in the pair of flanges of the opposing party's pipe and the flange contrary side of described side's side is laterally on ora terminalis, be fixed with the tabular hook pawl radially extended along pipe, therefore, in the situation that many pipes are connected along the vertical direction, on the position that the flange of the flange of pipe up and the pipe of below is separated from each other, the pipe of top is suspended in midair until the upper ora terminalis of the pipe of its lower ora terminalis and below is involutory, next, make the pipe of top move and the flange of two pipes is overlapped each other, thus, the flange of two sides' pipe is limited mutually by two hook pawls, flange coincidence each other can not break away from, can be easily and stably carry out the terminal operation of flange.
According to the of the present invention the 4th, form, flange is fixing is by the parts of chimeric shorter tubular in the whole outer peripheral face scope of the connection end of pipe with band, one side's of two pipes that are connected flange is fixing makes its tubular axis part laterally with band, only retreat to the inside at the ora terminalis from pipe the state of predetermined distance and be fixed on pipe, this flange of the opposing party of two pipes that are connected is fixing makes its tubular axis part laterally with band, at the ora terminalis from pipe, only the state of outstanding predetermined distance, be fixed on pipe, be fixed with respectively along tabular an ancient unit of weight radially extended of pipe on ora terminalis and hang pawl laterally at the tubular axis of the pair of flanges of this opposing party's pipe, therefore, in the situation that many pipes are connected along the vertical direction, make the pipe of a described side's pipe as top, the pipe that makes described the opposing party is configured as the pipe of below, on the position that the flange of the flange of pipe up and the pipe of below is separated from each other, until fixing, the flange of the pipe of the fixing lower ora terminalis with band of its flange and below use the upper ora terminalis of band involutory the suspention of the pipe of top, next, make the pipe of top rotate and the flange of two pipes is overlapped each other, thus, the flange of two sides' pipe is limited mutually by two hook pawls, flange coincidence each other can not break away from, can be easily and stably carry out the terminal operation of flange.
According to the of the present invention the 5th, form, on the 4th basis formed, fixing with on band at a described side's flange, the pair of flanges that also to be fixed with this flange in the centre of the pipe circumferencial direction of pair of flanges be same structure, fixing with on band at described the opposing party's flange, the pair of flanges that also to be fixed with this flange in the middle of the pipe circumferencial direction of pair of flanges be same structure, so, this joint is by adding up to four pairs of flanges to connect two pipes, connection is further strengthened, even be also effective in the situation that many pipes or heavy caliber and the large pipe of weight suspend in midair.
According to the of the present invention the 6th, form, there is following formation: separate the compartment of terrain landscape configuration of regulation between the adjacent both ends of two pipes that are connected, on the leading section outer peripheral face of the connection end separately of two pipes, be formed with the front end protrusion section of ring-type in the mode outstanding to radial outside, on the tubular axis outer peripheral face to the inside of this front end protrusion section, separate the interval of regulation and be formed with the inside protrusions section of ring-type in the mode outstanding to radial outside from this front end protrusion section, on the position of the regulation between this front end protrusion section and this inside protrusions section, there is the fixing band of using of pair of flanges that cylinder radially is divided into to two-part shape, axial both ends at the fixing outer peripheral face separately with band of this pair of flanges, the mode of extending with the radially inner side to this cylinder is formed with outstanding jut, one side of fixing this jut with band of such flange is temporarily fixed, the opposing party of this jut is outstanding from the connection end of pipe, be provided with axially parallel ground and extend at the fixing circumferencial direction both ends with band of this flange, and be fixed on the pair of plate-shaped flange in the fixing outside with band of this flange, offer one or more connecting holes that secure component inserts use on each this flange.By such formation, in change such as the ground because of earthquake etc., cause two pipes that are connected can't keep straight state, and become mutual bending the situation of state under, thereby cause the temporary fixed destroyed of the fixing jut with band of flange, be spaced from each other two pipes that compartment of terrain connects by flange and fastened fixing pair of flanges is fixing with in the inner space of band mutually, and between the leading section jut and inside protrusions section of each pipe, can be in the freely activity of certain flexible scope.
Therefore, though this union in the situation that the ground change occurs, can not make pipe and union yet any one produce and destroy or damage, thereby can play a role as the flexible joint, so, as the union of collecting drain etc., be useful.
The accompanying drawing explanation
Fig. 1 means the stereogram of a basic embodiment of union of the present invention.
Fig. 2 means the stereogram of the modification of the embodiment shown in Fig. 1.
Fig. 3 means the stereogram of the embodiment of preferred union for being connected to the pipe that suspends in midair on above-below direction.
Fig. 4 means other the stereogram of embodiment of for being connected to the pipe that suspends in midair on above-below direction preferred union.
Fig. 5 means the stereogram of the modification of the embodiment shown in Fig. 4.
Fig. 6 means the stereogram of an embodiment of flexible type union, means the figure of its manufacturing process.
Fig. 7 means the detailed sectional view of the fixing interim welding portion with band and pipe of the flange of the flezxible coupling joint shown in Fig. 6.
Fig. 8 means the stereogram of the method for attachment of flezxible coupling joint at the construction field (site).
Fig. 9 is the key diagram of the function of laying the flezxible coupling joint under common connection status originally for illustrating to illustrate pipe.
Figure 10 is the key diagram of the function for the flezxible coupling joint when because of the ground change, entering into the flexible connection status schematically is described.
The explanation of Reference numeral
1 union
2 blank areas
3 pipes
4 connect end
5 flanges are fixedly used band
6 flanges
7 connecting holes
8 hook pawls
9 front end protrusion sections
10 inside protrusions sections
The specific embodiment
Referring to accompanying drawing explanation the preferred embodiment of the present invention.
Fig. 1 means the stereogram of a basic embodiment of union of the present invention, and Fig. 1 (a) means the figure of the state before butt joint connects, and Fig. 1 (b) means the figure of the state after butt joint is connected.
This embodiment is the embodiment that is equivalent to the formation two on above-mentioned " summary of the invention " hurdle, is in the job site of collecting drain etc., in situation about being used for many pipes connect with horizontal state preferred embodiment.
Present embodiment and each embodiment illustrated afterwards, as the union that screen-grid tube is connected, be illustrated, but the pipe be connected is not limited to screen-grid tube, can also be common columnar steel pipe or resin pipe.In addition, in each embodiment of present embodiment and explanation afterwards, the union that uses is illustrated as the joint of steel, but joint is not limited to steel, can also be metal-made or the resinous joint of alloyed iron etc.
In Fig. 1 (a) in two pipes 3,3 that are connected, nearby the flange of the pipe 3 of side is fixing with band 5, make its tubular axis laterally part from managing 3 ora terminalis only the state of outstanding predetermined distance, chimeric and be welded on the upside outer peripheral face of pipe 3 connection end 4, in Fig. 1 (a), the flange of inboard pipe 3 is fixing with band 5, part is from managing 3 ora terminalis only the state of outstanding predetermined distance, chimeric and be welded on the lower outer periphery face of connection end 4 of pipe 3 laterally to make its tubular axis.In addition, fixing at flange is in resinous situation with band 5, also exists and uses cementing agent to be bonded in situation about connecting on end 4.
The union 1 of present embodiment and moment outbound manufactured in factory becomes the state of Fig. 1 (a), in the situation that the job site of collecting drain etc. is connected pipe, as shown in Fig. 1 (b), by making the nearby flange 6 of the blank area 2 of side, 6 overlap the flange 6 at inboard blank area 2, on 6, and make the nearby connecting hole 7 of the flange of side, 7 and inboard flange 6, 6 connecting hole 7, 7 are complementary, and make bolt connecting hole 7 these are upper and lower along the direction shown in arrow, 7 run through and are undertaken fastening by nut, thus, completed based on pipe 3, 3 union 1 and the connection carried out.
Fig. 2 means the embodiment of modification of the embodiment of Fig. 1.In embodiment below Fig. 2, mean to have parts or the part of the function identical with the embodiment of Fig. 1 by the Reference numeral identical with Fig. 1, and omit its detailed explanation.
(a) of Fig. 2 means the figure of the state before jointing, and Fig. 2 (b) means the figure of the state that has connected joint.This embodiment is the embodiment that is equivalent to above-mentioned formation two, the difference of the embodiment of itself and Fig. 1 is, in the embodiment of Fig. 1, the connecting hole 7 that secure component inserts use is one, with respect to this, in the embodiment of Fig. 2, connecting hole 7 is offered two on the length direction of a flange.Thus, the fastening of flange is reinforced, and the connection of union is reinforced.In addition, the quantity of connecting hole is not limited to two, can also be for more than three.
Fig. 3 means other the figure of embodiment of union of the present invention, is for the pipe in the above-below direction suspention is connected preferred embodiment.This embodiment is equivalent to above-mentioned the 3rd formation.(a) of Fig. 3 means the figure of the state before jointing, and Fig. 3 (b) means the figure of the state that has connected joint.
In this embodiment, in two pipes 3,3 that are connected in Fig. 3 (a), the tubular axis of the flange 6 of side's side in the pair of flanges 6,6 of pipe 3 up (in figure nearby side) is to the inside on ora terminalis, be fixed with the tabular hook pawl 8 radially extended along pipe, below the pair of flanges 6,6 of pipe 3 in the tubular axis of flange 6 of a side contrary to the one side side (inboard in figure) laterally on ora terminalis, be fixed with the tabular hook pawl 8 radially extended along pipe.
According to present embodiment, in the situation that many pipes are connected along the vertical direction, the axle core of the axle core of pipe 3 up and the pipe of below is separated from each other, and on the position that the flange 6 of the flange 6 of the pipe 3 of top and the pipe 3 of below is separated from each other (position of dislocation), the pipe of top 3 is suspended in midair until the upper ora terminalis of the pipe 3 of its lower ora terminalis and below is involutory, next, pipe 3 above making moves along the direction of arrow horizontal in figure, thereby make two pipes 3, 3 flange 6, 6 overlap each other, thus, the flange 6 of two sides' pipe, 6 by two hook pawls 8, 8 are limited mutually, thereby make flange 6, 6 coincidences each other can not break away from, can be easily and stably carry out the terminal operation of flange.
Fig. 4 means other the figure of embodiment of union of the present invention, is for the pipe in the above-below direction suspention is connected preferred embodiment.This embodiment is equivalent to above-mentioned the 4th formation.(a) of Fig. 4 means the figure of the state before jointing, and Fig. 4 (b) means the figure of the state that has connected joint.
In the present embodiment, flange is fixing is chimeric in the whole outer peripheral face scope of the connection end 4 of pipe 3 and the parts of the shorter tubular that welds with band 5, the flange of the pipe 3 of the top of two pipes that are connected is fixing with band 5, make its tubular axis laterally part under ora terminalis from pipe only retreats the state of predetermined distance to the inside, be fixed on pipe 3, the flange of the pipe 3 of the below of two pipes that are connected fixing with band 5 make its tubular axis laterally part only be fixed under the state of outstanding predetermined distance and manage on 3 at ora terminalis from pipe.The pair of flanges the 6, the 6th of each pipe, by fixing the parts different with band 5 from flange, be weldingly fixed on flange fixing with on band 5 and form, below the tubular axis of pair of flanges 6,6 of pipe 3 be fixed with respectively the tabular hook pawl 8,8 radially extended along pipe 3 on ora terminalis laterally.
Embodiment according to Fig. 4, in the situation that a plurality of pipes are connected along the vertical direction, the flange 6 of pipe 3 up, 6 and the flange 6 of the pipe of below, on 6 positions that are separated from each other, until fixing, the flange of the pipe 3 of the fixing lower ora terminalis with band 5 of its flange and below use the upper ora terminalis of band 5 involutory 3 suspentions of the pipe of top, next, make the pipe 3 of top along counterclockwise rotation in Fig. 4 (a), thereby make the flange 6 of two pipes, 6 overlap each other, thus, the flange 6 of two sides' pipe, 6 by two hook pawls 8, 8 are supported mutually, flange coincidence each other can not break away from, thereby can be easily and stably carry out the terminal operation of flange.
Fig. 5 means other the figure of embodiment of union of the present invention, be with the embodiment of Fig. 4 for the pipe in the above-below direction suspention is connected preferred embodiment similarly.Present embodiment is equivalent to above-mentioned the 5th formation.(a) of Fig. 5 means the figure of the state before jointing, and Fig. 5 (b) means the figure of the state that has connected joint.
In the present embodiment, the flange of pipe 3 up is fixing with on band 5, a pair of flange 6-2, the 6-2 appended that also to be welded with this flange in the centre of the pipe circumferencial direction of pair of flanges 6,6 be same structure, below flange fixing with on band 5, pair of flanges 6-2,6-2 that in the middle of the pipe circumferencial direction of pair of flanges 6,6, also to be welded with this flange be same structure.Other structure is identical with the embodiment of Fig. 4.
According to present embodiment, this joint, by adding up to four pairs of flanges to be connected two pipes, makes to connect further strengthening, in the situation that many pipes or heavy caliber and the large pipe of weight are suspended in midair, is effective.
Fig. 6～Figure 10 means other the figure of embodiment of union of the present invention.Present embodiment is the embodiment that is equivalent to the flezxible coupling joint of above-mentioned formation six, is the job site at collecting drain etc., in situation about being used so that the many horizontal states of pipe connect preferred embodiment.
Fig. 6 means the figure of the manufacturing process of joint, Fig. 7 means the detailed sectional view of the fixing interim welding portion with band and pipe of the flange of flezxible coupling joint, Fig. 8 means the figure of the method for attachment of the flezxible coupling joint in job site, Fig. 9 is for the key diagram in the function of laying the flezxible coupling joint under common connection status originally of pipe schematically is described, Figure 10 is the key diagram of the function for the flezxible coupling joint while because of ground change, entering into the flexible connection status schematically is described.
In the present embodiment, as Fig. 7 enlargedly as shown in, at the interval (d of Fig. 7) that separates regulation between the adjacent both ends 4,4 of be connected two pipes 3,3 and on the leading section outer peripheral face that respectively connects end 4 landscape configuration, two pipes 3,3, be formed with the front end protrusion section 9 of ring-type in the mode outstanding to radial outside, on the tubular axis outer peripheral face to the inside of front end protrusion section 9, from front end protrusion section 9, separate the interval (f of Fig. 7) of regulation and be formed with the inside protrusions section 10 of ring-type in the mode outstanding to radial outside.Front end protrusion section 9 compares with inside protrusions section 10, makes to form highly to the projecting height of radial outside, and also makes the axial width of pipe of protuberance form greatly.
Each bearing be subject to the flange of part 2 fixing with band 6 for cylinder radially is divided into to two-part shape, the mode at the axial both ends of its outer peripheral face with the extension of the radially inner side to this cylinder is formed with outstanding jut 5a.On the position 11 of pipe 3 front end protrusion section 9 and the regulation between inside protrusions section 10, the side of the fixing jut 5a with band 5 of flange is welded temporarily, and the opposing party of jut 5a gives prominence to from the connection end 4 of pipe.As shown in Figure 7, the leading section ora terminalis that this interim welding makes jut 5a is soldered under the state that only floats given size from managing 3 external surface, makes when joint becomes the flexible state, manages 3,3 spaces by joint inside and can move as far as possible.Fix and be provided with tabular flange 6,6 with the circumferencial direction both ends of band 5 at flange, this flange 6,6 and axially parallel ground extend, and are fixed on the fixing outside with band 5 of flange.This flange 6,6 is by by the fixing outboard end with band 5 of flange, the radial outside bending to pipe forms.Offer two connecting holes 7,7 that secure component inserts week on each flange 6,6.
This flexible joint is welded on the blank area 2 shown in the left side of Fig. 6 (a) upside of a side's who is connected pipe 3 temporarily, blank area 2 shown in the right side of Fig. 6 (b) is welded on to the downside of the pipe 3 of the below be connected temporarily, thereby becomes after the state of Fig. 6 (b) from factory's outbound.In addition, job site at collecting drain etc., make the flange 6,6 of the blank area 2 on the flange 6,6 of blank area 2 in the left side shown in Fig. 8 (a) and right side become the state of Fig. 8 (b) coinciding with the upper and lower, and make bolt run through connecting hole 7,7 and, by fastening nuts, complete thus the connection of pipe 3,3 along the direction of arrow.
This union lays under common connection status originally pipe, as shown in Figure 9, at the fixing side's with band 5 of each flange jut 5a, be welded under the state on the outer peripheral face of managing 3 temporarily, pipe 3, 3 modes with the interval d (Fig. 7) separating each other regulation are fixed on by the flange of union 3 fixing with band 5, 5 and in the space that forms, cause two pipes 3 that are connected in change such as the ground because of earthquake etc., 3 can't keep straight state, and become in the situation of state of mutual bending, as shown in figure 10, flange is fixing with band 5, 5 jut temporary fixed destroyed, thereby cause being spaced from each other two pipes that compartment of terrain connects, passing through flange, fastening fixing pair of flanges is fixing with in the inner space of band mutually, and between the leading section jut 9 and inside protrusions section 10 of each pipe, can be freely movable in certain flexible scope and flexible angle.Therefore, though this union in the situation that the ground change occurs, can not make to manage yet 3 and any one of union 1 produce and destroy or damage, thereby can play a role as the flexible joint.
Claims (6)
1. a union is characterized in that having: the fixing band of using of flange, and it is by chimeric and be fixed at least a portion of outer peripheral face of connection end separately of two pipes that are connected; With the flange of pair of plate-shaped, with tubular axis, extend abreast, on two the radially relative positions with pipe, be fixed on the fixing outside with band of this flange, offer one or more connecting holes that secure component inserts use on each this flange.
2. union as claimed in claim 1, it is characterized in that, this flange is by by the fixing both ends with band of this flange, the radial outside bending to pipe forms, or by with the both ends of band, tabular vibrating part being installed and being formed this flange being fixing, this flange is fixing makes its tubular axis part laterally with band, at the ora terminalis from pipe, only the state of outstanding predetermined distance, is fixed on pipe.
3. union as claimed in claim 2, it is characterized in that, the flange of the side's side in a side's of two pipes that are connected pair of flanges, tubular axis is fixed with the tabular hook pawl radially extended along pipe on ora terminalis to the inside, in the pair of flanges of the opposing party's pipe and the flange contrary side of described side's side, tubular axis is fixed with the tabular hook pawl radially extended along pipe on ora terminalis laterally.
4. union as claimed in claim 1, it is characterized in that, this flange is fixing is by the parts of chimeric shorter tubular in the whole outer peripheral face scope of the connection end of pipe with band, this flange of one side of two pipes that are connected is fixing makes its tubular axis Outboard Sections with band, only retreat to the inside at the ora terminalis from pipe the state of predetermined distance and be fixed on pipe, this flange of the opposing party of two pipes that are connected is fixing makes its tubular axis part laterally with band, at the ora terminalis from pipe, only the state of outstanding predetermined distance, be fixed on pipe, at the tubular axis of this pair of flanges of this opposing party's pipe laterally on ora terminalis, be fixed with respectively the tabular hook pawl radially extended along pipe.
5. union as claimed in claim 4, it is characterized in that, fixing with on band at this side's flange, the pair of flanges that also to be fixed with this flange in the centre of the pipe circumferencial direction of this pair of flanges be same structure, the pair of flanges fixing with on band at this flange of this opposing party, that also to be fixed with this flange in the middle of the pipe circumferencial direction of this pair of flanges be same structure.
6. a union, it is characterized in that, separate the compartment of terrain landscape configuration of regulation between the adjacent both ends of two pipes that are connected, on the leading section outer peripheral face of the connection end separately of two pipes, be formed with the front end protrusion section of ring-type in the mode outstanding to radial outside, on the tubular axis outer peripheral face to the inside of this front end protrusion section, separate the interval of regulation and be formed with the inside protrusions section of ring-type in the mode outstanding to radial outside from this front end protrusion section, on the position of the regulation between this front end protrusion section and this inside protrusions section, there is the fixing band of using of pair of flanges that cylinder radially is divided into to two-part shape, axial both ends at the fixing outer peripheral face separately with band of this pair of flanges, the mode of extending with the radially inner side to this cylinder is formed with outstanding jut, one side of fixing this jut with band of flange is temporarily fixed, the opposing party of this jut is outstanding from the connection end of pipe, be provided with at the fixing circumferencial direction both ends with band of this flange the pair of plate-shaped flange that extends and be fixed on the fixing outside with band of this flange with axially parallel ground, offer one or more connecting holes that secure component inserts use on each this flange.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-118464 | 2012-05-24 | ||
| JP2012118464A JP6002990B2 (en) | 2012-05-24 | 2012-05-24 | Pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103422535A true CN103422535A (en) | 2013-12-04 |
| CN103422535B CN103422535B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392269.XA Active CN103422535B (en) | 2012-05-24 | 2012-10-11 | Pipe joint |
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| Country | Link |
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| JP (1) | JP6002990B2 (en) |
| CN (1) | CN103422535B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143558A (en) * | 2017-06-14 | 2017-09-08 | 苏州赛易特环保科技有限公司 | A kind of connecting pipe |
| CN110030420A (en) * | 2019-03-05 | 2019-07-19 | 南通市力沛流体阀业有限公司 | A kind of high temperature and pressure gate valve and assembly technology suitable for thermal power generation |
| CN111237749A (en) * | 2020-01-19 | 2020-06-05 | 佛山兴技源科技有限公司 | Connecting device, pulverized coal burner nozzle assembly and assembling and replacing method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5982681B2 (en) * | 2012-10-11 | 2016-08-31 | 株式会社ナガオカ | Pipe fittings for connecting pipes suspended vertically |
| JP7013412B2 (en) * | 2019-04-22 | 2022-01-31 | 中西商事株式会社 | Double tube structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107143558A (en) * | 2017-06-14 | 2017-09-08 | 苏州赛易特环保科技有限公司 | A kind of connecting pipe |
| CN110030420A (en) * | 2019-03-05 | 2019-07-19 | 南通市力沛流体阀业有限公司 | A kind of high temperature and pressure gate valve and assembly technology suitable for thermal power generation |
| CN111237749A (en) * | 2020-01-19 | 2020-06-05 | 佛山兴技源科技有限公司 | Connecting device, pulverized coal burner nozzle assembly and assembling and replacing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013245719A (en) | 2013-12-09 |
| CN103422535B (en) | 2017-10-13 |
| JP6002990B2 (en) | 2016-10-05 |
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