CN105987247A - Hooked metal clamp compensator for plastic pipelines and usage method thereof - Google Patents
Hooked metal clamp compensator for plastic pipelines and usage method thereof Download PDFInfo
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- CN105987247A CN105987247A CN201510045978.4A CN201510045978A CN105987247A CN 105987247 A CN105987247 A CN 105987247A CN 201510045978 A CN201510045978 A CN 201510045978A CN 105987247 A CN105987247 A CN 105987247A
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Abstract
The invention relates to the field of expansion and compensation devices for pipelines, in particular to a hooked metal clamp compensator for plastic pipelines and a usage method thereof. The hooked metal clamp compensator for plastic pipelines comprises a congruent upper clamp part (11) and a lower clamp part (12) and is characterized in that the upper clamp part (11) and the lower clamp part (12) comprise clamps (21), back seat rings (22) and ear plates (23), and sliding stroke pipe sleeve rings (3) and sealing rings (4); the upper clamp part (11) and the lower clamp part (12) are spliced in the manner with openings opposite to each other and sleeved outside of the sealing rings (4) and the sealing rings (4) are banded; the usage method for the hooked metal clamp compensator for plastic pipelines is characterized by comprising following steps: sleeving, hot melting, clamping the sealing rings; and clamping and fastening the upper clamp part (11) and the lower clamp part (12). The hooked metal clamp compensator for plastic pipelines and the usage method thereof have following beneficial effects: operation is easy; construction is convenient; good stability is obtained; and the application scope is broad.
Description
Technical field
The present invention relates to the expansion compensation device field of pipeline, be specially a kind of eave tile metal clip plastic pipe compensator and using method thereof.
Background technology
Plastic conduit because of install with use during the especially heating plastic duct system temperature difference bigger, plastic conduit is easily caused to expand with heat and contract with cold generation, cause tubing deformation, produce the phenomenons such as Serpentis is curved, cause tubing and pipe connector often to produce percolating water, time serious, threaten the safe handling of tubing.To this end, current art is through receiving frequently with metal or rubber corrugated compensator, telescopic plastics compensator etc. and compensate elongation and the shortening that plastic conduit causes because of the temperature difference.
Using Flange joint method when FlexbleJoint is connected with plastic conduit, install cumbersome, especially planar seal ring installs more difficulty, often occurring leaking, open piping uses, and keeps in repair more convenient, and as concealed installation goods direct-burried subterranean pipe line, maintenance extremely inconvenience, more it is not suitable for.The compensation dosage of FlexbleJoint is little, and the most only about 20mm～30mm, uses conveniently in short distance pipe-line system, but uses density of setting too big in buried distance pipe-line system, and poor effect easily produces percolating water phenomenon.
Telescopic plastics compensator is also by planar seal ring anti-water-stop body seepage between big and small sheath, is easily generated percolating water phenomenon during conduit running；More greatly and heavier, bright dress installation difficulty, the support of fixed compensator is complicated for this compensator length；In section for buried pipeline system, in telescopic plastics compensator inspection shaft to be arranged on, increase engineering cost；Telescopic plastics compensator makes material with cost of labor costly, and product price is more expensive.
Summary of the invention
In order to overcome the defect of prior art, it is provided that a kind of simple in construction, pipeline connector easy for installation, applied widely, the invention discloses a kind of eave tile metal clip plastic pipe compensator and using method thereof.
The present invention reaches goal of the invention by following technical solution:
A kind of eave tile metal clip plastic pipe compensator, including upper fastener and lower fastener, upper fastener and lower fastener congruence, the cross section of upper fastener and lower fastener is all arch, upper fastener and lower fastener split in the way of opening is relative, is characterized in that: also include sliding stroke pipe and sealing ring
Upper fastener and lower fastener all include clip, rear seat ring and otic placode,
The cross section of clip and rear seat ring is all arch, the internal diameter of clip is more than the internal diameter of rear seat ring, with banding sealing ring and prevent sealing ring from being burst because of internal pressure, two end faces of each clip respectively connect one after seat ring, the outer face of rear seat ring is provided with back-up ring, the junction of clip medial wall and rear seat ring medial wall forms step, and two pieces of otic placodes are separately fixed on the side of clip and rear seat ring, every piece of otic placode has at least one connecting hole；
Sliding stroke pipe is tubular, and two sliding stroke pipes are respectively oppositely arranged with an end face, leaves gap between the end face that two sliding stroke pipes are relative；Sealing ring is tubular, and the two ends of sealing ring all form c-type or the buckle of O type to in-flanges, and sealing ring hoop is on the lateral surface of two sliding stroke pipes, and the lateral surface of respectively with one sliding stroke pipe of lateral surface of two ends buckle is fitted；
The split and to be set in sealing ring outer and by sealing ring banding in the way of opening is relative of upper fastener and lower fastener, sealing ring is embedded on the medial surface of clip and is located between two steps, make the back-up ring on rear seat ring outer face be located at the outside of sliding stroke pipe outer face simultaneously, prevent sliding stroke pipe from skidding off upper fastener and inner chamber that lower fastener pieces together；
Each connecting hole on upper fastener otic placode connects fastening with clamping screw again with after a connecting hole alignment on lower fastener otic placode respectively.
Described eave tile metal clip plastic pipe compensator, is characterized in that: when the connecting hole quantity on otic placode is 1, connecting hole is located at the midpoint that otic placode is axial；When connecting hole quantity on otic placode is more than 1, the axial two ends of otic placode respectively set 1 connecting hole (231), and remaining connecting hole is located on the Along ent of two ends connecting hole line；
If: the gap between the end face that two sliding stroke pipes are oppositely arranged is a, and the axial length of clip, sliding stroke pipe and this three of sealing ring is respectively L1、L2And L3, then: a is 20mm～200mm, L1=L3=a+20mm, L2=a+12mm,
The wall thickness of sliding stroke pipe is 4mm～25mm；Internal diameter 20mm～40mm bigger than the internal diameter of rear seat ring of clip；Internal diameter 1mm～2mm bigger than the external diameter of sliding stroke pipe of clip；Internal diameter 2mm～4mm bigger than the external diameter of sliding stroke pipe of sealing ring card buckle, the width of sealing ring card buckle is 10mm～20mm.
The using method of described eave tile metal clip plastic pipe compensator, is characterized in that: implement as follows:
The most respectively sliding stroke pipe is set on the lateral surface of an end face of two plastic conduits to be connected；
B. to be connected two piece plastic conduit is made to be oppositely arranged with two end faces flushed with sliding stroke end surfaces and reserve gap, the lateral surface of two sliding stroke pipes binds round sealing ring, makes the lateral surface laminating of respectively with one sliding stroke pipe of lateral surface of sealing ring two ends buckle；
C. upper fastener and lower fastener in sealing ring outer hoop, the medial surface hoop making clip and makes sealing ring be located between two steps outside sealing ring, the back-up ring on rear seat ring outer face is made to block the outer face of sliding stroke pipe, make each connecting hole on upper fastener otic placode align with a connecting hole on lower fastener otic placode respectively, connect fastening with clamping screw subsequently；
D. by plastic conduit conveyance fluid medium, when fluid media (medium) injects in sealing ring, sealing ring is softened by the pressure of fluid media (medium), thus is more closely covered in outside sliding stroke pipe, and the sealing property of the biggest then sealing ring of pressure that sealing ring is applied by fluid media (medium) is the best；
When plastic conduit makes length change because of expanded by heating or contract on cooling, the gap reserved between two sliding stroke end surfaces makes sliding stroke pipe change along the axially free flexible length with absorption or compensation plastic conduit of sealing ring inwall；
Retreat because of the flow media thrust suppressed or during contract on cooling when plastic conduit inserts end face within clip, back-up ring on rear seat ring outer face catches on the outer face of sliding stroke pipe, and limit slippage stroke pipe outwards shrinks and prevents sliding stroke pipe from coming off inside sealing ring and skids off.
The using method of described eave tile metal clip plastic pipe compensator, is characterized in that: during step a, adopts with the following method:
External diameter according to plastic conduit selects the sliding stroke pipe matched, one sliding stroke pipe of each set on every plastic conduit, make an end face and the end face of plastic conduit one of sliding stroke pipe, make sliding stroke pipe by electrical heating hot melt subsequently and fused into one by sheathed plastic conduit.
The using method of described eave tile metal clip plastic pipe compensator, is characterized in that: during step a, adopts with the following method:
An end face flange jumping-up to plastic conduit, forms the sliding stroke pipe of the tubulose being sheathed on outside plastic conduit on the lateral surface of plastic conduit end face.
The using method of described eave tile metal clip plastic pipe compensator, is characterized in that:
Upper fastener and the lower fastener quantity on pipeline determines according to the straight length of pipeline: when having a connecting hole on every piece of otic placode, one secondary upper fastener and lower fastener is set every 12m～24m, when elected every piece of otic placode has at least two connecting hole, one secondary upper fastener and lower fastener is set every 100m～120m；
Gap a between the end face that two sliding stroke pipes are oppositely arranged determines according to circumstance of temperature difference when flow media, pipeline use in pipeline and upper fastener, the lower fastener density of setting on pipeline: when the temperature difference≤50 DEG C and when 12m～24m arranges a secondary upper fastener and lower fastener a take 20mm～40mm, when the temperature difference≤90 DEG C and when 12m～24m arranges a secondary upper fastener and lower fastener a take 40mm～60mm；When the temperature difference≤50 DEG C and when 100m～120m arranges a secondary upper fastener and lower fastener a take 60mm～80mm, when the temperature difference≤90 DEG C and when 100m～120m arranges a secondary upper fastener and lower fastener a take 100mm～120mm.
In the present invention, sealing ring, upper fastener and lower fastener use distinctive salable structure so that connector has good sealing, and strengthens accordingly with the sealing that increases of tube fluid pressure；Rear seat ring plays the effect supporting sealing ring from side, and the sliding stroke pipe box after fusion encloses hook platform effect, stops the medium in pipe of the plastic conduit after connecting to suppress or retreat in running under the effect of clip.
The operation principle of the present invention is: stays between two sliding stroke pipe box circles and sets gap, upper fastener and lower fastener are anchored on the outer surface of plastic conduit, under the effect of sealing ring, formation one is airtight, be coated at the eave tile card cranse of sliding stroke pipe, when plastic conduit is because heat expansion or contract on cooling are after the surface of sealing ring is streaked, now the working environment of sealing ring and state are constant and still play sealing function, the elongation staying the gap set to cause because of the temperature difference for absorbing or compensate plastic conduit between two sliding stroke pipe box circles and shortening.
The invention has the beneficial effects as follows:
The most simple to operate:
The attended operation of eave tile clip pipe fitting is the most easy, it is not necessary to special professional skill, and common laborer is the most operable through simple training.This is because substantial amounts of fine technology segment has been added in finished product by product in batch production mode.At one, pipe fitting connects only needs time a few minutes, simplifies the technical difficulty of execute-in-place to greatest extent, saves man-hour, thus also stabilizes construction quality, improves work efficiency.This is also the general direction of mounting technique development.
And the pipeline connected mode of traditional welding and Flange joint, not only need the welder of corresponding technical ability, and time-consuming, and the operation easier of workman is big, and there is the pollution of weld fumes.Due to working place and the difference of welding technical ability, welding quality and outward appearance are all difficult to reach satisfied result, thus affect the total quality of engineering.
Further, since eave tile metal clip is finished parts, the working place required for scene is little, and realization that can be real is installed by angle by wall, and operation easier greatly reduces, thus saves floor space, has beautified the effect of Pipe installing.
2. the original characteristic of pipeline is unaffected:
Eave tile clip pipe fitting connects, only fixing with extruding at connected pipe outer surface, and does not destroy inner-walls of duct structure, and this is to connect distinctive technological merit.If using traditional welding operation, the pipeline that many inwalls did anticorrosive coat all will be destroyed.Therefore specification specifies zinc-plated pipeline, and line plastic-steel tube, steel-plastics composite pipe etc. all must not use welding and Flange joint, otherwise need after-treatment.
3. be conducive to construction safety:
Using eave tile clip pipe fitting interconnection technique, on-the-spot only electric-fusion plastic tube lasso and the spanner of the tight bolt of button, construction organization is convenient.And use welding and Flange joint, then needing to be equipped with the instruments such as the hot-smelting butt of complexity, cutting machine, this just brings complexity to construction organization, and the molten tumor that hot melt produces easily produces the blocking of pipeline valve member even equipment.
It addition, sweat soldering and Flange joint unavoidably need the work high above the ground of long high intensity, also it is susceptible to work safety accident.
4. system stability is good, easy to maintenance:
Eave tile clip pipe fitting connected mode has the flexibility characteristics of uniqueness; pipeline is made to have the ability of anti-vibration, resisted shrinkage and expansion; compared with sweat soldering and Flange joint; the stability of pipe-line system increases; it is more suitable for the change of temperature; thus protect pipeline valve member, decrease the pipe stress destruction to structural member.
Owing to eave tile clip pipe fitting attended operation is simple, required working place diminishes, and this is that maintenance in the future brings many and facilitates condition.When pipeline needs repairing and changes, only need to unclamp two panels clip and can arbitrarily change, rotate, revise one section of pipeline.It is not required to destroy body of wall around, decreases maintenance time and maintenance cost.
5. good economy performance:
Back seat type eave tile metal clip compensator, overall price is suitable with the price of corrugated stainless steel tubing, is about the 20% of plastics dedicated compensator, and easy for installation, simple to operate, saving of work and time, therefore has good economic benefit.
The most applied widely:
Eave tile metal clip compensator, as the plastic conduit compensation way of a kind of advanced person, i.e. bright can fill, can also bury underground, therefore have the scope of application widely.
(1) divide by system: can be used on central air-conditioning pipe system, heating power and heating buried pipeline system, heating garage and pipe well dry pipe system, hot spring tubing, delivery pipeline system, petrochemical pipe system, industrial piping system etc.；
(2) divide by pipe material: can be used for compensating glass multiple tube, pure plastics, aluminium-plastic pipe, steel wire mesh frame pipe etc..
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of upper fastener in the present invention；
Fig. 2 is the axonometric drawing at another visual angle of upper fastener in the present invention；
Fig. 3 is present invention generalized section when using.
Detailed description of the invention
The present invention is further illustrated below by way of specific embodiment.
Embodiment 1
A kind of eave tile metal clip plastic pipe compensator, including upper fastener 11, lower fastener 12, sliding stroke pipe 3 and sealing ring 4, as it can be seen, concrete structure is:
Upper fastener 11 and lower fastener 12 congruence, the cross section of upper fastener 11 and lower fastener 12 is all arch, and the present embodiment all takes semicircle, upper fastener 11 and lower fastener 12 split in the way of opening is relative；
Upper fastener 11 and lower fastener 12 all include clip 21, rear seat ring 22 and otic placode 23,
Upper fastener 11 is as depicted in figs. 1 and 2, the cross section of clip 21 and rear seat ring 22 is all semicircle, the internal diameter of clip 21 is more than the internal diameter of rear seat ring 22, with banding sealing ring 4 and prevent sealing ring 4 from being burst because of internal pressure, two end faces of each clip 21 respectively connect one after seat ring 22, the outer face of rear seat ring 22 is provided with back-up ring 221, the junction of clip 21 medial wall and rear seat ring 22 medial wall forms step 211, two pieces of otic placodes 23 are separately fixed on the side of clip 21 and rear seat ring 22, and every piece of otic placode 23 has at least one connecting hole 231；
Sliding stroke pipe 3 is tubular, and two sliding stroke pipes 3 are respectively oppositely arranged with an end face, leaves gap between the end face that two sliding stroke pipes 3 are relative；Sealing ring 4 is tubular, and the two ends of sealing ring 4 all form c-type or the buckle 41 of O type to in-flanges, and sealing ring 4 binds round on the lateral surface of two sliding stroke pipes 3, the lateral surface laminating of respectively with one sliding stroke pipe 3 of lateral surface of two ends buckle 41；
The split and to be set in sealing ring 4 outer and by sealing ring 4 banding in the way of opening is relative of upper fastener 11 and lower fastener 12, sealing ring 4 is embedded on the medial surface of clip 21 and is located between two steps 211, make the back-up ring 221 on rear seat ring 22 outer face be located at the outside of sliding stroke pipe 3 outer face simultaneously, prevent sliding stroke pipe 3 from skidding off upper fastener 11 and inner chamber that lower fastener 12 pieces together；
Each connecting hole 231 on upper fastener 11 otic placode 23 connects fastening with clamping screw again with after connecting hole 231 alignment on lower fastener 12 otic placode 23 respectively.
On otic placode 23, the position of connecting hole 231 determines as follows: when connecting hole 231 quantity on otic placode 23 is 1, connecting hole 231 is located at the midpoint that otic placode 23 is axial；When connecting hole 231 quantity on otic placode 23 is more than 1, the axial two ends of otic placode 23 respectively set 1 connecting hole 231, and remaining connecting hole 231 is located on the Along ent of two ends connecting hole 231 line；
If: the gap between the end face that two sliding stroke pipes 3 are oppositely arranged is a, and the axial length of clip 21, sliding stroke pipe 3 and this three of sealing ring 4 is respectively L1、L2And L3, then: a is 20mm～200mm, L1=L3=a+20mm, L2=a+12mm,
The wall thickness of sliding stroke pipe 3 is 4mm～25mm；The internal diameter of clip 21 is than big 20mm～40mm of internal diameter of rear seat ring 22；Internal diameter 1mm～2mm bigger than the external diameter of sliding stroke pipe 3 of clip 21；Internal diameter 2mm～4mm bigger than the external diameter of sliding stroke pipe 3 at sealing ring 4 buckle 41, the width at sealing ring 4 buckle 41 is 10mm～20mm.
When the present embodiment uses, implement as follows:
The most respectively sliding stroke pipe 3 is set on the lateral surface of an end face of two plastic conduits 10 to be connected, when arranging, can use one of following two kinds of methods:
I. the sliding stroke pipe 3 matched is selected according to the external diameter of plastic conduit 10, one sliding stroke pipe 3 of each set on every plastic conduit 10, make an end face and the end face of plastic conduit 10 1 of sliding stroke pipe 3, make sliding stroke pipe 3 by electrical heating hot melt subsequently and fused into one by sheathed plastic conduit 10；
Ii. an end face flange jumping-up to plastic conduit 10, forms the sliding stroke pipe 3 of the tubulose being sheathed on outside plastic conduit 10 on the lateral surface of plastic conduit 10 end face；
B. to be connected two piece plastic conduit 10 is made to be oppositely arranged with two end faces with sliding stroke pipe 3 end face and reserve gap, the lateral surface of two sliding stroke pipes 3 binds round sealing ring 4, makes the lateral surface laminating of respectively with one sliding stroke pipe 3 of lateral surface of sealing ring 4 two ends buckle 41；
C. upper fastener 11 and lower fastener 12 in sealing ring 4 outer hoop, the medial surface hoop making clip 21 and makes sealing ring 4 be located between two steps 211 outside sealing ring 4, the back-up ring 221 on rear seat ring 22 outer face is made to block the outer face of sliding stroke pipe 3, make each connecting hole 231 on upper fastener 11 otic placode 23 align with a connecting hole 231 on lower fastener 12 otic placode 23 respectively, connect fastening with clamping screw subsequently；
D. by plastic conduit 10 conveyance fluid medium, when fluid media (medium) injects in sealing ring 4, sealing ring 4 is softened by the pressure of fluid media (medium), thus is more closely covered in outside sliding stroke pipe 3, and the sealing property of the biggest then sealing ring 4 of pressure that sealing ring 4 is applied by fluid media (medium) is the best；
When plastic conduit 10 makes length change because of expanded by heating or contract on cooling, the gap reserved between two sliding stroke pipe 3 end faces makes sliding stroke pipe 3 change along the axially free flexible length with absorption or compensation plastic conduit 10 of sealing ring 4 inwall；
When the end face within plastic conduit 10 inserts clip 21 retreats because of the flow media thrust suppressed or during contract on cooling, back-up ring 221 on rear seat ring 22 outer face catches on the outer face of sliding stroke pipe 3, and limit slippage stroke pipe 3 outwards shrinks and prevents sliding stroke pipe 3 from skidding off from internal the coming off of sealing ring 4.
Upper fastener 11 and the lower fastener 12 quantity on pipeline determine according to the straight length of pipeline: when having a connecting hole 231 on every piece of otic placode 23, one secondary upper fastener 11 and lower fastener 12 is set every 12m～24m, when elected every piece of otic placode 23 has at least two connecting hole 231, one secondary upper fastener 11 and lower fastener 12 is set every 100m～120m；
Gap a between the end face that two sliding stroke pipes 3 are oppositely arranged determines according to circumstance of temperature difference when flow media, pipeline use in pipeline and upper fastener 11, the lower fastener 12 density of setting on pipeline: when the temperature difference≤50 DEG C and when 12m～24m arranges a secondary upper fastener 11 and lower fastener 12 a take 20mm～40mm, when the temperature difference≤90 DEG C and when 12m～24m arranges a secondary upper fastener 11 and lower fastener 12 a take 40mm～60mm；When the temperature difference≤50 DEG C and when 100m～120m arranges a secondary upper fastener 11 and lower fastener 12 a take 60mm～80mm, when the temperature difference≤90 DEG C and when 100m～120m arranges a secondary upper fastener 11 and lower fastener 12 a take 100mm～120mm.
In the present embodiment, sealing ring 4, upper fastener 11 and lower fastener 12 use distinctive salable structure so that connector has good sealing, and strengthens accordingly with the sealing that increases of tube fluid pressure；Rear seat ring 22 plays the effect supporting sealing ring 4 from side, and the sliding stroke pipe 3 after fusion plays hook platform effect, stops the plastic conduit 10 after connecting to suppress at internal flow media or retreat in running under the effect of clip 21.
The operation principle of the present embodiment is: be installed with the gap of about 100mm between two sliding stroke pipes 3, upper fastener 11 and lower fastener 12 are anchored on the outer surface of plastic conduit 10, under the effect of sealing ring 4, formation one is airtight, it is coated at the eave tile card cranse of sliding stroke pipe 3, when plastic conduit 10 because of heat expand or contract on cooling along after after the surface of seat ring 22 and sealing ring 4 streaks, now the working environment of sealing ring 4 and state are constant and still play sealing function, elongation and shortening that the gap of about the 100mm set causes because of the temperature difference is stayed for absorbing or compensate plastic conduit 10 between two sliding stroke pipe box circles 3.
Claims (6)
1. an eave tile metal clip plastic pipe compensator, including upper fastener (11) and lower fastener (12), upper fastener (11) and lower fastener (12) congruence, the cross section of upper fastener (11) and lower fastener (12) is all arch, upper fastener (11) and lower fastener (12) split in the way of opening is relative, it is characterized in that: also include sliding stroke pipe (3) and sealing ring (4)
Upper fastener (11) and lower fastener (12) all include clip (21), rear seat ring (22) and otic placode (23),
The cross section of clip (21) and rear seat ring (22) is all arch, the internal diameter of clip (21) is more than the internal diameter of rear seat ring (22), two end faces of each clip (21) respectively connect one after seat ring (22), the outer face of rear seat ring (22) is provided with back-up ring (221), the junction of clip (21) medial wall and rear seat ring (22) medial wall forms step (211), two pieces of otic placodes (23) are separately fixed on the side of clip (21) and rear seat ring (22), at least one connecting hole (231) is had on every piece of otic placode (23)；
Sliding stroke pipe (3) is tubular, and two sliding stroke pipes (3) are respectively oppositely arranged with an end face, leaves gap between the end face that two sliding stroke pipes (3) are relative；Sealing ring (4) is tubular, the two ends of sealing ring (4) all form c-type or the buckle (41) of O type to in-flanges, sealing ring (4) binds round on the lateral surface of two sliding stroke pipes (3), the lateral surface laminating of respectively with one sliding stroke pipe (3) of the lateral surface of two ends buckle (41)；
The split and be set in sealing ring (4) outward and by sealing ring (4) banding in the way of opening is relative of upper fastener (11) and lower fastener (12), sealing ring (4) is embedded on the medial surface of clip (21) and is located between two steps (211), makes the back-up ring (221) on rear seat ring (22) outer face be located at the outside of sliding stroke pipe (3) outer face simultaneously；
Each connecting hole (231) on upper fastener (11) otic placode (23) connects fastening with clamping screw again with after connecting hole (231) alignment on lower fastener (12) otic placode (23) respectively.
2. eave tile metal clip plastic pipe compensator as claimed in claim 1, it is characterized in that: when connecting hole (231) quantity on otic placode (23) is 1, connecting hole (231) is located at the midpoint that otic placode (23) is axial；When connecting hole (231) quantity on otic placode (23) is more than 1, the axial two ends of otic placode (23) respectively set 1 connecting hole (231), and remaining connecting hole (231) is located on the Along ent of two ends connecting hole (231) line；
If: the gap between the end face that two sliding stroke pipes (3) are oppositely arranged is a, and the axial length of clip (21), sliding stroke pipe (3) and sealing ring (4) this three is respectively L1、L2And L3, then: a is 20mm～200mm, L1=L3=a+24mm, L2=a+12mm,
The wall thickness of sliding stroke pipe (3) is 4mm～25mm；The internal diameter of clip (21) is than big 20mm～40mm of internal diameter of rear seat ring (22)；The internal diameter of clip (21) is than big 1mm～2mm of external diameter of sliding stroke pipe (3)；The internal diameter at sealing ring (4) buckle (41) place is than big 2mm～4mm of external diameter of sliding stroke pipe (3), and the width at sealing ring (4) buckle (41) place is 10mm～20mm.
3. the using method of eave tile metal clip plastic pipe compensator as claimed in claim 1 or 2, is characterized in that: implement as follows:
The most respectively sliding stroke pipe (3) is set on the lateral surface of an end face of two plastic conduits (10) to be connected；
B. to be connected two piece plastic conduit (10) are made to be oppositely arranged with two end faces with sliding stroke pipe (3) end face and reserve gap, the lateral surface of two sliding stroke pipes (3) binds round upper sealing ring (4), makes the lateral surface laminating of respectively with one sliding stroke pipe (3) of lateral surface at sealing ring (4) two ends buckle (41)；
C. upper fastener (11) and lower fastener (12) in sealing ring (4) outer hoop, the back-up ring (221) on rear seat ring (22) outer face is made to block the outer face of sliding stroke pipe (3), make each connecting hole (231) on upper fastener (11) otic placode (23) align with a connecting hole (231) on lower fastener (12) otic placode (23) respectively, connect fastening with clamping screw subsequently；
D. by plastic conduit (10) conveyance fluid medium, when fluid media (medium) injects in sealing ring (4), sealing ring (4) is softened by the pressure of fluid media (medium), thus is more closely covered in sliding stroke pipe (3) outward；
When plastic conduit (10) makes length change because of expanded by heating or contract on cooling, the gap reserved between two sliding stroke pipe (3) end faces makes sliding stroke pipe (3) change along the axially free flexible length with absorption or compensation plastic conduit (10) of sealing ring (4) inwall；
Retreat because of the flow media thrust suppressed or during contract on cooling when plastic conduit (10) inserts the internal end face of clip (21), back-up ring (221) on rear seat ring (22) outer face catches on the outer face of sliding stroke pipe (3), and limit slippage stroke pipe (3) is outwards shunk and prevents sliding stroke pipe (3) from skidding off from internal the coming off of sealing ring (4).
4. the using method of eave tile metal clip plastic pipe compensator as claimed in claim 3, is characterized in that: during step a, adopts with the following method:
External diameter according to plastic conduit (10) selects the sliding stroke pipe (3) matched, upper one the sliding stroke pipe (3) of each set of every plastic conduit (10), make an end face and the end face of plastic conduit (10) of sliding stroke pipe (3), make sliding stroke pipe (3) by electrical heating hot melt subsequently and fused into one by sheathed plastic conduit (10).
5. the using method of eave tile metal clip plastic pipe compensator as claimed in claim 3, is characterized in that: during step a, adopts with the following method:
An end face flange jumping-up to plastic conduit (10), forms the sliding stroke pipe (3) being sheathed on plastic conduit (10) tubulose outward on the lateral surface of plastic conduit (10) end face.
6. the using method of the eave tile metal clip plastic pipe compensator as described in any one in claim 3 to 5, is characterized in that:
Upper fastener (11) and the lower fastener (12) quantity on pipeline determine according to the straight length of pipeline: when having connecting hole (231) on every piece of otic placode (23), one secondary upper fastener (11) and lower fastener (12) is set every 12m～24m, when elected every piece of otic placode (23) has at least two connecting hole (231), one secondary upper fastener (11) and lower fastener (12) is set every 100m～120m；
Gap a between the end face that two sliding stroke pipes (3) are oppositely arranged determines according to circumstance of temperature difference when flow media, pipeline use in pipeline and upper fastener (11), the lower fastener (12) density of setting on pipeline: when the temperature difference≤50 DEG C and when 12m～24m arranges a secondary upper fastener (11) and lower fastener (12) a take 20mm～40mm, when the temperature difference≤90 DEG C and when 12m～24m arranges pair upper fastener (11) and lower fastener (12) a take 40mm～60mm；When the temperature difference≤50 DEG C and when 100m～120m arranges a secondary upper fastener (11) and lower fastener (12) a take 60mm～80mm, when the temperature difference≤90 DEG C and when 100m～120m arranges pair upper fastener (11) and lower fastener (12) a take 100mm～120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510045978.4A CN105987247A (en) | 2015-01-30 | 2015-01-30 | Hooked metal clamp compensator for plastic pipelines and usage method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510045978.4A CN105987247A (en) | 2015-01-30 | 2015-01-30 | Hooked metal clamp compensator for plastic pipelines and usage method thereof |
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| Publication Number | Publication Date |
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| CN105987247A true CN105987247A (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510045978.4A Pending CN105987247A (en) | 2015-01-30 | 2015-01-30 | Hooked metal clamp compensator for plastic pipelines and usage method thereof |
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| Country | Link |
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| CN (1) | CN105987247A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108204480A (en) * | 2016-12-20 | 2018-06-26 | 核工业西南物理研究院 | A kind of machinery for pipe-line system runs through component |
| CN108799678A (en) * | 2018-05-28 | 2018-11-13 | 王惠俊 | high-temperature metal compensator screw fastening structure |
| CN113776362A (en) * | 2021-08-20 | 2021-12-10 | 杜麒麟 | High-temperature shell-and-tube heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108204480A (en) * | 2016-12-20 | 2018-06-26 | 核工业西南物理研究院 | A kind of machinery for pipe-line system runs through component |
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| CN108799678A (en) * | 2018-05-28 | 2018-11-13 | 王惠俊 | high-temperature metal compensator screw fastening structure |
| CN113776362A (en) * | 2021-08-20 | 2021-12-10 | 杜麒麟 | High-temperature shell-and-tube heat exchanger |
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