CN2405100Y - Joint for pipeline - Google Patents

Joint for pipeline Download PDF

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Publication number
CN2405100Y
CN2405100Y CN 99248637 CN99248637U CN2405100Y CN 2405100 Y CN2405100 Y CN 2405100Y CN 99248637 CN99248637 CN 99248637 CN 99248637 U CN99248637 U CN 99248637U CN 2405100 Y CN2405100 Y CN 2405100Y
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CN
China
Prior art keywords
cover
charge
person
pipe joint
wall
Prior art date
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Expired - Fee Related
Application number
CN 99248637
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Chinese (zh)
Inventor
李定昌
彭桂宝
李江漓
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HEXIN INDUSTRY Co Ltd GUILIN
Original Assignee
HEXIN INDUSTRY Co Ltd GUILIN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by HEXIN INDUSTRY Co Ltd GUILIN filed Critical HEXIN INDUSTRY Co Ltd GUILIN
Priority to CN 99248637 priority Critical patent/CN2405100Y/en
Application granted granted Critical
Publication of CN2405100Y publication Critical patent/CN2405100Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a pipe joint which comprises a main pipe sleeve, wherein a via hole is arranged in the main pipe sleeve along the axial direction; the diameter of the via hole is larger than the outer diameter of a pipe to be connected. The peripheral part of the main pipe sleeve forms a cone which is in gradual narrowing from the center to both ends along the axial direction; elastic annular thin ribs are respectively arranged on the inner walls of both of the two ends of the cone; the inner diameter of each elastic annular thin rib is smaller than the outer diameter of the pipe to be connected. A deformable space which can be compressed in the radial direction is arranged on the wall of the main pipe sleeve. The pipe joint also comprises two compressing clamping mechanisms respectively matched with both of the two ends of the main pipe sleeve. The pipe joint is not provided with threads, the size is small, and the cost is low. The pipe to be connected does not need tapping when in installation; thereby, the loading and unloading are convenient; the utility model has the advantages of strong locking force and good tightness.

Description

Pipe joint
The utility model relates to a kind of pipe joint, particularly a kind of pipe joint that can load and unload fast.
At present, screwed pipe joint is all adopted in most pipelines connections, when installing and using, is waiting to take over tapping earlier, then will wait to take over pipe joint to screw mutually.Use this pipe joint connecting tube that some open defects are arranged: at first, therefore the poor sealing performance of joint often needs to increase attachment, as sealing gasket, seal ring etc., to strengthen sealability; Secondly, installation procedure is loaded down with trivial details, the pipeline somewhere is being keeped in repair or during the adjunction arm, must begin dismounting from terminal; And this pipe joint generally only is applicable to the full-metallic pipeline, and for plastic pipe and lining plastic composited pipe road, after the tapping, the join strength of pipeline greatly reduced.In recent years, a kind of new tube joint appears on the market, during use, need not pipeline is carried out tapping, utilize the worm structure of pipe joint itself, adopt the screw thread precession to make elastic component axially produce deformation earlier, the lateral extrusion effect then just takes place, thereby elastic component wherein exerted pressure makes it to produce deformation, to realize locking and the sealing to pipeline.It is comparatively convenient that this pipe joint is installed, but still following deficiency is arranged: at first, the elastic component great majority that they use are rubber parts, its ageing-resistant performance is relatively poor, when its during simultaneously as locking member, can be because of being subjected to long excessive compression accelerated ageing stress relief, locking property also degenerates thereupon; On the other hand, when adopting this pipe joint connecting tube, pipe joint does not produce and moves axially when screwing nut in installation process, all be provided with one mostly and snap in two Skidproof structures of waiting to take over the centre, like this, when maintenance or adjunction arm, must begin dismounting from terminal too, operating process is loaded down with trivial details; And, the aforementioned tube joint is owing to be threaded structure, in order to guarantee certain join strength, when especially using plastic materials, boundary dimension is all bigger, like this, on the one hand, it is attractive in appearance that excessive boundary dimension can influence the wiring of whole tubing, on the other hand, consume material is many, has correspondingly increased fabricating cost.
The purpose of this utility model is to overcome above-mentioned defective, and a kind of pipe joint is provided, not threaded structure itself, and volume is little, and member is few, and it is low to manufacture cost; When installing and using, need not to carry out tapping with waiting to take over; It is convenient to load and unload, and coupling mechanism force is big, good airproof performance.
To achieve these goals, the utility model provides a kind of pipe joint, comprise that one is responsible for cover, this person in charge's cover inside is provided with through hole vertically, this through-hole diameter is greater than external diameter to be taken over, this person in charge cover peripheral part is vertically by the cone of centre to the two ends convergent, is respectively equipped with the thin rib of rubber-like annular on the madial wall of two terminal circle cone, and the internal orifice dimension of the thin rib of this annular is less than external diameter to be taken over; Be responsible for jacket wall and be provided with radially compressible deformation space; Pipe joint also comprises two compression fastening devices that match with the two ends of being responsible for cover respectively.
The utility model also can further comprise following technical characteristics: the compression fastening device can be two respectively with the two ends of the being responsible for cover rigidity tapered sleeve of fit mutually, be responsible for cover and tapered sleeve and be provided with the assembling clamping device.The assembling clamping device can be: be responsible for cover outer wall middle part and be provided with fitting flange, the outer wall of tapered sleeve is provided with annular fitting flange.
The tapered sleeve inwall is and the conical cavity of being responsible for the identical tapering of cover outer wall, and the bore at the minimum place of this conical cavity is greater than external diameter to be taken over, and the bore of biggest place is slightly less than the external diameter of being responsible for cover outer wall biggest place.
Set radially compressible deformation space can be on person in charge's jacket wall: the outer wall upper edge of being responsible for cover two terminal circle cone is axially arranged with the V-arrangement reducing groove that does not run through inwall, be responsible for the cover two ends and offer telescopic chute vertically, its length is for beginning to approach to annular the outside of rib from person in charge's cover end face, this telescopic chute radially slits logical and will be responsible for the two ends of overlapping and is divided into compressible several split body.
The outside corresponding position that approaches person in charge's cover of the residing cross section of rib in annular can offer annular afterburning flange; On the outer side wall of being responsible for cover two terminal circle cone, can be provided with annular afterburning flange respectively in the end.
The two ends of through hole madial wall and middle part can be provided with support ring, and the aperture of this support ring is slightly larger than external diameter to be taken over less than through-hole aperture.
The fitting flange outside of being responsible for the cover outer wall can be provided with the ring shield of a rigidity, and these guard shield two ends are tapered, is close to person in charge's cover outer wall.
The thin rib of annular set respectively on the two ends madial wall of convergent is respectively two at least; Be responsible for the cover outside and be small in ends, symmetrical cone broad in the middle.
Be responsible for the person in charge cover of cover for making by elastic material.
Working principle of the present utility model and effect are as follows: during installation, earlier one is waited to take over and insert and break-through person in charge cover, another being waited to take over alignment places again, then, be responsible for cover move wait to take over to two between, like this owing to be respectively equipped with the thin rib of rubber-like annular on the madial wall of two terminal circle cone, and its internal diameter then should form the lip seal ring of inwardly toppling over by the thin rib of annular naturally less than external diameter to be taken over; Be provided with radially compressible deformation space owing to be responsible for the cover outer wall, being responsible for the telescopic chute of offering vertically at the cover two ends makes the cone two ends form several split bodies, two tapered sleeves respectively with the two ends of being responsible for cover fit mutually, be responsible for cover and tapered sleeve and be provided with the assembling clamping device, like this, utilize the assembling clamping device with tapered sleeve press in be responsible for the cover two ends split body on, that is: the use clamping device blocks the fitting flange on the tapered sleeve, the application of force is inwardly got into vertically simultaneously, the thrust major part of being executed is delivered to effectively by afterburning flange on the port of being responsible for cover, realizes treating the locking of adapter; Also be delivered on the thin rib of annular, increase the be close to power of lip seal ring, thereby further strengthen sealability pipeline outer wall.When need are dismantled pipeline, clamping device is snapped between tapered sleeve fitting flange and the person in charge's cover assembling flange, the outside vertically application of force, tapered sleeve can overlap with the person in charge like a cork and separate, and moves to be responsible for to overlap and just can take out pipe.
The not threaded structure of pipe joint of the present utility model itself, therefore, volume is little, and member is few, and it is low to manufacture cost; And when installing and using, need not to carry out tapping with waiting to take over; Tapered sleeve pushes from being responsible for the cover two ends, is responsible for the afterburning flange that puts by being opened in, and end thrust is concentrated at specific position be converted into lateral extrusion power, makes thin rib of annular and split body resiliently deformable, is close to wait to take over outer wall and realize locking and sealing.In addition, offer the thin rib of annular in the cover, can form the splendid lip seal ring of sealability naturally after waiting to take over insertion owing to be responsible for; Because the support of support ring is arranged, the lip seal ring is unlikely to lose lip envelope effect at the Shi Bianbian that is squeezed again.Simultaneously, be responsible for to put set V-arrangement reducing groove and, significantly reduced paying of unnecessary power when making tapered sleeve compress the cone at two ends at the telescopic chute that port part is offered; The person in charge puts the afterburning flange of offering, and axial force when pushing tapered sleeve is concentrated be converted into lateral extrusion power, affacts active component, just can reach good locking and sealing effect under little thrust, and therefore, coupling mechanism force is big, good airproof performance.Be responsible for set assembling clamping device on cover and the tapered sleeve, adopt light instrument just can relaxedly and rapidly load and unload pipeline.
Below in conjunction with drawings and Examples the utility model is elaborated:
Fig. 1 is an a kind of embodiment's of the present utility model structural representation;
Fig. 2 is a middle structural representation of being responsible for cover embodiment illustrated in fig. 1;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is the structural representation of middle tapered sleeve embodiment illustrated in fig. 1.
Referring to Fig. 1, Fig. 2 and Fig. 4, a kind of pipe joint, comprise that one is responsible for cover 1, this person in charge's cover 1 inside is provided with through hole 20 vertically, these through hole 20 diameters are greater than waiting to take over 21 external diameters, this person in charge cover 1 peripheral part is vertically by the cone of centre to the two ends convergent, is respectively equipped with the thin rib 4 of rubber-like annular on the madial wall of two terminal circle cone, and the internal orifice dimension of the thin rib 4 of this annular is less than waiting to take over 21 external diameter; Be responsible for cover 1 wall and be provided with radially compressible deformation space; Pipe joint also comprises two compression fastening devices that match with the two ends of being responsible for cover 1 respectively.
As shown in Figure 1 and Figure 4, in the present embodiment, the compression fastening device be two respectively with the two ends of the being responsible for cover 1 rigidity tapered sleeve 30 of fit mutually, be responsible for cover 1 and tapered sleeve 30 and be provided with the assembling clamping device.
The assembling clamping device is: be responsible for cover 1 outer wall middle part and be provided with fitting flange 9, the outer wall of tapered sleeve 30 is provided with annular fitting flange 12.
As shown in Figure 4, tapered sleeve 30 inwalls are and the conical cavity 23 of being responsible for the identical tapering of cover 1 outer wall, and the bore at the minimum place of this conical cavity 23 is greater than waiting to take over 21 external diameters, and the bore of biggest place is slightly less than the external diameter of being responsible for cover 1 outer wall biggest place.Like this, when being inserted in tapered sleeve 30, the cone of being responsible for cover 1 two ends is inwardly compressed.
Set radially compressible deformation space is on person in charge's cover 1 wall: the outer wall upper edge of being responsible for cover 1 two terminal circle cone is axially arranged with the V-arrangement reducing groove 7 that does not run through inwall, be responsible for cover 1 two ends and offer telescopic chute 6 vertically, its length is for beginning to the outside of the thin rib 4 of annular from being responsible for cover 1 end face, and this telescopic chute 6 radially slits logical and will be responsible for and overlaps 1 two ends and be divided into compressible several split body 11.
Overlap 1 outside corresponding position the person in charge of the thin rib 4 residing cross sections of annular and offer annular afterburning flange 5; On the outer side wall of being responsible for cover 1 two terminal circle cone, be provided with annular afterburning flange 51 respectively in the end.
In the present embodiment, the two ends and the middle part of through hole 20 madial walls are provided with support ring 10, and the aperture of this support ring 10 is slightly larger than less than through hole 20 apertures and waits to take over 21 external diameters.What can make insertion like this waits to take over 21 unlikely undue inclinations.
Fitting flange 9 outsides of being responsible for cover 1 outer wall are provided with the ring shield 8 of a rigidity, and these guard shield 8 two ends are tapered, are close to person in charge's cover 1 outer wall.Like this, can increase the intensity of the fitting flange 9 of being responsible for cover 1, reduce its wearing and tearing, improve working life.
The thin rib 4 of annular set respectively on the two ends madial wall of convergent is respectively two at least; Be responsible for cover 1 outside and be small in ends, symmetrical cone broad in the middle.
Be responsible for the person in charge cover of cover 1 for making by elastic material.
During installation, waiting to take over 21 with one earlier inserts and break-through person in charge cover 1, again another being waited to take over 21 alignment places, then, be responsible for cover 1 move wait to take over to two between, like this owing to be respectively equipped with the thin rib 4 of rubber-like annular on the madial wall of two terminal circle cone, and its internal diameter then should form the lip seal ring of inwardly toppling over by the thin rib 4 of annular naturally less than waiting to take over 21 external diameter; Be provided with radially compressible deformation space owing to be responsible for cover 1 wall, being responsible for the telescopic chute of offering vertically at cover 1 two ends 6 makes the cone two ends form several split bodies 11, two tapered sleeves 30 respectively with the two ends of being responsible for cover 1 fit mutually, be responsible for cover 1 and tapered sleeve 30 and be provided with the assembling clamping device, like this, utilize the assembling clamping device with tapered sleeve 30 press in be responsible for cover 1 two ends split body 11 on, that is: the use clamping device blocks the fitting flange 12 on the tapered sleeve 30, the application of force is inwardly got into vertically simultaneously, the thrust major part of being executed is delivered to effectively by afterburning flange 5 and 51 on the port split body 11 of being responsible for cover 1, realizes treating the locking of adapter 21; Also be delivered on the thin rib 4 of annular, increase the be close to power of lip seal ring, thereby further strengthen sealability pipeline outer wall.When need dismounting pipeline, clamping device is snapped between the fitting flange 9 of tapered sleeve 30 fitting flanges 12 and person in charge's cover 1, the outside vertically application of force, tapered sleeve 30 can separate with person in charge's cover 1 like a cork, move to be responsible for cover 1 and just can to take out and waits to take over 21, adopt rigidity guard shield 8 can increase the intensity of the fitting flange 9 of being responsible for cover 1.
The not threaded structure of pipe joint of the present utility model itself, therefore, volume is little, and member is few, and it is low to manufacture cost; When installing and using, need not and to wait that taking over 21 carries out tapping; Tapered sleeve 30 pushes from being responsible for cover 1 two ends, by being opened in the afterburning flange of being responsible on the cover 15 and 51, end thrust concentrated at specific position be converted into lateral extrusion power, make thin rib 4 of annular and split body 11 resiliently deformables, be close to and wait to take over 21 outer walls and realize locking and sealing.In addition, offer the thin rib 4 of annular in the cover 1, wait to take over 21 and can form the splendid lip seal ring of sealability naturally after inserting owing to be responsible for; Because the support of support ring 10 is arranged, the lip seal ring is unlikely to lose lip envelope effect at the Shi Bianbian that is squeezed again.Simultaneously, be responsible for V-arrangement reducing groove 7 set on the cover 1 and, significantly reduced paying of unnecessary power when making tapered sleeve 30 compress the cone at two ends at the telescopic chute 6 that port part is offered; Be responsible for the afterburning flange of offering on the cover 15 and 51, axial force when pushing tapered sleeve 30 concentrated be converted into lateral extrusion power, affact active component, just can reach good locking and sealing effect under little thrust, therefore, coupling mechanism force is big, good airproof performance.Be responsible for set assembling clamping device on cover and the tapered sleeve, make the pipeline loading and unloading easily quick.
In addition, set annular fitting flange 12 external diameters of the outer wall of tapered sleeve can be suitable with the external diameter of being responsible for cover 1 fitting flange 9.Through hole 20 can adopt straight manhole commonly used.
Pipe joint of the present utility model is to adopt the rigidity tapered sleeve directly from radially elastic component being exerted pressure, rather than adopts the screw thread precession to make elastic component axially produce deformation earlier, and the lateral extrusion effect then just takes place.Simultaneously, the elastic component that is pushed can be that non-rubber material is made part, applicable to industries such as civilian, chemical industry, medicine.
In sum, the not threaded structure of pipe joint of the present utility model itself, volume is little, and member is few, and it is low to manufacture cost; When installing and using, need not to carry out tapping with waiting to take over; It is convenient to load and unload, and coupling mechanism force is big, good airproof performance.

Claims (10)

1, a kind of pipe joint, comprise that one is responsible for cover (1), this person in charge's cover (1) inside is provided with through hole (20) vertically, this through hole (20) diameter is greater than waiting to take over (21) external diameter, it is characterized in that: this person in charge's cover (1) peripheral part is vertically by the cone of centre to the two ends convergent, be respectively equipped with the thin rib (4) of rubber-like annular on the madial wall of described two terminal circle cone, this annular approaches the internal orifice dimension of rib (4) less than the external diameter of waiting to take over (21); Described person in charge's cover (1) wall is provided with radially compressible deformation space; Described pipe joint also comprises two compression fastening devices that match with the two ends of described person in charge's cover (1) respectively.
2, pipe joint according to claim 1 is characterized in that: described compression fastening device be two respectively with the two ends of described person in charge cover (1) the rigidity tapered sleeve (30) of fit mutually, described person in charge's cover (1) and tapered sleeve (30) are provided with the assembling clamping device.
3, pipe joint according to claim 2 is characterized in that: described assembling clamping device is: described person in charge's cover (1) outer wall middle part is provided with fitting flange (9), and the outer wall of described tapered sleeve (30) is provided with annular fitting flange (12).
4, pipe joint according to claim 2, it is characterized in that: described tapered sleeve (30) inwall is the conical cavity (23) with the identical tapering of described person in charge's cover (1) outer wall, the bore at the minimum place of this conical cavity (23) is greater than waiting to take over (21) external diameter, and the bore of biggest place is slightly less than the external diameter of described person in charge's cover (1) outer wall biggest place.
5, pipe joint according to claim 1, it is characterized in that: set radially compressible deformation space is on described person in charge's cover (1) wall: the outer wall upper edge of described person in charge's cover (1) two terminal circle cone is axially arranged with the V-arrangement reducing groove (7) that does not run through inwall, described person in charge's cover (1) two ends offer telescopic chute (6) vertically, its length is for beginning to the outside of the thin rib (4) of annular from being responsible for cover (1) end face, and this telescopic chute (6) two ends logical and that will be responsible for cover (1) of radially slitting are divided into compressible several split body (11).
6, pipe joint according to claim 1 is characterized in that: the outside corresponding position that approaches person in charge's cover (1) of the residing cross section of rib (4) in described annular offers annular afterburning flange (5); On the outer side wall of described person in charge's cover (1) two terminal circle cone, be provided with annular afterburning flange (51) respectively in the end.
7, pipe joint according to claim 1 is characterized in that: the two ends and the middle part of described through hole (20) madial wall are provided with support ring (10), and the aperture of this support ring (10) is slightly larger than less than described through hole (20) aperture waits to take over (21) external diameter.
8, pipe joint according to claim 1 is characterized in that: fitting flange (9) outside of described person in charge's cover (1) outer wall is provided with the ring shield (8) of a rigidity, and this guard shield (8) two ends are tapered, is close to described person in charge's cover (1) outer wall.
9, pipe joint according to claim 1 is characterized in that: the thin rib (4) of annular set respectively on the two ends madial wall of described convergent is respectively two at least; Described person in charge's cover (1) outside is small in ends, symmetrical cone broad in the middle.
10, according to any one described pipe joint in the claim 1 to 9, it is characterized in that: the person in charge cover of described person in charge's cover (1) for making by elastic material.
CN 99248637 1999-09-27 1999-09-27 Joint for pipeline Expired - Fee Related CN2405100Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99248637 CN2405100Y (en) 1999-09-27 1999-09-27 Joint for pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99248637 CN2405100Y (en) 1999-09-27 1999-09-27 Joint for pipeline

Publications (1)

Publication Number Publication Date
CN2405100Y true CN2405100Y (en) 2000-11-08

Family

ID=34033772

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99248637 Expired - Fee Related CN2405100Y (en) 1999-09-27 1999-09-27 Joint for pipeline

Country Status (1)

Country Link
CN (1) CN2405100Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106352188A (en) * 2016-11-25 2017-01-25 台州伊瑞模具有限公司 Pipe fitting with bell-and-spigot joint structure
CN110238497A (en) * 2019-06-26 2019-09-17 张伯勤 A kind of plasma cutting gun with self-locking device
CN112013191A (en) * 2020-09-15 2020-12-01 广东统塑管业有限公司 Pipe connector with good sealing performance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106352188A (en) * 2016-11-25 2017-01-25 台州伊瑞模具有限公司 Pipe fitting with bell-and-spigot joint structure
CN110238497A (en) * 2019-06-26 2019-09-17 张伯勤 A kind of plasma cutting gun with self-locking device
CN112013191A (en) * 2020-09-15 2020-12-01 广东统塑管业有限公司 Pipe connector with good sealing performance

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee