CN107013768A - Piping shaft - Google Patents

Piping shaft Download PDF

Info

Publication number
CN107013768A
CN107013768A CN201710375034.2A CN201710375034A CN107013768A CN 107013768 A CN107013768 A CN 107013768A CN 201710375034 A CN201710375034 A CN 201710375034A CN 107013768 A CN107013768 A CN 107013768A
Authority
CN
China
Prior art keywords
piping shaft
tubing
outlet
stop part
ring
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201710375034.2A
Other languages
Chinese (zh)
Inventor
吴吕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Toptp Tianpin Science & Technology Co Ltd
Original Assignee
Beijing Toptp Tianpin Science & Technology Co Ltd
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.)
Filing date
Publication date
Application filed by Beijing Toptp Tianpin Science & Technology Co Ltd filed Critical Beijing Toptp Tianpin Science & Technology Co Ltd
Priority to CN201710375034.2A priority Critical patent/CN107013768A/en
Publication of CN107013768A publication Critical patent/CN107013768A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/04Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00Vertical ducts; Channels, e.g. for drainage
    • E04F17/08Vertical ducts; Channels, e.g. for drainage for receiving utility lines, e.g. cables, pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/08Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/02Branch units, e.g. made in one piece, welded, riveted
    • F16L41/021T- or cross-pieces

Abstract

The invention discloses a kind of piping shaft, its drip irrigation device is to include body, and the body is provided with inlet and outlet, and the outlet, which is provided with screw thread, the body, is provided with stop part, and the stop part is provided with sealing ring close to the side of outlet.The present invention solves the problems, such as that existing piping shaft is connected caused loosening with tubing using socket joint.

Description

Piping shaft
Technical field
The present invention relates to pipeline field, in particular, it is related to a kind of piping shaft.
Background technology
Piping shaft is widely used in municipal works, room Jian Deng fields, is mainly used in draining, blowdown, oil extraction or advancing equipment Pipeline etc..
The piping shaft that plastics are made is because have the advantages that construct convenient, lightweight, environment-friendly and green, extensive use. In existing subterranean pipe line system, piping shaft typically is connected to form pipe network with tubing, so as to be carried for the draining in city, blowdown For passage.
Bayonet joint being used the connected mode of existing piping shaft and tubing more, during long-term use, pipeline Well easily loosens with tubing junction, and reason is often have the vibrations that vehicle was opened or other operations are produced to cause on ground Piping shaft is even disengaged with easily being loosened at tubing socket joint, even the loosening of very little, can bring about pipe leakage oil leak Problem, leak oil leak will be produced to underground foundation washes away, so that the base flexible near piping shaft even forms pit-hole, In the course of time, piping shaft depression is may result in, so as to depart from tubing, pavement depression is ultimately resulted in.
So, the urban safety hidden danger that reduction underground piping leakage is brought, effectively control leak what is triggered because of underground piping The generation of security incident turn into one it is in the urgent need to address the problem of.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of piping shaft, it is by changing pipeline The structure of well is so as to increase the fastness that piping shaft is connected with tubing.
To achieve the above object, the invention provides following technical scheme:A kind of piping shaft, including body, the body Inlet and outlet is provided with, the outlet, which is provided with screw thread, the body, is provided with stop part, the stop part is close to going out The side of mouth is provided with sealing ring.
By using above-mentioned technical proposal, when with the piping shaft to connect tubing, the outlet of piping shaft can be with tubing It is threadedly coupled, threaded connection has self-locking performance and sealing, on the one hand improves the fastness that piping shaft is connected with tubing, On the other hand, the sealing that piping shaft is connected with tubing is improved;Also, in pipe end insertion and the outlet of precession piping shaft It can support and be located on sealing ring afterwards, and the portion of being blocked prevents precession, so as to further increase what piping shaft was connected with tubing Sealing.By improving fastness and sealing that piping shaft is connected with tubing so that on the one hand piping shaft is not easy to loosen, from And the problem of reduce pipe leakage oil leak, on the other hand its sealing is improved, the problem of decreasing leak oil leak.Finally make , the leak Leakage of pipeline is reduced, and reduces and underground foundation generation is washed away, so as to reduce the base near piping shaft Plinth loosens the generation for even forming pit-hole, and reduction piping shaft depression departs from tubing and causes the generation of pavement depression.
Preferably, the outlet of the body is fixedly installed the collar, the screw thread and stop part are arranged at collar inwall.
By using above-mentioned technical proposal, on the one hand existing old piping shaft can be transformed, so only needing to life A collar is produced, and is fixed in the outlet of existing old piping shaft;On the other hand, in new product production, still It can be produced according to the mode of production of old piping shaft, then the collar is fixed in its outlet, without developing new pipeline Well mould, is the expense that enterprise saves exploitation new die.
Preferably, being provided with stiffening ring pad between the stop part and the sealing ring.
By using above-mentioned technical proposal and the scheme comparison for being not provided with stiffening ring pad:When not placing stiffening ring pad, work as pipe Material is screwed in the outlet of piping shaft when head, and the end of tubing is supported to sealing ring, when tubing continues precession, There is larger friction between sealing ring and the end face of stop part so that tubing be obstructed during precession it is larger, and up to not To good precession effect so that the threaded connection of tubing and piping shaft is not in place;Set between stop part and sealing ring firm Property ring pad after, when tubing is screwed in the outlet of piping shaft near head, the end of tubing is supported to an end of sealing ring On face, the other end of sealing ring is fitted on the end face of stop part, tubing continue precession when, tubing, sealing ring with Because rubbing action forms one between stiffening ring pad so that tubing sealing ring and stiffening ring pad during precession follow one Rise and rotate, due to being hard contact between stiffening ring pad and stop part, so both Relative frictions are small, advantageously in rigidity The rotation of ring pad, so that tubing reaches good precession effect so that the threaded connection of tubing and piping shaft is more in place.
Preferably, the stiffening ring pad be provided with close to the side of the stop part it is some raised or sunken.
By using above-mentioned technical proposal, surface area of the stiffening ring pad close to a side surface of the stop part is reduced, So as to reduce the contact area of stiffening ring pad and stop part, then the relative friction forces of stiffening ring pad and stop part are reduced, more Added with the rotation beneficial to stiffening ring pad, so that tubing reaches good precession effect so that the screw thread of tubing and piping shaft connects Connect more in place.
Preferably, the stop part is included by the inwardly projecting baffle ring formed of inboard wall of tube body.
By using above-mentioned technical proposal, in the manufacturing process of piping shaft, baffle ring can be made disposably to be squeezed with body Type is moulded into, is easy to processing, processing cost is reduced.Also, it is formed in one due to baffle ring and body, so, the structure of baffle ring Intensity is high.
Preferably, the interior side outlet side of the baffle ring protrudes to form flange.
By using above-mentioned technical proposal, flange can limit sealing ring, it is to avoid tubing is when inside precession Crush seal circle makes sealing ring occur excessive deformation.In addition, flange can play restriction effect to the port of tubing, pipe is prevented The port of material is deformed inward.Furthermore, flange can increase the contact area of piping shaft and tubing so that piping shaft and tubing it is close Envelope property is more preferable.
Preferably, the U-shaped profile and opening of the sealing ring are set towards outlet.
By using above-mentioned technical proposal, on the one hand, directly increase the contact surface between sealing ring and tubing and piping shaft Product, so as to improve both sealings;On the other hand, the inwall of body, stop part and flange three are common acts on sealing ring, When the end of tubing is supported in the opening of sealing ring, end that each position of sealing ring can preferably with tubing, pipe Inwall, stop part and the flange laminating of body, so that better tightness.
Preferably, the sealing ring is provided with the V-shaped slot in annular, cross section towards outlet one side.
By using above-mentioned technical proposal, the tubing with conehead is easily facilitated in the slot of insertion sealing ring, not only real The Fast Installation of tubing is showed, has also improved the contact area of tubing and sealing ring to reach better seal effect.
Preferably, the stop part includes some blocks for being distributed in inboard wall of tube body along week.
By using above-mentioned technical proposal, material is on the one hand saved, on the other hand, the contact surface with stiffening ring pad is reduced Product, easily facilitates stiffening ring pad and is rotated relative to stop part.
Preferably, the stiffening ring pad is the stiffening ring pad misplaced with opening and two ends.
By using above-mentioned technical proposal, after position is threadedly fastened to, the flexible pretightning force of rigid annular shaped, to pipeline The effect of holding out against is played in the threaded connection of well and tubing, so that the threaded connection of piping shaft and tubing is more difficult to loosen, is increased The fastness of both connections is added.
In summary, the present invention has the advantages that compared to prior art:The present invention had both improved tubing and pipe The fastness of road well connection, improves the sealing of both connections again;Pass through the raising of these two aspects so that the leak leakage of pipeline Oily problem is reduced, and reduces and underground foundation generation is washed away, so as to reduce the base flexible near piping shaft or even form hole The generation in hole, reduction piping shaft depression departs from tubing and causes the generation of pavement depression;In addition, this kind of piping shaft is highly convenient for The transformation of old piping shaft and the production of new product, are that enterprise saves substantial amounts of die sinking cost.
Brief description of the drawings
Fig. 1 is the sectional view that embodiment one is connected with tubing;
Fig. 2 is the front view of stiffening ring pad in embodiment one;
Fig. 3 is the sectional view that embodiment two is connected with tubing;
Fig. 4 is the sectional view that embodiment three is connected with tubing;
Fig. 5 is the sectional view that example IV is connected with tubing;
Fig. 6 is the sectional view that embodiment five is connected with tubing;
Fig. 7 is the sectional view that embodiment six is connected with tubing;
Fig. 8 is the sectional view that embodiment seven is connected with tubing;
Fig. 9 is the sectional view that embodiment eight is connected with tubing;
Figure 10 is sectional view of the middle tube body of embodiment nine at block;
Figure 11 is the front view of stiffening ring pad in embodiment ten;
Figure 12 is the sectional view that embodiment 11 is connected with tubing;
Figure 13 is the sectional view that embodiment 12 is connected with tubing;
Figure 14 is the sectional view that embodiment 13 is connected with tubing.
In figure:1st, body;11st, import;12nd, export;13rd, baffle ring;131st, flange;14th, screw thread;15th, block;16th, enlarging Section;2nd, tubing;3rd, stiffening ring pad;31st, point-like is raised;4th, sealing ring;41st, slot;5th, the collar.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment one:A kind of piping shaft, referring to Fig. 1, including body 1, body 1 includes import 11 and outlet 12, during installation, Generally import 11 is vertical upward, and outlet 12 is horizontally toward.The inwall of outlet 12 is provided with internal thread 14, in the inner side of screw thread 14 It is provided with the baffle ring 13 of ring-type on the inwall of body 1, baffle ring 13 inwardly projecting is integrally formed by the inwall of body 1.In baffle ring 13 Outside is provided with stiffening ring pad 3, the stiffening ring pad 3 can by the hard metals such as iron, copper, stainless steel or ABS, POM, PS, PMMA, The rigid plastics such as PC, PET, PBT, PPO are made.Sealing ring 4, the horizontal stroke of sealing ring 4 are placed with the outside laminating of the stiffening ring pad 3 Section is U-shaped.
The end of tubing 2 is provided with the external screw thread 14 with the cooperation of internal thread 14 of piping shaft, so that piping shaft and pipe The screw thread 14 of material 2 is connected, and can be against in the opening of sealing ring 4 afterwards in the end insertion outlet 12 of tubing 2.
Referring to Fig. 2, some point-like projections 31 are provided with the one side of stiffening ring pad 3, naturally it is also possible to be that strip is convex Rise, plum blossom-shaped is raised, triangular hill or other irregular projections etc..Or or in the side of stiffening ring pad 3 Some depressions are set on face, can be that pitting, triangular shaped recess, strip depression or other irregular depressions etc. are equal Can.Main purpose is the contact area for reducing stiffening ring pad 3 and baffle ring 13, thus advantageously in stiffening ring pad 3 relative to The end face of baffle ring 13 is rotated
Embodiment two:A kind of piping shaft, referring to Fig. 3, the present embodiment and the difference of embodiment one are:The inner side of baffle ring 13 is outside Side protrudes to form flange 131, and stiffening ring pad 3 and sealing ring 4 are placed on the inwall of body 1, baffle ring 13 and flange 131 and surrounded Space in.
Embodiment three:A kind of piping shaft, referring to Fig. 4, the present embodiment and the difference of embodiment one are:At cancelling 12 Internal thread 14, export 12 outer walls set external screw thread 14, and by baffle ring 13 be arranged on the outer wall of body 1 be located at external screw thread 14 Inner side.
Now, the end of tubing 2 is provided with internal thread 14, and tubing 2 is coordinated with piping shaft makes both screw thread 14 be connected.
Example IV:A kind of piping shaft, referring to Fig. 5, the present embodiment and the difference of embodiment three are:The inner side of baffle ring 13 Protrusion forms flange 131 laterally, and stiffening ring pad 3 and sealing ring 4 are placed on the inwall of body 1, baffle ring 13 and the institute of flange 131 In the space surrounded.
Embodiment five:A kind of piping shaft, referring to Fig. 6, the present embodiment and the difference of embodiment one are:Exporting 12 inner sleeves Provided with the collar 5, the collar 5 is made up of rigid -plastic pipe, is fixed on by electromagnetism hot-melt technology in the outlet 12 of body 1.Baffle ring 13, Stiffening ring pad 3 and sealing ring 4 are arranged in the collar 5.Also, baffle ring 13 be located at the end of the collar 5 inner side, such a setting, Baffle ring 13 can be played a protective role, reduce the damage suffered in production, transport of the collar 5.
Embodiment six:A kind of piping shaft, referring to Fig. 7, the present embodiment and the difference of embodiment five are:Baffle ring 13 is located at set The end of ring 5, such a setting can be easy to the machine-shaping of baffle ring 13, so as to reduce production cost.
Embodiment seven:A kind of piping shaft, referring to Fig. 8, the present embodiment and the difference of embodiment five are:The inner side of baffle ring 13 Protrusion forms flange 131 laterally, and stiffening ring pad 3 and sealing ring 4 are placed on the inwall of body 1, baffle ring 13 and the institute of flange 131 In the space surrounded.
Embodiment eight:A kind of piping shaft, referring to Fig. 9, the present embodiment and the difference of embodiment six are:The inner side of baffle ring 13 Protrusion forms flange 131 laterally, and stiffening ring pad 3 and sealing ring 4 are placed on the inwall of body 1, baffle ring 13 and the institute of flange 131 In the space surrounded.
Embodiment nine:A kind of piping shaft, referring to Figure 10, the present embodiment and the difference of embodiment one are:By embodiment one In the baffle ring 13 of ring-type replace with the block 15 that some circumference array are distributed in the inwall of body 1, the stiffening ring pad 3 now used Can be then that surface is smooth.
It is, of course, also possible to using the block 15 of some circumference array go alternative embodiment two, embodiment three, example IV, Annular baffle ring 13 in embodiment five, embodiment six, embodiment seven and embodiment eight.
Embodiment ten:A kind of piping shaft, referring to Figure 11, the present embodiment and the difference of embodiment one are:With with opening And the stiffening ring pad 3 of two ends dislocation goes to substitute the stiffening ring pad 3 of original closed.The stiffening ring pad 3 can use spring steel Or there is the metal material of certain elasticity to be made for other, so, after screw thread 14 is tightened in place, rigid annular shaped is flexible Pretightning force, is connected with the screw thread 14 of tubing 2 to piping shaft and plays the effect of holding out against, so that the screw thread 14 of piping shaft and tubing 2 Connection is more difficult to loosen, and adds the fastness of both connections.
It is, of course, also possible to using the stiffening ring pad 3 go alternative embodiment two, embodiment three, example IV, embodiment five, Stiffening ring pad 3 in embodiment six, embodiment seven, embodiment eight and embodiment nine.
Embodiment 11:A kind of piping shaft, referring to Figure 12, the present embodiment and the difference of embodiment one are:Sealing ring 4 Structure is different.In the present embodiment, the one side of sealing ring 4 offers the V-shaped slot 41 in annular, cross section, now using end Band tapered tubing 2 in portion's is used cooperatively with it.
Embodiment 12:A kind of piping shaft, referring to Figure 13, the present embodiment and the difference of embodiment one are:In outlet 12 Place is provided with outside baffle ring 13, stiffening ring pad 3 and sealing ring 4, and baffle ring 13, stiffening ring pad 3 and close are also equipped with import 11 Seal 4.
Certainly, in addition to it baffle ring 13, stiffening ring pad 3 and sealing ring 4 can be set in the import 11 of embodiment one, also Can be to embodiment two, embodiment three, example IV, embodiment five, embodiment six, embodiment seven, embodiment eight, embodiment The 9th, baffle ring 13, stiffening ring pad 3 and sealing ring 4 are set in the import 11 of embodiment ten and embodiment 11.
Embodiment 13:A kind of piping shaft, referring to Figure 14, the present embodiment and the difference of embodiment one are:In outlet 12 Place is provided with flared section 16, and this design also turns into bent bullet, baffle ring 13 is formed between the outer end of flared section 16 and body 1.Expand Mouth section 16 shows especially prominent in terms of along Cheng Ziran flexible compensations, and flared section 16 is mainly the crust deformation tackled on pipeline direction It is dynamic, a deformation range is provided for piping shaft, makes the overall amount of deflection of piping shaft preferably, the ability that overall adaptation soil layer changes is preferable.
Certainly, can also be to embodiment two, reality in addition to it flared section 16 can be set at the outlet 12 of embodiment one Apply example three, example IV, embodiment five, embodiment six, embodiment seven, embodiment eight, embodiment nine, embodiment ten, embodiment 11 and embodiment 12 outlet 12 on set flared section 16.
In addition to all of above embodiment, the structure of piping shaft and tubing 2 can also be exchanged, i.e. the two ends in tubing 2 14 and baffle ring 13, stiffening ring pad 3 and sealing ring 4 etc. are threaded respectively, or carry out various combinations and change.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of piping shaft, including body (1), the body (1) are provided with import (11) and outlet (12), it is characterised in that: The outlet (12) is provided with screw thread (14), the body (1) and is provided with stop part, and the stop part is close to outlet (12) Side be provided with sealing ring (4).
2. piping shaft according to claim 1, it is characterised in that:The outlet (12) of the body (1) is fixedly installed set Ring (5), the screw thread (14) and stop part are arranged at the collar (5) inwall.
3. piping shaft according to claim 1, it is characterised in that:Set between the stop part and the sealing ring (4) There is stiffening ring pad (3).
4. piping shaft according to claim 3, it is characterised in that:The one of the close stop part of the stiffening ring pad (3) Side is provided with some raised or sunken.
5. piping shaft according to claim 1, it is characterised in that:The stop part is included from body (1) inwall to convex Go out the baffle ring to be formed (13).
6. piping shaft according to claim 5, it is characterised in that:Interior side outlet (12) side of the baffle ring (13) is convex Go out to be formed flange (131).
7. piping shaft according to claim 1, it is characterised in that:The U-shaped profile of the sealing ring (4) and opening court Set to outlet (12).
8. piping shaft according to claim 1, it is characterised in that:The sealing ring (4) sets towards outlet (12) one side It is equipped with the V-shaped slot (41) in annular, cross section.
9. piping shaft according to claim 1, it is characterised in that:The stop part includes some be distributed in body (1) Block (15) of the wall along week.
10. piping shaft according to claim 3, it is characterised in that:The stiffening ring pad (3) is with opening and two ends are wrong The stiffening ring pad (3) of position.
CN201710375034.2A 2017-05-24 2017-05-24 Piping shaft Pending CN107013768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710375034.2A CN107013768A (en) 2017-05-24 2017-05-24 Piping shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710375034.2A CN107013768A (en) 2017-05-24 2017-05-24 Piping shaft

Publications (1)

Publication Number Publication Date
CN107013768A true CN107013768A (en) 2017-08-04

Family

ID=59451436

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710375034.2A Pending CN107013768A (en) 2017-05-24 2017-05-24 Piping shaft

Country Status (1)

Country Link
CN (1) CN107013768A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107830037A (en) * 2017-11-15 2018-03-23 苏州瑞恩工业产品设计有限公司 A kind of threaded connector
CN108086640A (en) * 2017-12-26 2018-05-29 中国建筑第八工程局有限公司 The inspection socket of drainpipe and the connection structure of pipe well and its construction method

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB557500A (en) * 1942-06-12 1943-11-23 John Charles Williams Improvements in or relating to jointing washers
GB961150A (en) * 1959-06-26 1964-06-17 Walker Crossweller & Company L Improvements in or relating to male and female threaded unions
DE3918891A1 (en) * 1989-03-04 1990-09-13 Festo Kg Sealing ring with stop member - has extra protruding damage to sealing body
CN2369056Y (en) * 1998-06-05 2000-03-15 谢立 Flexible connecting pipe
CN2497131Y (en) * 2001-09-28 2002-06-26 上海莘天实业有限公司 Inner-coated stainless steel water-purifying pipe
CN2644842Y (en) * 2003-10-15 2004-09-29 罗书彬 Quick-speed tube joint
CN201205967Y (en) * 2008-04-15 2009-03-11 严哲敏 Composite pipe joining structure
CN102359684A (en) * 2011-10-13 2012-02-22 王仕才 Fast connecting pipe fitting for plastic pipes
CN202432147U (en) * 2011-12-26 2012-09-12 周豪威 Sealing structure of automobile pipelines
CN202580368U (en) * 2011-03-30 2012-12-05 森索勒克莱普安装材料工商有限公司 Seal assembly for threaded connector
CN202597948U (en) * 2012-01-19 2012-12-12 徐焕松 Completely anticorrosion plastic-steel composite pipe fitting with pipe thread
CN202868131U (en) * 2012-10-11 2013-04-10 江苏辉煌太阳能股份有限公司 Thread compressing sealing water heating pipe fitting connecting structure with liner pipe and casing pipe
CN103899869A (en) * 2014-04-22 2014-07-02 江苏新方圆电气设备制造有限公司 Maintenance-free high-pressure rotating compensator
CN203948830U (en) * 2014-07-08 2014-11-19 重庆天亿通管业有限公司 A kind of multiple tube link
CN205424190U (en) * 2015-12-15 2016-08-03 大连凯斯博格设备制造有限公司 Flange formula pipe fitting seal for pipe joints device
CN205447078U (en) * 2016-03-22 2016-08-10 杨明昆 Steel is moulded electric smelting of compound pipe and is connected pipe fitting
CN106122639A (en) * 2016-08-18 2016-11-16 中国船舶重工集团公司第七〇二研究所 A kind of hose connection device
CN205745816U (en) * 2016-05-09 2016-11-30 张涛 A kind of conduit coupling
CN205896476U (en) * 2016-07-16 2017-01-18 浙江三叶机械有限公司 Fast plugging connector
CN205896524U (en) * 2016-07-16 2017-01-18 浙江三叶机械有限公司 Trachea right -angled joint
CN106402529A (en) * 2016-09-29 2017-02-15 大连民族大学 Quick connecting device for rigid straight pipe parts under vacuum environment
CN206145308U (en) * 2016-11-02 2017-05-03 张廉 Hydraulic engineering conduit coupling
CN207049469U (en) * 2017-05-24 2018-02-27 北京拓普天品科技有限公司 Piping shaft

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB557500A (en) * 1942-06-12 1943-11-23 John Charles Williams Improvements in or relating to jointing washers
GB961150A (en) * 1959-06-26 1964-06-17 Walker Crossweller & Company L Improvements in or relating to male and female threaded unions
DE3918891A1 (en) * 1989-03-04 1990-09-13 Festo Kg Sealing ring with stop member - has extra protruding damage to sealing body
CN2369056Y (en) * 1998-06-05 2000-03-15 谢立 Flexible connecting pipe
CN2497131Y (en) * 2001-09-28 2002-06-26 上海莘天实业有限公司 Inner-coated stainless steel water-purifying pipe
CN2644842Y (en) * 2003-10-15 2004-09-29 罗书彬 Quick-speed tube joint
CN201205967Y (en) * 2008-04-15 2009-03-11 严哲敏 Composite pipe joining structure
CN202580368U (en) * 2011-03-30 2012-12-05 森索勒克莱普安装材料工商有限公司 Seal assembly for threaded connector
CN102359684A (en) * 2011-10-13 2012-02-22 王仕才 Fast connecting pipe fitting for plastic pipes
CN202432147U (en) * 2011-12-26 2012-09-12 周豪威 Sealing structure of automobile pipelines
CN202597948U (en) * 2012-01-19 2012-12-12 徐焕松 Completely anticorrosion plastic-steel composite pipe fitting with pipe thread
CN202868131U (en) * 2012-10-11 2013-04-10 江苏辉煌太阳能股份有限公司 Thread compressing sealing water heating pipe fitting connecting structure with liner pipe and casing pipe
CN103899869A (en) * 2014-04-22 2014-07-02 江苏新方圆电气设备制造有限公司 Maintenance-free high-pressure rotating compensator
CN203948830U (en) * 2014-07-08 2014-11-19 重庆天亿通管业有限公司 A kind of multiple tube link
CN205424190U (en) * 2015-12-15 2016-08-03 大连凯斯博格设备制造有限公司 Flange formula pipe fitting seal for pipe joints device
CN205447078U (en) * 2016-03-22 2016-08-10 杨明昆 Steel is moulded electric smelting of compound pipe and is connected pipe fitting
CN205745816U (en) * 2016-05-09 2016-11-30 张涛 A kind of conduit coupling
CN205896476U (en) * 2016-07-16 2017-01-18 浙江三叶机械有限公司 Fast plugging connector
CN205896524U (en) * 2016-07-16 2017-01-18 浙江三叶机械有限公司 Trachea right -angled joint
CN106122639A (en) * 2016-08-18 2016-11-16 中国船舶重工集团公司第七〇二研究所 A kind of hose connection device
CN106402529A (en) * 2016-09-29 2017-02-15 大连民族大学 Quick connecting device for rigid straight pipe parts under vacuum environment
CN206145308U (en) * 2016-11-02 2017-05-03 张廉 Hydraulic engineering conduit coupling
CN207049469U (en) * 2017-05-24 2018-02-27 北京拓普天品科技有限公司 Piping shaft

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107830037A (en) * 2017-11-15 2018-03-23 苏州瑞恩工业产品设计有限公司 A kind of threaded connector
CN108086640A (en) * 2017-12-26 2018-05-29 中国建筑第八工程局有限公司 The inspection socket of drainpipe and the connection structure of pipe well and its construction method
CN108086640B (en) * 2017-12-26 2023-10-13 中国建筑第八工程局有限公司 Connection structure of inspection port of drain pipe and pipe well and construction method thereof

Similar Documents

Publication Publication Date Title
CN107013768A (en) Piping shaft
CN206093276U (en) Combined feedwater socket joint formula welding steel pipe
CN207049469U (en) Piping shaft
CN206015610U (en) Expansion joint water sealing structure
CN202546066U (en) Rubber seal ring for steel strip tube socket and spigot joint
CN201810901U (en) Universal joint
CN201762716U (en) Novel light densely-distributed well point rainfall system
CN107420660A (en) Threaded fitting
CN102278557B (en) Connecting structure of plastic inspection well and corrugated pipe
CN207092230U (en) Inspection shaft
CN202284687U (en) Pipe fitting structure penetrating through waterproof wall
CN2239561Y (en) Full sealed anti-corrosion directly buried pipeline expansion device
CN204456392U (en) A kind of municipal engineering rainwater inspection well
CN209586399U (en) A kind of underground pipe gallery shield-tunneling construction waterproof construction
CN205025394U (en) Special compound tap of coal seam gas well
CN208764523U (en) A kind of large deflection Telescopic gate valve
CN205446982U (en) Novel compound stereoplasm polyvinyl chloride drain pipe
CN206017912U (en) A kind of high sealing formula check-valves
CN205806786U (en) Universal direct-burried hinge type bellow-type expansion joint
CN107420659A (en) Pipe fitting and its matched mounting tool
CN204554124U (en) A kind of ductile iron pipe flexible interface rubber seal
CN202165741U (en) Connecting structure for plastic inspection well and corrugation pipe
CN107142971A (en) A kind of flow impact prevention inspection well cover
CN212506633U (en) Drainage building water supply and drainage pipeline convenient to dredge
CN213479255U (en) Magnetic filtering ball valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170804

RJ01 Rejection of invention patent application after publication