CN110107751B - Water leakage-proof connecting structure of building water supply pipeline - Google Patents
Water leakage-proof connecting structure of building water supply pipeline Download PDFInfo
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- CN110107751B CN110107751B CN201910350559.XA CN201910350559A CN110107751B CN 110107751 B CN110107751 B CN 110107751B CN 201910350559 A CN201910350559 A CN 201910350559A CN 110107751 B CN110107751 B CN 110107751B
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- water supply
- ring
- supply pipeline
- building
- connecting pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a water leakage-proof connecting structure of a building water supply pipeline, which relates to the technical field of pipeline connection and comprises a connecting pipe, connecting sleeve heads and a pressing ring, wherein external threads are arranged on the outer circumferential surface of the connecting pipe, internal threads are arranged on the inner circumferential surface of the connecting sleeve heads, the two connecting sleeve heads are respectively sleeved at two ends of the connecting pipe in a threaded manner, annular grooves are respectively formed in two end surfaces of the connecting pipe, waterproof sealing rings are respectively arranged in the annular grooves, limiting parts are respectively arranged on the inner circumferential surfaces of the connecting sleeve heads, pressing rings matched with the annular grooves are respectively arranged on the limiting parts, the pressing rings are abutted against the waterproof sealing rings, circular table grooves are respectively formed in the inner circumferential surfaces of the limiting parts facing one end of the connecting pipe, the two pressing rings are respectively arranged in the circular table grooves, and the pressing rings are arranged to protrude out of the; through connecting between the water supply pipe of above-mentioned structure for building, have improvement pipeline installation performance and waterproof sealing performance.
Description
Technical Field
The invention relates to the technical field of pipeline connection, in particular to a water leakage prevention connecting structure of a water supply pipeline of a building.
Background
The water pipe is a water supply and drainage pipeline, and along with the continuous acceleration of footsteps in urbanization construction and the gradual improvement of economic level of people, the demand of tap water is remarkably improved, so that the demand of the water supply and drainage pipeline of the tap water is more and more increased; along with the increase of the demand of tap water supply pipelines, the demand of connection devices of the water supply pipelines is steadily increased.
When present water supply pipe connects, generally connect two adjacent water supply pipe through the ring flange, because the clearance between the adjacent water supply pipe, easily lead to the inside water of pipeline to ooze to influence the quality of water supply pipe building on every side. When the pipeline that adopts the ring flange simultaneously buries underground or in the wall, the ring flange can lead to the pipe laying unevenness sometimes seriously because the shape problem can influence burying underground of pipeline, gets off to influence the use of pipeline for a long time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a water leakage prevention connecting structure for a water supply pipeline of a building, which has the advantages of improving the installation performance of the pipeline and the waterproof sealing performance.
In order to achieve the purpose, the invention provides the following technical scheme:
a water leakage-proof connection structure of a building water supply pipeline comprises a connection pipe, a connection sleeve head used for connecting the water supply pipeline and a pressing ring used for clamping the water supply pipeline, the outer circumference of the connecting pipe is provided with external threads, the inner circumference of the connecting sleeve head is provided with internal threads, the two connecting sleeve heads are respectively in threaded sleeve joint with the two ends of the connecting pipe, two end faces of the connecting pipe are respectively provided with an annular groove, the annular grooves are internally provided with waterproof sealing rings, the inner circumferential surface of the connecting sleeve head is provided with a limiting part, the limiting parts are provided with pressing rings matched with the annular grooves, the pressing rings are abutted against the waterproof sealing ring, the limiting portion is provided with a circular platform groove towards the inner circumferential surface of one end of the connecting pipe, the two pressing rings are arranged in the circular platform grooves respectively, and the pressing rings protrude out of the circular platform grooves towards one end of the connecting pipe.
According to the arrangement, the two water supply pipelines are respectively inserted into the two connecting sleeve heads, the two connecting sleeve heads are respectively connected to two ends of the connecting pipe in a threaded rotating manner, the limiting part is abutted against the end face of the connecting pipe, the pressing ring is clamped in the annular groove and abutted against the waterproof sealing ring, and the water supply pipelines are clamped on the end face of the limiting part, so that the two water supply pipelines are abutted; the connecting sleeve head is continuously rotated to enable the pressing ring to be abutted against the end face of the connecting pipe and continuously pushed towards the connecting pipe along with the connecting sleeve head, and the pressing ring extrudes towards the outer circumferential surface of the water supply pipeline to form extrusion force, so that the aim of fixing the water supply pipeline in the connecting sleeve head is fulfilled; the effect of leak protection water is realized to waterproof sealing washer between rethread connecting pipe and the connecting sleeve head, has improvement pipeline installation performance and waterproof sealing performance.
Further setting: and the inner circumferential surfaces at the two ends of the connecting pipe are provided with limiting ring grooves used for clamping the water supply pipeline, and the inner circumferential surfaces of the limiting ring grooves are butted against the water supply pipeline.
So set up, when the terminal surface conflict of spacing portion and connecting pipe, the butt joint between two water supply line is realized in the spacing annular of spacing portion to the water supply line joint, improves the purpose of stability of being connected and leakproofness between connecting pipe and the water supply line.
Further setting: the water supply device is characterized in that a first annular groove is formed in the circumferential groove wall of the limiting annular groove, a first sealing ring is arranged in the first annular groove, and the first sealing ring is abutted to the outer circumferential wall of the water supply pipeline.
So set up, through set up first sealing washer in first annular, improve the leakproofness of junction between connecting pipe and the water supply pipe, reduce the leak protection water performance of water supply pipe junction, and then improve the leakproofness that the building water supply pipe connects.
Further setting: and a second annular groove is formed in the inner circumferential surface of the limiting part, a second sealing ring is arranged in the second annular groove, and the second sealing ring is abutted against the outer circumferential wall of the water supply pipeline.
So set up, through set up the second sealing washer in the second ring groove, improve the leakproofness of junction between connecting sleeve head and the water supply pipe, reduce the leak protection water performance of water supply pipe junction, and then improve the leakproofness that the building water supply pipe connects.
Further setting: the end face of the pressing ring abutting against the waterproof sealing ring is set to be in an inwards concave arc shape.
So set up, when the pressing ring joint in the ring channel, conflict in the ring channel and with waterproof sealing washer through arc form joint, improve the effect to waterproof sealing washer extrusion, and then improve the effect of the leak protection water of connecting pipe and water supply pipe junction.
Further setting: the inner circumferential surface of the connecting pipe is flush with the inner circumferential surface of the water supply pipeline, and the inner circumferential surface of the limiting part is flush with the outer circumferential surface of the water supply pipeline.
So set up, when the water supply pipe supplied water, make the connecting pipe be in same one plane with the inner pipe wall of water supply pipe, the outer pipe wall of water supply pipe is contradicted with the connecting sleeve head, improves adjacent water supply pipe and leak protection water connection structure and is connected the stability of back water supply.
Further setting: the pressing ring comprises a body and a plurality of arc pressing pieces arranged on the circumferential surface of one end of the body at intervals, and the arc edges of the arc pressing pieces are abutted to the circular truncated cone grooves.
So set up, through rotating the connecting sleeve head, make the arc pressing blade on the clamping ring contradict with the terminal surface of connecting pipe to continuously impel on the connecting pipe along with the connecting sleeve head, the arc pressing blade extrudees and forms the extrusion force towards the outer periphery of water supply pipe, realizes being fixed in the purpose in the connecting sleeve head to the water supply pipe.
Further setting: the connecting sleeve is characterized by further comprising an upper fastening sleeve ring and a lower fastening sleeve ring which are matched with each other, the upper fastening sleeve ring and the lower fastening sleeve ring are sleeved between the two connecting sleeve heads when being spliced, and a fastening piece is arranged between the upper fastening sleeve ring and the lower fastening sleeve ring.
So set up, form closed loop cover through the concatenation of last fastening lantern ring and lower fastening lantern ring and locate between two connecting sleeve heads to be provided with the fastener through the both sides of last fastening lantern ring and lower fastening lantern ring, the effect of fastening lantern ring and lower fastening lantern ring fixed connection is gone up in the realization, and the straight line is to the stability of being connected between connecting sleeve head and the connecting pipe, and then improves the holistic stability of building water supply pipe leak protection water connection structure.
Further setting: the outer periphery of the connecting sleeve head is provided with a third ring groove, the third ring groove is internally provided with a third sealing ring, and the upper fastening lantern ring and the lower fastening lantern ring are both abutted against the third sealing ring.
So set up, through set up the third sealing washer in the third annular, improve the leakproofness of the junction between the last fastening lantern ring, the lower fastening lantern ring concatenation back and the connecting sleeve head, reduce the leak protection water performance of water supply pipe junction, and then improve the leakproofness that the building water supply pipe connects.
Further setting: and waterproof sealing gaskets are arranged at the splicing parts of the upper fastening lantern ring and the lower fastening lantern ring.
So set up, improve the leakproofness after the concatenation between the fastening lantern ring and the lower fastening lantern ring, reduce the leak protection water performance of water supply pipe junction, and then improve the leakproofness that the building water supply pipe connects.
Compared with the prior art, the invention has the following advantages by adopting the technical scheme:
1. the two connecting sleeve heads are respectively connected to two ends of the connecting pipe in a threaded rotating manner, so that the limiting part is abutted against the end face of the connecting pipe, the arc-shaped pressing ring is clamped in the annular groove and abutted against the waterproof sealing ring, and the water supply pipeline is clamped in the limiting annular groove of the limiting part, so that the two water supply pipelines are butted;
2. the arc-shaped pressing pieces on the pressing ring are abutted against the end face of the connecting pipe and continuously pushed towards the connecting pipe along with the connecting sleeve head, and the arc-shaped pressing pieces are extruded towards the outer circumferential surface of the water supply pipeline and form extrusion force, so that the aim of fixing the water supply pipeline in the connecting sleeve head is fulfilled;
3. the upper fastening lantern ring and the lower fastening lantern ring are spliced to form a closed loop to be sleeved between the two connecting sleeve heads, and the fastening pieces are arranged on two sides of the upper fastening lantern ring and the lower fastening lantern ring to realize the effect of fixedly connecting the upper fastening lantern ring and the lower fastening lantern ring;
4. through the leakproofness of waterproof sealing washer, first sealing washer, second sealing washer, third sealing washer and waterproof sealing pad, have improvement pipeline installation performance and waterproof sealing performance.
Drawings
FIG. 1 is a schematic structural view of a water leakage preventing connection structure of a water supply pipeline of a building;
FIG. 2 is a cross-sectional view of the water leakage preventing connection structure of the water supply pipe of the building at the axis;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a partial exploded view of a water leakage preventing connection structure of a water supply pipe of a building;
FIG. 5 is a cross-sectional view of the connection sleeve at the axis of the connection sleeve in the water-supply pipe leak-proof connection structure of the building;
FIG. 6 is a cross-sectional view of a fastener perpendicular to an axis in a leak-proof connection structure of a water supply pipe in a building.
In the figure: 1. a connecting pipe; 11. an external thread; 12. an annular groove; 13. a limiting ring groove; 131. a first ring groove; 14. a first seal ring; 2. connecting a sleeve head; 21. an internal thread; 22. a limiting part; 221. a second ring groove; 222. a circular platform groove; 23. pressing a ring; 231. an arc shape; 24. a second seal ring; 25. a third ring groove; 26. a third seal ring; 3. a compression ring; 31. a body; 32. an arc-shaped pressing sheet; 4. an upper fastening collar; 5. a lower fastening collar; 6. a fastener; 7. a waterproof sealing ring; 8. a waterproof gasket; 9. a water supply pipeline.
Detailed Description
The water leakage-proof connecting structure of the water supply pipeline of the building is further explained with reference to the attached drawings.
A water leakage prevention connecting structure of a building water supply pipeline is shown in figures 1 and 2 and comprises a connecting pipe 1, a connecting sleeve head 2 used for connecting a water supply pipeline 9, a pressing ring 3 used for clamping the water supply pipeline 9, and an upper fastening sleeve ring 4 and a lower fastening sleeve ring 5 which are matched with each other.
As shown in fig. 2 and 3, an external thread 11 is provided on the outer circumference of each end of the connection pipe 1, an internal thread 21 is provided on the inner circumference of the connection socket 2, and the two connection sockets 2 are respectively screwed on the two ends of the second connection pipe 1.
As shown in fig. 2 and 3, in order to improve the waterproof sealing performance between the connecting sleeve head 2 and the connecting pipe 1, annular grooves 12 are respectively formed on two end surfaces of the connecting pipe 1, and waterproof sealing rings 7 are respectively arranged in the annular grooves 12; all be provided with spacing portion 22 on the inner circumferential surface of connecting socket 2, all be provided with on spacing portion 22 with ring channel 12 matched with clamp ring 23, the terminal surface that clamp ring 23 kept away from to be connected with spacing portion 22 sets up to the arc form 231 of indent, and arc form 231 contradicts with waterproof sealing ring 7.
As shown in fig. 2 and 3, the inner circumferential surfaces of the two ends of the connecting pipe 1 are provided with limiting ring grooves 13 for clamping the water supply pipe 9, and the inner circumferential surfaces of the limiting ring grooves 13 are abutted against the end parts of the water supply pipe 9; in order to improve the waterproof sealing performance of the joint of the connecting pipe 1 and the water supply pipeline 9, a first annular groove 131 is formed in the circumferential groove wall of the limiting annular groove 13, a first sealing ring 14 is arranged in the first annular groove 131, and the first sealing ring 14 abuts against the outer circumferential wall of the water supply pipeline 9.
As shown in fig. 2 and 3, in order to improve the waterproof sealing performance between the connection socket 2 and the water supply pipe 9, a second annular groove 221 is formed in the inner circumferential surface of the stopper 22, a second seal ring 24 is disposed in the second annular groove 221, and the second seal ring 24 abuts against the outer circumferential wall of the water supply pipe 9.
As shown in fig. 2 and 3, in order to improve the stability of water supply after the adjacent water supply pipes 9 are connected to the water leakage preventing connection structure, the inner circumferential surface of the connection pipe 1 is flush with the inner circumferential surface of the water supply pipe 9, and the inner circumferential surface of the limiting portion 22 is flush with the outer circumferential surface of the water supply pipe 9.
As shown in fig. 4 and 5, in order to improve the stability of the water supply pipe 9 when being reconnected with the connection sleeve head 2, the inner circumferential surfaces of the limiting parts 22 facing one end of the connection pipe 1 are both provided with circular truncated cone grooves 222, and the two pressing rings 3 are respectively arranged in the circular truncated cone grooves 222; the pressing ring 3 includes a body 31 and a plurality of arc pressing pieces 32 arranged on the circumferential surface of one end of the body 31 at intervals, the arc edges of the arc pressing pieces 32 are abutted against the circular platform groove 222, and the arc pressing pieces 32 protrude out of the circular platform groove 222 towards one end of the connecting pipe 1.
As shown in fig. 4 and 6, the cross sections of the upper fastening collar 4 and the lower fastening collar 5 are both in an "Ω" shape, when the upper fastening collar 4 and the lower fastening collar 5 are spliced, a closed loop is formed and sleeved between the two connecting sleeve heads 2, and the fastening pieces 6 (such as bolts) are arranged on two sides of the upper fastening collar 4 and the lower fastening collar 5, so as to realize the function of fixedly connecting the upper fastening collar 4 and the lower fastening collar 5.
As shown in fig. 4 and 6, in order to improve the waterproof sealing performance between the upper fastening lantern ring 4, the lower fastening lantern ring 5 and the connecting sleeve heads 2, third ring grooves 25 are respectively formed on the outer circumferential surfaces of the two connecting sleeve heads 2, third sealing rings 26 are respectively arranged in the third ring grooves 25, and the upper fastening lantern ring 4 and the lower fastening lantern ring 5 are respectively abutted against the third sealing rings 26; meanwhile, the splicing parts of the upper fastening lantern ring 4 and the lower fastening lantern ring 5 are provided with waterproof sealing gaskets 8.
The working principle is as follows: two water supply pipelines 9 are respectively inserted into two connecting sleeve heads 2, and then the two connecting sleeve heads 2 are respectively connected with two ends of a connecting pipe 1 in a threaded rotation manner, so that a limiting part 22 is abutted against the end surface of the connecting pipe 1, an arc-shaped 231 of a pressing ring 23 is clamped in an annular groove 12 and abutted against a waterproof sealing ring 7, the water supply pipelines 9 are clamped in a limiting annular groove 13 of the limiting part 22, and the two water supply pipelines 9 are butted; continuing to rotate the connecting sleeve head 2 to enable the arc-shaped pressing pieces 32 on the pressing ring 3 to be abutted against the end face of the connecting pipe 1 and continuously push towards the connecting pipe 1 along with the connecting sleeve head 2, and the arc-shaped pressing pieces 32 extrude towards the outer circumferential surface of the water supply pipeline 9 to form extrusion force, so that the purpose of fixing the water supply pipeline 9 in the connecting sleeve head 2 is achieved; finally, a closed loop is formed by splicing the upper fastening lantern ring 4 and the lower fastening lantern ring 5 and is sleeved between the two connecting sleeve heads 2, and the fastening pieces 6 are arranged on two sides of the upper fastening lantern ring 4 and the lower fastening lantern ring 5, so that the upper fastening lantern ring 4 and the lower fastening lantern ring 5 are fixedly connected; and the sealing performance of the waterproof sealing ring 7, the first sealing ring 14, the second sealing ring 24, the third sealing ring and the waterproof sealing gasket 8 is improved, so that the pipeline installation performance and the waterproof sealing performance are improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a building water supply pipe leak protection water connection structure which characterized in that: comprises a connecting pipe (1), a connecting sleeve head (2) used for connecting a water supply pipeline (9) and a clamping ring (3) used for clamping the water supply pipeline (9), wherein an external thread (11) is arranged on the outer circumferential surface of the connecting pipe (1), an internal thread (21) is arranged on the inner circumferential surface of the connecting sleeve head (2), the connecting sleeve heads (2) are respectively in threaded sleeve joint with the two ends of the connecting pipe (1), annular grooves (12) are respectively arranged on the two end surfaces of the connecting pipe (1), waterproof sealing rings (7) are respectively arranged in the annular grooves (12), limiting parts (22) are respectively arranged on the inner circumferential surface of the connecting sleeve head (2), pressing rings (23) matched with the annular grooves (12) are respectively arranged on the limiting parts (22), and the pressing rings (23) are abutted against the waterproof sealing rings (7), circular table grooves (222) are formed in the inner circumferential surface of the limiting part (22) facing one end of the connecting pipe (1), the two pressing rings (3) are arranged in the circular table grooves (222) respectively, and the end, facing the connecting pipe (1), of each pressing ring (3) protrudes out of the circular table groove (222); the pressing ring (3) comprises a body (31) and a plurality of arc pressing pieces (32) arranged on the circumferential surface of one end of the body (31) at intervals, the arc edges of the arc pressing pieces (32) are abutted to the circular table groove (222), and the arc pressing pieces (32) protrude out of the circular table groove (222) towards one end of the connecting pipe (1).
2. The water leakage preventing connection structure of a water supply pipeline of a building as claimed in claim 1, wherein: the inner circumferential surfaces at two ends of the connecting pipe (1) are provided with limiting ring grooves (13) used for clamping the water supply pipeline (9), and the inner circumferential surfaces of the limiting ring grooves (13) are abutted to the water supply pipeline (9).
3. The water leakage preventing connection structure of a water supply pipeline of a building as claimed in claim 2, wherein: first annular groove (131) have been seted up on the circumference cell wall of spacing annular groove (13) be provided with first sealing washer (14) in first annular groove (131), just first sealing washer (14) are contradicted with the outer circumferential wall of water supply pipe (9).
4. The water leakage preventing connection structure of a water supply pipeline of a building as claimed in claim 1, wherein: the inner circumferential surface of the limiting part (22) is provided with a second annular groove (221), a second sealing ring (24) is arranged in the second annular groove (221), and the second sealing ring (24) is abutted to the outer circumferential wall of the water supply pipeline (9).
5. The water leakage preventing connection structure of a water supply pipeline of a building as claimed in claim 1, wherein: the pressing ring (23) is abutted against the end face of the waterproof sealing ring (7) and is arranged into an inwards concave arc shape (231).
6. The water leakage preventing connection structure of a water supply pipe of a building as claimed in any one of claims 1 to 5, wherein: the inner circumferential surface of the connecting pipe (1) is flush with the inner circumferential surface of the water supply pipeline (9), and the inner circumferential surface of the limiting part (22) is flush with the outer circumferential surface of the water supply pipeline (9).
7. The water leakage preventing connection structure of a water supply pipe of a building as claimed in any one of claims 1 to 5, wherein: still including the last fastening lantern ring (4) and the lower fastening lantern ring (5) of mutually supporting, two are located to the cover when going up fastening lantern ring (4) and lower fastening lantern ring (5) concatenation connect between pullover (2), and be provided with fastener (6) between last fastening lantern ring (4) and lower fastening lantern ring (5).
8. The water leakage preventing connection structure of a water supply pipeline of a building as claimed in claim 7, wherein: two third annular groove (25) have all been seted up on the outer periphery of connecting pullover (2), two all be provided with third sealing washer (26) in third annular groove (25), go up fastening lantern ring (4) and lower fastening lantern ring (5) and all contradict with third sealing washer (26).
9. The water leakage preventing connection structure of a water supply pipeline of a building as claimed in claim 7, wherein: and waterproof sealing gaskets (8) are arranged at the splicing parts of the upper fastening lantern ring (4) and the lower fastening lantern ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350559.XA CN110107751B (en) | 2019-04-28 | 2019-04-28 | Water leakage-proof connecting structure of building water supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350559.XA CN110107751B (en) | 2019-04-28 | 2019-04-28 | Water leakage-proof connecting structure of building water supply pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107751A CN110107751A (en) | 2019-08-09 |
| CN110107751B true CN110107751B (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910350559.XA Active CN110107751B (en) | 2019-04-28 | 2019-04-28 | Water leakage-proof connecting structure of building water supply pipeline |
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| CN (1) | CN110107751B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178314A (en) * | 2020-09-21 | 2021-01-05 | 湖南省大地泵业有限公司 | Water supply and drainage pipe capable of preventing separation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210685U (en) * | 1987-10-31 | 1988-07-20 | 蔡忠培 | Quick jointer for pipe or tube |
| DE19940147C2 (en) * | 1999-08-24 | 2001-08-16 | Karl Weinhold | Device for connecting two hose ends |
| CN100585250C (en) * | 2007-05-18 | 2010-01-27 | 黄红梅 | Jointing pipe piece |
| KR200448487Y1 (en) * | 2009-06-16 | 2010-04-15 | 구성회 | Device for connecting pipe of air conditioner |
| CN202032207U (en) * | 2011-04-21 | 2011-11-09 | 胡启宇 | Universal pipe joint |
| CN203686406U (en) * | 2014-01-16 | 2014-07-02 | 台州市明利阀门管件有限公司 | Pipe fitting joint structure |
| CN203880290U (en) * | 2014-06-11 | 2014-10-15 | 乔耀兵 | Small-caliber quick pipeline connecting connector |
| CN203979698U (en) * | 2014-07-30 | 2014-12-03 | 四川威特龙消防设备有限公司 | A kind of pipe coupling |
| CN205716120U (en) * | 2016-04-07 | 2016-11-23 | 大连凯斯博格设备制造有限公司 | A kind of assembling pipe joint with Simple sealing circle |
| CN206861116U (en) * | 2017-05-18 | 2018-01-09 | 潘汝锦 | Pipeline extension is plugged into external member |
| CN207906676U (en) * | 2017-12-29 | 2018-09-25 | 玉环县亨日塑胶制品有限公司 | A kind of directly-inserted quick quick coupling |
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2019
- 2019-04-28 CN CN201910350559.XA patent/CN110107751B/en active Active
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