CN111365545A - Quick insertion pipe fitting of flexible pipe - Google Patents
Quick insertion pipe fitting of flexible pipe Download PDFInfo
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- CN111365545A CN111365545A CN202010247588.6A CN202010247588A CN111365545A CN 111365545 A CN111365545 A CN 111365545A CN 202010247588 A CN202010247588 A CN 202010247588A CN 111365545 A CN111365545 A CN 111365545A
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- ring
- pipe
- flexible pipe
- quick
- limiting
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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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/222—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the external piece comprising segments pressed against the hose by wedge shaped elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to pipeline connection, in particular to a quick-insertion pipe fitting for a flexible pipe. A quick-insertion pipe fitting of a flexible pipe comprises a pipe fitting main body with at least one end nozzle, a protective clamping ring is further arranged on the outer ring of the nozzle, a groove part with a slope at one end is arranged at the rear end of a sealing ring, an insertion clamping ring is arranged in the groove part, and a limiting check ring is further arranged at the front end of the sealing ring; the front section of the inserting and embedding clamp ring is an embedding head part which is matched with the slope and is provided with an inner chamfer, and the outer diameter of the embedding head part is provided with a pawl structure; the rear end of the inserting and embedding clamp ring is also provided with an elastic part for promoting the climbing of the embedding head part. The invention provides a novel connection scheme, the position of a clamping structure is changed, the drawing performance is improved, and the connection is optimized by limiting a check ring. The whole outward appearance of this pipe fitting structure is pleasing to the eye, and the installation is safe and reliable more, has better practicality and market prospect.
Description
Technical Field
The invention relates to pipeline connection, in particular to a quick-insertion pipe fitting for a flexible pipe.
Background
The mounting tool that quick intubate piece need not with the pipe flat mouthful, inserts the pipe fitting mouth of pipe of connecting and can realize sealed and fixed, the efficiency of construction is high, and the installation is simple and convenient, develops rapidly in the pipeline field. The prior art of the quick insertion pipe fitting is different from the prior art, for example, in a quick insertion pipe fitting with a guide ring shown in publication No. CN 106641509A, the outer wall of a pipe is clamped by an annular clamping jaw between a pipe fitting nozzle and a limiting clamping ring to realize fixation. And a quick connector shown in CN 208348748U, which also uses a collar to embed and fix the outer wall of the pipe.
The quick pipe inserting piece is particularly suitable for flexible pipes such as aluminum plastic pipes, polyethylene pipes, polybutylene pipes and the like, the surfaces of the pipes are non-metal, clamping claws for clamping and fixing can be embedded into plastic pipe materials to meet the requirement of pipe drawing performance, the metal pipes are high in hardness, the clamping claws with the same or lower hardness cannot be embedded deeply enough, and the clamping force is poor.
The surface of the flexible pipe is made of plastic, so that the flexible pipe is inevitably contacted with sand, stones and the like in the processes of production, transportation, installation and use, the surface of the pipe is damaged or attached with foreign matters, the operation is not standardized or the construction is brutal, and the surface of the pipe is damaged. The outer wall of the pipe adopting the prior art is fixed by the clamping jaws, and the damaged or damaged surface has stress defects and the risk of pulling, particularly an aluminum plastic pipe has only dozens of threads on the outer diameter plastic layer and is more susceptible. In addition, in the flexible pipe connection field, the quick insertion pipe fitting is a novel technology, and in order to break through the protection of the property rights of the prior art, the applicant structurally redesigns the quick insertion pipe fitting so as to obtain a higher connection effect.
Disclosure of Invention
Aiming at the structure in the prior art, the invention provides a novel flexible pipe quick-insertion pipe fitting, the structure of a clamping hook in the prior art is changed, the clamping hook is arranged on the inner wall of a flexible pipe with a better fastening position, the clamping mode is changed, the clamping hook is clamped into the clearance of the flexible pipe through elastic retreating force, and the pipe is prevented from being pulled out through size matching. In addition, the head of the nozzle of the quick inserting pipe piece is structurally arranged, so that the inserting effect is optimized. The quick pipe inserting piece can avoid the problems in the prior art, has a slimmer and more attractive appearance, has better drawing force of products, is more standard and safer in pipe installation, provides another optimized connection scheme for the connection of flexible pipes, and has better practicability and market prospect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a quick-insertion pipe fitting of a flexible pipe comprises a pipe fitting main body with at least one end of a nozzle head, wherein a sealing ring is arranged on the nozzle head, a protective clamping ring is further arranged on the outer ring of the nozzle head, a groove part with a slope at one end is arranged at the rear end of the sealing ring, an insertion clamping ring is arranged in the groove part, and a limiting retaining ring is further arranged at the front end of the sealing ring; the inner diameter of the protection retainer ring is not more than 0.7 mm of the outer diameter of the flexible pipe; the front section of the inserting and embedding clamp ring is an embedding head part which is matched with the slope and is provided with an inner chamfer, and the outer diameter of the embedding head part is provided with a pawl structure; the rear end of the inserting and embedding clamp ring is also provided with an elastic part for promoting the climbing of the embedding head part.
The invention can also adopt the technical scheme that:
the limiting check ring is fixed in the limiting groove, the fixing seat in the limiting groove extends forwards to form a blocking ring, and the distance from the maximum outer diameter of the blocking ring to the inner diameter of the protection retainer ring is smaller than the wall thickness of the flexible pipe.
The bottom of the limiting check ring is limited in the limiting groove, the top of the limiting check ring is in contact with the inner diameter of the protective collar, and the bottom of the limiting check ring is also provided with a taper structure with the inclination higher than that of the sealing ring and the pawl structure; the front end of the limiting retainer ring is also provided with a wrapping groove for placing the port of the flexible pipe.
The elastic part of the inserted snap ring is of a rubber structure capable of compressing length.
The elastic part of the inserted snap ring is of a spring structure.
The elastic part and the embedding head part of the inserting and embedding clamping ring are integrally of an elastic structure and provided with a notch, and the inner diameter of the inserting and embedding clamping ring is larger than the outer diameter of the groove part.
The embedded head part of the inserted clamping ring is provided with a thickened part.
The tail end of the protection clamping ring is provided with a drag hook structure matched with the tensioning groove at the bottom end of the nozzle head.
The protective collar is transparent, and the position of the limit retainer ring pushed into by the flexible pipe can be observed.
The limiting retainer ring is made of elastic plastic material, and the blocking ring is provided with more than 2 notches.
The invention provides a novel scheme for quickly inserting a pipe into a flexible pipe, which changes the structure of a clamping hook in the prior art, sets the clamping hook on the inner wall of the flexible pipe with a better fastening position, changes the clamping and fixing mode, clamps the pipe into the clearance of the flexible pipe through elastic retreating force, and prevents the pipe from being pulled out through size matching. In addition, the head of the nozzle of the quick inserting pipe piece is structurally arranged, so that the inserting effect is optimized. The quick pipe inserting piece can avoid the problems in the prior art, is fine and attractive in overall appearance, better in drawing force of products, more standard and safe in pipe installation, optimizes the existing flexible pipe connecting technology, and has better practicability and market prospect.
Drawings
Fig. 1 is an exploded perspective view of a tube according to a first preferred embodiment;
FIG. 2 is a schematic view of a full-section structure of the pipe fitting according to the first preferred embodiment;
FIG. 3 is a schematic perspective view of an insert snap ring according to a first preferred embodiment;
FIG. 4 is a schematic cross-sectional structural view of the pipe of the second preferred embodiment;
fig. 5 is a schematic perspective view of an insert snap ring according to a second preferred embodiment;
fig. 6 is a schematic perspective view of an insert snap ring according to a third preferred embodiment.
Detailed Description
Embodiments of the flexible tube quick insertion member of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a quick-insertion tube of a flexible tube comprises a tube body 1 having at least one end 10, a sealing ring 11 is provided on the end 10, a protection retainer ring 2 is further provided on the outer ring of the end, a groove portion 13 having a slope 12 is provided at the rear end of the sealing ring 11, the groove portion 13 is provided with an insertion retaining ring 3, and a restriction retainer ring 4 is further provided at the front end of the sealing ring 11; the inner diameter 20 of the protection clamping ring 2 is not more than 0.7 mm of the outer diameter of the flexible pipe 5; the front section of the inserted snap ring 3 is an embedded head part 30 which is matched with the slope 12 and is provided with an inner chamfer, and the outer diameter of the embedded head part 30 is provided with a pawl structure 31; the rear end of the insert snap ring 3 is also provided with an elastic portion 32 for urging the insert head portion 30 to climb the slope 12.
The flexible pipe 5 specifically comprises an aluminum plastic pipe, a polyethylene pipe and a polybutylene pipe, wherein the polyethylene pipe mainly comprises a high-temperature-resistant polyethylene pipe and a cross-linked polyethylene pipe. The whole or inner wall material of the pipe can meet the structural matching with the inserting and embedding snap ring 3. The pipe fitting structure cannot be used for the pipe fitting such as a stainless steel pipe or a rubber pipe due to its hardness or surface finish. The aluminum-plastic pipe is made of multiple layers of materials, the outer layer of the aluminum-plastic pipe is made of plastic materials such as polyethylene and the like, the thickness of the aluminum-plastic pipe is only dozens of wires, and the aluminum-plastic pipe is thin and easy to break in a drawing test; particularly, in a high-temperature environment, the position of the inserted clamping ring 3 is arranged on the inner layer, the wall thickness is 3 to 5 times of that of the outer layer, and the drawing performance requirement of the pipe is improved by more than 20 percent compared with the national specified pipe drawing performance requirement through drawing test; and the inner layer of the flexible pipe has good finish, is not easy to scratch and clean in surface, and has good fixing reliability and less hidden connection trouble.
The quick-insertion pipe fitting has various types, including direct pipe fittings, elbows, tee joints, threaded direct pipe fittings or welded elbows and the like shown in the attached drawing 1, is not limited to the type of the pipe fitting, and at least one end of the pipe fitting adopts a quick-insertion pipe fitting structure; or the quick inserting pipe fitting structure is used for the connecting ends of the valve and the water collecting and distributing device.
The sealing ring 11 is a common structure for pipe connection, and in this embodiment, the sealing ring 11 is an O-ring and is sealed by a double O-ring, so that better leakage resistance is achieved.
The protection collar 2 is different from the prior art in that the inner diameter 20 is not more than 0.7 mm of the outer diameter of the flexible pipe 5, only the insertion gap of the flexible pipe 5 is reserved, and no other part is arranged between the embodiment and the flexible pipe 5. The design can greatly reduce the complexity of the design of the pipe, the appearance is fine and beautiful, and the pipe is inserted into a pipe groove, a pipe insulating sleeve or a narrow space and has more advantages. The clearance of not more than 0.7 mm is the result obtained by the practice and test of the applicant, the too large clearance is inserted and embedded into the clamping ring 3, the fastening is easy to lose efficacy, and the drawing data is not ideal. The inner wall of the protection collar 2 and the outer diameter of the flexible pipe 5 are integrally kept to be not more than 0.7 mm, as shown in the attached drawings, or can be partial positions, such as the positions corresponding to the inserting and embedding snap rings 3. The size of the whole inner wall of the protection clamping ring 2 is kept, the production of the protection clamping ring 2 has few parts, the structure is simple, the integrated structure is safer, and the corresponding cost is low.
The insert snap ring 3 is positioned in the groove part 13 with the slope 12 at one end of the nozzle 10, and the rear end of the insert snap ring 3 is also provided with an elastic part 32 for promoting the insert head part 30 to climb the slope 12. When the flexible pipe is pushed, the inserting and embedding clamp ring 3 moves backwards, the wall thickness of the reserved pipe fitting inner cavity channel is not smaller than that of the flexible pipe 5, and the flexible pipe 5 is pushed into the flexible pipe without resistance. After the pipe fitting is in place, the embedding head part 30 of the inserting and embedding clamp ring 3 is under the action of the elastic part 32, the inverted tooth structure 31 is tightly attached to the wall of the inner diameter 20 of the flexible pipe 5, when the flexible pipe 5 retreats, the embedding head part 30 is driven to extrude forwards along the slope 12, the inverted tooth structure 31 is clamped in the inner wall of the flexible pipe 5, the flexible pipe 5 retreats, the thickness of the wall of the flexible pipe 5 and the thickness of the embedding head part 30 are added to fully extrude the gap between the flexible pipe 5 and the protection clamp ring 2, so that the thickness of the two parts is added to exceed the gap, and the pipe cannot. The resilient portion 32 maintains the snap ring 3 in engagement with the wall of the inner diameter 20 at all times.
At the location of the insertion head portion 30 of the insertion collar 3, the protective collar 2 is provided with a thickened portion 22. So that the pipe has stronger cracking resistance. The inserted snap ring 3 can be made of high-strength plastic, such as PPS, PPSU or reinforced nylon, or can be made of metal material. The metal material has better mechanical property, and the thickened part 22 can be omitted.
The tail end of the protection clamping ring 2 is provided with a draw hook structure 21 matched with the tensioning groove 15 at the bottom end of the nozzle head 10. The structure is fixed by the elastic propulsion of the material. The protection rand 2 and the pipe fitting main part 1 are connected in a plurality of ways, and can also be fixed by adopting a threaded structure, a clamp spring structure, an adhesion structure and the like. The tail part of the protective collar 2 is also provided with an elastic opening 23 in the embodiment.
The structure of the limit retainer ring 4 plays a great role in successfully realizing the whole function. The restriction ring 4 is located at the front end of the seal ring 11. The limiting retainer ring 4 is fixed in the limiting groove 14, the fixed seat 40 in the limiting groove 14 extends forwards to form a blocking ring 41, and the distance from the maximum outer diameter of the blocking ring 41 to the inner diameter 20 of the protective retainer ring 2 is smaller than the wall thickness of the flexible pipe (5).
The retaining ring 4 blocks the flexible pipe 5 from entering the interior of the pipe unless the end of the flexible pipe 5 is chamfered, forming a tapered nozzle 51 portion. Therefore, the flexible pipe 5 must be port chamfered with a chamfering tool between installations of the present quick-insertion pipe fitting. The purpose is as follows: firstly, the damage to the sealing ring 11 caused by the insertion of the flexible pipe 5 is prevented; secondly, the taper pipe orifice 51 carries out forward pressure on the inserted clamping ring 3 to prevent the flexible pipe 5 from propping and being incapable of being pushed; and thirdly, the orifice of the flexible pipe 5 is maintained, so that the orifice is smooth and has no burrs, the cutting defect is avoided, and the pipe fitting connection is ensured to be safer and more reliable.
The limit stop 4 is made of elastic plastic material, and the blocking ring 41 is provided with more than 2 notches 42. In the embodiment, the number of the slits 42 is 6. As shown in fig. 2, after insertion of the flexible tube 5, the barrier ring 41 is retracted inwardly.
As shown in fig. 3, the elastic portion 32 in which the snap ring 3 is inserted is a rubber structure 33 capable of compressing in length. The rubber structure 33 has a wave shape, can be extended and shortened, and always maintains a certain length of extension elasticity. The corrugated structure is adopted, so that the space can be effectively utilized, the flexible pipe can be contracted in the transverse direction, the change space is not large in the longitudinal direction, and the flexible pipe 5 can be kept to enter smoothly. The embedding head part 30 and the elastic part 32 of the embedding snap ring 3 are two different materials combined.
As shown in fig. 4 to 5, in a second preferred embodiment, a quick-insert tube of a flexible tube comprises a tube body 1 having at least one end 10, a sealing ring 11 is provided on the end 10, a protection collar 2 is further provided on the outer ring of the end, a groove portion 13 having a slope 12 is provided at the rear end of the sealing ring 11, an insert snap ring 3 is provided on the groove portion 13, and a limit collar 4 is further provided at the front end of the sealing ring 11; the inner diameter 20 of the protection clamping ring 2 is not more than 0.7 mm of the outer diameter of the flexible pipe 5; the front section of the inserted snap ring 3 is an embedded head part 30 which is matched with the slope 12 and is provided with an inner chamfer, and the outer diameter of the embedded head part 30 is provided with a pawl structure 31; the rear end of the insert snap ring 3 is also provided with an elastic portion 32 for urging the insert head portion 30 to climb the slope 12. The overall structure is generally similar to that of the above-described embodiment.
The bottom of the limiting retainer ring 4 is limited in the limiting groove 14, the top of the limiting retainer ring is contacted with the inner diameter 20 of the protective retainer ring 2, and the bottom of the limiting retainer ring is also provided with a taper structure 49 with the inclination higher than that of the sealing ring 11 and the pawl structure 31; the front end of the limit baffle 4 is also provided with a wrapping groove 48 for placing the port of the flexible pipe 5.
In this scheme, restriction retaining ring 4 has 5 mouths of pipe of flexible pipe and does not do the chamfer, the function that can insert smoothly again. 5 mouth of pipe chamfers of flexible pipe need dedicated chamfer instrument, under the instrument condition not, implements this scheme more swiftly and convenient. When the flexible pipe 5 is inserted into the pipe fitting, the limiting retainer ring 4 is taken out of the limiting groove 14, the limiting retainer ring 4 is pushed to the bottom of the nozzle head 10, the taper structure 49 of the limiting retainer ring 4 can prevent the sealing ring 11 from being scratched, and the inverted tooth structure 31 of the inserting and embedding clamp ring 3 is pushed. In addition, the tail part of the protection retainer ring 2 is provided with an elastic opening 23, and whether the limiting retainer ring 4 appears or not can be observed through the elastic opening 23, so that whether the flexible pipe is installed in place or not is judged.
Certainly, the protection clamping ring 2 is not provided with the elastic opening 23, the protection clamping ring 2 is designed to be transparent, the position of the limit check ring 4 pushed by the flexible pipe 5 can be seen, and whether the pipe is installed in place or not can be identified. In addition, the protection clamping ring 2 is designed to be transparent, the main body presents the surface color of the flexible pipe 5, the color of the whole pipeline is uniform, the style is consistent, and the surface installation is more beautiful and beautiful.
As shown in fig. 5, the elastic portion 32 of the insert snap ring 3 is a spring structure 34. The spring structure 34 always keeps the forward-propelling state of the inserting and embedding snap ring 3, and the pipe is prevented from loosening from the pipe fitting.
The invention provides a novel scheme for quickly inserting a pipe into a flexible pipe, wherein a clamping structure is designed at the inner wall of the flexible pipe with a better fastening position, and the clamping structure is clamped into the clearance of the flexible pipe through elastic force to prevent the pipe from being pulled out. In addition, a limiting retainer ring is arranged at the nozzle head of the pipe fitting to optimize connection. The quick pipe inserting piece can avoid the problems in the prior art, and meanwhile, the quick pipe inserting piece is attractive in overall appearance, better in drawing performance, safer and more reliable in installation, novel in structure, low in cost of the implementation scheme, and better in practicability and market prospect.
Claims (10)
1. A quick-insertion pipe fitting of a flexible pipe comprises a pipe fitting main body (1) with at least one end of a nozzle head (10), wherein a sealing ring (11) is arranged on the nozzle head (10), a protective clamping ring (2) is arranged on the outer ring of the nozzle head, and the quick-insertion pipe fitting is characterized in that a groove part (13) with a head belt slope (12) is arranged at the rear end of the sealing ring (11), an inserting and embedding clamping ring (3) is arranged on the groove part (13), and a limiting clamping ring (4) is arranged at the front end of the sealing ring (11);
the inner diameter (20) of the protective clamping ring (2) is not more than 0.7 mm of the outer diameter of the flexible pipe (5);
the front section of the inserting and embedding clamp ring (3) is an embedding head part (30) which is matched with the slope (12) and is provided with an inner chamfer, and the outer diameter of the embedding head part (30) is provided with a pawl structure (31); the rear end of the inserting clamping ring (3) is also provided with an elastic part (32) for promoting the embedding head part (30) to climb the slope (12).
2. A quick-connect fitting for flexible pipe as claimed in claim 1, wherein: the limiting retainer ring (4) is fixed in the limiting groove (14), the fixing seat (40) in the limiting groove (14) extends forwards to form a blocking ring (41), and the distance from the maximum outer diameter of the blocking ring (41) to the inner diameter (20) of the protective retainer ring (2) is smaller than the wall thickness of the flexible pipe (5).
3. A quick-connect fitting for flexible pipe as claimed in claim 1, wherein: the bottom of the limiting retainer ring (4) is limited in the limiting groove (14), the top of the limiting retainer ring is in contact with the inner diameter (20) of the protective retainer ring (2), and the bottom of the limiting retainer ring is also provided with a taper structure (49) with the inclination higher than that of the sealing ring (11) and the pawl structure (31); the front end of the limiting retainer ring (4) is also provided with a wrapping groove (48) for placing the port of the flexible pipe (5).
4. A quick-connect fitting for flexible pipe as claimed in claim 1, wherein: the elastic part (32) of the inserted snap ring (3) is a rubber structure (33) with a compressible length.
5. A quick-connect fitting for flexible pipe as claimed in claim 1, wherein: the elastic part (32) of the inserted snap ring (3) is a spring structure (34).
6. A quick-connect fitting for flexible pipe as claimed in claim 1, wherein: the elastic part (32) and the embedded head part (30) of the embedded snap ring (3) are integrally of an elastic structure, a notch (35) is formed, and the inner diameter of the embedded snap ring (3) is larger than the outer diameter of the groove part (13).
7. A quick-connect fitting for flexible pipe as claimed in claim 1, wherein: the position of the embedded head part (30) of the embedded snap ring (3) is provided with a thickened part (22) on the protection collar (2).
8. A quick-insertion element for flexible pipes, as claimed in claim 1 or 7, characterized in that: the tail end of the protection clamping ring (2) is provided with a draw hook structure (21) matched with the tensioning groove (15) at the bottom end of the nozzle head (10).
9. A quick-insertion element for flexible pipes, as claimed in claim 1 or 3, characterized in that: the protective collar (2) is transparent, and the position of the limit retainer ring (4) pushed by the flexible pipe (5) can be seen.
10. A quick-insertion element for flexible pipes, as claimed in claim 1 or 3, characterized in that: the limiting retainer ring (4) is made of elastic plastic materials, and the blocking ring (41) is provided with more than 2 notches (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247588.6A CN111365545A (en) | 2020-03-31 | 2020-03-31 | Quick insertion pipe fitting of flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247588.6A CN111365545A (en) | 2020-03-31 | 2020-03-31 | Quick insertion pipe fitting of flexible pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111365545A true CN111365545A (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010247588.6A Pending CN111365545A (en) | 2020-03-31 | 2020-03-31 | Quick insertion pipe fitting of flexible pipe |
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| CN (1) | CN111365545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454820A (en) * | 2020-10-30 | 2021-03-09 | 李翱 | Plastic mold |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150056A2 (en) * | 2000-04-28 | 2001-10-31 | KE-KELIT Kunststoffwerk Gesellschaft m.b.H. | Connecting device for a plastic pipe |
| JP2006118704A (en) * | 2004-09-21 | 2006-05-11 | Hitachi Metals Ltd | Insertion type joint |
| CN101629660A (en) * | 2008-07-17 | 2010-01-20 | 东尾机械株式会社 | Pipe joint |
| JP2011089565A (en) * | 2009-10-21 | 2011-05-06 | Aron Kasei Co Ltd | Pipe joint |
| JP2011202784A (en) * | 2010-03-26 | 2011-10-13 | Inoac Housing & Construction Materials Co Ltd | Pipe joint |
| WO2015024993A1 (en) * | 2013-08-23 | 2015-02-26 | Stefan Postler | Insertion part, method for connection between an insertion part, a pipe part, and a sleeve part and insertion part for introduction of a pipe end |
| JP5800975B1 (en) * | 2014-10-03 | 2015-10-28 | 井上スダレ株式会社 | Pipe fitting |
| JP2016008630A (en) * | 2014-06-23 | 2016-01-18 | 株式会社イノアック住環境 | Flexible pipe with joint |
| JP2016109170A (en) * | 2014-12-03 | 2016-06-20 | Ｊｆｅ継手株式会社 | Socket-and-spigot type pipe joint |
| CN205938285U (en) * | 2016-07-29 | 2017-02-08 | 宏岳塑胶集团股份有限公司 | Quick pipe fitting of formula of cuting straightly |
| CN107166133A (en) * | 2017-05-13 | 2017-09-15 | 黄德修 | Repair the pipeline direct pipe fitting of pincers-pressed type |
| CN207437994U (en) * | 2017-09-20 | 2018-06-01 | 上海飞斯耐暖通科技有限公司 | A kind of new quick coupling |
| CN208348722U (en) * | 2018-05-30 | 2019-01-08 | 浙江伟星新型建材股份有限公司 | A kind of position limiting structure preventing non-chamfering tubing insertion pipe fitting |
| CN109661532A (en) * | 2016-09-02 | 2019-04-19 | 株式会社普利司通 | Pipe fitting and fixture structural unit |
| CN208997526U (en) * | 2018-09-29 | 2019-06-18 | 日丰科技有限公司 | Pipe fitting joint structure |
| CN209960045U (en) * | 2019-01-23 | 2020-01-17 | 日丰企业(天津)有限公司 | Connecting pipe fitting |
-
2020
- 2020-03-31 CN CN202010247588.6A patent/CN111365545A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150056A2 (en) * | 2000-04-28 | 2001-10-31 | KE-KELIT Kunststoffwerk Gesellschaft m.b.H. | Connecting device for a plastic pipe |
| JP2006118704A (en) * | 2004-09-21 | 2006-05-11 | Hitachi Metals Ltd | Insertion type joint |
| CN101629660A (en) * | 2008-07-17 | 2010-01-20 | 东尾机械株式会社 | Pipe joint |
| JP2011089565A (en) * | 2009-10-21 | 2011-05-06 | Aron Kasei Co Ltd | Pipe joint |
| JP2011202784A (en) * | 2010-03-26 | 2011-10-13 | Inoac Housing & Construction Materials Co Ltd | Pipe joint |
| WO2015024993A1 (en) * | 2013-08-23 | 2015-02-26 | Stefan Postler | Insertion part, method for connection between an insertion part, a pipe part, and a sleeve part and insertion part for introduction of a pipe end |
| JP2016008630A (en) * | 2014-06-23 | 2016-01-18 | 株式会社イノアック住環境 | Flexible pipe with joint |
| JP5800975B1 (en) * | 2014-10-03 | 2015-10-28 | 井上スダレ株式会社 | Pipe fitting |
| JP2016109170A (en) * | 2014-12-03 | 2016-06-20 | Ｊｆｅ継手株式会社 | Socket-and-spigot type pipe joint |
| CN205938285U (en) * | 2016-07-29 | 2017-02-08 | 宏岳塑胶集团股份有限公司 | Quick pipe fitting of formula of cuting straightly |
| CN109661532A (en) * | 2016-09-02 | 2019-04-19 | 株式会社普利司通 | Pipe fitting and fixture structural unit |
| CN107166133A (en) * | 2017-05-13 | 2017-09-15 | 黄德修 | Repair the pipeline direct pipe fitting of pincers-pressed type |
| CN207437994U (en) * | 2017-09-20 | 2018-06-01 | 上海飞斯耐暖通科技有限公司 | A kind of new quick coupling |
| CN208348722U (en) * | 2018-05-30 | 2019-01-08 | 浙江伟星新型建材股份有限公司 | A kind of position limiting structure preventing non-chamfering tubing insertion pipe fitting |
| CN208997526U (en) * | 2018-09-29 | 2019-06-18 | 日丰科技有限公司 | Pipe fitting joint structure |
| CN209960045U (en) * | 2019-01-23 | 2020-01-17 | 日丰企业(天津)有限公司 | Connecting pipe fitting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454820A (en) * | 2020-10-30 | 2021-03-09 | 李翱 | Plastic mold |
| CN112454820B (en) * | 2020-10-30 | 2023-07-04 | 广东恒天达刀剪有限公司 | Plastic mould |
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