CN101629663A - Directly-inserted quick connector - Google Patents
Directly-inserted quick connector Download PDFInfo
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- CN101629663A CN101629663A CN200910075171A CN200910075171A CN101629663A CN 101629663 A CN101629663 A CN 101629663A CN 200910075171 A CN200910075171 A CN 200910075171A CN 200910075171 A CN200910075171 A CN 200910075171A CN 101629663 A CN101629663 A CN 101629663A
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- ring
- snap ring
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- conical surface
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Abstract
The invention relates to a directly-inserted quick connector used for solving the problem that a plugging element is easy to fail or the chucking force is insufficient. The directly-inserted quick connector comprises a connector body, an end cover and a lining positioned in the connector body. A sealing ring, a supporting pad, a chucking element and a pressing sleeve are sequentially arranged between the lining and the connector body. After improvement, the chucking element consists of a snap ring and spring rings; the snap ring consists of two split semi-rings; spring grooves opposite to each other are respectively arranged outside the semi-rings; the spring rings are positioned in the spring grooves; one side of the snap ring is provided with an inner conical surface and an outer conical surface; a chamfered-teeth bayonet is formed by the inner conical surface and an inner bevel adjacent to the inner conical surface. The directly-inserted quick connector adopts a chucking element structure formed by combining the two semi-rings with the spring rings, thereby effectively overcoming the defects that the performance after repeated use is poor and the chucking force is insufficient due to the lack of elasticity in a chucking structure. In addition, the lining and the connector body are fixedly connected and assembled by welding, and, compared with interference fit assembly, the fixed connection assembly by welding can lead to more reliable connection and good centering performance.
Description
Technical field
The present invention relates to a kind of pipeline connecting parts,, belong to the pipeline fitting technical field especially for the directly-inserted quick connector in the Automobile air braking line.
Background technique
Various vehicle air brake pipings are made up of interconnective flexible pipe and joint, between flexible pipe and the joint different getting types are arranged.At present, using more is the interlink lining structure, needs earlier flexible pipe and interlink lining joint to be fitted together in advance before this structure is used, when entrucking, the joint on union nut and the car is coupled together, this Placement wastes time and energy, interface is more, sealing is difficult for guaranteeing again.Other has the quick inserting joint that uses negative and positive to connect, and this structure also needs flexible pipe and male connector are fitted together in advance by ring before using, and male connector is plugged on negative joint during entrucking again, though this structure has been lacked an interface, keeps in repair very inconvenient.The third is direct insertion joint, this structure can realize pipe fitting grafting and dismounting fast, use more convenient, but the problem that exists is the core part Fastener of joint adopts opening copper ring or copper sheathing or Elastic Steel card, continuous plug back chucking lost efficacy because of copper and structure problem easily cause for opening copper ring and copper sheathing, and the requirement that steel card type structure does not reach pull-out force because card is thin, though, use still less in automobile pipeline field so up to the present direct insertion structural joint is pegged graft conveniently.
Summary of the invention
The present invention is used to solve the defective of above-mentioned prior art and provides a kind of and can use repeatedly, peg graft reliable and stable directly-inserted quick connector.
The alleged problem of the present invention solves by the following technical programs:
A kind of directly-inserted quick connector, comprise fittings body, end cap in the formation and be positioned at the lining of fittings body, be provided with seal ring, Support cushion, Fastener and clamping sleeve between described lining and the fittings body successively, its specialization is: described Fastener is made up of snap ring and spring ring, described snap ring is made of two split semi-rings, the spring groove that is provided with in each mutual correspondence in the semi-ring outside, spring ring is positioned at this spring groove, described snap ring one side is provided with inner conical surface, male cone (strobilus masculinus), and inner conical surface and the interior inclined-plane that is adjacent constitute the pawl bayonet socket.
Above-mentioned directly-inserted quick connector, described snap ring is provided with positioning ring outward, and the positioning ring both ends of the surface touch with Support cushion and clamping sleeve respectively.
Above-mentioned directly-inserted quick connector, described lining one side and fittings body seam.
Above-mentioned directly-inserted quick connector, described seal ring is the O RunddichtringO, is provided with two, is provided with dottle pin between two seal rings.
The present invention is directed to existing direct insertion joint plugs chucking continuously and easily lost efficacy or tightened hypodynamic problem and improve, its characteristics are as follows: 1. the Fastener structure that adopts two semi-rings and spring ring to combine, difference of usability repeatedly and the hypodynamic drawback of chucking that the elasticity deficiency of chucking structure own causes have been overcome, in addition, outside snap ring, set up positioning ring, can guarantee the fixed-site of Fastener; 2. lining and fittings body adopt the affixed assembling form of welding, compare general interference fit and have more reliable switching performance and good in neutrality; 3. above-mentioned Fastener is arranged on fittings body inside, does not have special-purpose discharging pipe device can't pull down flexible pipe, thereby has increased the Safety performance that plug uses greatly.The present invention has solved the shortcoming of direct insertion joint when keeping direct insertion joint advantage, compare with existing other automobile-used pipeline plug, and its superior function is self-evident.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the Fastener structural representation;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 is the schematic representation that directly-inserted quick connector of the present invention and flexible pipe are pegged graft.
Label is expressed as follows in the accompanying drawing: 1. end cap; 2. clamping sleeve; 2-1. compress the conical surface; 3. snap ring; 3-1. male cone (strobilus masculinus); 3-2. inner conical surface; 3-3. interior inclined-plane; 3-4. spring groove; 4. spring ring; 5. positioning ring; 6. Support cushion, 7. seal ring; 8. dottle pin; 9. fittings body; 10. lining; 11. flexible pipe.
Embodiment
Referring to Fig. 1, the present invention comprises fittings body 9, end cap 1 and is positioned at the lining 10 that fittings body is used to support flexible pipe in constituting, be provided with seal ring 7, Support cushion 6, Fastener and clamping sleeve 2 between lining and the fittings body successively, wherein, Fastener is a key technology of the present invention.
Referring to Fig. 1-Fig. 3, described Fastener is made up of snap ring 3 and spring ring 4, snap ring is made of two split semi-rings, the corresponding mutually spring groove 3-4 that is provided with in each semi-ring outside, spring ring promptly is positioned at this spring groove, be provided with inner conical surface 3-2, male cone (strobilus masculinus) 3-1 in snap ring one side, constitute the pawl bayonet socket with the interior inclined-plane 3-3 that is adjacent by inner conical surface.This split snap ring cooperates the good coil structures of elasticity, for the use repeatedly of Fastener provides guarantee, efficiently solve existing direct insertion joint copper sheathing, the copper slotted collar plugs back chucking inefficacy elastic problem continuously, it is little and do not reach pull-out force requirement problem also to have solved steel card clamping force simultaneously.Be provided with positioning ring 5 outside the snap ring 3, the positioning ring both ends of the surface touch with Support cushion 6 and clamping sleeve 2 respectively.The effect of positioning ring is the fixing position of snap ring, guarantee snap ring and lining to neutrality, so that the flexible pipe insertion.Adopt 7 sealings of twice O RunddichtringO in the plug body, two seal rings are separated, can make seal ring bring into play better seal action by dottle pin 8; Support cushion 6 is used to support snap ring and positioning ring is positioned at two seal rings and little dottle pin in the fixing space simultaneously; Clamping sleeve 2 be provided with snap ring male cone (strobilus masculinus) coupling compress conical surface 2-1.As seen from Figure 1, lining of the present invention adopts seam to be connected with fittings body, the interference fit connecting means reliability height that this connecting means is commonly used and good to neutrality.
Referring to Fig. 4, when the present invention is used for the pipeline grafting, pull up end cap 1, flexible pipe 11 is inserted along lining 10, the inner conical surface 3-2 of snap ring can play leading role in the flexible pipe insertion process.After flexible pipe injected, the pawl bayonet socket of snap ring tightened flexible pipe under the tightening force effect of spring ring 4, and when having the thickness of soft tube certain depth, flexible pipe and snap ring form one, play the effect of pre-chucking; When flexible pipe is subjected to outside power, flexible pipe drives snap ring and moves together, when moving to the compressing conical surface 2-1 and contact of snap ring male cone (strobilus masculinus) 3-1 and clamping sleeve 2, compress the conical surface and can give snap ring one tightening force, the pawl bayonet socket of snap ring meeting wedging thickness of soft tube is deeper and more like this, and when depth of tooth penetration reached a certain amount of, the snap ring inner cylindrical surface contacted with the flexible pipe outer wall, the flexible pipe banding, guarantee the pull-out force requirement.After flexible pipe is pegged graft, end cap cover is tight, prevent that impurity such as dust, water from entering in the fittings body.Need repairing when pulling down flexible pipe, end cap is pulled up, be pushed into snap ring inner conical surface place with special-purpose discharging pipe device along the flexible pipe outer wall, snap ring is strutted, make flexible pipe break away from the constraint of pawl bayonet socket, flexible pipe can be extracted.
Claims (4)
1. directly-inserted quick connector, comprise fittings body (9) in the formation, end cap (1) and be positioned at the lining (10) of fittings body, be provided with seal ring (7) between described lining and the fittings body successively, Support cushion (6), Fastener and clamping sleeve (2), it is characterized in that: described Fastener is made up of snap ring (3) and spring ring (4), described snap ring is made of two split semi-rings, the corresponding mutually spring groove (3-4) that is provided with in each semi-ring outside, spring ring is positioned at this spring groove, described snap ring one side is provided with inner conical surface (3-2), male cone (strobilus masculinus) (3-1), described inner conical surface and the interior inclined-plane (3-3) that is adjacent constitute the pawl bayonet socket.
2. directly-inserted quick connector according to claim 1, described snap ring (3) is outer to be provided with positioning ring (5), and the positioning ring both ends of the surface touch with Support cushion (6) and clamping sleeve (2) respectively.
3. directly-inserted quick connector according to claim 1 and 2 is characterized in that: described lining (10) one sides and fittings body (9) seam.
4. directly-inserted quick connector according to claim 3 is characterized in that: described seal ring (7) is the O RunddichtringO, is provided with two, is provided with dottle pin (8) between two seal rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910075171XA CN101629663B (en) | 2009-08-18 | 2009-08-18 | Directly-inserted quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910075171XA CN101629663B (en) | 2009-08-18 | 2009-08-18 | Directly-inserted quick connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629663A true CN101629663A (en) | 2010-01-20 |
| CN101629663B CN101629663B (en) | 2011-01-05 |
Family
ID=41574882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910075171XA Active CN101629663B (en) | 2009-08-18 | 2009-08-18 | Directly-inserted quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101629663B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216695A (en) * | 2013-04-24 | 2013-07-24 | 河北亚大汽车塑料制品有限公司 | Clamping ring, directly-inserting fast-inserting connector and braking system |
| CN110043732A (en) * | 2019-05-17 | 2019-07-23 | 成都富临精工电子电器科技有限公司 | A kind of reed-type quick connector structure |
| CN113795696A (en) * | 2019-05-02 | 2021-12-14 | I.V.A.R.股份公司 | Fitting for connecting pipes, in particular for connecting flexible pipes |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171051Y (en) * | 1993-12-01 | 1994-07-06 | 北京朗瑞尔塑料制品有限公司 | Quick-acting connector for waterpipe |
| CN2273364Y (en) * | 1996-06-03 | 1998-01-28 | 艾红新 | Clamping device for fire nozzle and hose |
| CN2344635Y (en) * | 1998-07-20 | 1999-10-20 | 高成庚 | Soft plastic waterpipe end-to-end fixing device |
| IT1318197B1 (en) * | 2000-07-19 | 2003-07-28 | Valsir Spa | CONNECTION DEVICE FOR PIPES, IN PARTICULAR FOR MULTILAYER COMPOSITE PIPES |
| CN2578649Y (en) * | 2001-04-03 | 2003-10-08 | 南海市和顺和兴五金厂 | Flexible pipe joints |
| US7575256B2 (en) * | 2003-08-06 | 2009-08-18 | National Coupling Company, Inc. | Bore liner for undersea hydraulic coupling |
| CN2655005Y (en) * | 2003-08-18 | 2004-11-10 | 韦留德 | Water supplying pipe joint for washer |
| KR20100031570A (en) * | 2007-05-30 | 2010-03-23 | 몰레큘러 임프린츠 인코퍼레이티드 | Template having a silicon nitride, silicon carbide or silicon oxynitride film |
| AU2008207510A1 (en) * | 2007-09-03 | 2009-03-19 | Ryco Hydraulics Pty Ltd | A staple for a hose coupling |
| ES1067747Y (en) * | 2008-04-17 | 2008-09-16 | Multitubo Montaje Y Distribuci | "ACCESSORY FOR QUICK CONNECTION OF PIPES" |
-
2009
- 2009-08-18 CN CN200910075171XA patent/CN101629663B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216695A (en) * | 2013-04-24 | 2013-07-24 | 河北亚大汽车塑料制品有限公司 | Clamping ring, directly-inserting fast-inserting connector and braking system |
| CN103216695B (en) * | 2013-04-24 | 2015-08-05 | 河北亚大汽车塑料制品有限公司 | Directly-inserted quick connector and braking system |
| CN113795696A (en) * | 2019-05-02 | 2021-12-14 | I.V.A.R.股份公司 | Fitting for connecting pipes, in particular for connecting flexible pipes |
| CN113795696B (en) * | 2019-05-02 | 2023-08-15 | I.V.A.R.股份公司 | Fitting for connecting pipes, in particular for connecting flexible pipes |
| CN110043732A (en) * | 2019-05-17 | 2019-07-23 | 成都富临精工电子电器科技有限公司 | A kind of reed-type quick connector structure |
| CN110043732B (en) * | 2019-05-17 | 2024-03-15 | 四川芯智热控技术有限公司 | Reed type quick connector structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101629663B (en) | 2011-01-05 |
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