CN201407447Y - Thread-locking type quick connector - Google Patents
Thread-locking type quick connector Download PDFInfo
- Publication number
- CN201407447Y CN201407447Y CN2009201194032U CN200920119403U CN201407447Y CN 201407447 Y CN201407447 Y CN 201407447Y CN 2009201194032 U CN2009201194032 U CN 2009201194032U CN 200920119403 U CN200920119403 U CN 200920119403U CN 201407447 Y CN201407447 Y CN 201407447Y
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- CN
- China
- Prior art keywords
- plug body
- socket
- return valve
- valve core
- rotary
- 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.)
- Expired - Fee Related
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
A thread-locking type quick connector comprises a connector body, a socket body and a plug body, wherein, the connector body is connected with a liquor feeding pipeline, the socket body is connected with the connector body through screw threads, and the front end of the plug body extends to the inner part of the socket body; the rear end of the plug body is connected with a drain pipeline; a locking outer sleeve is installed on the outer wall of the socket body; an annular protrusion is formed at the rear end of an inner hole of the locking outer sleeve; the annular protrusion is propped against a limiting step arranged on the outer wall of the front end of the socket body; the front end of the locking outer sleeve is connected with the outer wall of the plug body through the screw threads; check valve cores are movably installed inside the socket body and the plug body; the sizes and the structures of the two check valve cores are accordant, and the heads of the check valve cores areopposite; and compression springs are arranged at the tail parts of the two check valve cores. The thread-locking type quick connector has the advantages of simple structure, convenient and fast connection and firm connection, and can avoid the phenomenon of leakage or broken pipeline in the event of shake, impact, or drag of the pipeline, and the like, so that safety and reliability can be achieved; and in addition, the inner part of the thread-locking type quick connector can bear pressure as high as 70MPa.
Description
Technical field:
The utility model relates to a kind of joint that is installed in the fluid circuit, a kind of specifically joint that can make pipeline connect fast, disconnect fast.
Background technique:
Fluid quick joint has check function owing to energy fast insert-pull, unidirectional blocking, therefore at oil, chemical industry, metallurgy, water power, engineering machinery, boats and ships, obtains using very widely in the fields such as electromechanical equipment.Existing fluid quick joint only is applicable to the occasion of working pressure less than 35 MPas, too high pressure can make joint break, and its complex structure, the manufacture cost height, lock set is unclamped and is made splice failure outside might causing under the situation that drags pipeline or be impacted, shake, and influences the using effect and the safety in utilization of rapid pipe joint.Patent Office of the People's Republic of China is authorized on November calendar year 2001 28, notice of authorization number is " ultra-high pressure quick coupling " of " CN2462201Y ", it reaches the top rod back-up ring, safety check steel ball, the check-valve spring that are connected with it by outer connecting sleeve, interior connecting sleeve, intermediate connecting sleeve, Sealing, safety check top rod and forms, the interior edge face of interior connecting sleeve is a conical surface, the interior edge face of intermediate connecting sleeve is the right angle end face, conical surface contacts with the line that is connected to of right angle end face, can bear higher pressure.But the outer connecting sleeve of this product and intermediate connecting sleeve are just fixed the spacing of groove by steel ball, therefore connect to be easy to become flexible under the effect of external force.
The model utility content:
The purpose of this utility model is at the defective of above-mentioned prior art and deficiency, for fluid circuit provides a kind of simple in structure, convenient to use, is connected firmly, withstand voltage good rapid pipe joint.
Technical solution adopted in the utility model is for achieving the above object: this screw fastening compact form rapid pipe joint, it comprises the fittings body that links to each other with the feed liquor pipeline, stretch into plug body in the socket with fittings body by the socket that is threaded and front end, described plug body rear end links to each other with the fluid pipeline, described socket outer wall movable sheath is connected to locking jacket, endoporus rear end at locking jacket is provided with annular projection, this annular projection offsets with the limited step that is arranged on socket front end outer wall, described locking jacket front end and plug body outer wall are by being threaded, all be movably installed with non-return valve core in described socket and the plug body, the size structure unanimity of two non-return valve cores, its head is relative, is provided with pressure spring at the afterbody of two non-return valve cores.
Described non-return valve core comprises head Rotary-table and afterbody body, between the valve seat that described pressure spring is installed between the endoporus bottom of body and the fittings body respectively and the endoporus bottom of body and plug body are interior, described Rotary-table sidewall radially is provided with a plurality of runners hole that is communicated with non-return valve core afterbody body, is provided with the conical surface that is complementary with the Rotary-table side of corresponding non-return valve core on socket and plug body.
Offer annular groove on the Rotary-table of described non-return valve core, be embedded with seal ring in it, described annular groove is positioned at the front side in runner hole.
The outer surface of described locking jacket is provided with and rolls netted decorative pattern.
Described locking jacket front end is connected by the bull trapezoidal thread with the plug body outer wall.
The utility model is after the plug body front end enters socket, spin by locking jacket and plug body screw thread and to realize that the quick of pipeline is connected, has advantage simple in structure, convenient and fast connection, that be connected firmly, under situations such as vibrations, bump or pipeline drag, can not leak or phenomenon that pipeline disconnects, safe and reliable; And the working pressure that its inside can be born is big, reaches as high as 70 MPas, can be widely used in fields such as oil, metallurgy, water power, engineering machinery, boats and ships, electromechanical equipment.
Description of drawings:
Structural representation when Fig. 1 is the utility model pipeline connection.
Structural representation when Fig. 2 disconnects for the utility model pipeline.
Embodiment:
As described in Fig. 1, Fig. 2, the rapid pipe joint of the utility model screw fastening compact form comprise the fittings body 1 that links to each other with the feed liquor pipeline, with fittings body 1 by socket 3 that is threaded and the plug body 12 that cooperates with it, described plug body 12 rear ends link to each other with the fluid pipeline.Thread root at fittings body 1 is equipped with O RunddichtringO 2, prevents that fluid from leaking from the joint of fittings body 1 and socket 3.Described plug body 12 heads can stretch into the endoporus of socket 3, offer groove in the neutral position of socket 3 endoporus, in establish O RunddichtringO 8 and tetrafluoro back-up ring 9.This O RunddichtringO 8 can prevent that fluid from leaking from the joint of plug body 12 and socket 3; Described tetrafluoro back-up ring 9 can be protected O RunddichtringO 8, avoids it pulling out, damaging when inserting in plug body 12, the working life of prolongation O RunddichtringO 8.Described socket 3 outer wall movable sheaths are connected to locking jacket 7, are provided with annular projection 7a in the endoporus rear end of locking jacket 7, and this annular projection 7a can offset with the limited step 3a that is arranged on socket 3 front end outer walls.In plug body 12 is inserted sockets 3, described locking jacket 7 front ends can with plug body 12 outer walls by being threaded.For connection speed and the joint efficiency that improves rapid pipe joint, the screw thread on locking jacket 7 and the plug body 12 is the bull trapezoidal thread, so that locking jacket 7 is connected and dismounting fast with plug body 12.In order to make locking jacket 7 turns convenient, can be provided with at the outer surface of locking jacket 7 and roll netted decorative pattern.Be movably installed with non-return valve core 5 in the described socket 3, this non-return valve core 5 comprises head Rotary-table 5a and afterbody body 5b, radially be provided with a plurality of runners hole 5c that is communicated with non-return valve core 5 afterbody body 5b at Rotary-table 5a sidewall, on Rotary-table 5a, offer annular groove, be embedded with seal ring 6 in it, this annular groove is positioned at the front side of runner hole 5c.Between the endoporus bottom of the rear end body 5b of non-return valve core 5 and the fittings body 1 pressure spring 4 is installed, be provided with the conical surface 3b that is complementary with Rotary-table 5a side in the described socket 3, under the effect of pressure spring 4 restoring forces, conical surface 3b in the Rotary-table 5a of non-return valve core 5 and the socket 3 offsets, can be with the runner hole 5c sealing of non-return valve core 5, the seal ring 6 on the Rotary-table 5 can prevent escape of liquid.In the described plug body 12 same non-return valve core 5 ' is installed, comprises head Rotary-table 5a ', afterbody body 5b ', the runner hole 5c ' on Rotary-table 5a ' and the groove of seal ring 6 ' is installed, two non-return valve cores 5,5 ' head are relative.Plug body 12 is provided with the conical surface 12a that is complementary with the Rotary-table 5a ' side of corresponding non-return valve core 5 '.Non-return valve core 5 ' rear ends in the described plug body 12 are equipped with valve seat 10, offer groove at the through-hole wall of plug body 12, install porose with back-up ring 11, in order to spacing to the rear end of valve seat 10 in it.The endoporus of the rear end body 5b ' of described non-return valve core 5 ' bottom and and valve seat 10 between pressure spring 4 ' is installed, under the effect of pressure spring 4 ' restoring force, conical surface 12a in the Rotary-table 5a ' of non-return valve core 5 ' and the plug body 12 offsets, can be with the runner hole 5c ' sealing of non-return valve core 5 ', the seal ring 6 ' on the Rotary-table 5a ' can prevent escape of liquid.
When pipeline need connect, insert in the socket 3 plug body 12 front ends and turn locking jacket 7, locking jacket 7 is connected with the bull trapezoidal thread of plug body 12.Because the annular projection 7a of locking jacket 7 rear ends and the limited step 3a on the socket 3 offset, socket 3 can't be thrown off with plug body 12.Meanwhile, two non-return valve cores 5 in socket 3 and the plug body 12,5 ' head offset, and respectively with socket 3 on conical surface 3b and the conical surface 12a on the plug body 12 throw off, two non-return valve cores 5,5 ' runner hole 5c, 5c ' are connected, thereby reach the purpose that pipeline is communicated with fast.
When pipeline need disconnect, oppositely turn locking jacket 7 can make itself and plug body 12 throw off fast, plug body 12 can be pulled out from socket 3 then.Meanwhile, under the effect of pressure spring 4,4 ' restoring force, two non-return valve cores 5,5 ' respectively with socket 3 and plug body 12 in conical surface 3b, 12a offset, can be with non-return valve core 5,5 ' runner hole 5c, 5c ' sealing, thereby reach the purpose that pipeline disconnects, the seal ring that is arranged on the Rotary-table can prevent that pipeline from disconnecting the back escape of liquid.
Claims (5)
1, the rapid pipe joint of a kind of screw fastening compact form, it comprises the fittings body (1) that links to each other with the feed liquor pipeline, the plug body (12) that stretches into socket (3) by the socket (3) that is threaded and front end with fittings body (1), described plug body (12) rear end links to each other with the fluid pipeline, it is characterized in that described socket (3) outer wall is equipped with locking jacket (7), be provided with annular projection (7a) in the endoporus rear end of locking jacket (7), this annular projection (7a) offsets with the limited step (3a) that is arranged on socket (3) front end outer wall, described locking jacket (7) front end and plug body (12) outer wall are by being threaded, all be movably installed with non-return valve core (5 in described socket (3) and the plug body (12), 5 '), two non-return valve cores (5,5 ') size structure unanimity, its head is relative, at two non-return valve cores (5,5 ') afterbody is provided with pressure spring (4,4 ').
2, screw fastening compact form according to claim 1 rapid pipe joint, it is characterized in that described non-return valve core (5) comprises head Rotary-table (5a) and afterbody body (5b), described pressure spring (4) is installed between the endoporus bottom and fittings body (1) of body (5b), between the interior valve seat (10) of the endoporus bottom that described pressure spring (4 ') is installed on body (5b ') and plug body (12), described Rotary-table (5a) sidewall radially is provided with a plurality of runners hole (5c) that is communicated with non-return valve core afterbody body (5b), socket (3) is provided with the conical surface (3b) that is complementary with Rotary-table (5a) side of corresponding non-return valve core (5), and plug body (12) is provided with the conical surface (12a) that Rotary-table (the 5a ') side of corresponding non-return valve core (5 ') is complementary.
3, screw fastening compact form according to claim 2 rapid pipe joint is characterized in that (5a) offers annular groove on the Rotary-table of described non-return valve core (5), is embedded with seal ring (6) in it, and described annular groove is positioned at the front side of runner hole (5c).
4, according to claim 1 or 2 or 3 described screw fastening compact form rapid pipe joints, the outer surface that it is characterized in that described locking jacket (7) is provided with and rolls netted decorative pattern.
5,, it is characterized in that described locking jacket (7) front end is connected by the bull trapezoidal thread with plug body (12) outer wall according to claim 1 or 2 or 3 described screw fastening compact form rapid pipe joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201194032U CN201407447Y (en) | 2009-05-06 | 2009-05-06 | Thread-locking type quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201194032U CN201407447Y (en) | 2009-05-06 | 2009-05-06 | Thread-locking type quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407447Y true CN201407447Y (en) | 2010-02-17 |
Family
ID=41678381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201194032U Expired - Fee Related CN201407447Y (en) | 2009-05-06 | 2009-05-06 | Thread-locking type quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407447Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224263A (en) * | 2018-03-02 | 2019-09-10 | 中航光电科技股份有限公司 | Connector and its plug, socket |
| CN110224264A (en) * | 2018-03-02 | 2019-09-10 | 中航光电科技股份有限公司 | Connector and its plug |
-
2009
- 2009-05-06 CN CN2009201194032U patent/CN201407447Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224263A (en) * | 2018-03-02 | 2019-09-10 | 中航光电科技股份有限公司 | Connector and its plug, socket |
| CN110224264A (en) * | 2018-03-02 | 2019-09-10 | 中航光电科技股份有限公司 | Connector and its plug |
| CN110224264B (en) * | 2018-03-02 | 2020-10-30 | 中航光电科技股份有限公司 | Connector and plug thereof |
| CN110224263B (en) * | 2018-03-02 | 2021-04-06 | 中航光电科技股份有限公司 | Connector and plug and socket thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Weierkang Pneumatic Hydraulic Co., Ltd. Assignor: Lou Songqiao Contract record no.: 2011330001154 Denomination of utility model: Thread-locking type quick connector Granted publication date: 20100217 License type: Exclusive License Record date: 20110914 |
|
| EM01 | Change of recordation of patent licensing contract |
Change date: 20120925 Contract record no.: 2011330001154 Assignee after: Zhejiang Songqiao Pneumatic and Hydraulic Co., Ltd. Assignee before: Ningbo Weierkang Pneumatic Hydraulic Co., Ltd. |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20140506 |