CN109944994B - Fluid connector assembly and fluid connector thereof - Google Patents
Fluid connector assembly and fluid connector thereof Download PDFInfo
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- CN109944994B CN109944994B CN201711396681.8A CN201711396681A CN109944994B CN 109944994 B CN109944994 B CN 109944994B CN 201711396681 A CN201711396681 A CN 201711396681A CN 109944994 B CN109944994 B CN 109944994B
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Abstract
The invention relates to a fluid connector assembly and a fluid connector thereof. Fluid connector, including the connector housing that the axis extends along the fore-and-aft direction, be equipped with on being equipped with valve core structure and the connector housing in the inner chamber of connector housing along its radially extended mounting hole, the direction removes in the mounting hole and is equipped with the retaining member, the retaining member has the locking passageway that is used for supplying the inserted end of adaptation fluid connector to pass through, and still including being used for right the retaining member provides the elastic component of elasticity restoring force, the retaining member includes the overhang portion of overhanging the connector housing outside, the elastic component sets up the overhang portion with between the connector housing. Because the elastic component sets up in the connector housing outside, operating space is great, the assembly of being convenient for, simultaneously, need not to dismantle the retaining member when needing to be changed the elastic component, the change operation of elastic component is also very convenient.
Description
Technical Field
The invention relates to a fluid connector assembly and a fluid connector thereof.
Background
With the development of electrical components in electrical equipment towards high frequency, high density and high integration, the problem of heat dissipation of the equipment is more and more prominent, and the liquid cooling heat dissipation technology has become a preferred solution to the problem due to its high-efficiency heat dissipation performance. At present, the liquid cooling heat dissipation technology is widely applied to the fields of aviation, aerospace, electronics, ships, communication, wind power, electric vehicles and the like.
The fluid connector is used as an important component in a liquid cooling system, and has the main function of realizing the quick connection and disconnection between fluid passages such as a liquid cooling pipeline, a liquid cooling cold plate and the like, so that the equipment is convenient to debug and maintain, and particularly on occasions where the equipment needs to be dismounted for many times and debugged for many times. One conventional fluid connector is disclosed in chinese patent application publication No. CN 106917926A, which includes a male plug and a female plug, the male plug includes a first sleeve, a second sleeve and a third sleeve, a first valve element is slidably assembled in an inner cavity of the third sleeve along an axial direction thereof, a locking groove is formed on a sidewall of the first sleeve of the male plug, the female plug includes a first sleeve of the female plug and a second sleeve of the female plug, a locking pin shaft is arranged on an outer circumference of the second sleeve of the female plug, a second valve element is arranged in an inner cavity of the second sleeve of the female plug, when the male plug is inserted into the female plug, the female plug is inserted into the male plug, the pin shaft on the female plug enters the locking groove on the male plug, the female plug is rotated in place to lock the pin shaft in the axial groove of the locking groove, the third sleeve on the male plug pushes the second valve element to move towards the second sleeve of the female plug during the insertion, meanwhile, the second sealing disc pushes the first valve core to move, and finally, the inner cavity of the third sleeve of the male plug is communicated with the inner cavity of the second sleeve of the female plug, so that the male plug is communicated with the fluid in the female plug. When the fluid connector is plugged and unplugged, the male plug and the female plug can rotate relatively only by holding the male plug and the female plug respectively with two hands, so that locking or unlocking is realized, and the operation process is complex.
Aiming at the problem of quick locking and unlocking of a connector, the Chinese patent document with the granted publication number of CN 102900907B discloses a quick connector, which comprises a fixed connector and a movable connector, wherein the fixed connector is provided with a mounting hole extending in the radial direction, a button is movably and guidingly assembled in the mounting hole, the button is provided with a button channel for an insertion end of the movable connector to pass through, the button channel is provided with a stop block, the periphery of the movable connector is provided with a step with a conical structure, in the process of inserting the movable connector into the fixed connector, the conical surface of the conical section pushes the stop block to enable the button to move towards a pressure spring until the conical section passes over the stop block, and then the button resets under the elasticity of the pressure spring to enable the stop block to be matched with the step stop on the movable connector, so that the fixed connector and the movable connector are in locking connection; when unlocking, the button is pressed, so that the stop block on the button is separated from the step on the movable joint to complete unlocking. The quick connector can automatically realize locking by directly inserting the movable plug into the fixed plug when being plugged, can realize unlocking by pressing the button when unlocking, and is convenient to operate. However, in order to limit the button in the fixed housing and ensure that the button can be reset after being pressed, an elastic member for providing elasticity for the button needs to be arranged, the elastic member is a cylindrical spring arranged in the fixed housing, and the elastic member is arranged in the mounting hole and is positioned between the side wall of the button and the bottom of the mounting hole; on the other hand, the later stage spring needs to be dismantled parts such as button promptly locking piece and hasp when changing, and the operation is also very inconvenient.
Disclosure of Invention
The invention aims to provide a fluid connector with a press unlocking function, which solves the problem that the installation and replacement operation of an elastic piece are inconvenient because the elastic piece is arranged in the connector in the conventional fluid connector; meanwhile, the invention also provides a fluid connector assembly using the fluid connector.
In order to achieve the purpose, the fluid connector adopts the following technical scheme:
scheme 1: fluid connector, including the connector housing that the axis extends along the fore-and-aft direction, be equipped with on being equipped with valve core structure and the connector housing in the inner chamber of connector housing along its radially extended mounting hole, the direction removes in the mounting hole and is equipped with the retaining member, the retaining member has the locking passageway that is used for supplying the inserted end of adaptation fluid connector to pass through, and still including being used for right the retaining member provides the elastic component of elasticity restoring force, the retaining member includes the overhang portion of overhanging the connector housing outside, the elastic component sets up the overhang portion with between the connector housing. Because the elastic component sets up in the connector housing outside, operating space is great, the assembly of being convenient for, simultaneously, need not to dismantle the retaining member when needing to be changed the elastic component, the change operation of elastic component is also very convenient.
Scheme 3, further improvement is carried out on the basis of scheme 2 to obtain: the overhanging part overhangs towards the direction deviating from the plugging end of the socket, so that the operation is convenient.
Scheme 4, further improvement is carried out on the basis of scheme 1 to obtain: the overhanging end of the overhanging portion is tilted upwards in the direction away from the connector shell, and the overhanging end is stressed firstly when other parts touch the overhanging portion, so that accidental unlocking is avoided.
Scheme 5, further improvement is carried out on the basis of scheme 1 to obtain: the overhanging part is provided with an operating part used for pressing operation.
Scheme 6, further improve on any one in scheme 1~5 and obtain: the elastic piece is a cylindrical spring.
Scheme 7, further improvement is carried out on the basis of scheme 6 to obtain: at least one of the overhanging part and the connector shell is provided with a spring mounting hole for mounting the cylindrical spring.
The fluid connector assembly adopts the following technical scheme:
scheme 1: fluid connector subassembly, including plug and socket, the plug includes plug housing and sets up and plug case structure in the plug housing, the socket includes the socket casing that the axis extends along the fore-and-aft direction, be equipped with on socket case structure and the socket casing in the inner chamber of socket casing and be equipped with along its radially extended mounting hole, the direction removes in the mounting hole and is equipped with the retaining member, the retaining member has the locking passageway that is used for supplying inserting the end of plug to pass through, and the socket is still right including being used for the retaining member provides the elastic component of elasticity restoring force, the retaining member is including the overhanging portion to the socket casing outside, the elastic component sets up overhanging portion with between the socket casing.
Scheme 3, further improvement is carried out on the basis of scheme 2 to obtain: the overhang portion overhangs toward a direction away from the mating end of the receptacle.
Scheme 4, further improvement is carried out on the basis of scheme 1 to obtain: the overhanging end of the overhanging portion is tilted in a direction away from the socket housing.
Scheme 5, further improvement is carried out on the basis of scheme 1 to obtain: the overhanging part is provided with an operating part used for pressing operation.
Scheme 6, further improve on any one in scheme 1~5 and obtain: the elastic piece is a cylindrical spring.
Scheme 7, further improvement is carried out on the basis of scheme 6 to obtain: at least one of the overhanging part and the socket shell is provided with a spring mounting hole for mounting the cylindrical spring.
Drawings
Fig. 1 is a schematic structural view (a plug-and-lock state) of embodiment 1 of a fluid connector assembly of the present invention;
FIG. 2 is a schematic structural view of the socket housing of FIG. 1;
FIG. 3 is a schematic diagram of an external structure of the socket housing;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of the plug of FIG. 1;
FIG. 6 is a schematic view of the plug and socket during mating;
FIG. 7 is a schematic view of the plug and receptacle during unlocking;
FIG. 8 is a schematic view of the plug and socket after unlocking is complete;
fig. 9 is a schematic structural view of a receptacle housing in embodiment 2 of the fluid connector assembly of the present invention;
in the drawings: 1. a plug; 2. a socket; 11. a plug housing; 12. a baffle ring; 13. a sealing block; 14. a sealing block spring; 15. stopping the step; 21. a socket housing; 22. a tail housing; 23. a sealing rod; 24. a seal ring; 25. a locking member; 26. a locking member spring; 211. blocking the platform; 221. circling the clamp spring; 241. a seal ring spring; 251. an insertion part; 252. an overhanging portion; 253. a conical surface; 254. a barb; 255. an arc-shaped guide surface; 256. and locking the channel.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In embodiment 1 of the fluid connector assembly of the present invention, as shown in fig. 1 to 8, the fluid connector assembly includes a plug 1 and a socket 2, the plug includes a plug housing 11 and a plug valve core structure disposed in the plug housing 11, and the plug housing 11 is provided with a stopping step 15. In this embodiment, the stopping step 15 on the plug housing 11 is a ring platform structure disposed around the outer circumference of the plug housing 11, and the front end of the stopping step 15 is connected to the plug housing 11 through a tapered surface, so that the stopping step 15 can be locked and engaged with the socket no matter how the plug rotates in the circumferential direction.
The socket comprises a socket shell 21 with an axis extending along the front-back direction, a socket valve core structure is arranged in the inner cavity of the socket shell 21, a mounting hole extending along the radial direction is arranged on the socket shell 21, a locking member 25 assembled in a guiding and moving manner in the mounting hole is connected with an elastic member providing elastic reset force for the locking member 25, the locking member 25 is provided with a locking channel 256 for allowing an insertion end of a plug to pass through, a locking structure matched with a stopping step 15 on the plug shell 11 in a locking manner is arranged in the locking channel 256, the locking member 25 is provided with an elastic barb 254 which is overhung and can deform and shrink in a pressing manner by being in abutting fit with the side wall of the mounting hole, and an avoiding space for allowing the barb 254 to deform outwards after the locking member 25 is mounted in place is arranged on the socket shell 21 and the mounting hole, and a stopping structure used for stopping and matching with the deformed barb 254 is arranged at the avoiding space.
The rear end of the socket housing 21 is fitted with a rear housing 22 by a side-by-side circlip 221 for connection with a respective liquid cooling line.
As shown in fig. 4, the mounting hole radially penetrates through the socket housing 21, the avoiding space is a space formed at the lower opening of the mounting hole, and the stopping structure is disposed on the sidewall at the lower opening of the mounting hole, specifically, the stopping structure is a stopping platform 211 disposed on the sidewall of the mounting hole. The mounting hole is radially arranged to penetrate through the socket housing 21, and the stopping structure is arranged to be the stopping platform 211 on the side wall of the mounting hole, so that the structure is simple, and the mounting hole is prevented from being arranged to be a blind hole and then being processed and manufactured complicatedly.
In the present embodiment, as shown in fig. 2 and 3, the lock 25 includes a insertion portion 251 for insertion into the mounting hole and an overhanging portion 252 for pressing operation that overhangs in the axial direction of the receptacle housing 21, an upper side surface of the overhanging portion 252 is an operating portion for operation, and the elastic member is a cylindrical spring, i.e., a lock spring 26, provided between the overhanging portion 252 and the receptacle housing 21.
The insertion portion 251 is embodied in a plate-like structure, so that the dimension of the component in the axial direction can be locked, thereby reducing the dimension of the socket in the axial direction and reducing the volume of the socket, and correspondingly, the mounting hole is also provided as a flat hole adapted to the insertion portion 251. Overhang 252 is disposed outside of receptacle housing 21 and overhangs toward the rear end of the receptacle, i.e., away from the mating end, thus increasing the operable area of overhang 252 for ease of handling, while retaining member spring 26 is disposed between overhang 252 and receptacle housing 21 so that retaining member spring 26 is outside of the connector for ease of assembly. Simultaneously the rear end of overhanging portion upwards perks certain angle to the direction of keeping away from socket casing, like this when external member unexpected contact overhanging portion, makes overhanging portion's overhanging end atress at first, and can be for stiff end downwardly deforming after the overhanging end atress, applys torsional force to the insertion portion, and can not make the insertion portion receive radial ascending power, avoids unexpected unblock. Mounting holes for mounting the retaining member spring 26 are provided in both the overhanging portion 252 and the receptacle housing 21 to limit the same and prevent the spring from coming off.
In this embodiment, as shown in fig. 4, the barb 254 is an angular structure with a smaller head, the outer side of the angular structure is provided with two arc-shaped guiding surfaces 255, the two barbs 254 are oppositely arranged on the inserting portion 251 of the locking member 25, and the stopping structure, i.e., the stopping table 211, is arranged corresponding to the barb 254. The barb 254 is configured with a smaller head angle configuration so that the front end of the barb 254 is more easily deformed when pressed, thereby facilitating the barb 254 to deform through the mounting hole when passing through the mounting hole under pressure from the wall of the mounting hole. The barbs 254 are provided in two and opposite positions so as to ensure that the retaining member 25 is securely retained in the mounting hole and prevented from falling out. Meanwhile, the barb 254 is of a barb structure, so that the barb 254 is prevented from being deformed by stress when being in stop fit with the stopper 211, and the anti-falling performance of the barb 254 is ensured. The locking member 25 can be made of plastic material, so that the barb 254 can be arranged integrally with the locking member 25, the processing is convenient, and the cost is reduced. The outer side of the barb 254 is provided with an arcuate guide surface 255 for guiding when entering the mounting hole for ease of assembly.
The lower side of the locking channel 256 is provided with a tapered surface 253 which is used for being in abutting fit with the stopping step 15 on the plug housing 11 in the plug inserting process and the rear end of which is contracted towards the inner side of the socket housing, and the tapered surface 253 is in abutting fit with the stopping step 15 on the plug housing 11 in the plug inserting process, so that the locking member 25 is forced to move downwards, the locking channel 256 is integrally moved downwards, and the insertion end of the plug enters the locking channel 256. The locking structure is specifically a rear end surface of the locking member 25, and after the stopping step 15 passes over the tapered surface 253, the locking member 25 is reset under the elastic force of the spring, so that the rear end surface of the locking member 25 is in stopping fit with the stopping step 15, the plug and the socket are locked, and the plug is prevented from being pulled out. The barb is an elastic clamping piece arranged on the locking piece, the blocking platform is a blocking structure arranged on the socket shell, the locking piece with the barb radially enters the socket shell when being installed, namely the barb is radially arranged along the socket shell, the arrangement here means that the elastic clamping piece is radially arranged on the socket shell, and the elastic clamping piece is different from a lock catch in a Chinese patent document with an authorization publication number of CN 102900907B, the lock catch in the document is axially arranged in the socket shell, and the installation mode of the lock catch determines that the valve core structure can be disassembled when the lock catch is installed and disassembled.
As shown in fig. 5, the plug valve core structure includes a stop ring 12 and a sealing block 13 respectively disposed at the front end and the rear end of the inner cavity of the plug housing 11, wherein the sealing block 13 is movably assembled in the inner cavity of the plug housing 11, the stop ring 12 is connected with the plug housing through a thread, and a sealing block spring 14 is further disposed between the stop ring 12 and the sealing block 13, and the plug valve core structure is similar to the plug valve core structure in the prior art.
As shown in fig. 1, the receptacle valve core structure includes a sealing rod 23 disposed in the inner cavity of the receptacle housing and a sealing ring 24 sleeved on the front end of the sealing rod 23, and a sealing ring spring 241 for providing an elastic force to the sealing ring 24 is disposed in the inner cavity of the receptacle housing 21, and the receptacle valve core structure is similar to the receptacle valve core structure in the related art.
During the process of inserting the plug and the socket, as shown in fig. 6, the plug is fixed, an axial force F is applied to the socket, the inserting end of the plug enters the inner cavity of the socket housing 21 and enters the locking channel 256 of the locking member 25, the stopping step 15 on the socket housing 21 is in press fit with the tapered surface 253 on the locking member 25 during the inserting process, so that the locking member 25 moves downward in the radial direction relative to the socket housing 21, at this time, the locking member spring 26 is compressed until the stopping step 15 passes over the tapered surface 253, the locking member 25 is reset under the elastic force of the spring, as shown in fig. 1, the rear end surface of the locking member 25 is stopped on the stopping step 15. During the plugging process, the plug housing 11 presses the sealing ring 24 into the inner cavity of the socket housing 21 to make the sealing ring spring 241 in a compressed state, and the sealing rod 23 presses the sealing block 13 into the inner cavity of the plug housing 11 to make the sealing block spring 14 in a compressed state.
During the unlocking process of the plug and the socket, as shown in fig. 7, an unlocking force F in the radial direction of the socket housing is applied to the overhanging portion 252 of the locking member 25, the locking member 25 is forced to move downward in the radial direction of the mounting hole, and when the locking member 25 moves to the lower end thereof to disengage the rear end face from the stopping step 15, under the elastic force of the sealing ring spring 241 and the sealing block spring 14, the plug and the socket are moved relatively in the axial direction, so that the plug and the socket are completely unlocked, as shown in fig. 8.
This fluid connector subassembly only need exert the ascending effort of axial to plug and socket and can accomplish the locking and insert and close the connection when inserting and close, only need press the unlocking piece during the unblock and can accomplish the unblock operation, and operation process is simple and convenient. Meanwhile, the locking member 25 is connected with the socket housing 21 through the barb 254, so that the arrangement of structures such as an annular blocking edge and a lock catch in the socket housing 21 is avoided, the socket structure is simple, and the problem that the connector structure of the conventional fluid connector is complex due to the complex button mounting structure is solved.
Embodiment 3 of the fluid connector assembly of the present invention is the same as embodiment 1 except that the overhanging portion extends toward the plugging end of the receptacle in this embodiment, and will not be described again.
Embodiment 4 of the fluid connector assembly of the present invention is the same as embodiment 1 in that the overhanging portion extends in the radial direction of the socket, and thus the description thereof is omitted.
Embodiment 5 of the fluid connector assembly of the present invention, in which the cylindrical spring disposed between the overhanging portion and the receptacle housing is provided as a spring, is the same as embodiment 1, and will not be described again.
In the embodiment of the fluid connector of the present invention, the fluid connector has the same structure as the socket in the embodiment of the fluid connector assembly, and thus the description thereof is omitted.
Claims (12)
1. Fluid connector, including the connector housing that the axis extends along the fore-and-aft direction, be equipped with valve core structure in the inner chamber of connector housing and be equipped with on the connector housing along its radial extension's mounting hole, the direction removes in the mounting hole and is equipped with the retaining member, the retaining member has the locking passageway that is used for supplying the inserted end of adaptation fluid connector to pass through, still including be used for right the retaining member provides the elastic component of elasticity restoring force, its characterized in that: the locking member comprises an overhanging portion overhanging to the outer side of the connector shell and a plug portion for being plugged into the mounting hole, and the elastic member is arranged between the overhanging portion and the connector shell; the overhanging end of the overhanging portion is tilted upwards in the direction away from the connector shell, when an external component accidentally contacts the overhanging portion, the overhanging end of the overhanging portion is stressed firstly, and the overhanging end deforms downwards relative to the fixed end after being stressed, so that torsional force is applied to the insertion portion.
2. The fluid connector of claim 1, wherein: the overhang overhangs upwardly along the axis of the connector housing.
3. The fluid connector of claim 2, wherein: the overhang portion overhangs toward a direction away from the mating end of the connector housing.
4. The fluid connector of claim 1, wherein: the overhanging part is provided with an operating part used for pressing operation.
5. The fluid connector according to any one of claims 1 to 4, wherein: the elastic piece is a cylindrical spring.
6. The fluid connector of claim 5, wherein: at least one of the overhanging part and the connector shell is provided with a spring mounting hole for mounting the cylindrical spring.
7. Fluid connector subassembly, including plug and socket, the plug includes plug housing and sets up the plug case structure in plug housing, the socket includes the socket housing that the axis extends along the fore-and-aft direction, be equipped with the mounting hole that is equipped with on socket case structure and the socket housing along its radial extension in the inner chamber of socket housing, the direction removes in the mounting hole and is equipped with the retaining member, the retaining member has the locking passageway that the end of inserting that is used for supplying the plug passes through, and the socket is still including being used for right the retaining member provides the elastic component of elasticity restoring force, its characterized in that: the locking member comprises an overhanging portion overhanging to the outer side of the socket shell and a plug-in portion inserted into the mounting hole, and the elastic member is arranged between the overhanging portion and the socket shell; the overhanging end of the overhanging part tilts upwards in the direction away from the socket shell, when an external component accidentally contacts the overhanging part, the overhanging end of the overhanging part is stressed firstly, and the overhanging end deforms downwards relative to the fixed end after being stressed, so that torsional force is applied to the insertion part.
8. The fluid connector assembly of claim 7, wherein: the overhang portion overhangs in the axial direction of the receptacle housing.
9. The fluid connector assembly of claim 8, wherein: the overhang portion overhangs toward a direction away from the mating end of the receptacle.
10. The fluid connector assembly of claim 7, wherein: the overhanging part is provided with an operating part used for pressing operation.
11. The fluid connector assembly according to any one of claims 7-10, wherein: the elastic piece is a cylindrical spring.
12. The fluid connector assembly of claim 11, wherein: at least one of the overhanging part and the socket shell is provided with a spring mounting hole for mounting the cylindrical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396681.8A CN109944994B (en) | 2017-12-21 | 2017-12-21 | Fluid connector assembly and fluid connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396681.8A CN109944994B (en) | 2017-12-21 | 2017-12-21 | Fluid connector assembly and fluid connector thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944994A CN109944994A (en) | 2019-06-28 |
| CN109944994B true CN109944994B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711396681.8A Active CN109944994B (en) | 2017-12-21 | 2017-12-21 | Fluid connector assembly and fluid connector thereof |
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| CN (1) | CN109944994B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500463B (en) * | 2019-07-17 | 2021-08-20 | 华为技术有限公司 | Joint, cooling system and computer device |
| CN110792863A (en) * | 2019-11-15 | 2020-02-14 | 丹阳市裕桥精密元件有限公司 | Direct-insertion type steel ball self-locking fluid connector |
| CN114838217A (en) * | 2022-04-07 | 2022-08-02 | 倍仕得电气科技（杭州）股份有限公司 | Fluid connector and socket shell assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5683117A (en) * | 1995-12-14 | 1997-11-04 | Flex Technologies, Inc. | Retainer clip for a connector |
| US5911403A (en) * | 1996-04-12 | 1999-06-15 | Colder Products Company | Valve and method for assembling the same |
| CN203363488U (en) * | 2013-07-01 | 2013-12-25 | 宁波迪斯柏高压清洗设备有限公司 | Rapid disassembly and assembly structure between two connectors |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2248459A1 (en) * | 1973-10-19 | 1975-05-16 | Guillaumont Jean | Connection for inflatable tyre and valve - spring lever around body controls a radial locking plate |
| CN201193751Y (en) * | 2008-01-06 | 2009-02-11 | 杨晓勇 | Quick inserting joint |
| CN202580411U (en) * | 2012-04-01 | 2012-12-05 | 东莞祥富五金制品有限公司 | Direct-insert quick joint |
| CN204345133U (en) * | 2014-12-10 | 2015-05-20 | 福州聚众鑫电子科技有限公司 | A kind of quick release coupling with stop valve |
| CN106523824A (en) * | 2016-12-28 | 2017-03-22 | 苏州富强科技有限公司 | Rapid pipeline butt joint structure |
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2017
- 2017-12-21 CN CN201711396681.8A patent/CN109944994B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5683117A (en) * | 1995-12-14 | 1997-11-04 | Flex Technologies, Inc. | Retainer clip for a connector |
| US5911403A (en) * | 1996-04-12 | 1999-06-15 | Colder Products Company | Valve and method for assembling the same |
| CN203363488U (en) * | 2013-07-01 | 2013-12-25 | 宁波迪斯柏高压清洗设备有限公司 | Rapid disassembly and assembly structure between two connectors |
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| CN109944994A (en) | 2019-06-28 |
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