CN110608335B - Fluid connector and fluid connector assembly - Google Patents
Fluid connector and fluid connector assembly Download PDFInfo
- Publication number
- CN110608335B CN110608335B CN201811582739.2A CN201811582739A CN110608335B CN 110608335 B CN110608335 B CN 110608335B CN 201811582739 A CN201811582739 A CN 201811582739A CN 110608335 B CN110608335 B CN 110608335B
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- Prior art keywords
- plug
- shell
- housing
- connector
- fluid
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
Abstract
The invention relates to a fluid connector and a fluid connector assembly, wherein the fluid connector comprises a plug-in shell which is used for being plugged with a matched fluid connector, the front end of the plug-in shell is a plug-in end, the rear end of the plug-in shell is rotatably and hermetically assembled with a pipeline connecting shell, and a connecting shell sealing ring is arranged between the pipeline connecting shell and the plug-in shell. The pipeline connecting shell is rotatably and hermetically assembled at the rear end of the plug-in shell, when a pipeline connected to the pipeline connecting shell is twisted, the twisted part can be unfolded by rotating the pipeline connecting shell, the twisting phenomenon of the pipeline is effectively avoided, and the problem that the pipeline is easily twisted when the fluid connector in the prior art is used is solved.
Description
Technical Field
The invention relates to a fluid connector and a fluid connector assembly.
Background
The fluid connector is used as an important component in a liquid cooling system, and has the main functions of realizing the quick connection and disconnection of fluid passages such as pipelines and cold plates, facilitating the debugging and maintenance of equipment, and particularly being used in occasions where the equipment needs to be dismounted and mounted for many times and debugged for many times.
Chinese patent publication No. CN1168171A, published as 1997.12.17, discloses a low-leakage large-flow quick connection valve assembly for connecting with a large-bore fluid line with internal pressure. The valve assembly includes a female connector and a male connector, each including a fluid passageway. Both the male and female coupling valves are pressure balanced to minimize the amount of coupling force required to lock the valve assembly and the amount of decoupling force required to disengage the valve assembly. Fluid loss or leakage is minimized. All spring members in the valve assembly are isolated from the fluid passage. The outer body of the female connector and the fluid conduit adapter, and the outer body of the male connector and the fluid conduit adapter are all connected by threads. The female connector and the male connector are both fluid connectors, wherein the female connector corresponds to a female connector, the male connector corresponds to a male connector, the outer body corresponds to a plug-in housing of the fluid connector, and the fluid conduit adapter corresponds to a pipeline connecting housing for connecting a pipeline on the fluid connector. The pipeline connecting shell and the inserting shell of the low-leakage large-flow quick connecting valve component are fixedly connected through threads, the pipeline connecting shell and the inserting shell are circumferentially and relatively fixed, and when the low-leakage large-flow quick connecting valve component is used, a pipeline connected to the pipeline connecting shell is easily twisted, so that the flowing of fluid is influenced.
Disclosure of Invention
The invention aims to provide a fluid connector to solve the problem that a pipeline is easily twisted when the fluid connector in the prior art is used; the present invention also provides a fluid connector assembly to solve the problem of the prior art that the fluid connector is easily twisted when in use.
The fluid joint adopts the following technical scheme:
the fluid connector comprises a plug-in housing for plug-in connection with a fluid connector of the adapter, the front end of the plug-in housing is a plug-in end, the rear end of the plug-in housing is rotatably and hermetically assembled with a pipeline connection housing, and a connection housing sealing ring is arranged between the pipeline connection housing and the plug-in housing.
The invention has the beneficial effects that: the pipeline connecting shell is rotatably and hermetically assembled at the rear end of the plug-in shell, when a pipeline connected to the pipeline connecting shell is twisted, the twisted part can be unfolded by rotating the pipeline connecting shell, the twisting phenomenon of the pipeline is effectively avoided, and stable flow of fluid is ensured. The problem of among the prior art fluid coupling cause the pipeline to kink easily when using is solved.
In order to enable the fluid connector to adapt to plugging and unplugging under pressure, the fluid connector is a male connector, a male connector valve core is movably assembled in the male connector along the plugging direction, and a connecting shell sealing ring is arranged on the rear end face of a plugging shell.
In order to enable the fluid connector to adapt to plugging and unplugging under pressure, the fluid connector is a female connector, a female connector valve core is fixed in the female connector, and the rear end of the female connector valve core is clamped between the rear end of the plugging shell and the pipeline connecting shell. The female joint valve core is clamped between the rear end of the plug-in shell and the pipeline connecting shell, so that a ring groove structure for mounting the female joint valve core can be prevented from being processed on the plug-in shell, and the female joint structure is simplified.
For the assembly between convenient pipeline connection casing and the grafting casing, in this scheme be equipped with the dress pothook by force on the pipeline connection casing, the pipeline connection casing is put into in the grafting casing by force through adorning the pothook by force so that the pipeline connection casing can be pegged graft the casing relatively and rotate.
The fluid joint assembly adopts the following technical scheme:
the fluid joint subassembly includes the fluid joint of two adaptations, the fluid joint is including being used for the grafting casing with the fluid joint grafting of adaptation, the front end of grafting casing is the grafting end, the rear end of grafting casing rotates sealedly and is equipped with the pipeline connection casing, be provided with between pipeline connection casing and the grafting casing and be connected the casing sealing washer.
The invention has the beneficial effects that: the pipeline connecting shell is rotatably and hermetically assembled at the rear end of the plug-in shell, when a pipeline connected to the pipeline connecting shell is twisted, the twisted part can be unfolded by rotating the pipeline connecting shell, the twisting phenomenon of the pipeline is effectively avoided, and stable flow of fluid is ensured. The problem of among the prior art fluid coupling cause the pipeline to kink easily when using is solved.
In order to enable the fluid connectors to adapt to plugging and unplugging under pressure, a male connector valve core is movably assembled in a male connector in the two adaptive fluid connectors in the scheme along the plugging direction, and a connecting shell sealing ring is arranged on the rear end face of a plugging shell.
In order to enable the fluid connectors to adapt to plugging and unplugging under pressure, a female connector valve core is fixed in a female connector in the two adaptive fluid connectors in the scheme, and the rear end of the female connector valve core is clamped between the rear end of the plugging shell and the pipeline connecting shell. The female joint valve core is clamped between the rear end of the plug-in shell and the pipeline connecting shell, so that a ring groove structure for mounting the female joint valve core can be prevented from being processed on the plug-in shell, and the female joint structure is simplified.
For the assembly between convenient pipeline connection casing and the grafting casing, in this scheme be equipped with the dress pothook by force on the pipeline connection casing, the pipeline connection casing is put into in the grafting casing by force through adorning the pothook by force so that the pipeline connection casing can be pegged graft the casing relatively and rotate.
Drawings
FIG. 1 is a schematic diagram of a male connector and a female connector of an embodiment of a fluid connector assembly of the present invention prior to mating;
FIG. 2 is a schematic view showing the male connector and the female connector of FIG. 1 in a connected state;
FIG. 3 is a view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the male connector and the female connector of FIG. 2 in a separated state of operation;
FIG. 5 is a perspective view of the male connector of FIG. 1;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a perspective view of the male connector line housing of FIG. 5;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is a perspective view of the female connector of FIG. 1;
FIG. 10 is a cross-sectional view of FIG. 9;
FIG. 11 is a view from the B-B direction of FIG. 10;
FIG. 12 is a perspective view of the female connector line housing of FIG. 9;
FIG. 13 is a front view of FIG. 12;
FIG. 14 is a perspective view of the locking member of FIG. 1;
FIG. 15 is a front view of FIG. 14;
FIG. 16 is a left side view of FIG. 15;
fig. 17 is a rear view of fig. 15.
In the figure: 1-box, 101-box plug housing, 102-box line connection housing, 103-box valve core, 104-box terminal, 105-box spring, 106-box line connection housing seal, 107-box terminal seal, 108-box valve core seal, 109-box forced snap hook, 110-lock mounting portion, 111-conical spring, 112-press unlocking portion, 113-lock portion, 114-stop portion, 115-box flow passage, 116-box annular groove, 117-box outer housing, 2-male, 201-male plug housing, 202-male line connection housing, 203-male valve core, 204-male spring, 205-male line connection housing seal, 206-male connector valve core sealing ring, 207-male connector plugging shell sealing ring, 208-male connector forced-installation clamping hook, 209-locking groove, 210-male connector flow channel, 211-male connector ring groove and 212-male connector outer shell.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment of the fluid connector assembly of the present invention, as shown in fig. 1 to 4, two mating fluid connectors of the fluid connector assembly are provided, one of the fluid connectors is a male connector 2, and the other is a female connector 1 mated with the male connector 2, and the direction of the arrow in fig. 1 is the plugging direction of the male connector 2 and the female connector 1. As shown in fig. 5 and 6, the male connector 2 includes a male connector insertion housing 201 to be inserted into the female connector 1, and a front end of the male connector insertion housing 201 is an insertion end of the male connector 2. The rear end of the male connector plug housing 201 is equipped with a male connector pipeline connection housing 202 in a rotating seal manner, in order to ensure the sealing performance between the male connector plug housing 201 and the male connector pipeline connection housing 202, a male connector pipeline connection housing seal ring 205 is arranged between the male connector pipeline connection housing 202 and the male connector plug housing 201 in this embodiment, and the male connector pipeline connection housing seal ring 205 is arranged on the rear end face of the male connector plug housing 201. The outer part of the male connector plugging shell 201 is also fixed with a male connector outer shell 212 which increases the softness of the hand feeling of the male connector 2.
In order to adapt to the plugging and unplugging of the fluid connector assembly under pressure, a male connector valve core 203 is axially and slidably assembled in the male connector plugging shell 201, and a male connector spring 204 for resetting the male connector valve core 203 is arranged between the male connector valve core 203 and the male connector plugging shell 201 in a propping manner. In order to ensure the sealing performance between the male connector spool 203 and the male connector plug housing 201 when the male connector 2 does not work, a male connector spool seal ring 206 for sealing with the male connector plug housing 201 is fixed on the outer peripheral surface of the male connector spool 203.
As shown in fig. 7 and 8, three male connector forcible-mounting hooks 208 are circumferentially spaced at the front end of the male connector pipeline connection housing 202, a male connector annular groove 211 is formed in the male connector insertion housing 201, and the male connector pipeline connection housing 202 is forcibly inserted into the male connector annular groove 211 of the male connector insertion housing 201 through the male connector forcible-mounting hooks 208. When the male connector pipe connection housing 202 is forcibly fitted into the male connector insertion housing 201, the position of the male connector pipe connection housing 202 in the male connector insertion housing 201 can be restricted by the blocking action between the male connector forcible fitting hook 208 and the male connector insertion housing 201. It should be noted that the male connector ring groove 211 is sized to allow the male connector line connection housing 202 to rotate relative to the male connector plug housing 201.
As shown in fig. 9 to 11, the female connector 1 includes a female connector insertion housing 101 inserted into the male connector 2, the front end of the female connector insertion housing 101 is an insertion end of the female connector 1, the rear end of the female connector insertion housing 101 is rotatably and sealingly assembled with a female connector line connection housing 102, in order to ensure the sealing property between the female connector insertion housing 101 and the female connector line connection housing 102, a female connector line connection housing seal 106 is provided between the female connector line connection housing 102 and the female connector insertion housing 101 in the present embodiment, and the female connector line connection housing seal 106 is fixed on the inner wall of the female connector line connection housing 102. And a female joint outer shell 117 for increasing the softness of the hand feeling of the female joint 1 is also fixed outside the female joint plugging shell 101.
In order to adapt to the pressurized plugging of the fluid connector assembly, a female connector valve core 103 is fixedly installed in the plugging shell in the embodiment, a female connector terminal 104 is assembled in an axial sliding and sealing mode, and a female connector spring 105 for resetting the female connector terminal 104 is sleeved on the female connector valve core 103. To simplify the structure of the female joint 1, a female joint valve body 103 in this embodiment is interposed between the rear end of the female joint plug housing 101 and the female joint line connection housing 102. In order to ensure the sealing between the female connector terminal 104 and the female connector housing 101, a female connector terminal seal ring 107 is fixed to the outer periphery of the female connector terminal 104 in this embodiment, and in order to ensure the sealing between the female connector valve spool 103 and the female connector terminal 104 when the female connector 1 is not in operation, a female connector valve spool seal ring 108 for sealing with the female connector housing 101 is fixed to the outer periphery of the female connector valve spool 103.
As shown in fig. 12 and 13, three female connector forcible fitting hooks 109 are circumferentially provided at intervals at the front end of the female connector pipeline connection housing 102, a female connector ring groove 116 is provided on the female connector insertion housing 101, and the female connector pipeline connection housing 102 is forcibly inserted into the female connector ring groove 116 of the female connector insertion housing 101 through the female connector forcible fitting hooks 109. When the female connector pipe line connection housing 102 is forcibly fitted into the female connector insertion housing 101, the position of the female connector pipe line connection housing 102 in the female connector insertion housing 101 can be restricted by the blocking action between the forcible fitting hook and the female connector insertion housing 101. It should be noted that the female connector ring groove 116 is sized to allow the female connector line coupling housing 102 to rotate relative to the female connector housing 101. As shown in fig. 1, in order to ensure the sealing property between the male connector insertion housing 201 and the female connector insertion housing 101 when the male connector 2 is inserted into the female connector, a male connector insertion housing sealing ring 207 for sealing with the female connector insertion housing 101 is fixed on the male connector insertion housing 201.
The pipeline connecting shells of the male connector 2 and the female connector 1 are rotatably and hermetically assembled at the rear end of the plug-in shell, when a pipeline connected to the pipeline connecting shell is twisted, the twisted part can be unfolded by rotating the pipeline connecting shell, the twisting phenomenon of the pipeline is effectively avoided, the stable flow of fluid is ensured, and the problem that the pipeline is easily twisted when the fluid connector is used in the prior art is solved.
In other embodiments, a ball bearing may be disposed between the plugging housing of the female or male connector and the pipeline connecting housing to enable rotation of the pipeline connecting housing relative to the plugging housing; a bearing can be arranged between the plug-in shell and the pipeline connecting shell to realize the rotation of the pipeline connecting shell relative to the plug-in shell; the female connector plug-in shell can be internally provided with a female connector valve core, and the male connector plug-in shell is internally provided with a male connector valve core, so that the fluid connector assembly does not have the function of plugging and unplugging under pressure.
In addition, in order to ensure that the male connector flow passage 210 of the male connector 2 is communicated with the female connector flow passage 115 of the female connector 1, and the male connector 2 is reliably connected with the female connector 1, the female connector insertion shell 101 is provided with a locking member installation part 110, a locking member is installed on the locking member installation part 110, and the locking member installation part 110 in the embodiment is surrounded by the female connector insertion shell 101 and the female connector outer shell 117. The lock is deformable, and when the lock is attached to the female connector 1, the lock is forcibly attached to the lock attachment portion 110 by deformation. The male connector plug-in housing 201 is provided with a locking groove 209 matched with the locking piece in a locking way. The locking piece is assembled on the female connector plug-in housing 101 in a sliding manner along the radial direction of the female connector plug-in housing 101, and the sliding stroke of the locking piece has a locking position for locking the male connector 2 and the female connector 1 and an unlocking position for releasing the locking effect. As shown in fig. 14 to 17, the lock member includes a lock portion 113 for locking engagement with a lock groove 209 on the male connector 2, and the lock member further includes a press unlocking portion 112 for pressing the lock member to move the lock member away from the lock position, and the press unlocking portion 112 and the lock portion 113 are disposed opposite to each other in the lock member sliding direction, and the direction of the arrow shown in fig. 4 is the pressing direction of the press unlocking portion 112. The female connector housing 101 is provided with an elastic member for applying a radial elastic force to the locking portion 113 to hold the locking portion 113 at the locking position, and the elastic member in this embodiment is a conical spring 111 press-fitted between the female connector housing 101 and the press unlocking portion 112.
In order to avoid the over-compression of the conical spring 111 and the adverse effect of the spring back, the locking member of the present embodiment is provided with a stopping portion 114 for stopping and matching with the female connector insertion housing 101 to limit the compression amount of the conical spring 111 when the unlocking portion 112 of the locking member is pressed. In order to limit the conical spring 111 in the axial direction of the female connector insertion housing 101, the stop portion 114 is a cylindrical structure inserted into a central hole of the conical spring 111, and a large diameter end of the conical spring 111 is disposed close to the axis of the female connector insertion housing 101, and a small diameter end is disposed far away from the axis of the female connector insertion housing 101.
The height of conical spring 111 in female joint plug-in housing 101 axial direction when the complete compression is only for the height of conical spring 111 round, conical spring 111 is compressible elasticity height at whole height under the natural extension state, compared with the elastic component adoption cylindrical spring among the prior art, conical spring 111's natural extension height is less than cylindrical spring's height far away under the condition of same amount of compression, correspondingly, the size of locking piece installation department 110 along female joint 1 radial direction that sets up on female joint plug-in housing 101 also reduces greatly, do benefit to the miniaturized design of female joint 1. The problem of among the prior art lock piece on the female joint 1 be unfavorable for the miniaturized design of female joint is solved.
In other embodiments, the locking member may not be provided with a stopper, and when the male connector and the female connector are unlocked, whether the male connector and the female connector are pressed in place is determined according to the pressing amount of the pressing unlocking part; a protrusion can also be arranged on the female connector plugging shell, and when the pressing unlocking part is pressed to a set position, the protrusion is in blocking fit with the pressing unlocking part; the stopping part can also be arranged in a staggered way with the central hole of the conical spring; the large-diameter end of the conical spring can be arranged far away from the axis of the female connector plug-in shell, and the small-diameter end of the conical spring is arranged close to the axis of the female connector plug-in shell.
In the specific embodiment of the fluid connector according to the present invention, the structure of the fluid connector in this embodiment is the same as that of the fluid connector described in the specific embodiment of the fluid connector assembly, and details thereof are not repeated.
Claims (6)
1. The fluid connector comprises a plug-in housing for plug-in connection with a matched fluid connector, and the front end of the plug-in housing is a plug-in end, and the fluid connector is characterized in that a pipeline connecting housing is rotatably and hermetically assembled at the rear end of the plug-in housing, and a connecting housing sealing ring is arranged between the pipeline connecting housing and the plug-in housing; the pipeline connecting shell is provided with a forced mounting clamping hook and is forcibly mounted in the plug-in shell through the forced mounting clamping hook so that the pipeline connecting shell can rotate relative to the plug-in shell; the plug-in shell is provided with a joint ring groove, and the pipeline connecting shell is forcibly arranged in the joint ring groove in the plug-in shell through a forcible clamping hook; the forced clamping hook is arranged on the pipeline connecting shell and is provided with a guide slope inclining to the direction opposite to the plugging direction.
2. The fluid connector as claimed in claim 1, wherein the fluid connector is a male connector, a male connector valve element is movably fitted in the male connector in the plugging direction, and a connection housing seal ring is provided on a rear end surface of the plugging housing.
3. The fluid connector according to claim 1, wherein the fluid connector is a female connector, a female connector valve body is fixed in the female connector, and a rear end of the female connector valve body is interposed between a rear end of the plug housing and the pipeline connection housing.
4. The fluid connector assembly comprises two adaptive fluid connectors, each fluid connector comprises an insertion shell for being inserted with the adaptive fluid connector, and the front end of each insertion shell is an insertion end; the pipeline connecting shell is provided with a forced mounting clamping hook and is forcibly mounted in the plug-in shell through the forced mounting clamping hook so that the pipeline connecting shell can rotate relative to the plug-in shell; the plug-in shell is provided with a joint ring groove, and the pipeline connecting shell is forcibly arranged in the joint ring groove in the plug-in shell through a forcible clamping hook; the forced clamping hook is arranged on the pipeline 1 connecting shell and is provided with a guide slope inclining to the direction opposite to the plugging direction.
5. A fluid connector assembly according to claim 4 wherein the male connector of the two mating fluid connectors has a male connector insert movably mounted therein in the plugging direction, the connection housing seal being provided on the rear face of the plug housing.
6. The fluid connector assembly of claim 4 wherein a female connector valve spool is secured within a female connector of two mating fluid connectors, the rear end of the female connector valve spool being sandwiched between the rear end of the plug housing and the line connection housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163059 | 2018-09-30 | ||
| CN2018111630597 | 2018-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110608335A CN110608335A (en) | 2019-12-24 |
| CN110608335B true CN110608335B (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811582739.2A Active CN110608335B (en) | 2018-09-30 | 2018-12-24 | Fluid connector and fluid connector assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN110608335B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000073691A1 (en) * | 1999-05-28 | 2000-12-07 | Richard Victor Vos | Swivel connector |
| CN2859167Y (en) * | 2005-11-07 | 2007-01-17 | 高大海 | Fast fluid connector assembly |
| CN103975188A (en) * | 2011-10-07 | 2014-08-06 | A·范德瓦尔克 | Coupling device, line path and line end section |
| CN104295839A (en) * | 2014-09-26 | 2015-01-21 | 杭州宇控机电工程有限公司 | Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector |
| CN104847992A (en) * | 2014-02-17 | 2015-08-19 | 史陶比尔法万举 | Bayonet coupling for the disconnectable connection of pipelines |
| CN105378360A (en) * | 2013-03-15 | 2016-03-02 | 菲斯卡公司 | Non-kinking fluid delivery hose |
| DE102016106485A1 (en) * | 2016-04-08 | 2017-10-12 | Bürkle Gmbh | Bayonet coupling for a fluid line |
| CN107429869A (en) * | 2014-07-29 | 2017-12-01 | 可得制品公司 | With spill male portion and the vertical quick coupling assembly of the tube axial for disengaging knob |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8028692B2 (en) * | 2006-03-09 | 2011-10-04 | Ric Investments, Llc | Multi-sectioned conduit assembly |
-
2018
- 2018-12-24 CN CN201811582739.2A patent/CN110608335B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000073691A1 (en) * | 1999-05-28 | 2000-12-07 | Richard Victor Vos | Swivel connector |
| CN2859167Y (en) * | 2005-11-07 | 2007-01-17 | 高大海 | Fast fluid connector assembly |
| CN103975188A (en) * | 2011-10-07 | 2014-08-06 | A·范德瓦尔克 | Coupling device, line path and line end section |
| CN105378360A (en) * | 2013-03-15 | 2016-03-02 | 菲斯卡公司 | Non-kinking fluid delivery hose |
| CN104847992A (en) * | 2014-02-17 | 2015-08-19 | 史陶比尔法万举 | Bayonet coupling for the disconnectable connection of pipelines |
| CN107429869A (en) * | 2014-07-29 | 2017-12-01 | 可得制品公司 | With spill male portion and the vertical quick coupling assembly of the tube axial for disengaging knob |
| CN104295839A (en) * | 2014-09-26 | 2015-01-21 | 杭州宇控机电工程有限公司 | Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector |
| DE102016106485A1 (en) * | 2016-04-08 | 2017-10-12 | Bürkle Gmbh | Bayonet coupling for a fluid line |
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| Publication number | Publication date |
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| CN110608335A (en) | 2019-12-24 |
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