CN109185587A - A kind of fluid quick joint - Google Patents
A kind of fluid quick joint Download PDFInfo
- Publication number
- CN109185587A CN109185587A CN201811091672.2A CN201811091672A CN109185587A CN 109185587 A CN109185587 A CN 109185587A CN 201811091672 A CN201811091672 A CN 201811091672A CN 109185587 A CN109185587 A CN 109185587A
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- China
- Prior art keywords
- female end
- female
- male
- male end
- valve body
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- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 71
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 230000000750 progressive effect Effects 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 46
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 14
- 230000006837 decompression Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
Abstract
The present invention relates to a kind of fluid quick joints.Fluid quick joint of the invention includes male end joint assembly and female end joint assembly, wherein, the male end joint assembly includes locking ring, locking ring spring, multiple locking members, when the fluid quick joint is in engagement state, protrude into the front end portion of the female end piston bush of female end joint assembly in the ring cavity between the male end piston bush and male end cover for seat of male end joint assembly；Also, the locking ring is in progressive position and in the latch recess that is pressed into the locking member on the external peripheral surface of the locking through-hole and female end piston bush, so that the male end joint assembly and female end joint assembly be connect with locking.Fluid quick joint of the invention female end joint assembly can be fixedly mounted on the cooling plate in the case where not increasing manual operation complexity; female end joint assembly can be inexpensive and simply implements releasing pressure automatically defencive function, bond quality height, good airproof performance under engagement state.
Description
Technical field
The fluid being arranged on male end joint assembly the present invention relates to fluid quick joint more particularly to a kind of locking ring is fast
Quick coupling.
Background technique
On the device in the various fields such as rail traffic (such as on rail vehicle), it is widely present various liquid line (examples
Such as cooling route), it is serially connected between the various equipment of device, therefore, the connection of the liquid line between equipment usually fills
Equipped with liquid quick coupling, such as the port of cooling route of coldplate is connected by liquid quick coupling and pipeline or other equipment
It connects to form fluid channel.
In existing fluid quick joint, for the function of realizing fast quick-detach, generally including be may be implemented mutually fastly
The male end joint assembly and female end joint assembly that quick access is closed, they are adaptedly designed to realize and mutually patch.For example, patent application
Number for CN201620179878.0, entitled " compact fluid coupling element " utility model patent disclosed in quick coupling
In, the front end of male end joint assembly and the front end of female end joint assembly are used to be interconnected；Male end joint assembly and female end connector
Component is one-way joint, and male end joint assembly includes male end cover for seat, male end piston bush and is arranged in male end piston bush
Male end valve body and male end valve body spring in the male end channel lumens in portion；Female end joint assembly includes female end piston bush and setting
Female end valve body, female end valve body spring, female end mandril in the female end channel lumens of the inside of the female end piston bush；Also, it uses
It is arranged when realizing the locked components such as the locking ring that male end joint assembly and female end joint assembly are engaged by locking, lock pearl in female end.
When male end joint assembly is inserted into female end joint assembly to the right to be engaged, male end piston bush enters female end piston
In the female end channel lumens of the inside of set so that female end ejector pin contact and abut against male end valve body to the left, the contact of male end piston bush and to
The right side abuts against female end valve body, thus makes male end valve body the inside of male end piston bush is axially moved to the left, female end valve body is in institute
Axially inside moving right for female end piston bush is stated, male end joint assembly and the respective sealing of female end joint assembly are released, it is real
Now it is in fluid communication；Meanwhile the lock pearl of female end matches with latch recess on the male end piston bush of male end, and locking ring covers lock
Pearl simultaneously keeps lock pearl to be in latch recess, is achieved in being engaged by locking for the male end joint assembly and female end joint assembly.
The fluid quick joint of the above structure is required to manual hand manipulation's locking ring (example in engagement and lock out operation
Such as, locking ring rearward end return makes to lock pearl in radial release, with the locking of debonding), namely manual operation female end is needed to connect
Head assembly one end.In view of manually-operated convenience, generally select male end joint assembly be fixedly connected on it is relatively fixed or
It is difficult to the equipment (such as coldplate) moved, the female end joint assembly of locking ring is fixedly connected on relatively small or is easy to move
In equipment or hose.
However, the equipment such as coldplate where male end joint assembly usually require that male end joint assembly has its internal hydraulic pressure
Has the function of decompression protection in the abnormal situation of operating condition, to prevent the equipment damages such as the coldplate of high value；This is obviously
When being required with the sealing performance (leakproofness between male end piston bush and male end valve body) of male end joint assembly in the separated state
It runs counter to, the design of existing male end joint assembly is to be difficult to meet above-mentioned decompression protection function and seal request two simultaneously completely
Person's.
Summary of the invention
One or more in order to solve the above technical problems, the present invention provides a kind of novel fluid quick joint.
According to a kind of fluid quick joint disclosed by the invention comprising male end joint assembly and female end joint assembly, institute
Stating male end joint assembly can be bonded together with the female end joint assembly；Wherein,
The male end joint assembly includes male end cover for seat, male end piston bush and is arranged in the male end piston bush
Male end valve body and male end valve body spring in the male end channel lumens in portion, the male end valve body are connected by the male end valve body spring
To the male end piston bush, the male end valve body can move axially back and forth on edge in the male end channel lumens, the male end
The ring cavity of its front opening is formed between piston bush and male end cover for seat；
The male end joint assembly further includes locking ring, locking ring spring, multiple locking members, pair of the male end cover for seat
It answers and is provided with multiple locking through-holes in the cavity wall of the ring cavity, the locking ring is sleeved on the outside of the male end cover for seat simultaneously
And connect by the locking ring spring with the male end cover for seat, the locking ring can along axial direction in the male end cover for seat
It is moved forward and backward between progressive position and retracted position, in the forward position, locking member described in the locking ring cover is simultaneously
It is radially pressed into the locking through-hole, at the retracted position, the locking ring discharges the locking member；
The female end joint assembly include female end piston bush and be arranged in the female end piston bush inside female end it is logical
Female end valve body, female end valve body spring, female end mandril and fixed support ring in road chamber；The fixed support ring is fixed at
In the female end channel lumens, the rear end of the female end mandril is connected in the fixed support ring by being fixedly connected with mode, institute
State female end valve body can in the female end channel lumens around the female end mandril in axial direction front and back it is mobile；
When the fluid quick joint is in engagement state, the front end of the male end piston bush pushes the female end valve body
Front end face and protrude into the female end channel lumens of the female end piston bush and separate the female end valve body and female end mandril mutually with
Fluid channel is formed, the female end valve body spring is in compressive state；The front end of the female end mandril pushes the male end valve body
Front end face and protrude into the male end channel lumens of the male end piston bush and separate the male end piston bush mutually with male end valve body
To form fluid channel, the male end valve body spring is in compressive state；Protrude into institute to the front end portion of the female end piston bush
It states in the ring cavity between male end piston bush and the male end cover for seat；Also, the locking ring is in the progressive position simultaneously
And be pressed into the locking member in the latch recess on the external peripheral surface of the locking through-hole and the female end piston bush, from
And the male end joint assembly is connect with locking with the female end joint assembly.
In the fluid quick joint of an embodiment, it is preferable that when the fluid quick joint is in discrete state, institute
The front end face for stating male end piston bush is concordant with the front end face of male end valve body and be sealingly engaged to form relatively described male end cover for seat
Front end face axial direction evagination primary sealing area；The female end valve body is living with the front end of the female end mandril and the female end simultaneously
Plug sleeve is sealingly engaged, and the front end face of the female end valve body is concordant with the front end face of female end mandril, to be formed relatively described
The secondary sealing area of the front end face axial direction indent of female end piston bush.
In the fluid quick joint of an embodiment, it is preferable that the relatively described fixed support in the rear end of the female end mandril
The mode that is fixedly connected of ring is utilized in the female end mandril by the hydraulic coupling in the female end channel lumens more than or equal to pre-
What can be automatically disengaged when level pressure force value is fixedly connected with mode.
In the fluid quick joint of an embodiment, it is preferable that the mode that is fixedly connected is thread connecting mode.
In the fluid quick joint of an embodiment, it is preferable that the rear end of the female end mandril has the first screw thread, described
Fixed support ring has the second screw thread being threadedly engaged with described first to realize the thread connecting mode, by described in setting
The shape of first screw thread and/or the second screw thread, intensity, the one or more of quantity, to realize the female end mandril by described
Hydraulic coupling in female end channel lumens can automatically disengage when being greater than or equal to the scheduled pressure value in the fixed support ring.
In the fluid quick joint of an embodiment, it is preferable that rear end and the fixed support in the female end mandril
When ring is threadedly coupled, the portion end surface of the rear end of the female end mandril is at least mutually butted in the fixed support ring.
In the fluid quick joint of an embodiment, it is preferable that the female end joint assembly installation is on the cooling plate.
In the fluid quick joint of an embodiment, it is preferable that pacify with the first sealing ring the front end of the male end valve body
Slot is set, putting in the sealing ring resettlement groove has the first sealing ring；
The front end of the female end mandril is provided with the second sealing ring resettlement groove, and putting in the second sealing ring resettlement groove has
The second sealing ring between the female end mandril and the female end valve body；
It is provided with third sealing ring resettlement groove on the inner wall of the female end piston bush, is set in the third sealing ring resettlement groove
The third sealing ring being placed between the female end mandril and the female end piston bush.
In the fluid quick joint of an embodiment, it is preferable that the female end piston sleeve is protruding into the ring cavity
Engaging process in, the ring cavity can guide the female end piston sleeve to be axially moveable.
In the fluid quick joint of an embodiment, it is preferable that the internal diameter of the front end of the female end piston bush is equal to
The outer diameter of the female end piston bush, the outer diameter of the front end of the female end piston bush are equal to the part of corresponding ring cavity
Male end cover for seat internal diameter.
The fluid quick joint of the disclosure can be by female end joint assembly in the case where not increasing manual operation complexity
Be fixedly mounted on the cooling plate, also, at low cost, simply implement coldplate releasing pressure automatically protect provide possibility,
That is, the female end joint assembly of fixed installation on the cooling plate can be inexpensive and simply implements releasing pressure automatically protection function
Energy；Moreover, the fluid quick joint of the disclosure is oriented in engaging process, male end piston bush and female end valve body, female end mandril
With male end valve body is easy to accomplish is aligned in the axial direction, therefore, bond quality is higher, the leakproofness under engagement state is also more preferable.
It will become apparent according to the following description and drawings features above of the invention and operation.
Detailed description of the invention
From the following detailed description in conjunction with attached drawing, it will keep above and other purpose and advantage of the invention more complete
It is clear, wherein the same or similar element, which is adopted, to be indicated by the same numeral.
Fig. 1 is the structural schematic diagram according to the male end joint assembly of the fluid quick joint of one embodiment of the invention.
Fig. 2 is the structural schematic diagram according to the female end joint assembly of the fluid quick joint of one embodiment of the invention.
Fig. 3 is the structural schematic diagram according to the fluid quick joint of one embodiment of the invention in engagement state.
Specific embodiment
For succinct and illustrative purpose, this paper Primary Reference its example embodiment describes the principle of the present invention.But
Those skilled in the art will readily recognize that identical principle can be equally applied to all types of fluid quick joints, and
And these identical principles and any such variation can be implemented within without departing substantially from the true spirit and model of present patent application
It encloses.Moreover, in the following description, with reference to attached drawing, the specific example embodiment of these drawing illustrations.Without departing substantially from of the invention
These embodiments can be carried out with the change on mechanically and structurally under the premise of spirit and scope.Although in addition, spy of the invention
Sign be in conjunction with several implementation/embodiments only one of them come it is disclosed, but as given or identifiable function for any
It may be expectation and/or advantageous, other one or more features of this feature and other implementation/embodiments can be subjected to group
It closes.Therefore, it is described below and is not construed as in a limiting sense, and the scope of the present invention is by appended claims and its equivalent
Object defines.
It is to be fully able to realize multiple components of the invention shown in the drawings of those of ordinary skill in the art, for ability
For field technique personnel, perhaps multipart operation is all familiar and apparent.
Herein, the directional terminology of " preceding " and " rear " is connect relative to male end joint assembly and female end joint assembly and male end
The engaged orientation of head assembly defines；Wherein, for corresponding male end joint assembly, " preceding " corresponding orientation is connect close to female end
The orientation of head assembly, " rear " corresponding orientation are the orientation far from female end joint assembly；For corresponding female end joint assembly, " preceding "
Corresponding orientation is close to the orientation of male end joint assembly, and " rear " corresponding orientation is the orientation far from male end joint assembly.
Fig. 1 show the structural schematic diagram of the male end joint assembly according to the fluid quick joint of one embodiment of the invention；
Fig. 2 show the structural schematic diagram of the female end joint assembly according to the fluid quick joint of one embodiment of the invention；Fig. 3 is shown
According to structural schematic diagram of the fluid quick joint of one embodiment of the invention in engagement state.The fluid of one embodiment of the invention
The equal element for locking of the 100 locking ring 151 of male end joint assembly of quick coupling 10, is installed to coldplate, female end
In the equipment or pipeline of its opposite one end for being mounted on coldplate of joint assembly 200；Fluid quick joint 10 has joint shape
State and discrete state, in the engaged condition, male end joint assembly 100 and female end joint assembly 200 are interconnected and shape wherein
At fluid channel, under discrete state, male end joint assembly 100 and female end joint assembly 200 are separated from each other, still, they
Exposed front end face seals and is formed sealing surface, so that internal liquid will not be revealed.
In figs. 1 to 3, central axis 19 is the central axis of fluid quick joint 10, is also male end connector group respectively
The central axis of part 100 and female end joint assembly 200, axially refers to the direction where central axis 19, and front-rear direction corresponds to
Axial, the vertical axially direction corresponds to radial direction.For convenience of understanding, the lower half portion of the central axis 19 of Fig. 1 to Fig. 3 shows
It anticipates the cross-sectional views of certain critical components, the top half of the central axis 19 of Fig. 1 to Fig. 3 illustrates the perspective of certain critical components
Figure.
As shown in figures 1 and 3, male end joint assembly 100 has the relatively large male end cover for seat 110 of internal diameter；Male end cover for seat
110 rear end can for example be connected through a screw thread mode and be fixedly attached in a certain equipment or the fluid path of pipeline, male end cover for seat 110
Rear end 190 have through-hole supply the fluid path liquid communication；The front opening of male end cover for seat 110, male end cover for seat 110 can be big
It causes cylindric.
Male end joint assembly 100 also has male end piston bush 120, and male end piston bush 120 can be substantially cylindrical shape, in
Portion is formed with male end channel lumens 101, and the rear end of male end piston bush 120 can be fixed on male end seat for example, by thread connecting mode
On set 110.The radial dimension of male end piston bush 120 is relatively shorter than the radial dimension of male end cover for seat 110, therefore, male end piston bush
It could be formed with the ring cavity 111 of its front opening between 120 and male end cover for seat 110；As shown in figure 3, ring cavity 111 supplies
The female end piston sleeve 210 of female end joint assembly 200 is axially inserted into.
Male end joint assembly 100 also has the male end in the male end channel lumens 101 for the inside that male end piston bush 120 is arranged in
Valve body 130 and male end valve body spring 140；Wherein, male end valve body 130 is connected to male end piston bush by male end valve body spring 140
120, for example, the rear end of male end valve body spring 140 is mutually butted on male end piston bush 120, the front end of male end valve body spring 140 is mutually butted on
Male end valve body 130；Male end valve body 130 can be in male end channel lumens 101 along moving axially back and forth namely male end valve body 130
It similar can be moved forward and backward in male end channel lumens 101 for piston body.When male end valve body 130 moves backward, male end valve body spring
140 are compressed to generate corresponding bounce, and male end valve body 130 can be made to be restored automatically to corresponding under discrete state
Initial position；In the initial position, as shown in Figure 1, the internal diameter relative decrease of the front end of male end piston bush 120,1 radial dimension pair
The radial dimension of the front end of male end valve body 130 is answered to be adapted to design, thus the sealing effect realized when they cooperate.To improve
Sealing effect prevents liquid from leaking, and the front end of male end valve 130 has sealing ring resettlement groove, puts sealing ring 131 in sealing ring resettlement groove
(such as non-aging rubber body sealing ring etc.), to improve between male end valve body 130 and the front end of male end piston bush 120
Leakproofness.
Male end joint assembly 100 also has locked component, including locking ring 151, locking ring spring 152, Duo Gesuo
Determine element 153；Also, it is provided with multiple locking through-holes 112 in the cavity wall of the correspondence ring cavity 111 of male end cover for seat 110, locks
The size and number of through-hole 112 correspond to the size and number of locking member 153 to design, for example, locking member 153 is spherical lock
When pearl, locking through-hole 112 is designed as circular through hole, and when not having backstop, locking member 153 can radially pass freely through the lock
Determine through-hole 112.
Locking ring 151 is sleeved on 110 outside of male end cover for seat and is connect by locking ring spring 152 with male end cover for seat 110.
In one embodiment, locking ring spring 152 is radially positioned the inner sidewall of locking ring 151 and the lateral wall of male end cover for seat 110
Between, the spring base 1511 of 151 inside of the front end of locking ring spring 152 and locking ring offsets, the rear end of locking ring spring 152 with
The spring base 113 in 110 outside of male end cover for seat offsets.
Locking ring 151 can be moved forward and backward between progressive position and retracted position in male end cover for seat 110 along axial direction,
Forward position, locking ring 151 cover all locking members 153 and it are radially respectively pressed into locking through-hole 112, retracting
At position, locking ring 151 discharges locking member 153 radially.Generally, in the case where not manual intervention, locking ring 151
Its progressive position, such as position as shown in Figure 1 are under the forward active force of locking ring spring 152；By artificial
Locking ring 151 is manually operated, it can be retreated at retracted position backward.
Continue as shown in Figures 2 and 3, female end joint assembly 200 has female end piston bush 210, and female end piston bush 210 can be with
To be substantially cylindric, inside be formed with female end channel lumens 201.The radial dimension of female end piston bush 210 is greater than male end piston bush
120 radial dimension, specifically, the internal diameter of the front end of female end piston bush 210 are substantially equal to the outer diameter of female end piston bush 210
Size, the outer diameter of the front end of female end piston bush 210 are substantially equal to the internal diameter of the male end cover for seat 110 of corresponding ring cavity 111
Size, in this way, the front end of female end piston bush 210 is inserted into ring cavity 111 and is done opposite in which can be convenient during engagement
The piston motion of sealing is conducive to prevent the liquid outflow in female end channel lumens 201.
In one embodiment, the female end cover for seat of female end joint assembly 200 can be fixedly mounted in the rear end of female end piston bush 210
On 260, such as the mode of screw thread installation is realized and is connected to each other.The rear end 290 of female end cover for seat 260 can be for example connected through a screw thread
Mode is fixedly attached in such as coldplate (not shown), and the rear end of female end cover for seat 260 has through-hole for the liquid of fluid path
Circulation, female end piston bush 210 can be to be substantially cylindric, and the front opening of female end cover for seat 260 simultaneously can be by female end piston bush 210
Partly it is set with.
Continue as shown in Figures 2 and 3, female end joint assembly 200 also has the mother for the inside that female end piston bush 210 is arranged in
Hold female end valve body 220, female end valve body spring 230, female end mandril 240 and the fixed support ring 250 in channel lumens 201.Wherein,
Fixed support ring 250 can be fixed in female end channel lumens 201, for example, being fixed on female end cover for seat 260 and female end piston bush
It, can be simultaneously by fixed support ring 250 when 210 sets of female end piston bush are filled in female end cover for seat 260 between 210 rear end
It is pressed live.Female end valve body spring 230 is axially arranged, for example, its rear end offsets with support ring 250 or female end cover for seat 260, before
End offsets with female end valve body 220.
Female end mandril 240 is fixed in female end channel lumens 201 along central axis 19, female end mandril 240 have front end,
Middle section and rear end 243, specifically, the middle section of mandril 240 have the stylolitic part of shape invariance, female end mandril 240
Front end be used to contact in the engagement of male end joint assembly 100 and female end joint assembly 200 and abut against male end valve body 130, female end
The front end radial dimension of mandril 240 can be substantially equal to the radial dimension of the front end of male end valve body 130, before female end mandril 240
End can be gradually reduced by diameter is partially attached to intermediate portion, and it is solid that the rear end 243 of mandril 240 is connected through a screw thread mode
Surely it is connected in fixed support ring 250.Illustratively, the rear end 243 of mandril 240 can process bolt, fixed support ring 250
Center can process threaded hole, and above-mentioned threaded connection may be implemented between bolt and the bolt hole.
Female end valve body 220 for example can be the piston body of cyclic structure, and female end valve body 220 can be in female end channel lumens 201
In around female end mandril 240, in axial direction front and back ground is mobile；Specifically, when fluid quick joint 10 engages, female end valve body
220 front end face 221 is by the ejection backward of the front end of male end piston bush 120, at this point, female end valve body spring 230 is compressed；In fluid
When quick coupling 10 separates, the bounce of female end valve body spring 230 can be such that female end valve body 220 moves forward to as shown in Figure 2
Sealing station.In the sealing station, female end valve body 220 and the front end of female end mandril 240 and the inner wall of female end piston bush 210 are same
When be sealingly engaged, also, the block edge 213 of such as convex can be set on the inner wall of female end piston bush 210, to prevent female end valve body
It is continued to move along under the bounce effect of female end valve body spring 230.
In one embodiment, as shown in Figures 2 and 3, sealing ring resettlement groove can be set in the front end of female end mandril 240,
For installing the sealing ring 241 between female end mandril 240 and female end valve body 220, to improve female end valve body 220 and installation female end top
Airtightness before bar 240；Meanwhile sealing ring resettlement groove also can be set on the inner wall of female end piston bush 210, it is used to install
Sealing ring 212 between female end mandril 240 and female end piston bush 210, to improve female end valve body 220 and female end piston bush 210
Airtightness before inner wall.It is to be appreciated that under the engagement state of fluid quick joint 10 as shown in Figure 3, sealing ring
212 also have the airtightness before the inner wall of the outer wall and female end piston bush 210 that improve male end piston bush 120.
It should be noted that the internal diameter of female end valve body 220 can correspond to the outer diameter ruler of the front end of female end mandril 240
Very little setting, the outer diameter of female end valve body 220 can correspond to the outer diameter setting of the front end of female end piston bush 210, can be with
Their airtightness is improved by controlling their machining accuracy etc..
To realize that fluid quick joint 10 locks in the engaged condition, it is arranged on the external peripheral surface of female end piston bush 210
There is latch recess 211.
In the case where fluid quick joint 10 is in discrete state (as depicted in figs. 1 and 2), male end piston bush 120
The front end face 132 of front end face 122 and male end valve body 130 is substantially flush, and male end piston bush 120 and male end valve body 130 seal
Engagement, to form the primary sealing area 23 of the front end face axial direction evagination of opposite male end cover for seat 110；Accordingly, female end valve body 220
Its sealing station, female end valve body 220 while front end and mother with female end mandril 240 are forced back towards by female end valve body spring 230
Piston bush 210 is held to be sealingly engaged, the front end face 221 of female end valve body 220 and the front end face 240 of female end mandril 230 are concordant, thus shape
At the secondary sealing area 42 of the front end face axial direction indent of opposite female end piston bush 210.In this way, in the separated state, male end connector
Component 100 can realize sealing with female end joint assembly 200.
When fluid quick joint 10 is in engagement state (as shown in Figure 3), the front end of male end piston bush 120 pushes to the left
The front end face of female end valve body 220 and the front end for protruding into the female end channel lumens 201 of female end piston bush 210 and making female end valve body 220
Face 221 is mutually separated with the front end face 242 of female end mandril 230 to form fluid channel (as shown in the four-headed arrow in Fig. 3), this
When, female end valve body spring 230 is in compressive state；Meanwhile before the front end of female end mandril 240 pushes to the right male end valve body 130
End face 132 and the front end face 122 and male end for protruding into the male end channel lumens 101 of male end piston bush 120 and making male end piston bush 120
132 phase of front end face of valve body 130 is separated to form fluid channel, at this point, male end valve body spring 140 is in compressive state；Also,
Protrude into the front end portion of female end piston bush 210 ring cavity 111 between male end piston bush 120 and the male end cover for seat 110
In；Also, locking ring 151 is in the progressive position, and locking member 153 is pressed into locking through-hole 112 and female end piston bush
In 210 latch recess 211, so that male end joint assembly 100 be connect with locking with female end joint assembly 200.
The fluid quick joint 10 of above embodiments may be implemented female end joint assembly 200 and be fixedly mounted on the same of coldplate
When, when can also easily carry out engagement and lock out operation, for example, locking ring 151 manually can be retracted its contracting in engagement
Return sets place, and female end joint assembly 200 and male end joint assembly 100 are aligned namely primary sealing area 23 and secondary sealing area
42 are aligned and engage, and then opposite to push, until locking member 153 drops into latch recess 211, locking ring 151 will locked
Determine to return back to progressive position under the action of the spring force of spring 152, whole process is easy to operate；It, equally can be with people in separation
Work retracts locking ring 151 at its retracted position, then that female end joint assembly 200 and male end joint assembly 100 is drawn apart from one another,
Locking member 153 leaves latch recess 211 simultaneously automatically.The above engagement and lock out operation can be singlehanded complete.
And, it will be appreciated that female end joint assembly 200 is fixedly mounted on the cooling plate, is conducive to simply implement cooling
The decompression protection functional requirement of plate (usual coldplate requires releasing pressure automatically defencive function at one end).
In the structure of existing or the application male end joint assembly, to realize male end valve body 130 and male end piston bush 120
Between sealing engagement, male end valve body 130 be limited disengaging in male end piston bush 120, namely do not allow internal high pressure make
Rushed out forward under, Chinese Patent Application No. 201410775061.5, entitled " rapid connector component " quick coupling in,
Have the function of releasing pressure automatically for realization male end, needs that pressure release passage, pressure release spring, closeouts etc. are arranged in male end valve body, because
This, male end valve body becomes extremely complex, and it is ensures that liquid will not be revealed by pressure release passage under normal use, male end valve
The requirement on machining accuracy of body is high, substantially increases the manufacturing cost of male end valve body.
As comparison, the female end joint assembly 200 of one embodiment of the disclosure can pass through female end mandril 230 and fixed support
Destructibility between ring 250 be fixedly connected come it is inexpensive, simply implement releasing pressure automatically defencive function.Specifically, female end top
The thread connecting mode of the relatively fixed support ring 250 in the rear end 243 of bar 240 is used in female end mandril 240 by female end channel lumens
Hydraulic coupling F in 201 is greater than or equal to the connection type automatically disengaged when scheduled pressure value, for example, can determine in advance pre-
Level pressure force value, shape, intensity and/or the quantity of the screw thread of the bolt on rear end 243 by the way that female end mandril 240 is arranged, or
By shape, intensity and/or the quantity of the screw thread in the threaded hole in fixed support ring 250, or pass through both the above mode
Combination, come the bonding strength for the threaded connection being arranged between female end mandril 230 and fixed support ring 250.
When the female end joint assembly 200 of above example is installed on the cooling plate under discrete state, if coldplate because
Such as the improper factor such as temperature raising causes the pressure in the liquid stream circuit inside coldplate to increase suddenly, what female end mandril 240 was subject to
When forward pressure F is greater than or equal to scheduled pressure value, the rear end 243 of female end mandril 240 will be detached from from fixed support ring 250,
Liquid stream circuit is opened, liquid can between female end mandril 240 and female end valve body 220 gap outflow, realize decompression function,
It prevents expensive coldplate Internal explosions and damages.
It will be understood that although female end mandril 240 and/or fixed support ring 250 are easy to be damaged in releasing pressure automatically,
On the one hand, the situation that decompression protection occurs is generally relatively fewer；On the other hand, female end mandril 240 and/or fixed support ring 250
Can the low replacement of low cost, female end joint assembly 200 can continue to obtain using.Therefore, realize that the cost of decompression protection is low.
It should be noted that the female end mandril above when realizing the decompression protection of coldplate, in female end joint assembly 200
The mode that is fixedly connected between 240 rear end 243 and fixed support ring 250 be thread connecting mode is to illustrate, ability
Field technique personnel will be understood that, under above embodiments introduction, in other embodiments, the rear end 243 of female end mandril 240 and fixation
Between support ring 250 be fixedly connected with mode also and can be implemented as such as bonding connection (by determining viscous and connection intensity value,
Automatically disengage it when being greater than or equal to scheduled pressure value by the hydraulic coupling F in female end channel lumens 201), also for example clamping connects
Connecing (by determining the intensity value of clamping connection, makes it be greater than or equal to pre- level pressure by the hydraulic coupling F in female end channel lumens 201
Automatically disengaged when force value) etc. other be fixedly connected with mode.
It will be understood that above-mentioned scheduled pressure value is adjustable design variation, such as can be born according to coldplate
Pressure size etc. determines.
In one embodiment, when the rear end of female end mandril 240 is threadedly coupled with fixed support ring 250, female end mandril 240
The portion end surface of rear end 243 be at least mutually butted in fixed support ring 250, such as the table with fixed support ring 250 of rear end 243
Face contact part step surface, the rear end face of rear end 243 and the threaded hole of fixed support ring 250 offset, in this way, in normal engagement mistake
When journey or engagement state, it can prevent the spring force that for example male end valve body spring 140 generates can be by male end valve body 130, female end
Mandril 240 is all transferred to above-mentioned threaded connection or is fixedly connected, and reduces and generates to the intensity for being threadedly coupled or being fixedly connected
Broken words, reduce or eliminate following negative effect: for example making to be threadedly coupled or other are fixedly connected on by female end channel lumens 201
Hydraulic coupling F be less than scheduled pressure value when also automatically disengage, influence the normal realization of decompression protection function.
It should be noted that the fluid quick joint 10 of above embodiments has further the advantage that, as shown in figure 3, connecing
During conjunction, female end piston sleeve 210 is inserted into ring cavity 111, and ring cavity 111 can guide female end piston sleeve 210
It is moved forward and backward along correct direction (such as axial direction), the alignment in the axial direction of male end piston bush 120 and female end valve body 220, mother
Hold mandril 240 and the alignment of male end valve body 130 in the axial direction also more preferable, so that leakproofness in the engaged condition is also more preferable；And
And in the engaged condition, be correspondingly formed ring cavity 111 male end cover for seat 110 can critical component to joint portion it is (such as female
Hold piston bush 210, male end piston bush 120, internal male end valve body 130 and female end mandril 240 etc.) protection is provided, it is not easy to by
The influence of external impact for example radially；Moreover, in the engaged condition, female end piston bush 210 can be by locking member 153
Towards the radial pressure at center, which can be partly delivered to male end piston bush 120 or female end valve body 220, be conducive to improve
The leakproofness of female end piston bush 210 and 120/ female end valve body 220 of male end piston bush further prevents that liquid leakage occurs.
It will be understood that the fluid quick joint 10 (such as its male end joint assembly 100) of the embodiment of the present invention may be in radial direction
Upper size slightly increases, but the upper overall dimensions of its axial direction do not increase, structure still relative compact.Also, the embodiment of the present invention
The quick coupling of the relatively existing announcement of fluid quick joint 10 do not sacrificed in other aspect of performance, for example, connection is reliable
The good, good seal performance of property may be implemented to be quickly engaged.
Example above primarily illustrates fluid quick joint 10 of the invention.Although only to some of implementations of the invention
Mode is described, but those of ordinary skill in the art it is to be appreciated that the present invention can without departing from its spirit with range
It is interior to implement in many other forms.Therefore, the example shown is considered as illustrative and not restrictive with embodiment,
In the case where not departing from the spirit and scope of the present invention as defined in appended claims, the present invention may cover various
Modification and replacement.
Claims (10)
1. a kind of fluid quick joint (10), including male end joint assembly (100) and female end joint assembly (200), the male end
Joint assembly (100) can be bonded together with the female end joint assembly (200)；It is characterized in that,
The male end joint assembly (100) includes male end cover for seat (110), male end piston bush (120) and is arranged in the male end
Male end valve body (130) and male end valve body spring (140) in the male end channel lumens (101) of the inside of piston bush (120), the public affairs
End valve body (130) is connected to the male end piston bush (120), the male end valve body by the male end valve body spring (140)
(130) it can be moved axially back and forth on edge in the male end channel lumens (101), the male end piston bush (120) and male end seat
The ring cavity (111) of its front opening is formed between set (110)；
The male end joint assembly (100) further includes locking ring (151), locking ring spring (152), multiple locking members (153),
Multiple locking through-holes (112) are provided in the cavity wall of the correspondence ring cavity (111) of the male end cover for seat (110), it is described
Locking ring (151) is sleeved on the outside of the male end cover for seat (110) and by the locking ring spring (152) and the male end
Cover for seat (110) connection, the locking ring (151) can along axial direction on the male end cover for seat (110) in progressive position and retraction
Be moved forward and backward between position, in the forward position, the locking ring (151) cover the locking member (153) and by its
It is radially pressed into the locking through-hole (112), at the retracted position, the locking ring (151) discharges the locking member
(153)；
The female end joint assembly (200) includes female end piston bush (210) and is arranged in the female end piston bush (210)
Female end valve body (220), female end valve body spring (230), female end mandril (240) in internal female end channel lumens (201) and solid
Determine support ring (250)；The fixed support ring (250) is fixed in the female end channel lumens (201), the female end mandril
(240) rear end (243) is connected on the fixed support ring (250) by being fixedly connected with mode, the female end valve body (220)
It can be in the female end channel lumens (201) around the female end mandril (240) in axial direction front and back ground movement；
When the fluid quick joint (10) is in engagement state, the front end of the male end piston bush (120) pushes the mother
The front end face (221) of end valve body (220) simultaneously protrudes into the female end channel lumens (201) of the female end piston bush (210) and makes described
Female end valve body (220) is mutually separated with female end mandril (240) to form fluid channel, and the female end valve body spring (230) is in pressure
Contracting state；The front end of the female end mandril (240) pushes the front end face (132) of the male end valve body (130) and protrudes into the public affairs
It holds in the male end channel lumens (101) of piston bush (120) and separates the male end piston bush (120) mutually with male end valve body (130)
To form fluid channel, the male end valve body spring (140) is in compressive state；The front end of the female end piston bush (210)
It protrudes into the ring cavity (111) between the male end piston bush (120) and the male end cover for seat (110) with dividing；Also, it is described
Locking ring (151) is in the progressive position and the locking member (153) is pressed into the locking through-hole (112) and described
In latch recess (211) on the external peripheral surface of female end piston bush (210), thus by the male end joint assembly (100) with
Female end joint assembly (200) locking ground connection.
2. fluid quick joint (10) as described in claim 1, which is characterized in that be in the fluid quick joint (10)
When discrete state, the front end face (122) of the male end piston bush (120) and front end face (132) of male end valve body (130) are concordant simultaneously
It is sealingly engaged to form the primary sealing area of the front end face axial direction evagination of the relatively described male end cover for seat (110)；The female end valve
Body (220) is sealingly engaged with the front end of the female end mandril (240) and the female end piston bush (210) simultaneously, and the mother
The front end face (221) of end valve body (220) is concordant with front end face (242) of female end mandril (230), to form the relatively described female end
The secondary sealing area of the front end face axial direction indent of piston bush (210).
3. fluid quick joint (10) as described in claim 1, which is characterized in that the rear end of the female end mandril (240)
(243) mode that is fixedly connected of the relatively described fixed support ring (250) is utilized in the female end mandril (240) by the mother
What can be automatically disengaged when holding the hydraulic coupling in channel lumens (201) more than or equal to scheduled pressure value is fixedly connected with mode.
4. fluid quick joint (10) as claimed in claim 3, which is characterized in that described to be fixedly connected with mode to be threadedly coupled
Mode.
5. fluid quick joint (10) as claimed in claim 4, which is characterized in that the rear end of the female end mandril (240)
(243) there is the first screw thread, the fixed support ring (250), which has, to be threadedly engaged with described first to realize the threaded connection
Second screw thread of mode, by the way that shape, intensity, the one or more of quantity of first screw thread and/or the second screw thread is arranged,
To realize that the female end mandril (240) is greater than or equal to the pre- level pressure by the hydraulic coupling in the female end channel lumens (201)
It can be automatically disengaged when force value in the fixed support ring (250).
6. fluid quick joint (10) as claimed in claim 4, which is characterized in that in the rear end of the female end mandril (240)
(243) when being threadedly coupled with the fixed support ring (250), the portion end surface of the rear end (243) of the female end mandril (240) is extremely
It is few to be mutually butted on the fixed support ring (250).
7. fluid quick joint (10) as described in claim 1, which is characterized in that female end joint assembly (200) installation
On the cooling plate.
8. fluid quick joint (10) as described in claim 1, which is characterized in that
The front end of the male end valve body (130) has the first sealing ring resettlement groove, and putting in the sealing ring resettlement groove has first
Sealing ring (131)；
The front end of the female end mandril (240) is provided with the second sealing ring resettlement groove, puts in the second sealing ring resettlement groove
There is the second sealing ring (241) between the female end mandril (240) and the female end valve body (220)；
Third sealing ring resettlement groove is provided on the inner wall of the female end piston bush (210), in the third sealing ring resettlement groove
Storing has the third sealing ring (212) between the female end mandril (240) and the female end piston bush (210).
9. fluid quick joint (10) as described in claim 1, which is characterized in that the female end piston sleeve (210) is being stretched
In the engaging process for entering the ring cavity (111), the ring cavity can guide the female end piston sleeve (210) along axis
To movement.
10. fluid quick joint (10) as claimed in claim 9, which is characterized in that the front end of the female end piston bush (210)
Internal diameter be equal to the female end piston bush (210) outer diameter, the outer diameter ruler of the front end of the female end piston bush (210)
The internal diameter of the male end cover for seat (110) of the very little part for being equal to corresponding ring cavity (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091672.2A CN109185587B (en) | 2018-09-19 | 2018-09-19 | Fluid quick-operation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091672.2A CN109185587B (en) | 2018-09-19 | 2018-09-19 | Fluid quick-operation joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109185587A true CN109185587A (en) | 2019-01-11 |
| CN109185587B CN109185587B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811091672.2A Active CN109185587B (en) | 2018-09-19 | 2018-09-19 | Fluid quick-operation joint |
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| Country | Link |
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| CN (1) | CN109185587B (en) |
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| CN209245531U (en) * | 2018-09-19 | 2019-08-13 | 上海宝昭新材料科技中心（有限合伙） | The fluid quick joint on male end joint assembly is arranged in a kind of locking ring |
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| DE4323758A1 (en) * | 1992-09-29 | 1994-04-28 | Kernforschungsz Karlsruhe | Quick release coupling for high pressure fluid line - has plug with spherical section at rear with locating nut |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109185587B (en) | 2024-01-30 |
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