CN108317324A - Quick coupling - Google Patents
Quick coupling Download PDFInfo
- Publication number
- CN108317324A CN108317324A CN201810403215.6A CN201810403215A CN108317324A CN 108317324 A CN108317324 A CN 108317324A CN 201810403215 A CN201810403215 A CN 201810403215A CN 108317324 A CN108317324 A CN 108317324A
- Authority
- CN
- China
- Prior art keywords
- spool
- wall
- valve core
- plug
- bayonet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of attachment device of fast assembling-disassembling, especially quick couplings.Quick coupling, including male contact and famale connector, male contact includes plug, plug connector rear outer wall is arranged with plug connector body, it is fixed with valve seat A in the middle part of plug inner wall, plug front is equipped with bayonet A, outer wall is equipped with back stop slot on rear side of bayonet A, spool A is equipped in bayonet A, valve core rod A is equipped in spool A, valve core case A is equipped with after valve core rod A, famale connector includes shell and housing, rear outer wall is arranged with shell joint body, shell and the external wall of shell joint are cased with housing, inner walls rear portion is fixed with valve seat B, inner walls convex to form bayonet B to center position, spool B is equipped in bayonet B, valve core rod B is equipped in spool B, valve core case B is equipped with after valve core rod B, shell front hollow out is equipped with steel ball, steel ball is connect with housing.Usefulness of the present invention：Structure novel, it is ingenious in design simple, it is suitable for band press operation.
Description
Technical field
The present invention relates to a kind of attachment device of fast assembling-disassembling, especially quick couplings.
Background technology
Quick coupling includes hydraulic quick coupling and various fluid quick joints, it is that one kind quickly connecting or disconnecting pipe
The attachment device of fast assembling-disassembling is realized on road.Since quick coupling has the function of that dual check pipeline disconnects No leakage, in stone
Oil, metallurgy, water power, engineering machinery, ship, electromechanical equipment etc. are widely used in fields.Connecting structure for quick coupling is
The most important part of quick coupling, its connection type and structure directly determine the ease of use of quick coupling, reliability
And product quality.Quick coupling is made of famale connector and male contact two parts, and existing quick coupling connection is justified by female connector body
Sun is locked or exited to mono- group of steel ball of Zhou Junbu by the mobile change female connector body circumference uniform distribution steel ball center of circle size of outer lock set
Connector.Push outer lock set that male contact is pushed into famale connector when male contact needs to be inserted into famale connector, male contact unclamps after being inserted into
Housing, housing are restored to original position by contained spring and lock male contact, piping connection.When male contact need to exit, push the moon
Male contact exits when the outer lock set of connector makes equal portion's steel ball center of circle reach maximum, and pipeline disconnects.For needing the feelings with press operation
Condition, portioned product is complicated, manufacturing cost is high, thereby increases and it is possible to influence the using effect and safety in utilization of quick coupling.
Invention content
In order to solve the above-mentioned complicated technical problem of band press operation, the present invention provides quick coupling.
Technical scheme is as follows：
Quick coupling, including male contact and famale connector, male contact include plug, and plug connector rear outer wall is arranged with plug connector body,
Valve seat A is fixed in the middle part of plug inner wall, plug front is equipped with bayonet A, and outer wall is equipped with back stop slot on rear side of bayonet A, is set in bayonet A
There is spool A, valve core rod A is equipped in spool A, valve core rod A is stretched from spool A, and valve core case A, valve core case A are equipped with after valve core rod A
Valve core spring A is equipped between valve seat A, the fronts spool A protrusion, famale connector includes shell and housing, and rear outer wall is arranged
There are shell joint body, shell and the external wall of shell joint to be cased with housing, inner walls rear portion is fixed with valve seat B, inner walls
Bayonet B is convexed to form to center position, spool B is equipped in bayonet B, is equipped with valve core rod B in spool B, valve core rod B is stretched from spool B
Out, it is equipped with valve core case B after valve core rod B, valve core spring B, the fronts spool B protrusion, shell are equipped between valve core case B and valve seat B
Body front hollow out is equipped with steel ball, and steel ball is connect with housing.
Fittings body O-ring A and fittings body O-ring B, shell and shell are set between the plug and plug connector body contact both ends
Body fittings body is equipped with fittings body O-ring C and fittings body O-ring D between contacting both ends.
The big rear portion of the plug connector body and shell joint body front is small, the rectangular shape in junction of front and rear, preceding
Portion's outer wall is equipped with notch, and front inner wall is smooth, and rear inside wall diameter is inner small and outside big, and plug front outer wall is recessed inwardly, and rear is
Back stop slot, plug connector rear outer wall be equipped with the fixed convex block of plug connector body, it is big outer small in plug bayonet A bores, on rear side of bayonet A
Interior walls be smooth.
The valve seat A, valve seat B, valve core case A, valve core case B are triangle vavle, and valve seat A and valve seat B cross section of inboard wall are rectangular
Shape, spool A rear portion outer walls are contacted with valve seat A inner walls, and spool A outer walls and bayonet A are in sealing contact, and it is O-shaped that spool A outer walls are equipped with spool
A, spool A center hollows are enclosed, end face is recessed inwardly to form notch from top to bottom, and spool B rear portion outer walls are contacted with valve seat B inner walls,
Spool B outer walls and bayonet B are in sealing contact, spool B outer walls be equipped with spool O-ring B, spool B center hollows, end face from top to bottom to
The diameter on sunken inside formation notch, spool A and the heads spool B becomes larger from front to back.
The valve core rod A and valve core rod B is bar A, bar B, connector and bar C from front to back, and the diameter of bar A is more than bar B, even
Junctor is the connector of round platform A, cylinder A, round platform B and cylinder B from front to back.
The housing front inner wall is equipped with steel ball groove A and steel ball groove B, steel ball groove A and steel ball groove B is located at steel ball
The both sides of link position, recess are connected with inclined-plane, and housing rear inside wall is equipped with spring groove A, and shell is equipped with spring groove B, spring
Slot A is consistent with spring groove B notch length, and spring groove A and spring groove B place outer casing spring.
Using technical scheme of the present invention, structure novel is ingenious in design simple, is suitable for band press operation, and plug is inserted into, spool
Bar A is to push valve core rod B first, plays the role of part pressure release preceding, easy to operate because pressure in this way is small, then valve core rod A
It is flushed with spool A, pushes spool B together, effect is very good on resisting impact of the high-velocity fluid with the slow pulse of solution, improves
The performance parameter of quick coupling；Processing is simple, convenient and fast connection, intensity is high, resistance to deficient property is good, operating pressure up to 35MPa,
Reachable -40 DEG C to 200 DEG C of high temperature resistant；Access times are plugged up to 500,000 times.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of famale connector in the present invention；
Fig. 3 is the structural schematic diagram of male contact in the present invention；
Fig. 4 is the structural schematic diagram of spool A and the tops spool B in the present invention.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment
Quick coupling as shown in Figure 1,2,3, 4, including male contact and famale connector, male contact include plug 2, after plug 2
Portion's outer wall is arranged with plug connector body 15, and valve seat A5 is fixed in the middle part of 2 inner wall of plug, and junction is equipped with valve seat baffle ring A11, inserts
First 2 front is equipped with bayonet A26, and outer wall is equipped with back stop slot on rear side of bayonet A26, and spool A4 is equipped in bayonet A26, is equipped in spool A4
Valve core rod A17, valve core rod A17 are stretched from spool A4, and valve core case A18, valve core case A18 and valve seat A5 are equipped with after valve core rod A17
Between be equipped with valve core spring A12, the fronts spool A4 protrusion, famale connector includes shell 1 and housing 3, and 1 rear portion outer wall of shell is arranged with
Shell joint body 14, shell 1 and 14 outer wall of shell joint body are cased with housing 3, and 1 back interior wall of shell is fixed with valve seat B30, even
It meeting place and is equipped with valve seat baffle ring B21,1 inner wall of shell convexes to form bayonet B27 to center position, spool B24 is equipped in bayonet B27,
Valve core rod B25 is equipped in spool B24, valve core rod B25 is stretched from spool B24, and valve core case B23, valve are equipped with after valve core rod B25
Valve core spring B22, the fronts spool B24 protrusion are equipped between core print seat B23 and valve seat B30,1 front hollow out of shell is equipped with steel ball 8,
Steel ball 8 is connect with housing 3.
The plug 2 and plug connector body 15 set fittings body O-ring A10 and fittings body O-ring B16 between contacting both ends,
Shell 1 and shell joint body 14 are equipped with fittings body O-ring C20 and fittings body O-ring D21 between contacting both ends.
The big rear portion of the plug connector body 15 and 14 front of shell joint body is small, and the junction of front and rear is rectangular
Shape, front outer wall are equipped with notch, and front inner wall is smooth, and rear inside wall diameter is inner small and outside big, and 2 front outer wall of plug is recessed inwardly,
Rear is back stop slot, 2 rear portion outer wall of plug be equipped with 15 fixed convex block of plug connector body, it is big outer in 2 bayonet A26 bores of plug
It is small, interior walls be smooth on rear side of bayonet A26.
The valve seat A5, valve seat B30, valve core case A18, valve core case B23 are triangle vavle, and valve seat A5 and valve seat B30 inner walls are horizontal
The rectangular shape in section, spool A4 rear portion outer walls are contacted with valve seat A5 inner walls, and spool A4 outer walls and bayonet A26 are in sealing contact, spool
A4 outer walls are equipped with spool O-ring A32, and spool A4 center hollows, end face is recessed inwardly to form notch from top to bottom, after spool B24
Portion's outer wall is contacted with valve seat B30 inner walls, and spool B24 outer walls and bayonet B27 are in sealing contact, and spool B24 outer walls are equipped with spool O-ring
B13, sealing function, spool B24 center hollows, end face are recessed inwardly to form notch from top to bottom, spool A4 and the heads spool B24
Diameter become larger from front to back.
The valve core rod A17 and valve core rod B25 is bar A, bar B, connector and bar C from front to back, and the diameter of bar A is more than bar
B, connector are the connector of round platform A, cylinder A, round platform B and cylinder B from front to back.It is to increase that the diameter of bar A, which is more than bar B,
Flow area is equipped with plug valve core housing O-ring A19 between connector and spool B24, plug is equipped between connector and spool A4
Valve core housing O-ring B31, sealing function.
3 front inner wall of the housing is equipped with steel ball groove A28 and steel ball groove B29, steel ball groove A28 and steel ball groove
B29 is located at the both sides of 8 link position of steel ball, and recess is connected with inclined-plane, and 3 rear inside wall of housing is equipped with spring groove A, and shell 1 is set
There is spring groove B, spring groove A is consistent with spring groove B notch length, and spring groove A and spring groove B place outer casing spring 9.Steel ball 8 connects
Connect and withstand steel ball 8 at position, when needing activity, spring groove A and spring groove B for accommodating steel ball 8, it is front and back can, recess
Connected with inclined-plane, it is fast into slot speed, need more distances without inclined-plane, spring groove A and spring groove B be suitable for it is plug-type,
Fast, outer casing spring 9 is on two slots.
In use, inner wall is equipped with shell O-ring 6 and housing plastic king 7 on the outside of bayonet B27, plug 2 is inserted into, valve core rod A17
Preceding, it is to push valve core rod B25 first, plays the role of part pressure release, easy to operate because pressure in this way is small, then valve core rod A17
It is flushed with spool A4, pushes spool B24 together, end face is recessed inwardly to form notch from top to bottom, and notch plays storage fluid, valve
Core bar A17 and spool A4 are circulated by gap, if without this notch, flow is few, ineffective, until steel ball 8 locks
Back stop slot is respectively further from bayonet A26 and bayonet B27, and spool A4 and spool B24 front-end cross-sectional views are arc-shaped, is convenient for smooth channel,
Flow velocity is fast, goes out through valve seat B30, circulates between triangle vavle triangle, and circulation area is big, and runner is opened.
It should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not sufficient to the limitation present invention's
Technical solution within the spirit and principles in the present invention, can add according to the above description for those of ordinary skills
It with increase and decrease, replacement, transformation or improvement, and all these increases and decreases, replaces, transformation or improved technical solution, should all belong to this
The protection domain of invention appended claims.
Claims (6)
1. quick coupling, including male contact and famale connector, it is characterised in that：Male contact includes plug（2）, plug（2）Outside rear portion
Wall is arranged with plug connector body（15）, plug（2）It is fixed with valve seat A in the middle part of inner wall（5）, plug（2）Front is equipped with bayonet A
（26）, bayonet A（26）Rear side outer wall is equipped with back stop slot, bayonet A（26）In be equipped with spool A（4）, spool A（4）In be equipped with valve core rod
A（17）, valve core rod A（17）From spool A（4）It stretches, valve core rod A（17）It is equipped with valve core case A afterwards（18）, valve core case A（18）With
Valve seat A（5）Between be equipped with valve core spring A（12）, spool A（4）Front protrusion, famale connector includes shell（1）And housing（3）, shell
Body（1）Rear portion outer wall is arranged with shell joint body（14）, shell（1）With shell joint body（14）Outer wall is cased with housing（3）, shell
（1）Back interior wall is fixed with valve seat B（30）, shell（1）Inner wall convexes to form bayonet B to center position（27）, bayonet B（27）
In be equipped with spool B（24）, spool B（24）In be equipped with valve core rod B（25）, valve core rod B（25）From spool B（24）It stretches, spool
Bar B（25）It is equipped with valve core case B afterwards（23）, valve core case B（23）With valve seat B（30）Between be equipped with valve core spring B（22）, spool B
（24）Front protrusion, shell（1）Front hollow out is equipped with steel ball（8）, steel ball（8）With housing（3）Connection.
2. quick coupling according to claim 1, it is characterised in that：The plug（2）With plug connector body（15）Contact
Fittings body O-ring A is set between both ends（10）With fittings body O-ring B（16）, shell（1）With shell joint body（14）Contact both ends
Between be equipped with fittings body O-ring C（20）With fittings body O-ring D（21）.
3. quick coupling according to claim 1, it is characterised in that：The plug connector body（15）With shell joint body
（14）The big rear portion in front is small, the rectangular shape in junction of front and rear, and front outer wall is equipped with notch, and front inner wall is smooth, after
Portion's inner diameter is inner small and outside big, plug（2）Front outer wall is recessed inwardly, and rear is back stop slot, plug（2）Rear portion outer wall be equipped with
Plug connector body（15）Fixed convex block, plug（2）Bayonet A（26）Big outer small, bayonet A in bore（26）Rear side interior walls be smooth.
4. quick coupling according to claim 1, it is characterised in that：The valve seat A（5）, valve seat B（30）, valve core case A
（18）, valve core case B（23）For triangle vavle, valve seat A（5）With valve seat B（30）The rectangular shape of cross section of inboard wall, spool A（4）Rear portion
Outer wall and valve seat A（5）Inner wall contacts, spool A（4）Outer wall and bayonet A（26）It is in sealing contact, spool A（4）Outer wall is equipped with spool O
Type circle A（32）, spool A（4）Center hollow, end face are recessed inwardly to form notch from top to bottom, spool B（24）Rear portion outer wall and valve
Seat B（30）Inner wall contacts, spool B（24）Outer wall and bayonet B（27）It is in sealing contact, spool B（24）Outer wall is equipped with spool O-ring B
（13）, spool B（24）Center hollow, end face are recessed inwardly to form notch from top to bottom, spool A（4）With spool B（24）Head
Diameter becomes larger from front to back.
5. quick coupling according to claim 1, it is characterised in that：The valve core rod A（17）With valve core rod B（25）In the past
It is bar A, bar B, connector and bar C after arriving, the diameter of bar A is more than bar B, and connector is round platform A, cylinder A, round platform B from front to back
With the connector of cylinder B.
6. quick coupling according to claim 1, it is characterised in that：The housing（3）Front inner wall is equipped with steel ball groove A
（28）With steel ball groove B（29）, steel ball groove A（28）With steel ball groove B（29）Positioned at steel ball（8）The both sides of link position, it is recessed
It falls into and sentences inclined-plane connection, housing（3）Rear inside wall is equipped with spring groove A, shell（1）Equipped with spring groove B, spring groove A and spring groove B
Notch length is consistent, and spring groove A and spring groove B place outer casing spring（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403215.6A CN108317324A (en) | 2018-04-28 | 2018-04-28 | Quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403215.6A CN108317324A (en) | 2018-04-28 | 2018-04-28 | Quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317324A true CN108317324A (en) | 2018-07-24 |
Family
ID=62894899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810403215.6A Pending CN108317324A (en) | 2018-04-28 | 2018-04-28 | Quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317324A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594512A (en) * | 2019-10-11 | 2019-12-20 | 安徽科德森机械有限公司 | One-way double-sealing hydraulic quick-change connector |
| 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 |
| CN112696545A (en) * | 2020-10-23 | 2021-04-23 | 浙江松乔气动液压有限公司 | Novel quick connector |
| CN113124248A (en) * | 2021-05-18 | 2021-07-16 | 北京辉程动力科技有限公司 | Panel connecting quick connector for vehicle power battery cooling pipeline |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07260077A (en) * | 1994-03-16 | 1995-10-13 | Nitto Kohki Co Ltd | Pipe coupler |
| JPH07280156A (en) * | 1994-04-11 | 1995-10-27 | Betsuseru Kogyo:Kk | Fluid flow-through joint |
| CN103307392A (en) * | 2013-06-26 | 2013-09-18 | 浙江松乔气动液压有限公司 | Quick coupling |
| CN204328301U (en) * | 2014-12-19 | 2015-05-13 | 浙江松乔气动液压有限公司 | A kind of rapid pipe joint |
| CN206377383U (en) * | 2016-12-23 | 2017-08-04 | 浙江松乔气动液压有限公司 | Snap joint |
| CN208651920U (en) * | 2018-04-28 | 2019-03-26 | 浙江松乔气动液压有限公司 | Quick coupling |
-
2018
- 2018-04-28 CN CN201810403215.6A patent/CN108317324A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07260077A (en) * | 1994-03-16 | 1995-10-13 | Nitto Kohki Co Ltd | Pipe coupler |
| JPH07280156A (en) * | 1994-04-11 | 1995-10-27 | Betsuseru Kogyo:Kk | Fluid flow-through joint |
| CN103307392A (en) * | 2013-06-26 | 2013-09-18 | 浙江松乔气动液压有限公司 | Quick coupling |
| CN204328301U (en) * | 2014-12-19 | 2015-05-13 | 浙江松乔气动液压有限公司 | A kind of rapid pipe joint |
| CN206377383U (en) * | 2016-12-23 | 2017-08-04 | 浙江松乔气动液压有限公司 | Snap joint |
| CN208651920U (en) * | 2018-04-28 | 2019-03-26 | 浙江松乔气动液压有限公司 | Quick coupling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594512A (en) * | 2019-10-11 | 2019-12-20 | 安徽科德森机械有限公司 | One-way double-sealing hydraulic quick-change connector |
| 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 |
| CN112696545A (en) * | 2020-10-23 | 2021-04-23 | 浙江松乔气动液压有限公司 | Novel quick connector |
| CN113124248A (en) * | 2021-05-18 | 2021-07-16 | 北京辉程动力科技有限公司 | Panel connecting quick connector for vehicle power battery cooling pipeline |
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