CN208651920U - Quick coupling - Google Patents
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- CN208651920U CN208651920U CN201820638663.XU CN201820638663U CN208651920U CN 208651920 U CN208651920 U CN 208651920U CN 201820638663 U CN201820638663 U CN 201820638663U CN 208651920 U CN208651920 U CN 208651920U
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- spool
- wall
- valve core
- plug
- shell
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- 230000008878 coupling Effects 0.000 title claims abstract description 24
- 238000010168 coupling process Methods 0.000 title claims abstract description 24
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000011726 slow pulse Diseases 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a kind of attachment devices of fast assembling-disassembling, especially quick coupling.Quick coupling, including male contact and famale connector, male contact includes plug, 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, 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.The usefulness of the utility model: structure novel, it is ingenious in design simple, it is suitable for band press operation.
Description
Technical field
The utility model relates to a kind of attachment devices of fast assembling-disassembling, especially quick coupling.
Background technique
Quick coupling includes hydraulic quick coupling and various fluid quick joints, it is that one kind quickly connects or disconnects 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.It pushes outer lock set that male contact is pushed into famale connector when male contact needs to be inserted into famale connector, is unclamped after male contact insertion
Housing, housing are restored to original position by contained spring and lock male contact, piping connection.When male contact need to exit, push yin
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, structure is complicated for portioned product, manufacturing cost is high, thereby increases and it is possible to influence the using effect and safety in utilization of quick coupling.
Utility model content
In order to solve the above-mentioned complicated technical problem of band press operation, the utility model provides quick coupling.
The technical solution of the utility model 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, plug inner wall middle part are fixed with valve seat A, and plug front is equipped with bayonet A, and outer wall is equipped with back stop slot, bayonet A on rear side of bayonet A
In be equipped with 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, spool are equipped with after valve core rod A
Valve core spring A is equipped between seat A and valve seat A, the front spool A protrusion, famale connector includes shell and housing, rear outer wall set
Equipped with shell joint body, shell and the external wall of shell joint are cased with housing, and inner walls rear portion is fixed with valve seat B, in shell
Wall convexes to form bayonet B to center position, and spool B is equipped in bayonet B, is equipped with valve core rod B in spool B, and valve core rod B is from spool B
It stretches, valve core case B is equipped with after valve core rod B, valve core spring B is equipped between valve core case B and valve seat B, the front spool B is raised,
Shell front hollow out is equipped with steel ball, and steel ball is connect with housing.
Fitting body O-ring A and fitting body O-ring B, shell and shell are set between the plug and plug connector body contact both ends
Body fitting body, which contacts, is equipped with fitting body O-ring C and fitting body O-ring D between both ends.
The big rear portion of the plug connector body and shell joint body front is small, the rectangular shape in the 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 are equipped with the convex block fixed with plug connector body, big outer small, bayonet A rear side in plug bayonet A bore
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 wall are contacted with valve seat A inner wall, and spool A outer wall and bayonet A are in sealing contact, and it is O-shaped that spool A outer wall is equipped with spool
A, spool A center hollow are enclosed, end face is recessed inwardly to form notch from top to bottom, and spool B rear portion outer wall is contacted with valve seat B inner wall,
Spool B outer wall and bayonet B are in sealing contact, spool B outer wall be equipped with spool O-ring B, spool B center hollow, end face from top to bottom to
The diameter on sunken inside formation notch, spool A and the head 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 greater than bar B, even
Junctor is the connector of rotary table A, cylinder A, rotary table 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 are located at steel ball
The two 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 the technical solution of the utility model, structure novel is ingenious in design simple, is suitable for band press operation, and plug is inserted into,
Valve core rod 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 spool
Bar A and spool A are flushed, and push spool B together, and effect is very good in the impact for resisting high-velocity fluid and the slow pulse of solution, are mentioned
The high performance parameter of quick coupling；Processing is simple, convenient and fast connection, intensity is high, resistance to deficient property is good, and operating pressure is up to 35M
Reachable -40 DEG C to 200 DEG C of Pa, high temperature resistant；Access times are plugged up to 500,000 times.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of famale connector in the utility model；
Fig. 3 is the structural schematic diagram of male contact in the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment
Quick coupling as shown in Figure 1, 2, 3, including male contact and famale connector, male contact include plug 2,2 rear portion of plug
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 retaining ring A11, plug
2 fronts are 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 with valve in spool A4
Core bar A17, valve core rod A17 are stretched from spool A4, after valve core rod A17 be equipped with valve core case A18, valve core case A18 and valve seat A5 it
Between be equipped with valve core spring A12, the front spool A4 protrusion, famale connector includes shell 1 and housing 3, and 1 rear portion outer wall of shell is arranged with shell
Body fitting 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, connection
Place is equipped with valve seat retaining ring B21, and 1 inner wall of shell convexes to form bayonet B27 to center position, is equipped with spool B24, valve in bayonet B27
Valve core rod B25 is equipped in core B24, valve core rod B25 is stretched from spool B24, and valve core case B23, spool are equipped with after valve core rod B25
Valve core spring B22, the front spool B24 protrusion are equipped between seat B23 and valve seat B30,1 front hollow out of shell is equipped with steel ball 8, steel
Pearl 8 connect with housing 3.
The plug 2 and plug connector body 15 contact and set fitting body O-ring A10 and fitting body O-ring B16 between both ends,
Shell 1 and shell joint body 14, which contact, is equipped with fitting body O-ring C20 and fitting body O-ring D21 between 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, and 2 rear portion outer wall of plug is equipped with the convex block fixed with plug connector body 15, big outer in 2 bayonet A26 bore 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 wall are horizontal
The rectangular shape in section, spool A4 rear portion outer wall are contacted with valve seat A5 inner wall, and spool A4 outer wall and bayonet A26 are in sealing contact, spool
A4 outer wall is equipped with spool O-ring A32, and spool A4 center hollow, 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 wall, and spool B24 outer wall and bayonet B27 are in sealing contact, and spool B24 outer wall is equipped with spool O-ring
B13, sealing function, spool B24 center hollow, end face are recessed inwardly to form notch from top to bottom, spool A4 and the head 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 greater than bar
B, connector are the connector of rotary table A, cylinder A, rotary table B and cylinder B from front to back.It is to increase that the diameter of bar A, which is greater 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 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 two 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
It connects and withstands steel ball 8 at position, when needing activity, spring groove A and spring groove B are for accommodating steel ball 8, and front and back is ok, 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 is circulated by gap, ineffective if flow is few without this notch, 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 view 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 above is only the preferred embodiment of the utility model only, it is not sufficient to limit this reality
With novel technical solution, for those of ordinary skills, within the spirit and principles of the present invention, Ke Yigen
Increased and decreased according to above description, replaced, converted or is improved, and all these increases and decreases, replacement, transformation or improved technical side
Case all should belong to the protection scope of the appended claims for the utility model.
Claims (6)
1. quick coupling, including male contact and famale connector, it is characterised in that: male contact includes plug (2), outside plug (2) rear portion
Wall is arranged with plug connector body (15), is fixed with valve seat A(5 in the middle part of plug (2) inner wall), plug (2) front is equipped with bayonet A
(26), bayonet A(26) rear side outer wall be 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) stretched from spool A(4), valve core rod A(17) be equipped with valve core case A(18 afterwards), valve core case A(18) and
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), and shell (1) and shell joint body (14) outer wall are 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(27 to center position), 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) stretched from spool B(24), spool
Bar B(25) be equipped with valve core case B(23 afterwards), valve core case B(23) and valve seat B(30) between equipped with valve core spring B(22), spool B
(24) front protrusion, shell (1) front hollow out are equipped with steel ball (8), and steel ball (8) is connect with housing (3).
2. quick coupling according to claim 1, it is characterised in that: the plug (2) and plug connector body (15) contact
Fitting body O-ring A(10 is set between both ends) and fitting body O-ring B(16), shell (1) and shell joint body (14) contact both ends
Between be equipped with fitting body O-ring C(20) and fitting body O-ring D(21).
3. quick coupling according to claim 1, it is characterised in that: the plug connector body (15) and shell joint body
(14) the big rear portion in front is small, the rectangular shape in the 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, and plug (2) front outer wall is recessed inwardly, and rear is back stop slot, plug (2) rear portion outer wall be equipped with
The fixed convex block of plug connector body (15), plug (2) bayonet A(26) big outer small, bayonet A(26 in bore) 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) be triangle vavle, valve seat A(5) and valve seat B(30) the rectangular shape of cross section of inboard wall, spool A(4) rear portion
Outer wall is contacted with valve seat A(5) inner wall, spool A(4) outer wall and bayonet A(26) it is in sealing contact, spool A(4) outer wall be equipped with spool O
Type circle A(32), spool A(4) center hollow, end face is recessed inwardly to form notch, spool B(24 from top to bottom) rear portion outer wall and valve
Seat B(30) inner wall contact, 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 is recessed inwardly to form notch, spool A(4 from top to bottom) and 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) and 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 greater than bar B, and connector is rotary table A, cylinder A, rotary table B from front to back
With the connector of cylinder B.
6. quick coupling according to claim 1, it is characterised in that: housing (3) front inner wall is equipped with steel ball groove A
(28) and steel ball groove B(29), steel ball groove A(28) and steel ball groove B(29) be located at steel ball (8) link position two sides, it is recessed
It falls into and sentences inclined-plane connection, housing (3) rear inside wall is equipped with spring groove A, and shell (1) is 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 |
|---|---|---|---|
| CN201820638663.XU CN208651920U (en) | 2018-04-28 | 2018-04-28 | Quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638663.XU CN208651920U (en) | 2018-04-28 | 2018-04-28 | Quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651920U true CN208651920U (en) | 2019-03-26 |
Family
ID=65777021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820638663.XU Active CN208651920U (en) | 2018-04-28 | 2018-04-28 | Quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317324A (en) * | 2018-04-28 | 2018-07-24 | 浙江松乔气动液压有限公司 | Quick coupling |
-
2018
- 2018-04-28 CN CN201820638663.XU patent/CN208651920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317324A (en) * | 2018-04-28 | 2018-07-24 | 浙江松乔气动液压有限公司 | Quick coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Quick connector Effective date of registration: 20231201 Granted publication date: 20190326 Pledgee: Ningbo Cixi Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG SONGQIAO PNEUMATIC AND HYDRAULIC Co.,Ltd. Registration number: Y2023980068619 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |