CN105318128A - Hydraulic quick coupling - Google Patents
Hydraulic quick coupling Download PDFInfo
- Publication number
- CN105318128A CN105318128A CN201410339070.XA CN201410339070A CN105318128A CN 105318128 A CN105318128 A CN 105318128A CN 201410339070 A CN201410339070 A CN 201410339070A CN 105318128 A CN105318128 A CN 105318128A
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- CN
- China
- Prior art keywords
- male connector
- negative joint
- plug body
- spool
- seal ring
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- 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.)
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a hydraulic quick coupling. A lock shell is arranged on the outer side of a clamping part of a male coupling and a female coupling, a lock shell spring is arranged between the lock shell and the female coupling, a shaft clamp spring is further arranged between the lock shell and the female coupling, the male coupling further comprises a plug body A, a hole clamp spring A is arranged between opposite faces of the plug body A and a male coupling valve element, a seal ring A is arranged between a cone body at the front end of the male coupling valve element and a connecting body connected with a cylinder at the rear end of the male coupling valve element, a receding stopping groove used for clamping a steel ball is formed in the outer side of the front end of the plug body A, the female coupling further comprises a plug body B, a hole clamp spring B is arranged between opposite faces of the plug body B and a female coupling valve element, a seal ring B is arranged between a cone body at the front end of the female coupling valve element and a connecting body connected with a cylinder at the rear end of the female coupling valve element, and a steel ball is arranged at the position, corresponding to the receding stopping groove of the plug body A, of the front end of the plug body B. In this way, the coupling can be used for machining an external circle inner hole and a steel ball locking positioning hole in a one-off mode on a lathe, and makes the position accuracy of the steel ball locking positioning hole exceed standards.
Description
Technical field
The present invention relates to a kind of special device of fast assembling-disassembling, specifically a kind of hydraulic quick coupling.
Background technique
Rapid pipe joint comprises hydraulic quick coupling and various fluid quick joint, and it is a kind of quick connection or disconnects the special device that pipeline realizes fast assembling-disassembling.Due to its energy fast insert-pull, the fields such as building, railway, industrial and mineral hydraulic tools, oil, metallurgy, water power, boats and ships, electromechanical equipment therefore can be used in.Connecting structure for quick coupling is the most important part of rapid pipe joint, and its Placement and structure directly determine the ease of use of rapid pipe joint, reliability and quality of product.Rapid pipe joint is made up of socket and plug two-part, and it is by socket circumference uniform distribution one group of steel ball that existing rapid pipe joint connects, and is realized locking by the mobile change socket circumference uniform distribution steel ball center of circle radial position of outer lock set or is exited plug.Promoting overcoat when plug needs to insert socket pushes in socket by plug, and plug unclamps overcoat after inserting, and overcoat returns to original position locking plug by contained spring, and pipeline disconnects.
At present, present rapid pipe joint is all process after cylindrical endoporus from lathe, then holes to lathe.Its shortcoming is: the ball lock position of positioning hole degree of boring is inaccurate, and deviation is large, easily causes when lock with bull that steel ball point of contact is not at same circumference, and this rapid pipe joint reduces much working life.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provide one can on lathe once processing excircles endoporus and ball lock positioning hole, make the overproof hydraulic quick coupling of the position accuracy of ball lock positioning hole.
In order to solve the problems of the technologies described above, the invention provides following technological scheme:
A kind of hydraulic quick coupling, comprise male connector and negative joint, male connector comprises male connector valve seat and the male connector spool be located in male connector valve seat, spring A is provided with between male connector valve seat and male connector spool, negative joint comprises negative joint valve seat and the negative joint spool be located in negative joint valve seat, spring B is provided with between negative joint valve seat and negative joint spool, the outside that the clamping part of male connector and negative joint divides is provided with lock housing, lock housing spring is provided with between lock housing and negative joint, axle jump ring is also provided with between lock housing and negative joint, male connector also comprises plug body A, hole jump ring A is provided with between the forward surface of plug body A and male connector spool, the cone of male connector spool front end be provided with seal ring A between the connecting body being connected back end cylindrical body, the front end outer side of plug body A is provided with the locking trough blocking steel ball, negative joint also comprises plug body B, hole jump ring B is provided with between the forward surface of plug body B and negative joint spool, the cone of negative joint spool front end be provided with seal ring B between the connecting body being connected back end cylindrical body, the front end of plug body B and be provided with steel ball with the corresponding part, locking trough position of plug body A.
Further, back-up ring and seal ring C is provided with between the inner side forward surface that the clamping part of male connector and negative joint divides.
Further, the material of back-up ring is teflon.
Further, the activity of male connector spool is located in male connector valve seat.
Further, the activity of negative joint spool is located in negative joint valve seat.
Further, seal ring A, seal ring B and seal ring C are " O " RunddichtringO.
Further, the material of seal ring A, seal ring B and seal ring C is fluorine rubber.
Further, the quantity of steel ball is at least 12.
Further, the outside of plug body A and plug body B is equipped with the screw thread of NPT3/4.
Further, male connector and negative joint all adopt the slim hexagonal copper nut of S36.
A kind of hydraulic quick coupling of the present invention, this rapid pipe joint is once-through, there is no the clamping that second time or more is secondary, can on lathe once processing excircles endoporus and ball lock positioning hole, make the overproof hydraulic quick coupling of the position accuracy of ball lock positioning hole, and this rapid pipe joint impulse-free robustness, the injury of butt joint can not be brought.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the sectional view of upper half part of a kind of hydraulic quick coupling of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1, hydraulic quick coupling be symplex structure up and down, therefore Fig. 1 merely illustrates the sectional view of upper half part, the present invention includes male connector 1 and negative joint 13, male connector 1 comprises male connector valve seat 3 and the male connector spool 101 be located in male connector valve seat 3, valve core spring A121 is provided with between male connector valve seat 3 and male connector spool 101, negative joint 13 comprises negative joint valve seat 14 and the negative joint spool 102 be located in negative joint valve seat 14, valve core spring B122 is provided with between negative joint valve seat 14 and negative joint spool 102, the outside that male connector 1 divides with the clamping part of negative joint 13 is provided with lock housing 9, lock housing spring 6 is provided with between lock housing 9 and negative joint 13, axle jump ring 4 is also provided with between lock housing 9 and negative joint 13, male connector 1 also comprises plug body A151, hole jump ring A21 is provided with between the forward surface of plug body A151 and male connector spool 101, the cone of male connector spool 101 front end be provided with seal ring A111 between the connecting body being connected back end cylindrical body, the front end outer side of plug body A151 is provided with the locking trough 16 blocking steel ball 5, negative joint 13 also comprises plug body B152, hole jump ring B22 is provided with between the forward surface of plug body B152 and negative joint spool 102, the cone of negative joint spool 102 front end be provided with seal ring B112 between the connecting body being connected back end cylindrical body, the front end of plug body B152 and be provided with steel ball 5 with the corresponding part, locking trough 16 position of plug body A151.Wherein, back-up ring 7 and seal ring C8 is provided with between the inner side forward surface that the clamping part of male connector 1 and negative joint 2 divides.The material of back-up ring 7 is teflon.Male connector spool 101 activity is located in male connector valve seat 3.Negative joint spool 102 activity is located in negative joint valve seat 14.Seal ring A111, seal ring B112 and seal ring C8 are " O " RunddichtringO.The material of seal ring A111, seal ring B112 and seal ring C8 is fluorine rubber.The quantity of steel ball 5 is at least 12.The outside of plug body A151 and plug body B152 is equipped with the screw thread of NPT3/4.Male connector 1 and negative joint 2 all adopt the slim hexagonal copper nut of S36.
A kind of hydraulic quick coupling of the present invention, valve core spring A121 is provided with between male connector valve seat 3 and male connector spool 101, valve core spring B122 is provided with between negative joint valve seat 14 and negative joint spool 102, lock housing spring 6 is provided with between lock housing 9 and negative joint 13, axle jump ring 4 is also provided with between lock housing 9 and negative joint 13, hole jump ring A21 is provided with between the forward surface of plug body A151 and male connector spool 101, hole jump ring B22 is provided with between the forward surface of plug body B152 and negative joint spool 102, therefore, this joint is by male connector valve seat 3, male connector spool 101, negative joint valve seat 14, negative joint spool 102, lock housing 9, negative joint 13, plug body A151 is all connected by spring with plug body B152, will to be cooperatively interacted with spring-back force by the elasticity of spring between all parts and be connected, the cone of male connector spool 101 front end be provided with seal ring A111 between the connecting body being connected back end cylindrical body, the cone of negative joint spool 102 front end be provided with seal ring B112 between the connecting body being connected back end cylindrical body, back-up ring 7 and seal ring C8 is provided with between the inner side forward surface that the clamping part of male connector 1 and negative joint 2 divides, therefore, improve by the sealing of seal ring by this joint, male connector spool 101 activity is located in male connector valve seat 3, and negative joint spool 102 activity is located in negative joint valve seat 14, therefore, is convenient to dismounting, the material of back-up ring 7 is teflon, and the material of seal ring A111, seal ring B112 and seal ring C8 is fluorine rubber, and therefore, the sealability of back-up ring 7 and seal ring is compared to the better performances of general seal ring, seal ring A111, seal ring B112 and seal ring C8 are " O " RunddichtringO, and therefore, the sealing of this joint is more even, the outside of plug body A151 and plug body B152 is equipped with the screw thread of NPT3/4, and male connector 1 and negative joint 2 all adopt the slim hexagonal copper nut of S36, and therefore, this joint is more convenient, laborsaving when operating.In addition, the defect such as the sealing surfaces such as all Sealings and O type circle have not allowed to weigh wounded, plucking, manufacturer's standard: meet ISO7241-A, operating temperature-20 DEG C-125 DEG C, maximum service pressure is 25MPa.
A kind of hydraulic quick coupling of the present invention, utilize Y-axis and the Y-axis unit head function of lathe, the parent part of this rapid pipe joint is made directly on numerically controlled lathe, to change steel ball 5 locking and positioning hole with Y-axis first unit head after processing excircles and internal control hole, then second unit head positioning lock tieholen is used, such guarantee steel ball 5 locking and positioning hole and the once-through of cylindrical endoporus, there is no the deviation of position degree, both avoided secondary clamping and also saved manually; And then the burr in steel ball 5 locking and positioning hole is removed with outer circle finish turning cutter and finishing tool for processing inner hole, avoid artificial removal's burr, it also avoid burr and remove unclean, the steel ball 5 in easy stuck locking and positioning hole, and burr enters pressurized oil system.
During use, when rapid pipe joint connects, male connector 1 is inserted negative joint 2, male connector 1 front end enters promotion negative joint spool 102 and moves, overcome spring force, negative joint spool 102 separates with negative joint valve seat 14 conical surface, and steel ball 5 enters after in male connector 1 locking trough 16 and unclamps lock housing 9, and lock housing 9 is pushed into locked position by lock housing spring 6, pipeline connects, and fluid passage is connected; When male connector 1 exits, promote lock housing 9 cynomorium songaricum joint 1 automatic spring under spring force, negative joint spool 102 is closed, and pipeline disconnects.
In sum, this rapid pipe joint is once-through, there is no the clamping that second time or more is secondary, can on lathe once processing excircles endoporus and steel ball 5 locking and positioning hole, make the overproof hydraulic quick coupling of position accuracy in steel ball 5 locking and positioning hole, and this rapid pipe joint impulse-free robustness, the injury of butt joint can not be brought.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a hydraulic quick coupling, comprise male connector and negative joint, described male connector comprises male connector valve seat and the male connector spool be located in described male connector valve seat, spring A is provided with between described male connector valve seat and described male connector spool, described negative joint comprises negative joint valve seat and the negative joint spool be located in described negative joint valve seat, spring B is provided with between described negative joint valve seat and described negative joint spool, it is characterized in that: the outside that the clamping part of described male connector and described negative joint divides is provided with lock housing, lock housing spring is provided with between described lock housing and described negative joint, axle jump ring is also provided with between described lock housing and described negative joint, described male connector also comprises plug body A, hole jump ring A is provided with between the forward surface of described plug body A and described male connector spool, the cone of described male connector spool front end be provided with seal ring A between the connecting body being connected back end cylindrical body, the front end outer side of described plug body A is provided with the locking trough blocking steel ball, described negative joint also comprises plug body B, hole jump ring B is provided with between the forward surface of described plug body B and described negative joint spool, the cone of described negative joint spool front end be provided with seal ring B between the connecting body being connected back end cylindrical body, the front end of described plug body B and be provided with steel ball with the corresponding part, locking trough position of described plug body A.
2. a kind of hydraulic quick coupling according to claim 1, is characterized in that: be provided with back-up ring and seal ring C between the inner side forward surface that the clamping part of described male connector and described negative joint divides.
3. a kind of hydraulic quick coupling according to claim 1, is characterized in that: the material of described back-up ring is teflon.
4. a kind of hydraulic quick coupling according to claim 1, is characterized in that: the activity of described male connector spool is located in described male connector valve seat.
5. a kind of hydraulic quick coupling according to claim 1, is characterized in that: the activity of described negative joint spool is located in described negative joint valve seat.
6. a kind of hydraulic quick coupling according to claim 1 and 2, is characterized in that: described seal ring A, described seal ring B and described seal ring C are " O " RunddichtringO.
7. a kind of hydraulic quick coupling according to claim 6, is characterized in that: the material of described seal ring A, described seal ring B and described seal ring C is fluorine rubber.
8. a kind of hydraulic quick coupling according to claim 1, is characterized in that: the quantity of described steel ball is at least 12.
9. a kind of hydraulic quick coupling according to claim 1, is characterized in that: the outside of described plug body A and described plug body B is equipped with the screw thread of NPT3/4.
10. a kind of hydraulic quick coupling according to claim 1, is characterized in that: described male connector and described negative joint all adopt the slim hexagonal copper nut of S36.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339070.XA CN105318128A (en) | 2014-07-12 | 2014-07-12 | Hydraulic quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339070.XA CN105318128A (en) | 2014-07-12 | 2014-07-12 | Hydraulic quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105318128A true CN105318128A (en) | 2016-02-10 |
Family
ID=55246134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410339070.XA Pending CN105318128A (en) | 2014-07-12 | 2014-07-12 | Hydraulic quick coupling |
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| Country | Link |
|---|---|
| CN (1) | CN105318128A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781556A (en) * | 2016-08-31 | 2018-03-09 | 盐城市锦东液压机械有限公司 | A kind of plane formula snap joint |
| CN108278432A (en) * | 2018-03-05 | 2018-07-13 | 新乡平原航空液压设备有限公司 | A kind of quick coupling and its famale connector |
| CN112879695A (en) * | 2021-01-14 | 2021-06-01 | 艾泰斯热系统研发（上海）有限公司 | Connect valve and cooling system soon |
| CN113586826A (en) * | 2020-04-30 | 2021-11-02 | 上海亚大汽车塑料制品有限公司 | Bidirectional stop joint |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395453A1 (en) * | 1977-06-20 | 1979-01-19 | Gromelle Raymond | Quick disconnect coupling for high pressure hydraulics - has springs of different strengths to minimise leakage through central joint |
| DE3637176A1 (en) * | 1986-10-31 | 1988-05-05 | Voswinkel Kg | Leak-free hydraulic coupling |
| CN2319663Y (en) * | 1997-12-03 | 1999-05-19 | 湖北省麻城市新叶液压机械有限公司 | Hydraulic fast joint |
| CN201554974U (en) * | 2009-10-19 | 2010-08-18 | 艾迪斯鼎力科技(天津)有限公司 | Novel fast interface |
| CN201916630U (en) * | 2011-01-20 | 2011-08-03 | 胡嘉林 | Self-locking type quick coupling |
| CN203585644U (en) * | 2013-11-26 | 2014-05-07 | 浙江松乔气动液压有限公司 | Novel connector |
| CN203979728U (en) * | 2014-07-12 | 2014-12-03 | 盐城市锦东液压机械有限公司 | A kind of hydraulic quick coupling |
-
2014
- 2014-07-12 CN CN201410339070.XA patent/CN105318128A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395453A1 (en) * | 1977-06-20 | 1979-01-19 | Gromelle Raymond | Quick disconnect coupling for high pressure hydraulics - has springs of different strengths to minimise leakage through central joint |
| DE3637176A1 (en) * | 1986-10-31 | 1988-05-05 | Voswinkel Kg | Leak-free hydraulic coupling |
| CN2319663Y (en) * | 1997-12-03 | 1999-05-19 | 湖北省麻城市新叶液压机械有限公司 | Hydraulic fast joint |
| CN201554974U (en) * | 2009-10-19 | 2010-08-18 | 艾迪斯鼎力科技(天津)有限公司 | Novel fast interface |
| CN201916630U (en) * | 2011-01-20 | 2011-08-03 | 胡嘉林 | Self-locking type quick coupling |
| CN203585644U (en) * | 2013-11-26 | 2014-05-07 | 浙江松乔气动液压有限公司 | Novel connector |
| CN203979728U (en) * | 2014-07-12 | 2014-12-03 | 盐城市锦东液压机械有限公司 | A kind of hydraulic quick coupling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781556A (en) * | 2016-08-31 | 2018-03-09 | 盐城市锦东液压机械有限公司 | A kind of plane formula snap joint |
| CN108278432A (en) * | 2018-03-05 | 2018-07-13 | 新乡平原航空液压设备有限公司 | A kind of quick coupling and its famale connector |
| CN113586826A (en) * | 2020-04-30 | 2021-11-02 | 上海亚大汽车塑料制品有限公司 | Bidirectional stop joint |
| CN112879695A (en) * | 2021-01-14 | 2021-06-01 | 艾泰斯热系统研发（上海）有限公司 | Connect valve and cooling system soon |
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Application publication date: 20160210 |