CN102788208B - Flying wing-type quick coupling - Google Patents
Flying wing-type quick coupling Download PDFInfo
- Publication number
- CN102788208B CN102788208B CN201210278877.8A CN201210278877A CN102788208B CN 102788208 B CN102788208 B CN 102788208B CN 201210278877 A CN201210278877 A CN 201210278877A CN 102788208 B CN102788208 B CN 102788208B
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- Prior art keywords
- plunger body
- projection
- valve rod
- poppet valve
- connecting body
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Abstract
The invention discloses a flying wing-type quick coupling, which comprises a coupling matrix and an adaptive rotary plug, wherein the coupling matrix comprises a plunger body of which the rear end is connected with an external hard tube; the inner side wall of the plunger body is provided with a first bulge inwards extending in the radial direction; the rear side of the first bulge is provided with a lift valve capable of moving front and back in the plunger body; the rear end face of the first bulge is abutted with both sides of the front end face of the lift valve; and a first oil-way channel is formed by a part in the plunger body, which is located at the rear side of the lift valve. The rotary plug comprises a butterfly nut, a connector and a hollow valve rod, wherein the butterfly nut is in screw-thread fit with the plunger body; the connector is connected with an external hose; the rear end of the connector extends into the butterfly nut; the front end of the valve rod extends into the connector; a second oil-way channel is formed in the valve rod; the side wall of the valve rod is provided with an open pore communicated with the second oil-way channel; the open pore is located at the rear side of the connector; a differential pressure valve plunger assembly capable of moving front and back relative to the valve rod is arranged between the connector and the valve rod; and the rear end of the differential pressure valve plunger assembly is located at the rear side of the open pore. The flying wing-type quick coupling is simple and reliable in assembly.
Description
Technical field
The present invention relates to a kind of rapid pipe joint for automotive industry, especially a kind of rapid pipe joint of flying wing type.
Background technique
At present automobile oil supply system extensively adopts that price is low, the flexible pipe of function admirable is as nylon tube, to replace traditional metallic conduit, pipeline connection in braking system still adopts traditional metallic conduit, the connection of above-mentioned two kinds of pipelines adopts the linkage structure of traditional metallic conduit, it is Bite type fittings, comprise union body and the pipe joint with union nut, cutting ferrule and lining, its sealing is that the surface of contact being coordinated by cutting ferrule and union body guarantees, and is locked by union nut.
The pipeline of braking system and joint must seal reliably, convenient disassembly, once the faults such as leakage occur pipe-line system, can lead to security incident.Above-mentioned this FERRULETYPE linkage structure, exists following shortcoming: 1. assembly space requires greatly, and union nut needs spanner to operate, and needs thus larger space, and has the restriction of setting angle; 2. efficiency of assembling is low, can not use pneumatic wrench, can only be by manually tightening union nut, and need to carry out screw-down torque detection to each nut; 3. the screw-down torque of union nut has determined sealing and the reliability at pipe joint place, if screw-down torque is below standard, likely causes poorly sealed even flexible pipe to come off.
Summary of the invention
Technical problem to be solved by this invention is the flying wing type rapid pipe joint that assembly manipulation is simple, efficiency of assembling is high.
The present invention solves the problems of the technologies described above adopted technological scheme: a kind of flying wing type rapid pipe joint, comprise joint parent and adaptive rotary connector, and it is characterized in that,
Described joint parent comprises that rear end connects the plunger body of outer rigid conduit, described plunger body madial wall is provided with the first projection extending radially inwardly, described the first protruding rear side is provided with the poppet valve that can move forward and backward in described plunger body, the front-end face both sides butt of the ear end face of described the first projection and described poppet valve, described poppet valve rear side is provided with first spring that can make described poppet valve reset to front side; The part that is positioned at described poppet valve rear side in described plunger body forms the first asphalt channel;
Described rotary connector comprises the wing nut with described plunger body screw-thread fit, connects the connecting body of external hose, and the valve rod of hollow, and the rear end of described connecting body extends in described wing nut; The front end of described valve rod extends in described connecting body, forms the second asphalt channel in described valve rod, offers the perforate being communicated with described the second asphalt channel on described valve rod sidewall, and described perforate is positioned at described connecting body rear side; Between described connecting body and described valve rod, be provided with the piston assy can relatively described valve rod moving forward and backward, the rear end of described piston assy is positioned at described perforate rear side, and the front end of described piston assy is provided with second spring that can make described piston assy reset to rear side;
When described joint parent and the assembling of described rotary connector, described valve rod rear end face can promote described poppet valve backward side shifting leave described first and convex to form gap, described the first projection can promote described piston assy and move by side to forward the front side of described perforate, thereby makes described the second asphalt channel and described the first asphalt channel by the gap conducting between the gap between described perforate, described poppet valve and described the first projection and described poppet valve and described plunger body madial wall.
Described poppet valve comprises copper seat, in the middle of the front end of described copper seat, has groove, and the ear end face of described valve rod has the projection with described groove fit; The ear end face of described piston assy has the second projection extending radially outwardly, and described the second projection coordinates with described the first projection, and joint parent and rotary connector can be promoted mutually easily.
On the front-end face of described copper seat, be provided with rubber pad, on the ear end face of described the second projection, there is glue-line, can reduce the wearing and tearing while promotion.
Described plunger body front end has connecting head, and described connecting head has outside thread, with described wing nut screw-thread fit, can be inserted between described wing nut and described connecting body, described poppet valve is positioned at described connecting head rear side, by screw-thread fit, and can be by plug and the locking of joint parent.
Described copper seat be circumferentially provided with packing ring, between described packing ring and the madial wall of described plunger body, there is gap, one end of described the first spring and described packing ring butt, the other end of described the first spring and the front end butt of back nut that is arranged on described plunger body rear end, in the time of assembling, poppet valve is pushed side shifting backward, now the first spring is compressed, the gap of hydraulic oil between packing ring and plunger body and the first spring, pass through, in the time of dismounting, the first spring applies restoring force to poppet valve, makes poppet valve get back to initial position.
The joint of described plunger body and described back nut is provided with nut seal circle, has guaranteed the sealing between plunger body and back nut.
The front end butt of one end of described the second spring and described piston assy, stepped part butt on the other end of described the second spring and described connecting body madial wall, in the time of assembling, piston assy is side shifting forward, compress the second spring, hydraulic oil from perforate by entering joint parent, when when dismounting, the second spring applies restoring force to piston assy, makes piston assy get back to initial position.
The outside of described plunger body is provided with the first seal ring of the assembling described wing nut of rear sealing and described plunger body, described connecting body outside is provided with the second seal ring of the assembling described connecting body of rear sealing and described plunger body, between described piston assy and described connecting body madial wall, be provided with the 3rd seal ring, thereby guarantee between joint parent and rotary connector, to there is good sealing.
Between the front end of described wing nut and described connecting body, be provided with snap ring, the relative position of wing nut and connecting body is fixed.
Compared with prior art, the invention has the advantages that: by being rotated in the process of rotary connector at joint parent, make the asphalt channel conducting of joint parent and rotary connector, without by other instruments, can complete the assembling of rapid pipe joint, connection is reliable and convenient, the good seal performance of rapid pipe joint.
Accompanying drawing explanation
Fig. 1 is the sectional view of joint parent of the present invention;
Fig. 2 is the sectional view of rotary connector of the present invention;
Fig. 3 is the assembling schematic diagram of joint parent of the present invention and rotary connector.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Referring to Fig. 1 and Fig. 2, a kind of flying wing type rapid pipe joint, comprises joint parent and adaptive rotary connector with it.Wherein, joint parent comprises plunger body 11, plunger body 11 comprises and is positioned at the externally threaded connecting head 111 of having of front end, for back nut 12 being set with the rear end of plunger body 11, to be connected with hard tube, the joint of plunger body 11 and back nut 12 is provided with nut seal circle 121, to guarantee the sealing of path.The rear side of connecting head 111 is provided with poppet valve 13, and poppet valve 13 comprises copper seat 131, in the middle of the front-end face of copper seat 131, has groove 1311, is provided with rubber pad 132 on front-end face, the wearing and tearing while extruding to reduce assembly connection.Copper seat 131 be circumferentially provided with packing ring 14, its front surface and copper seat 131 butts, make copper seat 131 in the time moving backward, can promote packing ring 14 moves backward, the madial wall of poppet valve 13 and plunger body 11, and leave certain gap between packing ring 14 and the madial wall of plunger body 11, pass through for hydraulic oil.
One end butt of the rear surface of packing ring 14 and the first spring 15, the other end of the first spring 15 is fixed on the front end of back nut 12, thus this one end can maintain static.The outside of plunger body 11 is provided with the first seal ring 112, the madial wall of plunger body 11 is provided with the first projection 113 extending radially inwardly, the front-end face both sides butt of the ear end face of this first projection 113 and copper seat 131, makes the interior connecting head 111 of plunger body 11 not communicate with the rear side of poppet valve 13 thus.The part of interior poppet valve 13 rear sides of plunger body 11 forms the first asphalt channel 16.
Rotary connector comprises wing nut 21, and it has internal thread, with the outside thread adaptation of connecting head 111.The rear end of connecting body 22 is stretched in wing nut 21, between the front end of wing nut 21 and connecting body 22, be provided with snap ring 211, both relative positions are fixed thus, and the front end of connecting body 22 has internal thread, for being connected with flexible pipe, the outside, rear end of connecting body 22 is provided with the second seal ring 221.Valve rod 24 is the hollow shape with ear end face, has projection 241 thereafter in the middle of end face, coordinates interior formation the second asphalt channel 23 of valve rod 24 with the groove 1311 of copper seat 131.Position near rear end on valve rod 24 sidewalls offers perforate 242, is communicated with the second asphalt channel 23.The ear end face of connecting body 22 is positioned at perforate 242 front sides.
Between the madial wall of connecting body 22 and valve rod 24, be provided with piston assy 25, piston assy 25 can move relative to valve rod 24, when unassembled, its rear end is positioned at the rear side of perforate 242, seal thus the second asphalt channel 23, ear end face has the second projection 251 extending radially outwardly, and coordinates with the projection of first in plunger body 11 113, on the ear end face of the second projection 251, scribbles glue-line; The front end of piston assy 25 extends in connecting body 22, one end butt with the second spring 26, stepped part 222 butts on the other end of the second spring 26 and connecting body 22 madial walls, are provided with the 3rd seal ring 223 between piston assy 25 and connecting body 22 madial walls.
In the time of assembling, referring to Fig. 3, rotary connector rotation is inserted into joint parent screw-internal thread fit and fixes.Now, connecting head 111 is inserted between wing nut 21 and connecting body 22, valve rod 24 be inserted into connecting head 111 interior after, the projection 241 of its rear end coordinates with the groove 1311 of poppet valve 13 front ends, the position of valve rod 24 rear end projection 241 both sides coordinates with the position, both sides of poppet valve 13 front-end faces, and piston assy 25 rear ends second projection 251 with plunger body 11 in the first protruding 113 butts.Along with stretching into after rotary connector rotation, valve rod 24 promotes poppet valve 13 side shifting backward, and the first projection 113 promotes piston assy 25 side shifting forward, and now the first spring 15 and the second spring 26 are compressed.In the time that the rear end of piston assy 25 is positioned at the front side of perforate 242, the first projection 113 and no longer butt and form gap of poppet valve 13.The hydraulic oil coming from flexible pipe enters into the gap between the first projection 113 and poppet valve 13 from the second asphalt channel 23 after perforate 242, and by the gap between packing ring 14 and plunger body 11 madial walls, via entering into the first asphalt channel 16 after the first spring 15, then enter hard tube, pipeline conducting, until the ear end face butt of the second projection 251 and connecting body 22, assembling completes, and running of hydraulic power oil direction as shown by arrows.Now, between connecting body 22 and plunger body 11, seal by the second seal ring 221, between plunger body 11 and wing nut 21, seal by the first seal ring 223.
Need to dismantle time, only need be by rotary connector opposite spin.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for the ordinary skill in the art, not departing under principle prerequisite of the present invention, can also make various deformation and improvement, this also should be considered as protection scope of the present invention.
Claims (9)
1. a flying wing type rapid pipe joint, comprises joint parent and adaptive rotary connector, it is characterized in that,
Described joint parent comprises that rear end connects the plunger body (11) of outer rigid conduit, described plunger body (11) madial wall is provided with the first projection (113) extending radially inwardly, described the first projection (113) rear side is provided with the poppet valve (13) that can move forward and backward in described plunger body (11), the front-end face both sides butt of the ear end face of described the first projection (113) and described poppet valve (13), described poppet valve (13) rear side is provided with first spring (15) that can make described poppet valve (13) reset to front side; The part that is positioned at described poppet valve (13) rear side in described plunger body (11) forms the first asphalt channel (16);
Described rotary connector comprises the wing nut (21) with described plunger body (11) screw-thread fit, connect the connecting body (22) of external hose, and the valve rod of hollow (24), the rear end of described connecting body (22) extends in described wing nut (21); The front end of described valve rod (24) extends in described connecting body (22), in described valve rod (24), form the second asphalt channel (23), on described valve rod (24) sidewall, offer the perforate (242) being communicated with described the second asphalt channel (23), described perforate (242) is positioned at described connecting body (22) rear side; Between described connecting body (22) and described valve rod (24), be provided with the piston assy (25) can relatively described valve rod (24) moving forward and backward, the rear end of described piston assy (25) is positioned at described perforate (242) rear side, and the front end of described piston assy (25) is provided with second spring (26) that can make described piston assy (25) reset to rear side;
When described joint parent and the assembling of described rotary connector, described valve rod (24) ear end face can promote described poppet valve (13) backward side shifting leave described the first projection (113) form gap, described the first projection (113) can promote described piston assy (25) and move by side to forward the front side of described perforate (242), thereby make described the second asphalt channel (23) and described the first asphalt channel (16) by described perforate (242), gap between described poppet valve (13) and described the first projection (113), and gap conducting between described poppet valve (13) and described plunger body (11) madial wall.
2. flying wing type rapid pipe joint as claimed in claim 1, it is characterized in that, described poppet valve (13) comprises copper seat (131), in the middle of the front end of described copper seat (131), have groove (1311), the ear end face of described valve rod (24) has the projection (241) coordinating with described groove (1311); The ear end face of described piston assy (25) has the second projection (251) extending radially outwardly, and described the second projection (251) coordinates with described the first projection (113).
3. flying wing type rapid pipe joint as claimed in claim 2, is characterized in that, is provided with rubber pad (132) on the front-end face of described copper seat (131), on the ear end face of described the second projection (113), has glue-line.
4. flying wing type rapid pipe joint as claimed in claim 1, it is characterized in that, described plunger body (11) front end has connecting head (111), described connecting head (111) has outside thread, with described wing nut (21) screw-thread fit, can be inserted between described wing nut (21) and described connecting body (22), described poppet valve (13) is positioned at described connecting head (111) rear side.
5. flying wing type rapid pipe joint as claimed in claim 2 or claim 3, it is characterized in that, described copper seat (131) be circumferentially provided with packing ring (14), between the madial wall of described packing ring (14) and described plunger body (11), there is gap, one end of described the first spring (15) and described packing ring (14) butt, the other end of described the first spring (15) and the front end butt of back nut (12) that is arranged on described plunger body (11) rear end.
6. flying wing type rapid pipe joint as claimed in claim 5, is characterized in that, the joint of described plunger body (11) and described back nut (12) is provided with nut seal circle (121).
7. the flying wing type rapid pipe joint as described in any one in claim 1-4, it is characterized in that, the front end butt of one end of described the second spring (26) and described piston assy (25), stepped part (222) butt on the other end of described the second spring (26) and described connecting body (22) madial wall.
8. flying wing type rapid pipe joint as claimed in claim 1, it is characterized in that, the outside of described plunger body (11) is provided with first seal ring (112) of the assembling described wing nut of rear sealing (21) and described plunger body (11), described connecting body (22) outside is provided with second seal ring (221) of the assembling described connecting body of rear sealing (22) and described plunger body (11), between described piston assy (25) and described connecting body (22) madial wall, is provided with the 3rd seal ring (223).
9. flying wing type rapid pipe joint as claimed in claim 1, is characterized in that, between the front end of described wing nut (21) and described connecting body (22), is provided with snap ring (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278877.8A CN102788208B (en) | 2012-08-07 | 2012-08-07 | Flying wing-type quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278877.8A CN102788208B (en) | 2012-08-07 | 2012-08-07 | Flying wing-type quick coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102788208A CN102788208A (en) | 2012-11-21 |
| CN102788208B true CN102788208B (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210278877.8A Expired - Fee Related CN102788208B (en) | 2012-08-07 | 2012-08-07 | Flying wing-type quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102788208B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630783A (en) * | 2018-12-14 | 2019-04-16 | 中国航空工业集团公司西安飞机设计研究所 | One kind being connected to envelope hose fastly |
| CN111578017B (en) * | 2020-05-23 | 2022-05-13 | 邵立坤 | Anti-leakage hose connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5700040A (en) * | 1995-02-23 | 1997-12-23 | Bundy Corporation | Fluid quick connector |
| CN2396255Y (en) * | 1999-11-02 | 2000-09-13 | 黄宏岳 | Oil-pressure joint |
| EP1724511B1 (en) * | 2000-04-06 | 2012-03-07 | ITT Manufacturing Enterprises, Inc. | Quick connector with a retainer |
| ITMI20032348A1 (en) * | 2003-12-02 | 2005-06-03 | Faster Spa | QUICK COUPLING WITH A FACE FACE FOR TUBE CONNECTION, |
| CN102537561A (en) * | 2012-02-07 | 2012-07-04 | 中国人民解放军总后勤部油料研究所 | Quick connector for hoses |
| CN202674643U (en) * | 2012-08-07 | 2013-01-16 | 慈溪市千义液压件有限公司 | Flying-wing type quick coupling |
-
2012
- 2012-08-07 CN CN201210278877.8A patent/CN102788208B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102788208A (en) | 2012-11-21 |
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Granted publication date: 20140521 Termination date: 20140807 |
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