CN202674643U - Flying-wing type quick coupling - Google Patents
Flying-wing type quick coupling Download PDFInfo
- Publication number
- CN202674643U CN202674643U CN 201220388664 CN201220388664U CN202674643U CN 202674643 U CN202674643 U CN 202674643U CN 201220388664 CN201220388664 CN 201220388664 CN 201220388664 U CN201220388664 U CN 201220388664U CN 202674643 U CN202674643 U CN 202674643U
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- CN
- China
- Prior art keywords
- plunger body
- projection
- valve rod
- connecting body
- poppet valve
- 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.)
- Withdrawn - After Issue
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a flying-wing type quick coupling, which comprises a joint matrix and an adaptive rotating plug, wherein the joint matrix comprises a plunger body connected with an external hard tube at the rear end; an inner side wall of the plunger body is provided with a first bulge extending inwards in the radial direction; a lift valve which can move to and fro in the plunger body is arranged on the rear side of the first bulge; the rear end face of the first bulge is propped against the front end face of the lift valve; a first oil way channel is formed in the part of plunger body located on the rear side of the lift valve; the rotating plug comprises a butterfly nut in threaded fit with the plunger body, a connecting body connecting an external hose, and a hollow valve rod; the rear end of the connecting body is extended into the butterfly nut; the front end of the valve rod is extended into the connecting body; a second oil way channel is formed in the valve rod; an opening communicated with the second oil way channel is opened on the valve rod side wall; and the opening is located at the right side of the connecting body. A pressure differential valve plunger assembly that can move to and pro relative to the valve rod is arranged between the connecting body and the valve rod; and the rear end of the pressure differential valve plunger assembly is located at the rear side of the opening. The assembling is simple and reliable.
Description
Technical field
The utility model 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 the automobile oil supply system adopt extensively that price is low, the flexible pipe of function admirable such as nylon tube, to replace traditional metallic conduit, traditional metallic conduit is still adopted in pipeline connection in braking system, the linkage structure of traditional metallic conduit is adopted in the connection of above-mentioned two kinds of pipelines, it is Bite type fittings, comprise union body and the pipe joint with union nut, cutting ferrule and lining, its sealing is to be guaranteed by the surface of contact that cutting ferrule and union body cooperate, and is locked by union nut.
The pipeline of braking system and joint must seal reliably, convenient disassembly, in case pipe-line system the fault such as leakage occurs then can lead to security incident.Above-mentioned this FERRULETYPE linkage structure then exists following shortcoming: 1. assembly space requires greatly, and union nut needs spanner to operate, and needs thus larger space, and the restriction of setting angle is arranged; 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 to each nut and detect; 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, then might cause poorly sealed even flexible pipe comes off.
The model utility content
Technical problem to be solved in the utility model is the flying wing type rapid pipe joint that assembly manipulation is simple, efficiency of assembling is high.
The utility model solves the problems of the technologies described above the technological scheme that adopts: 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 the rear end connects the plunger body of outer rigid conduit, described plunger body madial wall is provided with the first projection that extends radially inwardly, the described 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 the first spring that described poppet valve is resetted to the front side; The part that is positioned at described poppet valve rear side in the 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 the described wing nut; The front end of described valve rod extends in the described connecting body, forms the second asphalt channel in the described valve rod, offers the perforate that is communicated with described the second asphalt channel on the described valve rod sidewall, and described perforate is positioned at described connecting body rear side; Be provided with the piston assy that can relatively described valve rod moves forward and backward between described connecting body and the described valve rod, 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 the second spring that described piston assy is resetted 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 the gap, described first the projection can promote the front side that described piston assy moves by side to forward described perforate, thereby so that 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 the described plunger body madial wall.
Described poppet valve comprises the copper seat, has groove in the middle of the front end of described copper seat, 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 that extends radially outwardly, and described the second projection cooperates with described the first projection, so that joint parent and rotary connector can promote mutually easily.
Be provided with rubber pad on the front-end face of described copper seat, have glue-line on the ear end face of described the second projection, can reduce the wearing and tearing when promoting.
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 the described connecting body, described poppet valve is positioned at described connecting head rear side, by screw-thread fit, and can be with plug and the locking of joint parent.
Described copper seat circumferentially be provided with packing ring, has the gap between the madial wall of described packing ring and described plunger body, 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 that is arranged on the back nut of described plunger body rear end, poppet valve is pushed backward side shifting when assembling, this moment, the first spring was compressed, hydraulic oil between packing ring and plunger body the gap and the first spring pass through, the first spring applies restoring force to poppet valve when dismounting, so that poppet valve is got back to initial position.
The joint of described plunger body and described back nut is provided with the nut seal circle, has guaranteed the sealing between plunger body and the back nut.
One end of described the second spring and the front end butt of described piston assy, stepped part butt on the other end of described the second spring and the described connecting body madial wall, when assembling, piston assy is side shifting forward, compress the second spring, hydraulic oil from perforate by entering the joint parent, when dismounting, the second spring applies restoring force to piston assy, so that piston assy is got back to initial position.
The outside of described plunger body is provided with the first seal ring of the rear described wing nut of sealing of assembling and described plunger body, the described connecting body outside is provided with the second seal ring of the rear described connecting body of sealing of assembling and described plunger body, be provided with the 3rd seal ring between described piston assy and the described connecting body madial wall, thereby guarantee to have good sealing between joint parent and the rotary connector.
Be provided with snap ring between the front end of described wing nut and the described connecting body, so that the relative position of wing nut and connecting body is fixed.
Compared with prior art, the utility model has the advantage of: by being rotated in the process of rotary connector at the joint parent, so that the asphalt channel conducting of joint parent and rotary connector, need not by other instruments, can finish the assembling of rapid pipe joint, connection is reliable and convenient, the good seal performance of rapid pipe joint.
Description of drawings
Fig. 1 is the sectional view of joint parent of the present utility model;
Fig. 2 is the sectional view of rotary connector of the present utility model;
Fig. 3 is the assembling schematic representation of joint parent of the present utility model and rotary connector.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
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, the 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, be used for the rear end of plunger body 11 back nut 12 being set, 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, has groove 1311 in the middle of the front-end face of copper seat 131, is provided with rubber pad 132 on the front-end face, the wearing and tearing when pushing to reduce assembly connection.Copper seat 131 circumferentially be provided with packing ring 14, its front surface and copper seat 131 butts, so that copper seat 131 is when moving backward, it is mobile backward to promote packing ring 14, the madial wall of poppet valve 13 and plunger body 11, and leave certain gap between the madial wall of packing ring 14 and 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 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 that extends radially inwardly, the front-end face both sides butt of the ear end face of this first projection 113 and copper seat 131, thus so that plunger body 11 interior connecting heads 111 do not communicate with the rear side of poppet valve 13.The part of plunger body 11 interior poppet valve 13 rear sides forms the first asphalt channel 16.
Rotary connector comprises wing nut 21, and it has internal thread, with adaptive with the outside thread of connecting head 111.The rear end of connecting body 22 is stretched in the wing nut 21, be provided with snap ring 211 between the front end of wing nut 21 and the connecting body 22, both relative positions are fixed thus, and the front end of connecting body 22 has internal thread, be used 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 in the middle of the end face thereafter, cooperates valve rod 24 interior formation the second asphalt channels 23 with the groove 1311 of copper seat 131.Position near the 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.
Be provided with piston assy 25 between the madial wall of connecting body 22 and the valve rod 24, piston assy 25 can move relative to valve rod 24, when unassembled, its rear end is positioned at the rear side of perforate 242, sealed thus the second asphalt channel 23, ear end face has the second projection 251 that extends radially outwardly, and cooperates with first in the plunger body 11 protruding 113, scribbles glue-line on the ear end face of the second projection 251; The front end of piston assy 25 extends in the connecting body 22, 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.
When assembling, referring to Fig. 3, the rotary connector rotation is inserted into joint parent screw-internal thread fit fixes.At this moment, connecting head 111 is inserted between wing nut 21 and the connecting body 22, valve rod 24 be inserted into connecting head 111 interior after, the projection 241 of its rear end cooperates with the groove 1311 of poppet valve 13 front ends, the position of valve rod 24 rear end projections 241 both sides then cooperates with the position, both sides of poppet valve 13 front-end faces, and the second projection 251 of piston assy 25 rear ends and the first protruding 113 butts in the plunger body 11.Along with stretching into after the rotary connector rotation, valve rod 24 promotes backward side shifting of poppet valve 13, and the first projection 113 promotes forward side shifting of piston assy 25, and this moment, the first spring 15 and the second spring 26 were compressed.When the rear end of piston assy 25 was positioned at the front side of perforate 242, the first projection 113 and poppet valve 13 be butt and form the gap no longer.The hydraulic oil that comes from flexible pipe from the second asphalt channel 23 through entering into the gap between the first projection 113 and the poppet valve 13 after the perforates 242, and by the gap between packing ring 14 and plunger body 11 madial walls, via entering into the first asphalt channel 16 behind the first spring 15, then enter hard tube, the pipeline conducting, until the ear end face butt of the second projection 251 and connecting body 22, assembling is finished, and the running of hydraulic power oil direction as shown by arrows.At this moment, by 221 sealings of the second seal ring, then seal by the first seal ring 223 between plunger body 11 and the wing nut 21 between connecting body 22 and the plunger body 11.
When needing dismounting, only need the rotary connector opposite spin is got final product.
The above only is preferred implementation of the present utility model; should be pointed out that for the ordinary skill in the art, do not breaking away under the principle prerequisite of the present utility model; can also make various deformation and improvement, this also should be considered as protection domain of the present utility model.
Claims (9)
1. flying wing type rapid pipe joint comprises joint parent and adaptive rotary connector, it is characterized in that,
Described joint parent comprises that the rear end connects the plunger body (11) of outer rigid conduit, described plunger body (11) madial wall is provided with the first projection (113) that extends 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 the first spring (15) that described poppet valve (13) is resetted to the front side; The part that is positioned at described poppet valve (13) rear side in the 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, the connecting body (22) that connects external hose, and the valve rod of hollow (24), the rear end of described connecting body (22) extends in the described wing nut (21); The front end of described valve rod (24) extends in the described connecting body (22), form the second asphalt channel (23) in the described valve rod (24), offer the perforate (242) that is communicated with described the second asphalt channel (23) on described valve rod (24) sidewall, described perforate (242) is positioned at described connecting body (22) rear side; Be provided with the piston assy (25) that can relatively described valve rod (24) moves forward and backward between described connecting body (22) and the described valve rod (24), 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 the second spring (26) that described piston assy (25) is resetted 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) and form the gap, described the first projection (113) can promote the front side that described piston assy (25) moves by side to forward described perforate (242), thereby so that 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 the 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), have groove (1311) in the middle of the front end of described copper seat (131), the ear end face of described valve rod (24) has the projection (241) that cooperates with described groove (1311); The ear end face of described piston assy (25) has the second projection (251) that extends radially outwardly, and described the second projection (251) cooperates 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), has glue-line on the ear end face of described the second projection (113).
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 the described connecting body (22), described poppet valve (13) is positioned at described connecting head (111) rear side.
5. such as each described flying wing type rapid pipe joint among the claim 1-4, it is characterized in that, described copper seat (131) circumferentially be provided with packing ring (14), has the gap between the madial wall of described packing ring (14) and described plunger body (11), 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 that is arranged on the back nut (12) of 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. such as each described flying wing type rapid pipe joint among the 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. as claimed in claim 1 flying wing type rapid pipe joint, it is characterized in that, the outside of described plunger body (11) is provided with first seal ring (112) of assembling rear sealing described wing nut (21) and described plunger body (11), described connecting body (22) outside is provided with second seal ring (221) of assembling rear sealing described connecting body (22) and described plunger body (11), is provided with the 3rd seal ring (223) between described piston assy (25) and described connecting body (22) madial wall.
9. flying wing type rapid pipe joint as claimed in claim 1 is characterized in that, is provided with snap ring (211) between the front end of described wing nut (21) and the described connecting body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388664 CN202674643U (en) | 2012-08-07 | 2012-08-07 | Flying-wing type quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388664 CN202674643U (en) | 2012-08-07 | 2012-08-07 | Flying-wing type quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674643U true CN202674643U (en) | 2013-01-16 |
Family
ID=47495549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220388664 Withdrawn - After Issue CN202674643U (en) | 2012-08-07 | 2012-08-07 | Flying-wing type quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788208A (en) * | 2012-08-07 | 2012-11-21 | 慈溪市千义液压件有限公司 | Flying wing-type quick coupling |
-
2012
- 2012-08-07 CN CN 201220388664 patent/CN202674643U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788208A (en) * | 2012-08-07 | 2012-11-21 | 慈溪市千义液压件有限公司 | Flying wing-type quick coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20140521 |
|
| RGAV | Abandon patent right to avoid regrant |