CN202674653U - Quick coupling - Google Patents
Quick coupling Download PDFInfo
- Publication number
- CN202674653U CN202674653U CN 201220388884 CN201220388884U CN202674653U CN 202674653 U CN202674653 U CN 202674653U CN 201220388884 CN201220388884 CN 201220388884 CN 201220388884 U CN201220388884 U CN 201220388884U CN 202674653 U CN202674653 U CN 202674653U
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- China
- Prior art keywords
- valve rod
- main body
- plug
- plug body
- valve
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- Expired - Fee Related
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a quick coupling, which comprises a joint matrix and an adaptive plug, wherein the joint matrix comprises a hollow connecting body; a ball sleeve that can move to and fro relative to the connecting body is arranged in the connecting body; a bulge extending inwards in the radial direction is arranged on the front end face of the ball sleeve; a seal pipe pushed by the ball sleeve is further arranged in the connecting body; the front end of the seal pipe is circumferentially propped against the inner side of the bulge of the ball sleeve; a fixed valve rod is further arranged in the connecting body; the head part of the valve rod is circumferentially propped against the inner side of the seal pipe front end; a first oil way channel is formed in the clearance between the seal pipe and a valve rod main body; the plug comprises a hollow plug main body and a valve body that is arranged in the plug main body and can move to and fro relative to the plug main body; the valve body comprises a hollow valve main body; a push part fit with the valve rod head part is arranged on the outer side of the valve main body rear end; the push part is circumferentially propped against the inner side wall of the plug main body front end; and a second oil way channel is formed in the plug main body. The quick coupling is simple and reliable to assemble.
Description
Technical field
The utility model relates to a kind of joint for automotive industry, especially a kind of rapid pipe joint.
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.
Braking line 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 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 rapid pipe joint, comprise joint parent and adaptive plug, and it is characterized in that,
Described joint parent comprises the connecting body of the hollow that is connected with outer rigid conduit, be provided with the ball cover that can relatively described connecting body moves forward and backward in the described connecting body, the front-end face of described ball cover has the projection that extends radially inwardly, and described ball cover rear end is provided with the ball cover spring that described ball cover is resetted to the front side; Also be provided with the sealed pipe that is promoted by described ball cover in the described connecting body, the front end of described sealed pipe circumferentially is connected to the inboard of the projection of described ball cover, and the rear end of described sealed pipe is provided with the sealed pipe spring that described sealed pipe is resetted to the front side; Also be provided with fixed valve rod in the described connecting body, it is inboard that the valve rod head of described valve rod circumferentially is connected to described sealed pipe front end, the diameter of the valve rod main body of described valve rod back head is less than the diameter of described sealed pipe, also less than the diameter of described valve rod head, the gap between described sealed pipe and the described valve rod main body forms the first asphalt channel;
Described plug comprises the plug body of the hollow shape that is connected with external hose, with be arranged on described plug body in the valve body that can relative described plug body moves forward and backward, be provided with the valve body spring that described valve body is resetted to rear side in the described valve body, described valve body comprises the valve body main body of hollow, the described valve body body rear outside is provided with the pushing section that cooperates with described valve rod head, described pushing section circumferentially with the madial wall butt of described plug body front end, the diameter that is positioned at described pushing section rear side in the described plug body is formed with the second asphalt channel greater than the diameter that is positioned at described pushing section place in the described plug body;
When described joint parent and the assembling of described plug, described valve rod can promote described pushing section forward side shifting so that described pushing section and described plug body form the gap, described plug body can promote backward side shifting and then promote sealed pipe so that form direct clearance between described plug body and the described valve rod head to described plug body and the locking of described connecting body of described ball cover, thereby so that described the second asphalt channel and the first asphalt channel by the gap between described plug body and the described pushing section, and the gap conducting between described plug body and the described valve rod head.
The mode of connecting body and plug body locking, in the utility model, preferably the front end of described connecting body is inserted in the sleeve, the sidewall of described connecting body front end is provided with perforate, be provided with the lock ball that is supported by described ball cover in the described perforate, described sleeve madial wall is provided with the first groove corresponding with described position of opening and described lock ball butt, the outside of described plug body is provided with the second groove that cooperates with described lock ball, side shifting is so that described the second groove when moving to described tapping backward when described plug body, and described lock ball can drop in described the second groove so that described connecting body and the locking of described plug body by described perforate.The locking of connecting body and plug body also can be adopted other mode, such as the buckle connection etc.
The described connecting body outside also is provided with the snap ring that is positioned at described perforate front side, be provided with the sleeve spring that described sleeve is resetted to the front side in the described sleeve, when described lock ball is positioned at described the second groove, described sleeve under the effect of described sleeve spring forward side shifting until described snap ring and described the first groove butt define the forward position of side shifting of sleeve.
The outside of described connecting body is provided with the 3rd groove, is provided with the sleeve lock ball that props up described sleeve rear end in described the 3rd groove, avoids backward side shifting of the relative connecting body of sleeve.
The rear end of described connecting body is threaded with back nut, and described back nut is connected to outer rigid conduit.
Described back nut comprises main body and is positioned at the extension part of front end that described extension part is inserted in the described connecting body, is formed with outer stepped part and interior stepped part between the rear end of described extension part and the described main body; One end of described ball cover spring and described ball cover rear end butt, the other end and described outer stepped part butt; One end of described sealed pipe spring and the rear end butt of described sealed pipe, the other end and described interior stepped part butt, when assembling, ball cover and sealed pipe be side shifting backward, compressed ball sleeve spring and sealed pipe spring, when dismounting, the ball cover spring applies restoring force to ball cover, the sealed pipe spring applies restoring force to sealed pipe, respectively so that ball cover and sealed pipe are got back to initial position.
The means of fixation of valve rod is, be fixed with the first guide in the described back nut, described valve rod body rear is inserted in described the first guide and fixes, and described the first asphalt channel is communicated with outer rigid conduit by the gap between described the first guide and the described back nut madial wall.
Be fixed with the second guide in the described plug body, the front end of described valve body main body is inserted in described the second guide and fixes, described the second asphalt channel is formed by the gap between the gap between described the second guide and the described plug body and described valve body main body and the described plug body, and the valve body main body can be along the medial movement of the second guide.
One end of described valve body spring and the rear end of described valve body main body are fixed, and the front end butt of the other end and described the second guide is when assembling, valve body is side shifting forward, the compression valve body spring, when dismounting, valve body is applied restoring force with the valve body spring so that valve body is got back to initial position.
Be provided with the first seal ring between the outside of described sealed pipe rear end and the madial wall of described extension part front end, be provided with the second seal ring between described pushing section and the plug body, described valve rod head is provided with the valve stem packing ring of the described valve rod of sealing and sealed pipe, has guaranteed good sealing between joint parent and the plug.
Compared with prior art, the utility model has the advantage of: promote mutually by the parts in joint parent and the plug, so that the oil circuit conducting of both sides, need not by other instruments, can finish the assembling of rapid pipe joint, easy to connect, the good seal performance of rapid pipe joint; Be provided with the Lock Part of joint parent and plug, when assembling was finished, joint parent and plug locked mutually, so that connect comparatively reliable.
Description of drawings
Fig. 1 is the sectional view of joint parent of the present utility model;
Fig. 2 is the sectional view of plug of the present utility model;
Fig. 3 is the assembling schematic representation of joint parent of the present utility model and plug.
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 rapid pipe joint comprises joint parent and adaptive plug with it.Wherein, the joint parent comprises the connecting body 11 of hollow, the front end of connecting body 11 is inserted in the sleeve 12, its rear end is threaded with back nut 13, back nut 13 comprises main body 134 and is positioned at the extension part 131 of front end that extension part 131 is inserted in the connecting body 11, is formed with outer stepped part 132 and interior stepped part 133 between the main body 134 of the rear end of extension part 131 and back nut 13, main body 134 rear ends have internal thread, are used for being connected with hard tube.
The front end side wall of connecting body 11 is provided with perforate 113, is provided with lock ball 114 in the perforate 113, and sleeve 12 madial walls and perforate 113 corresponding positions are provided with the first groove 121.Connecting body 11 outsides also are provided with snap ring 116, are positioned at perforate 113 front sides.Connecting body 11 inboards are provided with ball cover 14, the front-end face of ball cover 14 flushes with the front-end face of sleeve 12, has the projection 141 that extends radially inwardly, an end butt of rear end and ball cover spring 142, the other end of ball cover spring 142 and outer stepped part 132 butts, ball cover spring 141 is positioned at extension part 131 outsides.Thus, the top of lock ball 114 is positioned at the first groove 121 and moves forward to prevent sleeve 12 relative connecting bodys 11, and the bottom is then supported by ball cover 14, prevents from dropping by perforate 113.The outside of connecting body 11 is provided with the 3rd groove 111, is provided with sleeve lock ball 112 in it, props up sleeve 12, so that sleeve 12 can not move backward relative to connecting body 11.
The outside of connecting body 11 is provided with scraper ring 115, an end of sleeve spring 122 and scraper ring 115 butts, and the madial wall butt of the other end and sleeve 12 is in compressive state when unassembled.
Also be provided with sealed pipe 15 in the connecting body 11, the front end of sealed pipe 15 circumferentially is connected to projection 141 inboards of ball cover 14, one end butt of the rear end of sealed pipe 15 and sealed pipe spring 151, interior stepped part 133 butts of the other end of sealed pipe spring 151 and back nut 13.Be provided with the first seal ring 152 between the madial wall of the outside of sealed pipe 15 rear ends and extension part 131 front ends, and support by the first seal ring packing ring 153, make stressed even.The outside of sealed pipe 15 is provided with stepped part 154, cooperates with the projection 141 of ball cover 14.
Also be provided with valve rod 16, it is inboard that the valve rod head 161 of valve rod 16 circumferentially is connected to sealed pipe 15 front ends, and valve rod head 161 is provided with valve stem packing ring 1611, keeps the sealing between valve rod 16 and the sealed pipe 15 when unassembled.Valve rod 16 is positioned at the valve rod main body 162 of valve rod head 161 rear sides, and its rear end is inserted in the first guide 163 and fixes, and wherein, the diameter of valve rod head 161 is greater than the diameter of valve rod main body 162, and the diameter of valve rod main body 162 is less than sealed pipe 15 and back nut 13.Main body 134 madial walls of the first guide 163 1 sides and back nut 13 are fixed, and have the gap between the madial wall of opposite side and main body 134.The first guide 163 rear ends are provided with the first loose rib 164, are used for location the first guide 163.Gap between sealed pipe 15 and the valve rod main body 162 forms the first asphalt channel 17.
Plug comprises the plug body 21 of hollow shape, and valve body 22 is arranged in the plug body 21, comprises the valve body main body 221 of hollow, and the outside, valve body main body 221 rear ends is provided with pushing section 222, and when unassembled, the ear end face of the front-end face of pushing section 222 and plug body 21 flushes.The madial wall butt of pushing section 222 and plug body 21 front ends is positioned at the diameter of pushing section 222 rear sides greater than the diameter at pushing section 222 places in the plug body 21.Be provided with the second seal ring 223 between pushing section 221 and the plug body 21, and support by the second seal ring packing ring 224, make stressed even.Valve body main body 221 inboards are provided with valve body spring 225, and its front end is inserted in the second guide 226, and an end of valve body spring 225 and the rear end of valve body main body 221 are fixed, the front end butt of the other end and the second guide 226.The madial wall of the second guide 226 1 sides and plug body 21 is fixed, and has the gap between the madial wall of opposite side and plug body 21.The front end of the second guide 226 is provided with the second loose rib 227, is used for location the second guide 226.Gap between plug body 21 and the second guide 226, and the gap between plug body 21 and the valve body main body 221 has formed the second asphalt channel 23.
The front end of plug body 21 has internal thread, is used for connecting hose, and the outside of plug body 21 is provided with the second groove 211, is used for cooperating with lock ball 114.
When assembling, with pushing section 222 and valve rod 16 butts, because valve rod 16 maintains static, pushing section 222 is side shifting forward, valve body main body 221 is along the madial wall of the second guide 226 side shifting forward thus, valve body spring 225 is compressed, forms the gap between the madial wall of pushing section 222 and plug body 21; Simultaneously, projection 141 butts of the front-end face of plug body 21 and ball cover 14 promote backward side shifting of ball cover 14, and ball cover spring 142 is compressed.When ball cover 14 moves backward to so that during stepped part 154 butt of projection 141 and sealed pipe 15, promote together side shifting backward of sealed pipe 15, sealed pipe spring 151 is compressed, this moment, sealed pipe 15 was after valve rod 16 moves, its front end and valve rod head 161 be butt and the gap occurs no longer, the hydraulic oil that comes from flexible pipe from the second asphalt channel 23 via the gap between valve body 22 and the plug body 21, and the gap between valve rod 16 and the plug body 21 enters the first asphalt channel 17, by entering into hard tube behind the gap between valve rod 16 and the back nut 17 and the first loose rib 164, the pipeline conducting, until moving by side to the second groove 211 backward, plug body 21 is positioned at lock ball 114 inboards, lock ball 114 drops in the second groove 211, connecting body 11 is relative fixing with plug body 21, sleeve 12 side shifting forward under the active force of sleeve spring 122, the first groove 121 leaves lock ball 114, the first groove 121 rearward end of sleeve 12 and snap ring 116 location that connects, assembling is finished, and the running of hydraulic power oil direction as shown by arrows.
When dismounting, promote backward side shifting of sleeve 12, when the first groove 121 moves to lock ball 114 place, promote plug body 21, lock ball 114 is to the 121 interior movements of the first groove, because the restoring force of valve body spring 225, promotion plug body 21 forward side shifting resets, and because the restoring force of ball cover spring 142 and sealed pipe spring 151, ball cover 14 and sealed pipe 15 reset to the front side, and dismounting is finished.
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 (10)
1. rapid pipe joint comprises joint parent and adaptive plug, it is characterized in that,
Described joint parent comprises the connecting body (11) of the hollow that is connected with outer rigid conduit, be provided with the ball cover (14) that can relatively described connecting body (11) moves forward and backward in the described connecting body (11), the front-end face of described ball cover (14) has the projection (141) that extends radially inwardly, and described ball cover (14) rear end is provided with the ball cover spring (142) that described ball cover (14) is resetted to the front side; Also be provided with the sealed pipe (15) that is promoted by described ball cover (14) in the described connecting body (11), the front end of described sealed pipe (15) circumferentially is connected to the inboard of the projection (141) of described ball cover (14), and the rear end of described sealed pipe (15) is provided with the sealed pipe spring (151) that described sealed pipe (15) is resetted to the front side; Also be provided with fixed valve rod (16) in the described connecting body (11), it is inboard that the valve rod head (161) of described valve rod (16) circumferentially is connected to described sealed pipe (15) front end, the diameter of the valve rod main body (162) of described valve rod head (161) rear side is less than the diameter of described sealed pipe (15), also less than the diameter of described valve rod head (161), the gap between described sealed pipe (15) and the described valve rod main body (162) forms the first asphalt channel (17);
Described plug comprises the plug body (21) of the hollow shape that is connected with external hose, with the valve body (22) that can relative described plug body (21) moves forward and backward that is arranged in the described plug body (21), be provided with the valve body spring (225) that described valve body (22) is resetted to rear side in the described valve body (22), described valve body (22) comprises the valve body main body (221) of hollow, the outside, described valve body main body (221) rear end is provided with the pushing section (222) that cooperates with described valve rod head (161), described pushing section (222) circumferentially with the madial wall butt of described plug body (21) front end, the diameter that is positioned at described pushing section (222) rear side in the described plug body (21) is formed with the second asphalt channel (23) greater than the diameter that is positioned at described pushing section (222) and locates in the described plug body (21);
When described joint parent and the assembling of described plug, described valve rod (16) can promote described pushing section (221) forward side shifting so that described pushing section (221) and described plug body (21) form the gap, described plug body (21) can promote backward side shifting and then promote sealed pipe (15) so that form direct clearance to described plug body (21) and described connecting body (11) between described plug body (21) and the described valve rod head (161) and lock of described ball cover (14), thereby so that described the second asphalt channel (23) and the first asphalt channel (17) by the gap between described plug body (21) and the described pushing section (221), and the gap conducting between described plug body (21) and the described valve rod head (161).
2. rapid pipe joint as claimed in claim 1, it is characterized in that, the front end of described connecting body (11) is inserted in the sleeve (12), the sidewall of described connecting body (11) front end is provided with perforate (113), be provided with the lock ball (114) that is supported by described ball cover (14) in the described perforate (113), described sleeve (12) madial wall is provided with the first groove (121) corresponding with described perforate (113) position and described lock ball (114) butt, the outside of described plug body (21) is provided with the second groove (211) that cooperates with described lock ball (114), side shifting is so that described the second groove (211) moves to described perforate (113) when locating backward when described plug body (21), and described lock ball (114) can drop in described the second groove (211) so that described connecting body (11) and described plug body (21) locking by described perforate (113).
3. rapid pipe joint as claimed in claim 2, it is characterized in that, described connecting body (11) outside also is provided with the snap ring (116) that is positioned at described perforate (113) front side, be provided with the sleeve spring (122) that described sleeve (12) is resetted to the front side in the described sleeve (12), when described lock ball (114) is positioned at described the second groove (211), described sleeve (12) under the effect of described sleeve spring (122) forward side shifting until described snap ring (116) and described the first groove (121) butt.
4. rapid pipe joint as claimed in claim 2, it is characterized in that, the outside of described connecting body (11) is provided with the 3rd groove (111), is provided with the sleeve lock ball (112) that props up described sleeve (12) rear end in described the 3rd groove (111).
5. such as each described rapid pipe joint among the claim 1-4, it is characterized in that the rear end of described connecting body (11) is threaded with back nut (13), described back nut (13) is connected to outer rigid conduit.
6. rapid pipe joint as claimed in claim 5, it is characterized in that, described back nut (13) comprises main body (134) and is positioned at the extension part (131) of front end, described extension part (131) is inserted in the described connecting body (11), is formed with outer stepped part (132) and interior stepped part (133) between the rear end of described extension part (131) and the described main body (134); One end of described ball cover spring (142) and described ball cover (14) rear end butt, the other end and described outer stepped part (132) butt; The rear end butt of one end of described sealed pipe spring (151) and described sealed pipe (15), the other end and described interior stepped part (133) butt.
7. rapid pipe joint as claimed in claim 5, it is characterized in that, be fixed with the first guide (163) in the described back nut (13), described valve rod main body (162) rear end is inserted in described the first guide (163) and fixes, and described the first asphalt channel (17) is communicated with outer rigid conduit by the gap between described the first guide (163) and described back nut (13) madial wall.
8. such as each described rapid pipe joint among the claim 1-4, it is characterized in that, be fixed with the second guide (226) in the described plug body (21), the front end of described valve body main body (221) is inserted in described the second guide (226) and fixes, and described the second asphalt channel (23) is formed by the gap between the gap between described the second guide (226) and the described plug body (21) and described valve body main body (221) and the described plug body (21).
9. rapid pipe joint as claimed in claim 8 is characterized in that, the rear end of an end of described valve body spring (225) and described valve body main body (221) is fixed, the front end butt of the other end and described the second guide (226).
10. rapid pipe joint as claimed in claim 6, it is characterized in that, be provided with the first seal ring (152) between the madial wall of the outside of described sealed pipe (15) rear end and described extension part (131) front end, be provided with the second seal ring (223) between described pushing section (221) and the plug body (21), described valve rod head (161) is provided with the valve stem packing ring (1611) of sealing described valve rod (16) and sealed pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388884 CN202674653U (en) | 2012-08-07 | 2012-08-07 | Quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388884 CN202674653U (en) | 2012-08-07 | 2012-08-07 | Quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674653U true CN202674653U (en) | 2013-01-16 |
Family
ID=47495559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220388884 Expired - Fee Related CN202674653U (en) | 2012-08-07 | 2012-08-07 | Quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674653U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777721A (en) * | 2012-08-07 | 2012-11-14 | 慈溪市千义液压件有限公司 | Rapid connector |
| CN106978332A (en) * | 2017-04-21 | 2017-07-25 | 华北电力大学（保定） | A kind of sampling apparatus of Air Fungi spore |
| CN109555926A (en) * | 2013-10-24 | 2019-04-02 | 世伟洛克公司 | It is conduit connectable connector that single action, which pushes, |
-
2012
- 2012-08-07 CN CN 201220388884 patent/CN202674653U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777721A (en) * | 2012-08-07 | 2012-11-14 | 慈溪市千义液压件有限公司 | Rapid connector |
| CN109555926A (en) * | 2013-10-24 | 2019-04-02 | 世伟洛克公司 | It is conduit connectable connector that single action, which pushes, |
| CN106978332A (en) * | 2017-04-21 | 2017-07-25 | 华北电力大学（保定） | A kind of sampling apparatus of Air Fungi spore |
| CN106978332B (en) * | 2017-04-21 | 2020-06-23 | 华北电力大学（保定） | Sampling device of fungal spores in air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130807 |