CN2779202Y - Quick-acting pipe joint - Google Patents
Quick-acting pipe joint Download PDFInfo
- Publication number
- CN2779202Y CN2779202Y CN 200520056557 CN200520056557U CN2779202Y CN 2779202 Y CN2779202 Y CN 2779202Y CN 200520056557 CN200520056557 CN 200520056557 CN 200520056557 U CN200520056557 U CN 200520056557U CN 2779202 Y CN2779202 Y CN 2779202Y
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- CN
- China
- Prior art keywords
- pipe
- ring
- joint
- utility
- model
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- Expired - Fee Related
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to an improved pipe joint of quick assembly and disassembly, which comprises a joint pipe at least provided with a joint and a sealing rubber ring. The utility model is characterized in that an anti-escape pin, a limited ring, and a fixing nut, wherein the anti-escape pin passes through two symmetrical through holes in the front ends of two pipes in the radical direction and is positioned on the pipe, and the limited ring is positioned on the pipe in the front end of the sealing rubber ring. Both ends of the anti-escape pin are sheathed by stepped holes thereof, and the front end thereof is connected with a hole shoulder of the joint pipe. The fixing nut is in screw thread connection with the end of the joint pipe, and the end part thereof is connected with the sealing rubber ring. Compared with the existing quick pipe joint, the utility model has the advantages of simple structure, low cost, reliable sealing, convenient assembly and disassembly, etc.
Description
Affiliated technical field
The utility model relates to the pipe joint that connecting tube is used, particularly a kind of quick coupling.
Background technique
In the prior art, the structure of pipe joint commonly used is foolproof, only processes internal thread in each through hole, by being connected with the outside thread of tube end pipe is linked together.This traditional pipe joint cost is very cheap, but construction the time must be wrapped with raw meal belt at the external pipe thread place, again with spanner with in the pipe spinning in pipe joint, so its speed of application is slow, mounting or dismounting are inconvenient.Though prior art is also developed some mounting or dismounting pipe joints easily, as utility model patent " metal pipe joint " (ZL99243971.X) and " quick coupling " (ZL03225088.6), but because complex structure, used accessory is many, the cost height, and construction the time also needs instruments such as special spanner, and speed of application is also unhappy, so it applies not extensive.
Summary of the invention
In order to solve the problem that the conventional pipe joint speed of application is slow and be inconvenient to install and remove, the utility model provides a kind of quick coupling.This quick coupling can improve the connection and the assembling and dissembling speed of pipeline greatly when construction, and simple in structure, low cost, and sealing is reliable.
Above-mentioned task realizes by this way; This quick coupling comprises conjugation tube, pipe and the O-ring seal that is provided with a fittings body at least, it is characterized in that also having locking pin, limited ring and tightening nut, the through hole that locking pin radially passes two symmetries of pipe front end is placed on the pipe, limited ring is placed on the pipe of O-ring seal front end, and the two ends of entangling locking pin with its shoulder hole, its front end is connected with the hole shoulder of conjugation tube, the screw-thread fit of tightening nut and conjugation tube termination, and its end is connected with O-ring seal.
In technique scheme, between O-ring seal and tightening nut, also be provided with the wearing and tearing of packing ring O-ring seal when reducing because of the rotation tightening nut.
Quick coupling of the present utility model is to use like this; In the time of pipe need being connected, bore the through hole of two symmetries earlier at the pipe front end, in the pipe of again tightening nut, packing ring, O-ring seal and limited ring being packed into successively.In two through holes of pipe, insert locking pin then, again limited ring O-ring seal etc. is pushed away forward, allow the shoulder hole of limited ring that the locking pin two ends are entangled and just can near its hole shoulder.At last, pipe is inserted in the conjugation tube of fittings body tightening nut to be anchored on the screw thread of conjugation tube and can finish assembling work with spanner; When needs unload pipe, unclamp tightening nut and just can.
From the technical program and installation process thereof as can be known, behind the turn tightening nut, make the front end of limited ring press the hole shoulder of conjugation tube, compression seal cushion rubber conversely, O-ring seal inwardly outwards is out of shape the clearance seal between pipe and the conjugation tube, play good seal action, and the pipe of this moment is subject to locking pin and can not deviates from, and has met usage requirement.This shows that the utility model is compared with existing quick coupling, have advantages such as simple in structure, low cost, sealing is reliable, mounting or dismounting are very convenient, easy to utilize.
Description of drawings
Fig. 1 is the sectional view of a kind of concrete structure of the utility model quick coupling.
Embodiment
As shown in Figure 1, a kind of quick coupling comprises fittings body 1, pipe 3 and an O-ring seal 4 that is provided with a conjugation tube 2 at least.The utility model also has locking pin 5, limited ring 6 and packing ring 7 and tightening nut 8.Limited ring 6 is a ring set that has shoulder hole, and its little endoporus cooperates with pipe 3, and the aperture of its shoulder hole 10 then is a bit larger tham the length of locking pin, so that the two ends of locking pin 5 are entangled, plays position-limiting action.When assembling, can process in factory or on-the-spot two through holes 9 pipe 3 front end symmetries, the tightening nut 8 of on pipe 3, packing into then, packing ring 7, O-ring seal 4 and limited ring 6, then in pipe through hole 9, insert locking pin 5, again with limited ring 6, O-ring seal 4 pushes away toward pipe 3 front ends, allow locking pin 5 place in the shoulder hole of limited ring 6, by pipe end screw-internal thread fit compression seal cushion rubber 4 and the limited ring 6 of tightening nut 8, make limited ring 6 be close to the hole shoulder of conjugation tube 2 at last with conjugation tube 2, O-ring seal 4 inwardly and outwards is out of shape just can pipe 3 and conjugation tube 2 sealings.
Fittings body 1 of the present utility model can be two logical, the threeway, four-way or the double end nut that connect pipe 3 usefulness.
Claims (2)
1. quick coupling, comprise the fittings body (1) that is provided with a conjugation tube (2) at least, pipe (3) and O-ring seal (4), it is characterized in that locking pin (5) in addition, limited ring (6) and tightening nut (8), the through hole (9) that locking pin (5) radially passes two symmetries of pipe (3) front end is placed on the pipe (3), limited ring (6) is placed on the pipe (3) of O-ring seal (4) front end, and entangle the two ends of locking pin (5) with shoulder hole (10), its front end is connected with the hole shoulder of conjugation tube (2), the screw-thread fit of tightening nut (8) and conjugation tube (2) termination, its end is connected with O-ring seal (4).
2. quick coupling according to claim 1 is characterized in that also being provided with a packing ring (7) between O-ring seal (4) and tightening nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056557 CN2779202Y (en) | 2005-04-05 | 2005-04-05 | Quick-acting pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056557 CN2779202Y (en) | 2005-04-05 | 2005-04-05 | Quick-acting pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779202Y true CN2779202Y (en) | 2006-05-10 |
Family
ID=36753290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520056557 Expired - Fee Related CN2779202Y (en) | 2005-04-05 | 2005-04-05 | Quick-acting pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779202Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664049A (en) * | 2012-03-23 | 2012-09-12 | 宁波天生密封件有限公司 | Exhaust gas sampling sealing device for high temperature gas cooled reactor |
| CN111839799A (en) * | 2020-06-30 | 2020-10-30 | 李晓燕 | Continuous automatic medicine feeding device for sheep uterus |
-
2005
- 2005-04-05 CN CN 200520056557 patent/CN2779202Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664049A (en) * | 2012-03-23 | 2012-09-12 | 宁波天生密封件有限公司 | Exhaust gas sampling sealing device for high temperature gas cooled reactor |
| CN111839799A (en) * | 2020-06-30 | 2020-10-30 | 李晓燕 | Continuous automatic medicine feeding device for sheep uterus |
| CN111839799B (en) * | 2020-06-30 | 2022-09-27 | 李晓燕 | Continuous automatic medicine feeding device for sheep uterus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |