CN201071991Y - Pawl locking type pipe joint - Google Patents
Pawl locking type pipe joint Download PDFInfo
- Publication number
- CN201071991Y CN201071991Y CNU2007200220685U CN200720022068U CN201071991Y CN 201071991 Y CN201071991 Y CN 201071991Y CN U2007200220685 U CNU2007200220685 U CN U2007200220685U CN 200720022068 U CN200720022068 U CN 200720022068U CN 201071991 Y CN201071991 Y CN 201071991Y
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- CN
- China
- Prior art keywords
- lock sleeve
- pipe
- claw
- clip
- pair
- 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.)
- Expired - Fee Related
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a pipeline connecting piece, in particular to a clipping claw locking type pipe connector used for the pipeline connection. The utility model is composed of clipping claws, locking sleeves, a clamping piece, a sealing gasket, and sealing rings; the sealing rings an and the cone-shaped clipping claws are installed in the tapered holes of the locking sleeves, the taper of the outer conical surfaces of the clipping claws is mutually matched with the taper of the tapered holes of the locking sleeves, and the inner holes of the clipping claws are mutually matched with the external diameters of connected pipes; a pair of locking sleeves, two sealing rings, and a pair of clipping claws are respectively sleeved on the pipe mouths of the connected pipes; the sealing gasket is installed at the abutted position of the pipe mouths two connected pipes; the clamping piece is installed on the locking sleeves. The utility model is suitable for being used as a metal pipe, a plastic pipe, and a metal-plastic composite pipe, etc., in particular to the sealing connecting pieces of a PPR pipe or a PE pipe. The utility model has the advantages of simple and compact the structure, simple application operation, quick construction efficiency, high connection strength, and good sealing performance.
Description
One, technical field
The utility model relates to pipe joint, especially a kind of claw locking pipe joint that is used for the pipeline connection.
Two, background technique
Sphere of life piping facility construction development industry, agricultural and people is very fast, and the demand of tubing, pipe fitting is increasing.The Placement of pipeline and link are also more and more, welding type, thread type, flange-type Placement and housing type joint are arranged, etc. Placement.Wherein, there is following deficiency in welding: 1, be subjected to the restriction of material easily, the tubing welding procedure that has is bad, is not suitable for welding processing.2, welding is easy to generate bigger hot melt distortion and stress, causes pipeline to produce damage even slight crack.3, sealability is low, and anti-leakage is poor.4, need special welding equipment, be unfavorable for site operation.
Be threaded and have following deficiency: 1, machining screw difficulty, particularly all the more so to thin wall metal pipeline, plastic tube and composite metal-plastic pipe etc.2, after the machining screw such as thin wall metal pipeline, plastic tube and composite metal-plastic pipe, intensity obviously reduces.3, sealing effect is poor, anti-leakage is poor.
Flange connects the shortcoming that exists: 1, need set up flange plate at pipe end, consumptive material is many, installation, maintenance is very uneconomical.2, because a little less than the ability that thin wall metal pipeline, plastic tube and composite metal-plastic pipe etc. meet with stresses, can not guarantee sealing effect, flange connect generally be difficult to be applicable to thin wall metal pipeline, plastic tube and composite metal-plastic pipe etc. be connected 3, the flange plate end face seal life-span is short, easily leak.
There is complex structure in existing pipe joint, and sealing effect is poor, especially uses inconvenient, the inefficient shortcoming of installation are installed.
Three, summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, adapt to the needs that connect different tubing, provide a kind of rational in infrastructure, good seal performance, join strength height, make simple, installation and maintenance are convenient, need not special device can construct the seal for pipe joints link that efficiency of construction is high at the scene.
Basic design of the present utility model is to be made of claw, lock sleeve, clamping element, sealing gasket, seal ring; The claw of seal ring, taper is installed in the taper hole of lock sleeve, and the tapering of the tapering of claw male cone (strobilus masculinus) and lock sleeve taper hole is complementary, and the endoporus of claw and connected tube outer diameter are complementary; A pair of lock sleeve, two seal rings and a pair of claw are set on the mouth of pipe of connected pipe; Sealing gasket is installed in the mouth of pipe joint of connected two tubes; Clamping element is installed on the lock sleeve.
Clamping element has bolt clip stressed joint structure, screw clamp stressed joint structure, and clip clamps linkage structure.
The lock sleeve of bolt clip stressed joint structure has flange plate, and bolt hole is arranged on the flange plate; With at least three group bolt and nuts a pair of lock sleeve clamping is linked together.
The external form of screw clamp stressed joint structure lock sleeve is cylinder type and is threaded that the hand of spiral on this a pair of lock sleeve cylindrical is opposite; The screw thread clamping element is a thread bush, and is complementary with screw thread on the cylindrical of lock sleeve; Rotating thread bush links together a pair of lock sleeve clamping.
The external form that clip clamps the linkage structure lock sleeve is a cylinder type, and its end away from the mouth of pipe has the circular cone chamfering; Clamping element is the clip that inner cone cavity is arranged, and the tapering of the tapering of clip inner cone cavity and the circular cone chamfering on the lock sleeve is complementary; When tightening the bolt on the clip, the clip inner cone cavity is exerted pressure to the circular cone chamfering on a pair of lock sleeve, and its axial thrust load clamps a pair of lock sleeve and links together.
Claw is by base ring, and at least 3 lobe cone locking pawls and elastic support muscle constitute; The tapering of the tapering of cone locking pawl and the internal taper hole of gripping sleeve is complementary; On cone locking pawl and the inner hole wall that connected pipe contacts annular groove is arranged, its diameter of bore is complementary with the external diameter of the pipe that needs be connected.
The utility model is suitable as metal tube, plastic tube, composite metal-plastic pipe etc., especially the seal connector of PPR pipe or PE pipe.
Superiority of the present utility model is: 1, the locking Placement of cone locking cover, simple and compact for structure, application operating is easy, the efficiency of construction height.2, on taper claw and the inner hole wall that connected pipe contacts annular groove is arranged, improved the join strength of connected pipe.3, adopt the double-layer sealing structure of nose end face seal and pipe axial seal, good seal performance.
Four, description of drawings
The claw locking pipe joint structure schematic representation of Fig. 1 bolt clip stressed joint structure;
The claw locking pipe joint structure schematic representation of Fig. 2 screw clamp stressed joint structure;
Fig. 3 clip clamps the claw locking pipe joint structure schematic representation of linkage structure;
The plan view of Fig. 4 claw structure schematic representation;
The plan view of Fig. 5 claw structure schematic representation;
The left view of Fig. 6 claw structure schematic representation.
Reference character:
1, claw, 1-1, base ring, 1-2, cone locking pawl, 1-3, elastic support muscle, 2, lock sleeve, 3, clamping element, 3-1, bolt, 3-2, thread bush, 3-3, clip bolt, 3-4, clip, 4, sealing gasket, 5, seal ring, 6, pipe.
Five, embodiment
Be described in detail mode of execution of the present utility model in conjunction with the accompanying drawings:
Embodiment one: clamping element is the claw locking pipe joint of bolt clip stressed joint structure
As shown in Figure 1, this pipe joint is by claw 1, the lock sleeve 2 that has flange plate, bolt clamping element 3, sealing gasket 4, and seal ring 5 constitutes.The tapering of claw 1 male cone (strobilus masculinus) is complementary with the tapering that has the lock sleeve 2 of flange plate, and 4 bolts hole are arranged on the flange plate; The endoporus of claw is identical with connected nominal pipe diameter, and claw is 3 lobes, uses Hardened And Tempered Steel through heat treatment.Seal ring 5, claw 1 are put into two groups of endoporus that have the lock sleeve 2 of flange plate respectively, it is installed into the mouth of pipe of two pipes respectively, on the end face of the mouth of pipe and lock sleeve 2, fill up sealing gasket 4, with 4 bolts a pair of lock sleeve 2 is clamped and installed in together then.When bolt applies clamping force, two lock sleeves 2 move vertically, the internal taper hole of lock sleeve 2 applies coupling mechanism force to the male cone (strobilus masculinus) of claw 1, claw 1 tightly is stuck on the cylindrical of pipe, have annular groove to strengthen it on the inner hole wall of cone locking pawl 1-2 and the contact of connected pipe and be connected power, two axially movable lock sleeves 2 promote claws 1 and by sealing gasket 4 two pipes are installed closely and linked together.Its connection power is strong, good sealing effect, and easy to operate, quick, application adaptation is wide, especially is fit to being tightly connected of big caliber pipe.
Embodiment two: the claw locking pipe joint of screw clamp stressed joint structure
As shown in Figure 2, the catching locking pipe joint of screw clamp stressed joint structure is to be cylinder type and screwed screw clamp stressed joint structure lock sleeve 2 by claw 1, external form, and clamping element 3 be a thread bush, sealing gasket 4, seal ring 5 formations.Hand of spiral on these a pair of lock sleeve 2 cylindricals is opposite; Screw thread on the cylindrical of screw thread clamping element thread bush 3 and lock sleeve 2 is complementary; Rotating thread bush 3 closely links together a pair of lock sleeve 2 together with two connected pipes that are installed in interior claw 1 and be installed in the claw 1.Other are identical with embodiment one.
Screw thread chucking jointing type jack catchs type pipe joint, good seal performance, the join strength height, compact structure, easy to operate, especially be fit to being tightly connected of tubule footpath pipe.
Embodiment three: clip clamps the claw locking pipe joint of linkage structure
As shown in Figure 3, the jack catchs type pipe joint that clip clamps linkage structure is lock sleeve 2, clip clamping element 3, the sealing gasket 4 that is clamped linkage structure by catching 1, clip, and seal ring 5 constitutes.The external form that clip clamps linkage structure lock sleeve 2 is a cylinder type, and its end away from the mouth of pipe has the circular cone chamfering; The clip that inner cone cavity arranged of clamping element 3 for constituting by two lobes, the tapering of the circular cone chamfering on the tapering of clip inner cone cavity and the lock sleeve 2 is complementary; Two lobe clip bodies on the spiral-lock, when tightening the bolt on the clip, the clip inner cone cavity is exerted pressure to the circular cone chamfering on a pair of lock sleeve 2, and its axial thrust load closely links together a pair of locking cartridge clip 2 together with two connected pipes that are installed in interior claw 1 and be installed in the claw 1.Other are identical with embodiment one.
Clip clamps jointing type jack catchs type pipe joint, good seal performance, firm and reliable connection; Easy and simple to handle, in especially being fit to, being tightly connected of big caliber pipe.
Claims (2)
1. claw locking pipe joint, it is characterized by is to be made of claw, lock sleeve, clamping element, sealing gasket, seal ring; The claw of seal ring, taper is installed in the taper hole of lock sleeve, and the tapering of the tapering of claw male cone (strobilus masculinus) and lock sleeve taper hole is complementary, and the endoporus of claw and connected tube outer diameter are complementary; A pair of lock sleeve, two seal rings and a pair of claw are set on the mouth of pipe of connected pipe; Sealing gasket is installed in the mouth of pipe joint of connected two tubes; Clamping element is installed on the lock sleeve.
2. according to claims 1 described claw locking pipe joint, it is characterized by described clamping element has bolt clip stressed joint structure, screw clamp stressed joint structure, clip to clamp linkage structure:
The lock sleeve of bolt clip stressed joint structure has flange plate, and bolt hole is arranged on the flange plate, with at least three group bolt and nuts a pair of lock sleeve is clamped to link together;
The external form of screw clamp stressed joint structure lock sleeve is cylinder type and is threaded, hand of spiral on this a pair of lock sleeve cylindrical is opposite, the screw thread clamping element is a thread bush, and is complementary with screw thread on the cylindrical of lock sleeve, rotates thread bush and a pair of lock sleeve is clamped links together;
The external form that clip clamps the linkage structure lock sleeve is a cylinder type, its end away from the mouth of pipe has the circular cone chamfering, clamping element is the clip that inner cone cavity is arranged, the tapering of the tapering of clip inner cone cavity and the circular cone chamfering on the lock sleeve is complementary, when tightening the bolt on the clip, the clip inner cone cavity is exerted pressure to the circular cone chamfering on a pair of lock sleeve, and its axial thrust load clamps a pair of lock sleeve and links together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200220685U CN201071991Y (en) | 2007-05-14 | 2007-05-14 | Pawl locking type pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200220685U CN201071991Y (en) | 2007-05-14 | 2007-05-14 | Pawl locking type pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071991Y true CN201071991Y (en) | 2008-06-11 |
Family
ID=39550549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200220685U Expired - Fee Related CN201071991Y (en) | 2007-05-14 | 2007-05-14 | Pawl locking type pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071991Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051337A (en) * | 2016-07-26 | 2016-10-26 | 上海亨公电线电缆有限公司 | Water drainage straight pipe hoop connecting structure |
| CN106337970A (en) * | 2016-11-24 | 2017-01-18 | 张仙荣 | The seabed pipeline construction method and pipeline unit |
| CN107542982A (en) * | 2017-08-14 | 2018-01-05 | 深圳市德圣雅建材科技有限公司 | A kind of straight pin pipe connecting device |
| CN108709038A (en) * | 2018-06-27 | 2018-10-26 | 日丰企业（佛山）有限公司 | Pipe fitting joint structure |
| CN111998153A (en) * | 2020-09-11 | 2020-11-27 | 浙江互益科技股份有限公司 | Metal pipeline connecting piece convenient to assemble and disassemble |
| CN112901868A (en) * | 2021-01-20 | 2021-06-04 | 广东裕盛达建设有限公司 | Connecting structure and construction method of municipal water supply pipeline |
-
2007
- 2007-05-14 CN CNU2007200220685U patent/CN201071991Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051337A (en) * | 2016-07-26 | 2016-10-26 | 上海亨公电线电缆有限公司 | Water drainage straight pipe hoop connecting structure |
| CN106337970A (en) * | 2016-11-24 | 2017-01-18 | 张仙荣 | The seabed pipeline construction method and pipeline unit |
| CN106337970B (en) * | 2016-11-24 | 2020-05-22 | 张仙荣 | Submarine pipeline construction method |
| CN107542982A (en) * | 2017-08-14 | 2018-01-05 | 深圳市德圣雅建材科技有限公司 | A kind of straight pin pipe connecting device |
| CN108709038A (en) * | 2018-06-27 | 2018-10-26 | 日丰企业（佛山）有限公司 | Pipe fitting joint structure |
| CN108709038B (en) * | 2018-06-27 | 2024-04-05 | 日丰企业（佛山）有限公司 | Pipe fitting connection structure |
| CN111998153A (en) * | 2020-09-11 | 2020-11-27 | 浙江互益科技股份有限公司 | Metal pipeline connecting piece convenient to assemble and disassemble |
| CN112901868A (en) * | 2021-01-20 | 2021-06-04 | 广东裕盛达建设有限公司 | Connecting structure and construction method of municipal water supply pipeline |
| CN112901868B (en) * | 2021-01-20 | 2022-04-29 | 广东裕盛达建设有限公司 | Connecting structure and construction method of municipal water supply pipeline |
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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: 20080611 |