CN104315276A - Pipe joint for steel pipe connection, pipe joint assembly, pipeline connection structure and formation method - Google Patents
Pipe joint for steel pipe connection, pipe joint assembly, pipeline connection structure and formation method Download PDFInfo
- Publication number
- CN104315276A CN104315276A CN201410525957.8A CN201410525957A CN104315276A CN 104315276 A CN104315276 A CN 104315276A CN 201410525957 A CN201410525957 A CN 201410525957A CN 104315276 A CN104315276 A CN 104315276A
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- CN
- China
- Prior art keywords
- pipeline
- pipe joint
- tapped hole
- pipe
- birdsmouth
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses a pipe joint for steel pipe connection. The pipe joint comprises a pipe joint body, wherein the pipe joint body is provided with a pipeline connector, the pipeline connector is internally provided with at least one seal ring mounting groove, and the pipeline connector is provided with at least one threaded hole running through the pipe wall of the pipeline connector. The pipe joint is simple to operate, convenient to mount, free of expensive special tools and professional operators, firm in connection and excellent in sealing property and can be repeatedly detached for use.
Description
Technical field
The present invention relates to a kind of pipe joint, tube joint assembly and pipe connecting structure, also relate to a kind of installation method of steel pipe connection structure.
Background technique
In the activity in production of reality, connection between pipeline has various ways, wherein the most widely usedly comprise welding type and clamp-press type, so-called welding type, is by after the birdsmouth of pipeline Inserting Tube joint, welds binding site, adopt and need certain welding procedure in this way, higher to the requirement of workman and equipment, and the high temperature produced during welding can change the material property at heating position, thus have influence on the intensity of joint.
Relative to welding, clamp-press type is on pipe joint, arrange a circle fin, places seal washer in the groove inside fin, after pipeline inserts the birdsmouth of joint, adopts special instrument to extrude birdsmouth, makes it that deformation occur, be engaged on pipeline; Fin is also out of shape thereupon simultaneously, compressing packing ring makes itself and pipeline outer wall closely cooperate, thus reach object that is fastening and sealing, but this instrument is with high costs, complicated operation, need before use to give training operator, therefore be not easy to installation rapidly and efficiently, the most important thing is, adopt and be easy in this way cause compression failure because of misoperation, have influence on the connection effect between pipeline, have a strong impact on manufacturing efficiency.Therefore, need now a kind of easy for installation and connect the high pipe joint of up-to-standard rate.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of pipe joint for fastener for connection and tube joint assembly, its by some can the radially locating piece that screws in of tapped hole, extrusion pipe outer wall produces distortion, thus reaches the object of locking.
The installation method that the present invention also provides a kind of pipeline to connect, after the birdsmouth of pipeline Inserting Tube joint, only need use general tool to screw locating piece, just can complete connection.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of pipe joint for fastener for connection, comprise pipe joint body, pipe joint body has pipeline birdsmouth, is provided with at least one seal ring mounting groove, pipeline birdsmouth is provided with the tapped hole that at least one runs through the tube wall of pipeline birdsmouth in pipeline birdsmouth.
As the further improved procedure of such scheme, the quantity of tapped hole is more than 2 or 2, is distributed in the circumference of pipeline birdsmouth.
As the further improved procedure of such scheme, tapped hole is placed in the outside of seal ring mounting groove.
As the further improved procedure of such scheme, in pipeline birdsmouth, be provided with the shoulder for carrying out axially locating to pipeline.
As the further improved procedure of such scheme, pipe joint is free flow coupling, multiple way union or curved connection for bbreather pipe.
The invention discloses a kind of tube joint assembly for fastener for connection, comprising:
Above-mentioned pipe joint;
Seal ring, it is arranged in the seal ring mounting groove of pipe joint;
Locating piece, its can with the tapped hole screw-thread fit of pipe joint, thus can screw in tapped hole and screw out, and it be when being screwed in tapped hole, has at least a part can exceed the bottom in hole.
As the further improved procedure of such scheme, locating piece is a hexagon socket countersunk flat cap head screw, and the termination of screw has a round and smooth or sharp-pointed projection.
The invention discloses a kind of pipe connecting structure for fastener for connection, comprise the pipeline that above-mentioned tube joint assembly is connected with by this tube joint assembly, the connecting end of pipeline is inserted into pipeline birdsmouth and closely cooperates with the seal ring be placed in seal ring mounting groove, locating piece to be screwed in tapped hole and to be squeezed on the outer wall of pipeline, and pipeline is deformed at this place.
The invention also discloses a kind of formation method of pipe connecting structure, comprise the following steps:
S10: prepare tube joint assembly described above and pipeline to be connected;
S20: be inserted in the pipeline birdsmouth of tube joint assembly by pipeline to be connected, makes pipeline outer wall and seal ring compact siro spinning technology;
S30: locating piece is screwed in tapped hole, and make locating piece pass the outer tube wall of this tapped hole extrusion pipe, make it to deform at this place.
As the further improved procedure of such scheme, locating piece is a socket head screw, is screwed in tapped hole by a hexagon wrench.
As the further improved procedure of such scheme, screw locating piece until its top end face is concordant with the tapped hole end face outside of pipeline birdsmouth.
The invention has the beneficial effects as follows:
1, simple to operate, easy for installation, without the need to being equipped with the operator of expensive special tool and specialty;
2, be connected firmly, there is excellent sealability;
3, detachably repeatedly install.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic diagram before the processing of prior art clamp-pressing type connecting;
Fig. 2 is the schematic diagram after the processing of prior art clamp-pressing type connecting;
Fig. 3 is the sectional view of pipe joint of the present invention first embodiment;
Fig. 4 is the shaft side figure of pipe joint of the present invention first embodiment;
Fig. 5 is the side view of the embodiment in pipe joint screw thread hole of the present invention;
Fig. 6 is the side view of another embodiment of pipe joint screw thread hole of the present invention;
Fig. 7 is the sectional view of pipe joint of the present invention second embodiment;
Fig. 8 is the sectional view of pipe joint of the present invention 3rd embodiment;
Fig. 9 is the sectional view of a tube joint assembly of the present invention embodiment;
Figure 10 is the sectional view of an inventive pipeline linkage structure embodiment.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present invention, concrete structure and generation, to understand object of the present invention, scheme and effect fully.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
It should be noted that, if no special instructions, relation between two features is described to " fixing ", " connection ", " installation " or similar term time, it can be that these two features are directly fixed, connect or are installed together, and also can be that these two features are indirectly fixed, connect or are installed together.In addition, it is only relative to the mutual alignment relation of each constituent element of the present invention in accompanying drawing that the upper and lower, left and right used in the present invention etc. describe.
In addition, unless otherwise defined, all technology used herein are identical with the implication that those skilled in the art understand usually with scientific terminology.The term used in specification is herein to describe specific embodiment, instead of in order to limit the present invention.Term as used herein " and/or " comprise the arbitrary combination of one or more relevant Listed Items.
With reference to Fig. 1 figure and Fig. 2, show the schematic diagram of prior art clamp-pressing type connecting, comprise pipeline 40 and pipe joint 50, pipe joint birdsmouth is provided with a circle fin 501, seal ring 20 is provided with, after pipeline inserts, with the birdsmouth of special tool extruded tube joint in the inner side slot of fin 501, make it towards sunken inside, be engaged on pipeline, meanwhile, fin 501 is also out of shape thereupon, compressing seal ring 20 and pipeline close contact, complete fastening with sealing.
With reference to Fig. 3 and Fig. 4, show first embodiment of pipe joint of the present invention, pipe joint adopts integrally casting shaping, comprise pipe joint body 10, and be placed in joint two ends with the birdsmouth 101 inserted for pipeline, every side birdsmouth 101 is provided with some tapped holes 102 radially run through, and locating piece can screw in along it and carry out extruding locking to pipeline.
In order to increase the sealability between pipeline and pipe joint, the madial wall of pipe joint body 10 also has seal ring mounting groove 103, by having coordinated the sealing of the two with the seal ring be arranged on wherein, preferably, tapped hole 102 is placed in the outer end of seal ring mounting groove 103, ensure that extruding point keeps at a certain distance away with pipe end, thus reduce the impact of extruding on pipeline section shape.
Preferably, be provided with shoulder 104 at the inwall of pipe joint, it can play the effect of location when pipeline inserts, and avoids occurring that pipeline inserted dark or inserted not enough situation.
Birdsmouth 101 place is in order to ensure the intensity of tapped hole, and it is through thickening process, in order to reduce raw-material consumption, cost-saving, birdsmouth 101 and body 10 is provided with and alleviates structure.
With reference to Fig. 5, as the optimal way in the present embodiment, the tapped hole 102 on one-sided birdsmouth is 2 places, and it is symmetrical arranged on the same cross section of birdsmouth.
With reference to Fig. 6, further preferably, one-sided birdsmouth has 3 place's tapped holes 102, it is evenly distributed in the exterior periphery of birdsmouth, makes the radial forces of locating piece to pipeline more balanced.
With reference to Fig. 7, show second embodiment of pipe joint of the present invention, pipe joint be 90 ° curved logical, whether the present invention, to not or not being specifically limited curved logical angle, can select according to actual needs, as 45 ° etc.
With reference to Fig. 8, show another embodiment of pipe joint of the present invention, pipe joint is multiple way union, as threeway, four-way etc., concrete, is three-way union in the present embodiment.
In this programme, pipe joint also comprises all kinds of reducing socket.
With reference to Fig. 9, show an embodiment of tube joint assembly, comprise above-mentioned pipe joint, and the seal ring 20 be arranged in seal ring mounting groove 103, also comprise locating piece 30, it can threadingly screw in or screw out in hole 102, and locating piece 30 can exceed tapped hole 102 at least partially.
Preferably, locating piece 30 is screw, and it is provided with head that is round or point.
Preferred further, locating piece 30 is hexagon socket countersunk flat cap head screw.
With reference to Figure 10, show an embodiment of pipe connecting structure, pipeline 40 is inserted in birdsmouth 101, with seal ring 20 close contact, locating piece 30 threadingly hole 102 screws in, and the inwall of extrusion pipe 40 forms the pressure point 401 of indent, thus carry out fastening to pipeline, prevent it from exiting pipe joint.
Preferably, suitable length got by locating piece 30, and when making it cause enough extrusion-deformation to tube wall, the end of locating piece 30 is concordant with the outside top of tapped hole 102, easy-to-operat personnel can judge the screw-in depth of locating piece 30 like this.
Only general tool need be adopted to lock locating piece 30, just easily can complete the connection between pipeline, if adopt preferred hexagon socket countersunk flat cap head screw, the function of Anti-dismantling can also be played, it also only needs common hexagon wrench just can install, and operates convenient and swift.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (11)
1. the pipe joint for fastener for connection, comprise pipe joint body, described pipe joint body has pipeline birdsmouth, it is characterized in that: in described pipeline birdsmouth, be provided with at least one seal ring mounting groove, described pipeline birdsmouth is provided with at least one tapped hole running through the tube wall of pipeline birdsmouth.
2. pipe joint according to claim 1, is characterized in that: the quantity of described tapped hole is more than 2 or 2, is distributed in the circumference of described pipeline birdsmouth.
3. pipe joint according to claim 1 and 2, is characterized in that: described tapped hole is placed in the outside of described seal ring mounting groove.
4. pipe joint according to claim 1 and 2, is characterized in that: be provided with the shoulder for carrying out axially locating to pipeline in described pipeline birdsmouth.
5. pipe joint according to claim 1 and 2, is characterized in that: described pipe joint is free flow coupling, multiple way union or curved connection for bbreather pipe.
6. for a tube joint assembly for fastener for connection, it is characterized in that, comprising:
Pipe joint described in any one of claim 1 to 5;
Seal ring, it is arranged in the seal ring mounting groove of described pipe joint;
Locating piece, its can with the tapped hole screw-thread fit of described pipe joint, thus can screw in this tapped hole and screw out, and it be when being screwed in tapped hole, have at least a part can exceed the bottom of described radial screw bore, extend in pipeline birdsmouth inner space.
7. tube joint assembly according to claim 6, is characterized in that: described locating piece is a hexagon socket countersunk flat cap head screw, and the termination of described screw has a round and smooth or sharp-pointed projection.
8. the pipe connecting structure for steel pipe, it is characterized in that: comprise the pipeline that tube joint assembly according to claim 6 is connected with by this tube joint assembly, the connecting end of described pipeline is inserted into described pipeline birdsmouth and closely cooperates with the seal ring be placed in seal ring mounting groove, described locating piece to be screwed in described tapped hole and to be squeezed on the outer wall of described pipeline, and described pipeline is deformed at this place.
9. a formation method for pipe connecting structure, is characterized in that, comprise the following steps:
S10: prepare tube joint assembly as claimed in claim 6 and pipeline to be connected;
S20: be inserted in the pipeline birdsmouth of described tube joint assembly by pipeline to be connected, makes pipeline outer wall and seal ring compact siro spinning technology;
S30: locating piece is screwed in tapped hole, and make locating piece pass the outer tube wall of this tapped hole extrusion pipe, make it to deform at this place.
10. formation method according to claim 9, is characterized in that, described locating piece is a socket head screw, is screwed in tapped hole by a hexagon wrench.
11. formation methods according to claim 9 or 10, is characterized in that, screw described locating piece until its top end face is concordant with the tapped hole end face outside of pipeline birdsmouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525957.8A CN104315276A (en) | 2014-09-30 | 2014-09-30 | Pipe joint for steel pipe connection, pipe joint assembly, pipeline connection structure and formation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525957.8A CN104315276A (en) | 2014-09-30 | 2014-09-30 | Pipe joint for steel pipe connection, pipe joint assembly, pipeline connection structure and formation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315276A true CN104315276A (en) | 2015-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410525957.8A Pending CN104315276A (en) | 2014-09-30 | 2014-09-30 | Pipe joint for steel pipe connection, pipe joint assembly, pipeline connection structure and formation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315276A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633359A (en) * | 2015-02-27 | 2015-05-20 | 吉林钰翎珑钢管钢构制造有限公司 | Socket connection type bend |
| CN107366785A (en) * | 2017-08-18 | 2017-11-21 | 玉环县玉立水暖器材厂 | A kind of pipe joint |
| CN109000065A (en) * | 2018-09-03 | 2018-12-14 | 贵州林塑科技发展有限公司 | A kind of oblique jointing of pvc pipe |
| CN109185577A (en) * | 2018-09-30 | 2019-01-11 | 厦门中井科技有限公司 | Interior card clamp-press type assembling pipe joint |
| CN114321736A (en) * | 2022-01-10 | 2022-04-12 | 深圳市民乐管业有限公司 | Pipeline pressure fluctuation testing machine capable of preventing leakage of pipe orifice |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3885818A (en) * | 1974-04-02 | 1975-05-27 | Mueller Co | Insulated coupling joint |
| JPH0875060A (en) * | 1994-08-30 | 1996-03-19 | Aron Kasei Co Ltd | Waterproofing different kind pipe joint |
| CN2443218Y (en) * | 2000-09-12 | 2001-08-15 | 连正寿 | Extruding pipe joint |
| JP2006329436A (en) * | 2006-09-14 | 2006-12-07 | Tomohito Inoue | Pipe joint |
| CN200958663Y (en) * | 2006-10-13 | 2007-10-10 | 梁波 | Flexible-connected nut-bolt pipe |
| CN202746818U (en) * | 2012-07-25 | 2013-02-20 | 乔登卫浴(江门)有限公司 | Anti-winding shower head hose coupler |
-
2014
- 2014-09-30 CN CN201410525957.8A patent/CN104315276A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3885818A (en) * | 1974-04-02 | 1975-05-27 | Mueller Co | Insulated coupling joint |
| JPH0875060A (en) * | 1994-08-30 | 1996-03-19 | Aron Kasei Co Ltd | Waterproofing different kind pipe joint |
| CN2443218Y (en) * | 2000-09-12 | 2001-08-15 | 连正寿 | Extruding pipe joint |
| JP2006329436A (en) * | 2006-09-14 | 2006-12-07 | Tomohito Inoue | Pipe joint |
| CN200958663Y (en) * | 2006-10-13 | 2007-10-10 | 梁波 | Flexible-connected nut-bolt pipe |
| CN202746818U (en) * | 2012-07-25 | 2013-02-20 | 乔登卫浴(江门)有限公司 | Anti-winding shower head hose coupler |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633359A (en) * | 2015-02-27 | 2015-05-20 | 吉林钰翎珑钢管钢构制造有限公司 | Socket connection type bend |
| CN107366785A (en) * | 2017-08-18 | 2017-11-21 | 玉环县玉立水暖器材厂 | A kind of pipe joint |
| CN109000065A (en) * | 2018-09-03 | 2018-12-14 | 贵州林塑科技发展有限公司 | A kind of oblique jointing of pvc pipe |
| CN109185577A (en) * | 2018-09-30 | 2019-01-11 | 厦门中井科技有限公司 | Interior card clamp-press type assembling pipe joint |
| CN114321736A (en) * | 2022-01-10 | 2022-04-12 | 深圳市民乐管业有限公司 | Pipeline pressure fluctuation testing machine capable of preventing leakage of pipe orifice |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |