CN204141100U - A kind of pipe joint, tube joint assembly and pipe connecting structure - Google Patents
A kind of pipe joint, tube joint assembly and pipe connecting structure Download PDFInfo
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- CN204141100U CN204141100U CN201420579027.6U CN201420579027U CN204141100U CN 204141100 U CN204141100 U CN 204141100U CN 201420579027 U CN201420579027 U CN 201420579027U CN 204141100 U CN204141100 U CN 204141100U
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- pipeline
- pipe joint
- birdsmouth
- screw
- threaded hole
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Abstract
The utility model discloses a kind of pipe joint for fastener for connection, comprise pipe joint body, pipe joint body has pipeline birdsmouth, pipeline birdsmouth is provided with the radial screw bore that at least one runs through the tube wall of pipeline birdsmouth, the end face of pipeline birdsmouth is axially provided with several axial threaded hole along it, in pipeline birdsmouth, is provided with the seal ring mounting groove with these several axial threaded hole UNICOMs.The utility model is simple to operate, easy for installation, without the need to being equipped with the operator of expensive special tool and specialty; Be connected firmly, there is excellent sealability, repeatedly can also dismantle use.
Description
Technical field
The utility model relates to a kind of pipe joint of connection metal pipeline, tube joint assembly and pipe connecting 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.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of pipe joint and tube joint assembly, its by some can radially tapped hole screw in locating piece, extrusion pipe outer wall produces distortion, thus reach the object of locking, also be provided with axial tapped hole, squeeze sealing member screws in crush seal circle by axial threaded hole, makes its tight obvolvent on pipeline simultaneously.
The utility model solves the technological scheme that its technical problem adopts:
A kind of pipe joint for fastener for connection, comprise pipe joint body, pipe joint body has pipeline birdsmouth, pipeline birdsmouth is provided with the radial screw bore that at least one runs through the tube wall of pipeline birdsmouth, the end face of pipeline birdsmouth is axially provided with several axial threaded hole along it, in pipeline birdsmouth, is provided with the seal ring mounting groove with these several axial threaded hole UNICOMs.
As the further improved procedure of such scheme, the quantity of radial screw bore is more than 2 or 2, is distributed in the circumference of pipeline birdsmouth.
As the further improved procedure of such scheme, radial screw bore and axial threaded hole mutually stagger to arrange.
As the further improved procedure of such scheme, pipe joint is free flow coupling, multiple way union or curved connection for bbreather pipe.
The utility model discloses a kind of tube joint assembly for fastener for connection, comprising:
Above-mentioned pipe joint;
Seal ring, it is arranged in seal ring mounting groove;
Locating piece, its can with the radial screw bore screw-thread fit of pipe joint, thus can screw in this radial screw bore and screw out, and it be when being screwed in tapped hole, have at least a part can exceed the bottom of radial screw bore, extend in pipeline birdsmouth inner space;
Squeeze sealing member, its can with the axial threaded hole screw-thread fit of pipe joint, thus can screw in this axial threaded hole and screw out, and it be when being screwed in tapped hole, have at least a part can exceed the bottom of axial threaded hole, thus extend in seal ring mounting groove.
As the further improved procedure of such scheme, also have a pad, it is arranged between squeeze sealing member and seal ring.
As the further improved procedure of such scheme, 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.
The utility model discloses a kind of pipe connecting structure for steel pipe, 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, seal ring deforms under the squeezing action being screwed into the squeeze sealing member in axial threaded hole, make to be closely cooperated by sealing circle between pipeline and pipeline birdsmouth, locating piece to be screwed in radial screw bore and to be squeezed on the outer wall of pipeline, and pipeline is deformed at this place.
The beneficial effects of the utility model are:
1, simple to operate, easy for installation, without the need to being equipped with the operator of expensive special tool and specialty;
2, connect fastening, there is excellent sealability;
3, detachably repeatedly install.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
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 the utility model pipe joint first embodiment;
Fig. 4 is the front view of the utility model pipe joint first embodiment;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the plan view of the embodiment in the utility model pipe joint screw thread hole;
Fig. 7 is the plan view of the utility model pipe joint screw thread another embodiment of hole;
Fig. 8 is the sectional view of the utility model pipe joint second embodiment;
Fig. 9 is the sectional view of the utility model pipe joint the 3rd embodiment;
Figure 10 is the sectional view of the utility model tube joint assembly embodiment;
Figure 11 is the sectional view of the utility model pipe connecting structure embodiment.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, 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 utility model in accompanying drawing that the upper and lower, left and right used in the utility model 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 utility model.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, Fig. 4 and Fig. 5, show first embodiment of the utility model pipe joint, 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 radial screw bore 102 radially run through, and locating piece can screw in along it and carry out extruding locking to pipeline.
Preferably, radial screw bore 102 is placed in the outer end of birdsmouth 101, ensures that extruding point keeps at a certain distance away with pipe end, thus reduces the impact of extruding on pipeline section shape.
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, before the mounting, the thickness of seal ring is less than the degree of depth of seal ring mounting groove 103, such seal ring would not cause obstruction when insertion to it at pipeline, easier for installation.
On the end plane of birdsmouth 101, be evenly equipped with several axial threaded hole 104, axial threaded hole 104 and seal ring mounting groove 103 UNICOM, preferably, axial threaded hole 104 is 3.
Preferably, be provided with shoulder 105 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.
In order to reduce raw-material consumption, cost-saving, body 10 is provided with and alleviates structure.
With reference to Fig. 6, as the optimal way in the present embodiment, the radial screw bore 102 on one-sided birdsmouth is 2 places, and it is symmetrical arranged on the same cross section of birdsmouth.
With reference to Fig. 7, further preferably, one-sided birdsmouth has 3 place's radial screw bore 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. 8, show second embodiment of the utility model pipe joint, pipe joint be 90 ° curved logical, whether the utility model, to not or not being specifically limited curved logical angle, can be selected according to actual needs, as 45 ° etc.
With reference to Fig. 9, show another embodiment of the utility model pipe joint, 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 Figure 10, show an embodiment of tube joint assembly, comprise above-mentioned pipe joint, with the seal ring 20 be arranged in seal ring mounting groove 103, and locating piece 30, it can radially screw in or screw out by tapped hole 102, locating piece 30 can exceed radial screw bore 102 at least partially, also comprise squeeze sealing member 31, similar, it screws in and crush seal circle 20 by axial threaded hole 104, makes it radially swell, thus the space of filling between full packages wall and groove inwall, complete sealing.
Preferably, between squeeze sealing member 31 and seal ring 20, be provided with packing ring, make extruding force more balanced.
Preferably, locating piece 30 and squeeze sealing member are screw.
Preferred further, locating piece 30 is hexagon socket countersunk flat cap head screw, and it is provided with head that is round or point.
With reference to Figure 11, show an embodiment of pipe connecting structure, pipeline 40 is inserted in birdsmouth 101, now seal ring 20 and tube wall are Spielpassung, first tighten squeeze sealing member 31, make seal ring 20 obvolvent tightly on tube wall, then by locating piece 30 radially tapped hole 102 screw in, the inwall of extrusion pipe 40 forms the pressure point 401 of indent, thus carries out fastening to pipeline, prevents 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, like this can the screw-in depth of easy-to-operat personal identification locating piece 30.
Similar, squeeze sealing member 31 is arranged equally, and when seal ring and pipeline are fitted tightly, it can be hidden in birdsmouth 101 completely.
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, convenient and swift.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and 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 the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (8)
1. the pipe joint for fastener for connection, comprise pipe joint body, described pipe joint body has pipeline birdsmouth, it is characterized in that: on described pipeline birdsmouth, be provided with at least one radial screw bore running through the tube wall of pipeline birdsmouth, the end face of described pipeline birdsmouth is axially provided with several axial threaded hole along it, in described pipeline birdsmouth, is provided with the seal ring mounting groove with these several axial threaded hole UNICOMs.
2. pipe joint according to claim 1, is characterized in that: the quantity of described radial screw bore 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 radial screw bore and described axial threaded hole mutually stagger to arrange.
4. 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.
5. for a tube joint assembly for fastener for connection, it is characterized in that, comprising:
Pipe joint described in any one of Claims 1-4;
Seal ring, it is arranged in described seal ring mounting groove;
Locating piece, its can with the radial screw bore screw-thread fit of described pipe joint, thus can screw in this radial screw bore 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;
Squeeze sealing member, its can with the axial threaded hole screw-thread fit of described pipe joint, thus can screw in this axial threaded hole and screw out, and it be when being screwed in tapped hole, have at least a part can exceed the bottom of described axial threaded hole, thus extend in seal ring mounting groove.
6. tube joint assembly according to claim 5, is characterized in that: also have a pad, and it is arranged between described squeeze sealing member and seal ring.
7. the tube joint assembly according to claim 5 or 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 the tube joint assembly described in any one of claim 5 to 7 is connected with by this tube joint assembly, the connecting end of described pipeline is inserted into described pipeline birdsmouth, described seal ring deforms under the squeezing action being screwed into the squeeze sealing member in axial threaded hole, make to be closely cooperated by sealing circle between pipeline and pipeline birdsmouth, described locating piece to be screwed in described radial screw bore and to be squeezed on the outer wall of described pipeline, and described pipeline is deformed at this place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579027.6U CN204141100U (en) | 2014-09-30 | 2014-09-30 | A kind of pipe joint, tube joint assembly and pipe connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579027.6U CN204141100U (en) | 2014-09-30 | 2014-09-30 | A kind of pipe joint, tube joint assembly and pipe connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN204141100U true CN204141100U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579027.6U Active CN204141100U (en) | 2014-09-30 | 2014-09-30 | A kind of pipe joint, tube joint assembly and pipe connecting structure |
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| CN (1) | CN204141100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896223A (en) * | 2015-06-18 | 2015-09-09 | 无锡众扬金属制品有限公司 | Press-fitting stainless steel equal-diameter abutting joint |
| CN107228593A (en) * | 2016-03-25 | 2017-10-03 | 杭州三花家电热管理系统有限公司 | The manufacture method of header, heat exchanger and header |
-
2014
- 2014-09-30 CN CN201420579027.6U patent/CN204141100U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896223A (en) * | 2015-06-18 | 2015-09-09 | 无锡众扬金属制品有限公司 | Press-fitting stainless steel equal-diameter abutting joint |
| CN107228593A (en) * | 2016-03-25 | 2017-10-03 | 杭州三花家电热管理系统有限公司 | The manufacture method of header, heat exchanger and header |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |